Position: Software Developer (iOS) - 1 to 3 years Location - Mumbai Open for candidates from Mumbai only Immediate Joiners only We are looking for an iOS developer (SwiftUI) having 1 to 3 years of experience. You must have experience in delivering at least 3-4 projects on iOS as a part of your work profile. Required Skills (more the better): Native iOS Application Development with Swift, SwiftUI, iOS SDK, Xcode, Cocoa Layer, Media Layer, Core Service Layer, Core OS Layer, iOS Frameworks, iOS Developer Tools, iOS programming, iOS Human Interface. Experience with iOS frameworks such as Core Data, Core Animation, Core Graphics, and Core Text Familiarity with RESTful APIs to connect iOS applications to back-end services. Experience with third-party libraries and APIs (e.g., Firebase, etc.). Deployment/ publishing apps to the Apple App Store. Good to have Skills: Understanding of Objective-C will be an advantage Knowledge of mobile security and secure coding practices. Hybrid mobile application development using Flutter. Additional Skills: Versioning tools such as Git, Bit Bucket, and concepts like branching DevOps: Knowledge of operating systems, hosting and deployment on cloud platforms like Amazon Web Services, Google Cloud, Azure etc. will be added advantage Responsibilities will include: Developing applications for iPhone and iPad Reviewing new releases, SDKs and updates in the mobile space Writing clean, well-designed code Debugging code and fixing bugs Ensuring code quality and security by following industry standards Managing code repositories and deploying builds Contributing to all phases of the development lifecycle Participating in team meetings and client meetings/ calls Learning new technologies Why should you join Big Rattle? Big Rattle Technologies specializes into development of Mobile and Web applications. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for clients from various industries like FMCG, Restaurants, Banking and Finance, Automobiles, Ecommerce, Television and Broadcast Agencies. Big Rattle Technologies Private Limited is ISO27001:2022 certified and CyberGRX certified. Employee Benefits include: 5 days work week Certification Reimbursement Healthcare Coverage Job Type: Full-time Pay: ₹300,000.00 - ₹900,000.00 per year Benefits: Flexible schedule Health insurance Leave encashment Life insurance Provident Fund Work from home Application Question(s): What is your notice period? Are you from Mumbai/Navi Mumbai/Thane? Any experience in design platforms like MVC, MVVM? How many years of total experience do you have in iOS? What is your current CTC? and in hand salary per month What is your expected CTC? and expectation of in hand salary per month Do you have experience using SwiftUI Work Location: In person
As a Software Test Engineer at Big Rattle Technologies Private Limited, you will play a crucial role in ensuring the quality and reliability of web and mobile applications by designing, writing test cases, and running automated tests. You will collaborate with developers, product managers, and other stakeholders to define test strategies, execute test plans, and contribute to the continuous improvement of QA processes. **Key Responsibilities:** - Design, develop, and maintain automation test scripts for web, mobile, and API applications. - Analyze business and technical requirements to create effective test plans and cases. - Collaborate with team members to define test strategies and acceptance criteria. - Prepare and maintain documentation for automation frameworks, test plans, and cases. - Perform various types of testing including manual, automated, unit, integration, functional, regression, load, and security testing. - Conduct thorough API testing to ensure functionality, reliability, performance, and security. - Identify, document, and track bugs using bug-tracking systems. - Run database queries to validate data and support backend testing. - Perform load and performance testing using tools like JMeter or LoadRunner. - Prepare reports on test cases, execution results, and defect causes. - Interact with clients and project leads to understand requirements and provide quality assurance insights. - Run VAPT scans to detect vulnerabilities and contribute to security testing efforts. - Continuously enhance test coverage, speed, and reliability of test suites and QA processes. **Required Qualifications & Skills:** - Bachelor's degree in Computer Science, Engineering, or a related field, OR equivalent practical experience. - 1-2 years of professional experience in software quality assurance and testing. - Hands-on experience in