37 Pydantic Jobs - Page 2

As a hands-on backend expert, you will be responsible for taking our FastAPI-based platform to the next level by building production-grade model-inference services, agentic AI workflows, and seamless integration with third-party LLMs and NLP tooling. Please note that this role is being hired for one of our client companies, and the company name will be disclosed during the interview process. In this role, you will have the opportunity to work on the following key areas: Core Backend Enhancements: - Build APIs - Harden security with OAuth2/JWT, rate-limiting, SecretManager, and observability with structured logging and tracing - Implement CI/CD, test automation, health checks, and SLO dashboards Awesome UI Interfaces: - Develop UI interfaces using React.js/Next.js, Redact/Context, and various CSS frameworks like Tailwind, MUI, Custom-CSS, and Shadcn LLM & Agentic Services: - Design micro/mini-services to host and route to OpenAI, Anthropic, local HF models, embeddings, and RAG pipelines - Implement autonomous/recursive agents that orchestrate multi-step chains including Tools, Memory, and Planning Model-Inference Infrastructure: - Set up GPU/CPU inference servers behind an API gateway - Optimize throughput with batching, streaming, quantization, and caching using technologies like Redis and pgvector NLP & Data Services: - Own the NLP stack focusing on Transformers for classification, extraction, and embedding generation - Build data pipelines that combine aggregated business metrics with model telemetry for analytics You will be working with the following tech stack: - Python, FastAPI, Starlette, Pydantic - Async SQLAlchemy, Postgres, Alembic, pgvector - Docker, Kubernetes, or ECS/Fargate on AWS or GCP - Redis, RabbitMQ, Celery for jobs and caching - Prometheus, Grafana, OpenTelemetry - HuggingFace Transformers, LangChain, Torch, TensorRT - OpenAI, Anthropic, Azure OpenAI, Cohere APIs - Pytest, GitHub Actions - Terraform or CDK To be successful in this role, you must have: - 3+ years of experience building production Python REST APIs using FastAPI, Flask, or Django-REST - Strong SQL schema design and query optimization skills in Postgres - Deep knowledge of async patterns and concurrency - Hands-on experience with UI applications that integrate with backend APIs - Experience with RAG, LLM/embedding workflows, prompt-engineering, and agent-ops frameworks - Cloud container orchestration experience - Proficiency in CI/CD pipelines and infrastructure-as-code Nice-to-have experience includes familiarity with streaming protocols, NGINX Ingress, RBAC, multi-tenant SaaS security, data privacy, event-sourced data models, and more. This role is crucial as our products are live and evolving rapidly. You will have the opportunity to own systems end-to-end, scale AI services, work closely with the founder, and shape the future of our platform. If you are seeking meaningful ownership and enjoy working on challenging, forward-looking problems, this role is perfect for you.,

You are seeking a hands-on backend expert to elevate your FastAPI-based platform to the next level by developing production-grade model-inference services, agentic AI workflows, and seamless integration with third-party LLMs and NLP tooling. In this role, you will be responsible for various key areas: 1. Core Backend Enhancements: - Building APIs - Strengthening security with OAuth2/JWT, rate-limiting, SecretManager, and enhancing observability through structured logging and tracing - Adding CI/CD, test automation, health checks, and SLO dashboards 2. Awesome UI Interfaces: - Developing UI interfaces using React.js/Next.js, Redact/Context, and various CSS frameworks like Tailwind, MUI, Custom-CSS, and Shadcn 3. LLM & Agentic Services: - Designing micro/mini-services to host and route to platforms such as OpenAI, Anthropic, local HF models, embeddings & RAG pipelines - Implementing autonomous/recursive agents that orchestrate multi-step chains for Tools, Memory, and Planning 4. Model-Inference Infrastructure: - Setting up GPU/CPU inference servers behind an API gateway - Optimizing throughput with techniques like batching, streaming, quantization, and caching using tools like Redis and pgvector 5. NLP & Data Services: - Managing the NLP stack with Transformers for classification, extraction, and embedding generation - Building data pipelines to combine aggregated business metrics with model telemetry for analytics You will be working with a tech stack that includes Python, FastAPI, Starlette, Pydantic, Async SQLAlchemy, Postgres, Docker, Kubernetes, AWS/GCP, Redis, RabbitMQ, Celery, Prometheus, Grafana, OpenTelemetry, and more. Experience in building production Python REST APIs, SQL schema design in Postgres, async patterns & concurrency, UI application development, RAG, LLM/embedding workflows, cloud container orchestration, and CI/CD pipelines is essential for this role. Additionally, experience with streaming protocols, NGINX Ingress, SaaS security hardening, data privacy, event-sourced data models, and other related technologies would be advantageous. This role offers the opportunity to work on evolving products, tackle real challenges, and lead the scaling of AI services while working closely with the founder to shape the future of the platform. If you are looking for meaningful ownership and the chance to solve forward-looking problems, this role could be the right fit for you.,

