Location: Hyderabad (Onsite) Experience: 7+ Years Employment Type: Full-Time About the Role We are looking for a highly skilled Full Stack Developer with a strong backend focus to join our product development team at Instaresz Business Services Pvt Ltd. The ideal candidate will be an expert in Node.js, RESTful APIs, and Microservices Architecture, with additional experience in Python, Redis, PostgreSQL, and CI/CD pipelines. Key Responsibilities - Design, develop, and maintain scalable Node.js-based backend services - Build and manage RESTful APIs and microservices used across multiple platforms - Implement MVC architecture with well-structured models, controllers, and routes - Develop and optimize database schemas, queries, and stored procedures - Integrate and maintain Redis for caching and real-time data needs - Work on Python-based utilities and integrations - Implement and maintain CI/CD pipelines, primarily using Jenkins - Collaborate with front-end developers and DevOps to ensure seamless delivery - Participate in code reviews, architecture discussions, and performance tuning - Monitor, troubleshoot, and optimize application performance - Maintain high code quality, security, and scalability standards Technical Requirements Core Node.js Expertise - Advanced understanding of Node.js fundamentals including Event Loop, Callbacks, Promises, and async/await - Proficiency in error handling patterns and process management - Strong command of JavaScript/TypeScript best practices Frameworks & Architecture - Expert-level experience with Express.js (or similar frameworks like NextJS,Fastify, NestJS) - Implementation of middleware patterns and lifecycle management - Experience with MVC architectural patterns - Validation libraries implementation (Joi, Zod) - Authentication/Authorization systems (JWT, OAuth2) Database & Caching - Advanced knowledge of PostgreSQL (ACID principles, joins, triggers, stored procedures) - Experience with ORMs like Sequelize, Prisma, or TypeORM - Proficiency with Redis for caching, session management, and pub/sub mechanisms - Query optimization and database performance tuning API Development - RESTful API design and implementation best practices - Experience with WebSockets for real-time communications - Implementation of rate limiting, throttling, and API security measures - API documentation tools and practices Microservices - In-depth understanding of microservices architecture and communication patterns - Domain-Driven Design patterns Testing & Quality Assurance - Unit and Integration testing (Jest, Mocha, Supertest) - Test coverage measurement and mocking techniques - Debugging tools proficiency (Node Inspector, VS Code debugger) - Code quality tools and linting Security - Implementation of OWASP security standards - Secure coding practices against XSS, CSRF, SQL Injection - Data validation and sanitization experience - Implementation of secure headers & cookies DevOps & Deployment - CI/CD pipeline experience (Jenkins, GitHub Actions) - Docker containerization and basic Kubernetes knowledge - Performance profiling and memory leak detection Required Skills & Qualifications - 7+ years of professional experience in full-stack or backend development - Strong hands-on experience with Node.js, Express.js, and modern JavaScript/TypeScript - In-depth understanding of RESTful API design and integration - Proficient in Microservices architecture and messaging patterns - Solid knowledge of Python scripting and backend utilities - Experience with Redis for caching and pub/sub mechanisms - Proficiency in PostgreSQL and writing efficient SQL queries - Hands-on experience with CI/CD pipelines, especially using Jenkins - Familiarity with Docker and containerized deployment - Strong problem-solving skills and ability to work in an agile environment Good to Have - Experience with front-end frameworks (React, Angular, etc.) - Exposure to cloud platforms (AWS, GCP, Azure) - Experience with serverless architectures - Knowledge of event-driven architectures - Performance optimization expertise for high-traffic applications - Experience with GraphQL APIs Why Join Us - Work on impactful, large-scale products in a high-performance tech environment - Collaborate with a talented and passionate team - Competitive salary with performance-based growth - Opportunity to build innovative solutions at scale --- To Apply: Please send your updated resume with relevant experience details to dimple.sharma@nirapad9.com Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less

Job Title: IT Administrator with Networking & Server Administration Location : Hyderabad Experience : 6 months – 2 years Job Type: Paid Internship About Us: Instaresz Business Services Pvt Ltd is a forward-thinking, fast-growing technology company that thrives on innovative solutions. We are currently looking for an experienced IT Administrator who will take responsibility for managing and maintaining the network infrastructure, servers, and systems while ensuring smooth day-to-day IT operations across the organization. Key Responsibilities: Set up, configure, and maintain LAN/WAN networks, routers, switches, firewalls, and VPNs. Administer Windows/Linux servers, Active Directory, DNS, DHCP, and user access controls. Manage software and OS package installations using tools like apt, yum, dnf, and rpm. Monitor and troubleshoot network and system performance issues. Maintain web, file, mail, and database servers (Apache, Nginx, Postfix, MySQL, etc.). Implement and monitor IT security measures including firewalls, antivirus, and access policies. Perform system backups, restore processes, and support disaster recovery plans. Support virtualization platforms (VMware, Hyper-V) and assist with basic cloud infrastructure (AWS, Azure). Automate tasks using PowerShell or Bash scripting. Document IT procedures, configurations, and network diagrams. Required Skills & Qualifications: Proven Experience in IT system administration, networking, and server management. Hands-on Knowledge of networking protocols, IP addressing, subnetting, and VPNs. Experience with network devices such as routers, switches, and firewalls. Proficient in Windows Server (Active Directory, Group Policies, DNS, DHCP) and Linux administration (Ubuntu, CentOS, RHEL). In-depth knowledge of server administration , including web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and mail servers (Postfix, Exchange). Experience with package management tools (apt, yum, dnf, rpm). Familiarity with cloud platforms (AWS, Azure) and virtualization tools (VMware, Hyper-V). Strong understanding of IT security practices , including firewalls, antivirus, VPNs, and access management. Scripting skills for automation (PowerShell, Bash). Excellent problem-solving and troubleshooting abilities. Preferred Certifications: CompTIA Network+ CompTIA Security+ Microsoft Certified: Windows Server / Azure Administrator Cisco Certified Network Associate (CCNA) Red Hat Certified System Administrator (RHCSA) ITIL Foundation (For IT Service Management) Additional Skills (Good to Have): Experience with containerization technologies (Docker, Kubernetes). Knowledge of Version Control Systems (Git). Why Join Us: Competitive salary and performance-based incentives Dynamic and collaborative work environment Opportunities for learning and growth Exposure to cutting-edge technologies and industry trends Show more Show less