automation testing, including designing, developing, and maintaining automated test scripts. - Proven experience in automated mobile app testing (iOS and Android) and API testing. - Proficiency in automation frameworks and scripting/programming languages (e.g., Selenium, Java). - Knowledge of software test design, testing methodologies, and best practices. - Familiarity with manual & automated testing, unit testing, integration testing, and bug-tracking systems. - Strong communication, critical thinking, and problem-solving skills. **Preferred Qualifications (Bonus Points):** - Experience with load testing tools and security testing/assessment tools. - Familiarity with CI/CD pipelines and performance testing concepts. - ISTQB or other relevant QA certifications. If you are a self-motivated Software Test Engineer with a passion for quality assurance, automation testing, and continuous improvement, we encourage you to apply for this full-time position at Big Rattle Technologies Private Limited. Enjoy working on diverse projects, in a collaborative environment with direct impact on product quality and client satisfaction. **What We Offer:** - Opportunity to work on diverse projects for Fortune 500 clients and various industries. - Dynamic, collaborative, and growth-oriented work environment. - 5-day hybrid work week. - Certification Reimbursement. - Healthcare Coverage. To apply, please send your resume and cover letter to jobs@bigrattle.com with "Software Test Engineer Application" in the subject line.,
Position: Manual Test Engineer (1 - 2 years) Location: Mumbai Company: Big Rattle Technologies Private Limited Open for candidates from Mumbai only. Immediate Joiners only. Summary: We are looking for a detail-oriented Manual Test Engineer responsible for designing, preparing and executing manual test cases to ensure the quality, reliability and performance of software applications developed within the organization. Key Responsibilities: Design, develop, and execute test plans and test cases based on requirements and user stories. Perform various types of manual testing: functional, regression, integration, system, exploratory, usability, and UI. Conduct API testing using tools like Postman and validate responses and data using SQL queries. Identify, log, and track defects using bug-tracking tools (e.g., JIRA, Bugzilla). Collaborate with developers and project leads to clarify requirements and acceptance criteria. Prepare clear test documentation — test cases, defect reports, and execution summaries. Review test cases, verify fixes, and perform re-testing to ensure resolution.Support release cycles and ensure timely completion of testing activities. Continuously improve testing processes and overall test coverage. Exposure to automation tools or willingness to learn automation will be an added advantage. Required Skills (hands-on experience in the following): Hands-on experience in manual testing of web and mobile applications. Strong understanding of SDLC, STLC, and defect life cycle. Experience in writing detailed test cases, test scenarios, and test plans. Familiarity with API testing using tools like Postman. Knowledge of SQL queries to validate backend data. Experience with bug tracking and test management tools such as JIRA or Bugzilla. Good understanding of cross-browser and cross-platform testing. Excellent analytical, problem-solving, and communication skills. Strong attention to detail, organizational, and documentation skills. Basic knowledge of security or performance testing concepts is a plus Required Qualifications: Bachelor’s degree in computer science, Engineering, or related field OR equivalent practical experience. 1–2 years of professional experience in manual software testing. ISTQB or other relevant QA certification. Why should you join Big Rattle? Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients. Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified. What We Offer: Opportunity to work on diverse projects for Fortune 500 clients. Competitive salary and performance-based growth. Dynamic, collaborative, and growth-oriented work environment. Direct impact on product quality and client satisfaction. 5-day hybrid work week. Certification reimbursement. Healthcare coverage. How to Apply: Interested candidates are invited to submit their resume detailing their experience. Please detail out your work experience and the kind of projects you have worked on. Ensure you highlight your contributions and accomplishments to the projects. Send your resume to jobs@bigrattle.com with 'Application for Manual Test Engineer' in the subject line.