As a Full Stack Developer at our company, you will be utilizing your expertise in the MERN stack (MongoDB, Postgres, Express.js, React (NextJS), Node.js, Python, Fast API) to design, develop, test, and deploy web applications. Your responsibilities will include collaborating with cross-functional teams to deliver high-quality software solutions that align with business requirements. You will be working on developing server-side applications and APIs using Node.js and Express.js while integrating them with MongoDB and other databases. Additionally, you will be tasked with creating client-side applications using React and optimizing database performance for web applications. Your role will involve writing clean and efficient code, conducting code reviews, troubleshooting software defects, and staying updated with the latest trends in web development. To qualify for this position, you should hold a Bachelor's degree in Computer Science or a related field and possess at least 5 years of experience as a Full Stack Developer with proficiency in the MERN stack. Strong knowledge of front-end technologies like HTML5, CSS3, JavaScript, React, and back-end technologies such as Node.js, Express.js, along with experience in RESTful APIs and version control systems is required. Preferred qualifications include experience with JavaScript libraries like Redux, GraphQL, Next.js, and familiarity with cloud platforms such as AWS, Azure, or Google Cloud Platform. Knowledge of containerization technologies like Docker and Kubernetes, DevOps practices, UI/UX design principles, and security best practices will be advantageous for this role. If you are someone with strong problem-solving skills, excellent communication abilities, and the flexibility to adapt to changing requirements in a fast-paced environment, we encourage you to apply for this position and become a valuable part of our agile development team.,

Role Senior Python Software Engineer Experience 7+ Years CTC – 25 LPA Shift Timings - US Shift (6PM - 3AM) Skills – Strong hands-on experience in Python3 application development, deployment & maintenance. Must have experience with FastAPI, Pydantic, SQLAlchemy, Pandas, and messaging queues like Celery, Kafka, or RabbitMQ. Should have worked in a Linux/Unix environment with good scripting and troubleshooting skills. Expertise in building scalable, high-performance, and secure applications. Strong in unit testing, integration testing, and CI/CD practices. Good knowledge of version control, Python packaging tools (Poetry, setuptools), and automation. Must be a self-starter with the ability to set up Python environments from scratch. Excellent debugging, analytical, and problem-solving skills. Bachelor’s degree in computer science, Engineering, or equivalent practical experience. Preferred background – Experience publishing packages to PyPI/private repositories. Comfortable compiling Python from source when needed. Familiarity with GitHub Actions or Bitbucket Pipelines. Certifications like AWS/GCP or open-source contributions are a plus.

Lead the design, development, and deployment of applications using microservice architecture. Develop and maintain FastAPI-based backend services with high performance and scalability. Implement best practices in logging, monitoring, health checks, scalability, resilience, service discovery, API gateways, and error handling. Ensure code quality, security, and performance optimization. Work with containerization technologies like Docker and Kubernetes for application deployment. Collaborate with cross-functional teams to define, design, and ship new features. Establish and manage CI/CD pipelines for seamless application deployment. Implement best practices for API design, development, and security. Set up and maintain monitoring and logging tools (e.g., Prometheus, Grafana). Ensure adherence to version control systems (e.g., Git) and collaborative workflo ws. What do we need from you Proven experience in leading technical teams and developing applications using microservice architecture. Strong proficiency in Python and FastAPI. Deep understanding of Pydantic for data validation in FastAPI. Experience with containerization (Docker, Kubernetes). Familiarity with CI/CD pipelines and automation tools. Knowledge of API design and implementation best practices. Experience working with monitoring and logging tools (e.g., Prometheus, Grafana). Strong understanding of security best practices in microservices-based applications. What do you get in return Competitive Salary: Your skills and contributions are highly valued here, and we make sure your salary reflects that, rewarding you fairly for the knowledge and experience you bring to the table. Dynamic Career Growth: Our vibrant environment offers you the opportunity to grow rapidly, providing the right tools, mentorship, and experiences to fast-track your career. Ide a Tanks: Innovation lives here. Our Idea Tanks are your playground to pitch, experiment, and collaborate on ideas that can shape the future Growt h Chats: Dive into our casual Growth Chats where you can learn from the best whether it's over lunch or during a laid-back session with peers, it's the perfect space to grow your skills. Snac k Zone: Stay fueled and inspired! In our Snack Zone, you'll find a variety of snacks to keep your energy high and ideas flowing Recognition & Rewards: We believe great work deserves to be recognized. Expect regular Hive-Fives, shoutouts and the chance to see your ideas come to life as part of our reward program . Fuel Your Growth Journey with Certific a tions: Were all about your growth groove! Level up your skills with our support as we cover the cost of your certifi c ations. Seniority Level Mid-Senior level