Position: Machine Learning Developer (5 years) Location: Remote (Company in Mumbai) Company: Big Rattle Technologies Private Limited Immediate Joiners only. Summary: The ML Developer will design, build, and maintain machine learning models and data pipelines powering core business use cases. The role is hands-on with Python for model development, feature engineering, and pipeline automation, leveraging Azure ML, and Azure DevOps. Success means robust, production-grade models with proven business impact, traceable lineage, and operational excellence at scale. Key Responsibilities: Feature Engineering & Model Development Translate model prototypes from Data Scientists into Azure ML production pipelines, including data ingestion, training, inference, and retraining. Build and iterate on ML models (forecasting/classification/regression) using modern ML frameworks (scikit-learn, XGBoost, LightGBM, PyTorch/TensorFlow). Develop robust feature pipelines (deterministic code, modular definitions, reusability) using Pandas/PySpark and orchestrate in AML Pipelines Jobs. Design experiments with proper sampling, train-test splits, cross-validation, and metrics selection (e.g., RMSE, AUC, MAPE). Implement model selection, champion/challenger promotion, and versioning strategies. Document experiment results for reproducibility and regulatory compliance. Model Operationalization & Monitoring Productionize models as batch or real-time endpoints via Azure ML. Implement model validation gates (drift/shift, prediction distribution checks, champion vs. challenger results). Set up model monitoring dashboards for latency, prediction freshness, data drift, and feature importance tracking. Integrate model deployment/test harnesses with Azure DevOps pipelines for CI/CD. Develop FastAPIs to invoke and consume ML models. Data Engineering & Quality Profile, clean, and transform raw data from Snowflake, SQL, and third-party sources. Implement checks for data quality (nulls, schema validation, outlier handling, time alignment, duplicate detection). Automate feature extraction and maintain feature store consistency. Collaboration & Quality Ops Work with Product, Data, and QA teams to agree on model acceptance criteria and experiment reviews. Contribute to defect taxonomy (data/model/serving), pipeline observability, and SLO dashboards. Publish model performance reports and SLI/SLO summaries for stakeholders. Required Skills (hands-on experience in the following): Advanced proficiency in Python (pandas, NumPy, ML frameworks), SQL, and cloud data tools. Solid experience building production ML pipelines (Azure ML, Databricks, or equivalent). Understanding of model validation, drift detection, and online monitoring. Experience with feature stores, CI/CD (Azure DevOps), and API development (FastAPI/Flask). Required Qualifications: Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field. 5+ years developing data-focused solutions (3+ years in ML modeling and operations). Certification in Azure Data or ML Engineer Associate is a plus. Why should you join Big Rattle? Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients. Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified. What We Offer: Opportunity to work on diverse projects for Fortune 500 clients. Competitive salary and performance-based growth. Dynamic, collaborative, and growth-oriented work environment. Direct impact on product quality and client satisfaction. 5-day hybrid work week. Certification reimbursement. Healthcare coverage. How to Apply: Interested candidates are invited to submit their resume detailing their experience. Please detail out your work experience and the kind of projects you have worked on. Ensure you highlight your contributions and accomplishments to the projects. Send your resume to jobs@bigrattle.com with 'Application for Machine Learning Developer' in the subject line.
Position: Android Developer (1- 4 years) Location: Marol, Andheri East, Mumbai Company: Big Rattle Technologies Private Limited Immediate Joiners only. We are looking for an experienced developer to join our team. You must have 1 to 4 years of work experience in Android and should have delivered at least 3-4 projects. Required Skills (more the better): Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes. Robust experience on native Android development using Kotlin. Good understanding of object-oriented programming Experience with RESTful APIs to connect Android applications to back-end services. Experience on Android Architecture Components – MVVM Architecture Knowledge of Push Notification & amp; cloud-based messaging Proficient understanding of code versioning tools, such as Git Responsibilities will include: Develop native applications for devices based on the Android platform. Evaluate third party IDEs and tools to build relevant applications. Unit test developed code. Conduct code reviews & peer reviews. Establish coding standards. Integrate user interface with code. Prepare necessary documentation. Review updates/patches and make necessary code updates. Required Qualifications: Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field. 1- 4 years in Android Development focused on Kotlin. Why should you join Big Rattle? Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients. Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified. What We Offer: Opportunity to work on diverse projects for Fortune 500 clients. Competitive salary and performance-based growth. Dynamic, collaborative, and growth-oriented work environment. Direct impact on product quality and client satisfaction. 5-day hybrid work week. Certification reimbursement. Healthcare coverage. How to Apply: Interested candidates are invited to submit their resume detailing their experience. Please detail out your work experience and the kind of projects you have worked on. Ensure you highlight your contributions and accomplishments to the projects. Send your resume to jobs@bigrattle.com with 'Application for Android Developer’ in the subject line.