What you'll do Greetings from Data Security Council of India...!! The Data Security Council of India (DSCI) is a not-for-profit, industry body for data protection in India, setup by nasscom committed to making cyberspace safe, secure, and trustworthy by establishing cybersecurity best practices, standards, and initiatives in cyber security and privacy. DSCI engages with governments, regulators, industry sectors, and think tanks on policy advocacy, thought leadership, capacity building, and outreach initiatives. For more information, visit: www.dsci.in. We are seeking a dynamic and technically proficient AI/ML Engineer to support our AI/ML R&D initiatives in cybersecurity and take ownership of TechSagar.in a knowledge repository for India's emerging technology capabilities. The ideal candidate will possess hands-on experience in generative AI, emerging technologies, and product management. This is a hybrid role combining deep technical development with stakeholder engagement and platform evangelism. Role & responsibilities : AI/ML & Cybersecurity Innovation Support R&D efforts to prototype generative AI models for real-time threat detection and cybersecurity. Design, develop, and deploy machine learning models tailored to cyber threat intelligence and anomaly detection. Research and implement novel AI approaches, including multi-agent and reasoning-based systems. Develop distributed security monitoring frameworks using tools like AutoGen , CrewAI , etc. Build LLM-powered threat analysis tools using LangChain , LlamaIndex , and integrate with enterprise infrastructure. Apply MLOps best practices for model deployment, performance monitoring, and continuous integration. Optimize vector stores (Qdrant, FAISS, Pinecone, etc.) for RAG-based systems. Create synthetic datasets for AI training and model evaluation. Use Pydantic for data validation within AI pipelines. TechSagar Product Responsibilities Manage and evolve the TechSagar.in platformenhancing features, ensuring data integrity, and driving usage. Liaise with tech partners, government bodies, startups, and academia to enrich platform content. Strategize and execute industry engagement plans to market TechSagar and establish its relevance. Represent TechSagar in external forums, conferences, and industry meetings. Collect user feedback, define product roadmap, and ensure alignment with AI/ML advancements. Required Qualifications: Bachelors or Masters degree in Computer Science, Artificial Intelligence, or related field. 12 years of hands-on experience in AI/ML model development and deployment. Strong programming expertise in Python . Familiarity with LangChain , LlamaIndex , and large language models (LLMs). Experience in applying AI to cybersecurity or vulnerability analysis. Good understanding of machine learning algorithms, data pipelines, and model evaluation. Excellent communication skills for technical and stakeholder engagement Preferred Skills: Exposure to generative AI , LLMs, and chain-of-thought reasoning techniques. Working knowledge of MLOps tools such as MLflow , Docker , etc. Familiarity with FastAPI or Flask for API development. Ability to preprocess, clean, and analyze large datasets efficiently. Experience in integrating AI tools with legacy or existing security systems. Technologies & Frameworks: LLM Frameworks: LangChain, LlamaIndex Multi-agent Systems: AutoGen, CrewAI Vector Databases: FAISS, Pinecone, Qdrant, Elasticsearch, AstraDB MLOps Tools: MLflow, Docker Programming & APIs: Python, FastAPI/Flask Data Validation: Pydantic Why Join Us? Be at the forefront of AI innovation in cybersecurity and national technology initiatives. Lead and shape a strategic tech product (TechSagar) with national impact. Collaborate with thought leaders in the AI, cybersecurity, and emerging tech ecosystem.

Skills -Pydantic, Python, SQl, Fast API Mail your resume with salary details: current CTC: Expected CTC: Notice Period: cynthia.s@noblq.com whatsapp -9677090220

We are looking for a Senior Python Software Engineer with at least 5 years of hands-on experience in developing and maintaining Python-based applications. The ideal candidate is a problem solver who thrives in a fast-paced environment and is passionate about building scalable, high-performance, and secure software solutions. In this role, you will work closely with cross-functional teams, contributing to the design, development, and optimization of our internal systems. Your expertise will help shape our technical landscape while ensuring best practices in code quality, testing, and maintainability . Key Responsibilities: Develop and maintain a variety of internal software applications using Python and related technologies. Collaborate with cross-functional teams to design, develop, and implement new features and enhancements. Ensure software solutions meet standards for scalability, performance, and security. Write clean, efficient, and well-documented code that satisfies project requirements. Participate in code reviews, providing and receiving feedback to improve overall code quality. Debug, troubleshoot, and resolve software defects and technical issues in a timely manner. Follow agile development methodologies, participating in sprint planning, daily stand-ups, and retrospectives. Continuously improve technical skills and stay current with industry best practices and emerging technologies. Conduct comprehensive unit and integration testing to ensure code quality and reliability. Assist in the deployment of applications and provide ongoing maintenance of production environments to ensure smooth operations. Required Skills & Experience : At least 5 years of continuous, professional experience as a Python3 Software Engineer, developing, deploying, and maintaining production-grade applications. Minimum 3 years of hands-on experience with at least 4 of the following Python frameworks, libraries, and tools: FastAPI, Pydantic, SQLAlchemy, Pandas, and messaging queues (e.g., Celery, Kafka, RabbitMQ). Minimum 3 years of experience working in a Linux/Unix environment with expertise in system navigation, scripting, and troubleshooting. Deep understanding of best practices for building scalable, high-performance, and secure software solutions. Strong analytical, problem-solving, and debugging skills with a proven ability to diagnose and resolve complex issues efficiently. Demonstrated commitment to continuous learning, innovation, and enhancing both individual and team performance Extensive experience with unit and integration testing. Proven expertise in designing, implementing, and maintaining robust unit and integration tests to ensure software reliability and quality. Ability to troubleshoot and resolve dependency conflicts, versioning issues, and environment inconsistencies. Self-starter with the ability to independently set up a complete Python development environment from scratch. Proven ability to collaborate effectively with cross-functional teams to drive projects forward and deliver high-quality solutions. Bachelors degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Preferred Qualifications: 1+ years of experience with Python packaging using setuptools, Poetry, or related tools. Familiarity with publishing Python packages to PyPI or private repositories. Experience automating package builds and releases (e.g., GitHub Actions, Bitbucket Pipelines, CI/CD). Strong ability to diagnose and resolve dependency conflicts, versioning issues, and environment inconsistencies to ensure seamless development and deployment workflows Experience designing and configuring Python-based stacks, including FastAPI , Pydantic, SQLAlchemy, Pandas, Celery and other relevant libraries. Comfortable compiling and installing Python from source when necessary. Bachelors degree in Computer Science, Engineering, or a related field, or equivalent experience Commitment to Continuous Learning: Proven commitment to continuous learning, staying ahead of industry trends, and driving innovation by adopting emerging technologies, optimizing best practices, and applying creative problem-solving to real-world challenges. This includes actively exploring advancements in software development, contributing to open-source projects, obtaining relevant certifications, or implementing innovative solutions to improve efficiency and scalability." Examples: Staying current with Python ecosystem updates (e.g., migrating to FastAPI for better performance and async capabilities). Contributing to open-source projects or engaging with developer communities. Earning industry certifications (e.g., AWS Certified Solutions Architect, Google Cloud Professional Developer). Implementing automation to streamline CI/CD pipelines and enhance deployment efficiency. Researching and adopting best practices for security and performance optimizations in production environments. This role provides an excellent opportunity for growth and offers exposure to a broad range of software development challenges. If you are passionate about coding and working in a collaborative, agile environment, we'd love to hear from you!