You will be responsible for providing technical support and analysis for AI products at Big Rattle Technologies Private Limited. Your main duties will include tracking, documenting, analyzing, and resolving technical issues, responding to customer queries, and assisting with product-related concerns. Additionally, you will be involved in data analysis, management, and reporting tasks such as collating and maintaining datasets, writing SQL queries, creating dashboards, and ensuring data accuracy. Your role will also require you to accurately label and annotate data as per project guidelines and collaborate with internal teams to improve annotation standards. **Key Responsibilities:** - Track, document, analyse, resolve, and escalate technical issues as needed - Respond to customer queries via email, chat, or support tools within stipulated SLAs - Liaison with IT/ Software development team for issue resolutions - Assist customers with product-related concerns and troubleshoot problems - Create manuals, process flow diagrams, and presentations for training and issue resolution - Collate, clean, validate, and maintain structured and unstructured datasets - Write SQL queries to extract and manipulate data from relational databases - Identify trends, anomalies, and insights through data analysis - Create, maintain, and automate dashboards and performance reports using BI tools - Accurately label and annotate data as per project guidelines - Maintain consistency and quality across annotation tasks - Collaborate with internal teams to improve annotation standards **Required Skills:** - Experience in customer service handling technical support issues - Understanding of customer service metrics - Hands-on experience in Python, R, or data scripting - Proficiency in Excel and SQL - Knowledge of ML/AI concepts - Familiarity with data annotation tools - Strong communication skills - Attention to detail and accuracy - Self-motivated with good time management skills **Required Qualifications:** - Bachelor's degree in Computer Science, Engineering, Statistics, or related discipline - 1-2 years of experience in tech support, product support, or analytics roles Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. They have delivered projects for Fortune 500 companies across various industries. The company is ISO 27001:2022 certified and CyberGRX certified. If you are interested in joining Big Rattle Technologies, you will have the opportunity to work on diverse projects for Fortune 500 clients, competitive salary, a dynamic work environment, and other benefits. To apply, please submit your resume to jobs@bigrattle.com with "Application for Tech Support and Analyst - AI Products" in the subject line. *Benefits:* - Flexible schedule - Health insurance - Leave encashment - Life insurance - Provident Fund - Work from home *Application Question(s):* - What is your notice period - Are you from Mumbai/Navi Mumbai/Thane - What is your current CTC and in-hand salary per month - What is your expected CTC and expectation of in-hand salary per month - Years of work experience in Customer/Client Support - Any experience in image annotation, labeling, and data management - Any experience in tech skills like Power BI, Tableau, or Looker - Do you know how to Write SQL queries - Years of work experience in Technical Support. *Work Location:* In person,
Position: Executive Assistant to Director (0 to 2 years) Location: Marol, Andheri East, Mumbai Company: Big Rattle Technologies Private Limited Open for candidates from Mumbai only Immediate Joiners only We are looking for an Executive Assistant with 0 to 2 years of experience to support the Director. The ideal candidate should be organized, proactive, and comfortable coordinating with internal and external teams and clients. Required Skills (more the better): Strong communication skills (written & verbal). Calendar management, scheduling meetings, and travel coordination. Proficiency in MS Office / Google Workspace (Docs, Sheets, Slides). Ability to prepare meeting notes, presentations, and basic reports. Client communication: emails, scheduling and follow-ups. Documentation, record keeping, and maintaining dashboards. Ability to multitask and manage priorities. Good to have Skills: Experience in supporting senior leadership or sales teams. Understanding of sales processes or client servicing workflows. Work experience in a software development or IT services company. Understanding of CRM and related tools. Additional Skills: Professional attitude, confidentiality, and attention to detail. Strong time-management and organizational abilities. Ability to work in a fast-paced, dynamic environment. Responsibilities will include: Managing the Director’s daily schedule, meetings, and travel. Coordinating with internal teams for updates and follow-ups. Assisting in tracking sales activities, proposals, and client deliverables. Preparing minutes of meetings, presentations, and routine reports. Handling email communication and client coordination on behalf of the Director. Maintaining documentation and dashboards related to sales and client servicing. Supporting administrative tasks to ensure smooth operations. Participating in internal and client calls/meetings. Learning new tools and processes as required. Required Qualifications: Bachelor’s degree in any discipline. Fresher to 2 years of experience in administration, coordination, or similar roles. Why should you join Big Rattle? Big Rattle Technologies is a leading Software Development and Technology Solutions company working with clients across industries, including international brands and enterprise organizations. We specialize in custom software development, AI/ML solutions, mobile and web application development, and digital transformation services. What We Offer: Opportunity to work on diverse projects for Fortune 500 clients. Competitive salary and performance-based growth. Dynamic, collaborative, and growth-oriented work environment. Direct impact on product quality and client satisfaction. 5-day hybrid work week. Certification reimbursement. Healthcare coverage. How to Apply: Interested candidates are invited to submit their resume detailing their academic background and any internship/experience. Highlight your coordination, communication, or administrative work. Send your resume to jobs@bigrattle.com with “Application for Executive Assistant to Director” in the subject line. Job Types: Full-time, Permanent Pay: ₹300,000.00 - ₹500,000.00 per year Benefits: Health insurance Leave encashment Paid time off Provident Fund Work from home Work Location: In person