S&P Global Dow Jones Indices The Role : Senior Lead Development Engineer Python S&P Dow Jones Indices a global leader in providing investable and benchmark indices to the financial markets, is looking for a Senior Lead Development Engineer to join our technology team. The Team :You will be part of global technology team comprising of Dev, QA and BA teams and will be responsible for analysis, design, development and testing. Responsibilities and Impact : You will be working on one of the key systems that is responsible for calculating re-balancing weights and asset selections for S&P indices. Ultimately, the output of this team is used to maintain some of the most recognized and important investable assets globally. Design and development of Python applications deployed to AWS cloud services. Interface with UI application(s), RESTful interfaces, and diagnose issues. Coding, Documentation, Testing, Debugging, Documentation and level 3 support. Taking ownership of code modules and leading code review processes. Work directly with stakeholders and technical architect to formalize/document requirements for both supporting existing application as well as new initiatives. Perform Application & System Performance tuning and troubleshoot performance issues. Define and refine task definition, delegate tasks to team, and conduct code reviews / pull requests. Supervising and mentoring less experienced team member. Whats in it for you : This is an opportunity to work on a team of highly talented and motivated engineers at a highly respected company. You will work on new development as well as enhancements to existing functionality. What Were Looking For: Basic Qualifications : 10 - 12 years of IT experience in application development and support. Bachelor's degree in Computer Science, Information Systems, Engineering or, or in lieu, a demonstrated equivalence in work experience. Expert in modern Python 3.10 and late (minimum 5 years dedicated Python experience). Expertise in related Python libraries including Pandas, Numpy, Pydantic Experience with developing, troubleshooting distributable Python libraries. Backend services development including distributed libraries and packages in Python. Experience with AWS and cloud services including SQL databases, particularly PostgreSQL. Experience with DevOps and CI/CD processes (Jenkins, GitHub actions, etc.). Experience with software testing (unit testing, integration testing, test driven development). Strong Work Ethic, Communication and Thoughtfulness Additional Preferred Qualifications : Strong mathematics stills and understanding of financial markets (stocks, funds, indices, etc.) Algorithm development or rules engine experience is helpful. Demonstrated ability to solve complex, highly detailed business problems through software engineering skills (not just a coder / scripter but can work on system-wide problems). Basic understanding of creating calculation services that are consumed in a cloud environment over RESTful API. Prior ETL (Extract Transform Load) experience is helpful, but candidates should first be an experienced software engineer, and second very strong at analyzing data.

Responsibilities and Impact : You will be working on one of the key systems that is responsible for calculating re-balancing weights and asset selections for S&P indices. Ultimately, the output of this team is used to maintain some of the most recognized and important investable assets globally. Design and development of RESTful web services and with closely with UI developers Interfacing with various AWS infrastructure and services, deploying to Docker environment. Coding, Documentation, Testing, Debugging, Documentation and tier-3 support. Taking ownership of code modules and leading code review processes. Work directly with stakeholders and technical architect to formalize/document requirements for both supporting existing application as well as new initiatives. Perform Application & System Performance tuning and troubleshoot performance issues. Define and refine agile stories and task, delegate to team, conduct code reviews / pull requests. Coordinately closely with the QA team and the scrum master to optimize team velocity and task flow. Helps establish and maintain technical standards via code reviews and pull requests Whats in it for you : This is an opportunity to work on a team of highly talented and motivated engineers at a highly respected company. You will work on new development as well as enhancements to existing functionality. You will use your full range of skills as a full stack developer. What Were Looking For: Basic Qualifications : 10 - 15 years of IT experience in application development and support. Bachelor's degree in Computer Science, Information Systems, Engineering or, or in lieu, a demonstrated equivalence in work experience. Expert in modern Python 3.10+ (minimum 5 years dedicated, recent Python experience). AWS services experience including API Gateway, ECS / Docker, DynamoDB, S3, Kafka, SQS. SQL database experience including proficiency on Postgres. Python libraries experience including Pandas, Numpy, Pydantic, SQLAlchemy. Demonstrated experience at creating RESTful endpoints in Python (Flask, FastAPI, Sanic). JavaScript and UI development experience including one of the following: (Vue 3, React, Angular) REST API testing experience with Postman or Bruno. Strong CI/CD build process experience using Jenkins. Backend services development including distributed libraries and packages in Python. Experience with software testing (unit testing, integration testing, test driven development). Strong Work Ethic, Communication and Thoughtfulness Additional Preferred Qualifications: Good understanding of financial markets and investing (stocks, funds, indices, etc.) Experience working in mission-critical enterprise organizations A passion for creating high quality code and broad unit test coverage. Ability to understand complex business problems, break into smaller executable parts, and delegate.

S&P Global Dow Jones Indices The Role : Senior Lead Development Engineer Python S&P Dow Jones Indices a global leader in providing investable and benchmark indices to the financial markets, is looking for a Senior Lead Development Engineer to join our technology team. The Team : You will be part of global technology team comprising of Dev, QA and BA teams and will be responsible for analysis, design, development and testing. Responsibilities and Impact : You will be working on one of the key systems that is responsible for calculating re-balancing weights and asset selections for S&P indices. Ultimately, the output of this team is used to maintain some of the most recognized and important investable assets globally. Design and development of Python applications deployed to AWS cloud services. Interface with UI application(s), RESTful interfaces, and diagnose issues. Coding, Documentation, Testing, Debugging, Documentation and level 3 support. Taking ownership of code modules and leading code review processes. Work directly with stakeholders and technical architect to formalize/document requirements for both supporting existing application as well as new initiatives. Perform Application & System Performance tuning and troubleshoot performance issues. Define and refine task definition, delegate tasks to team, and conduct code reviews / pull requests. Supervising and mentoring less experienced team member. Whats in it for you : This is an opportunity to work on a team of highly talented and motivated engineers at a highly respected company. You will work on new development as well as enhancements to existing functionality. What Were Looking For : Basic Qualifications : 10 - 12 years of IT experience in application development and support. Bachelor's degree in Computer Science, Information Systems, Engineering or, or in lieu, a demonstrated equivalence in work experience. Expert in modern Python 3.10 and late (minimum 5 years dedicated Python experience). Expertise in related Python libraries including Pandas, Numpy, Pydantic Experience with developing, troubleshooting distributable Python libraries. Backend services development including distributed libraries and packages in Python. Experience with AWS and cloud services including SQL databases, particularly PostgreSQL. Experience with DevOps and CI/CD processes (Jenkins, GitHub actions, etc.). Experience with software testing (unit testing, integration testing, test driven development). Strong Work Ethic, Communication and Thoughtfulness Additional Preferred Qualifications : Strong mathematics stills and understanding of financial markets (stocks, funds, indices, etc.) Algorithm development or rules engine experience is helpful. Demonstrated ability to solve complex, highly detailed business problems through software engineering skills (not just a coder / scripter but can work on system-wide problems). Basic understanding of creating calculation services that are consumed in a cloud environment over RESTful API. Prior ETL (Extract Transform Load) experience is helpful, but candidates should first be an experienced software engineer, and second very strong at analyzing data.

IMPORTANT NOTE- 1. Only "Work From Office" criteria for all the employees. NO Hybrid/ Remote working will be allowed. 2. Outstation candidates are NOT eligible to apply. Only looking for candidates who are currently in Chennai OR Kochi. 3. Notice Period should not be more than 60 Days. Hiring for- Leading IT Client Location - Chennai and Kochi (according to current location of candidate) Role - Python Fullstack Developer Salary - 30% hike on current fixed CTC (no hike will be given on a counter offer) Availability to join - Immediate to within 60 Days WORK FROM OFFICE (NO remote/ hybrid working policies) Your responsibilities will include: Understanding and translating customer requirements to technical specifications Modeling REST APIs and writing effective and scalable Python codes Designing and implementing robust & highly available secure applications Debugging applications to ensure low-latency and high-availability Integrating user-facing elements with server-side logic Implementing security and data protection Accommodating various data storage solutions. Key Requirements- Degree in Computer Science, Engineering, or a related field (MANDATORY) 1 year to 4.5 years of experience as a Python Web Developer (MANDATORY) Good Knowledge in Django, Flask or similar Python web frameworks would be preferable. Knowledge in REST APIs would be preferable Familiarity with front-end technologies, such as JavaScript, HTML5, and CSS3 Experience with Postgres database Hands on in web servers like Fast API/Starlette/SQL Alchemy/Pydantic Knowledge of ORM (Object Relational Mapper)