Available to hire
Hello! I’m Raj Kumar, a results-driven Full Stack Software Engineer and Technical Lead with 5+ years of experience designing, building, and scaling web applications, cloud infrastructure, and DevOps automation. Our team’s work includes reducing server costs by 73% using a multi-cloud architecture and building AI-powered testing frameworks with fully automated CI/CD pipelines.
I’ve managed enterprise clients (TATA, Reliance, Luminous) and delivered API integrations, workflow automation, and payment gateway solutions. I’m passionate about clean energy, fintech, and using AI tools to accelerate engineering velocity and drive measurable business impact.
Skills
Language
English
Fluent
Hindi
Fluent
Work Experience
Technical Lead – Software at Own business
July 1, 2024 - PresentLed the engineering team, owning architecture decisions, sprint planning, and end-to-end delivery of features across the full stack. Reduced monthly server costs by 73% by distributing infrastructure across AWS, DigitalOcean, and Azure in a multi-cloud architecture. Built AI-assisted cloud infrastructure and DevOps pipelines achieving 100% automation of CI/CD, monitoring, self-healing server fixes, automatic RCCA generation, and email notifications. Architected a custom LLM-powered framework for end-to-end UI testing that identifies defects and raises Jira bugs, drastically reducing manual QA. Managed enterprise client relationships and delivered API integrations and workflow automations for TATA, Reliance, Luminous, and other major clients. Set up self-hosted GitLab and DockerHub, CRM workflow automations, and incident handling processes with RCCA. Mentored junior/mid engineers through pair programming and code reviews.
Senior Software Developer at Arka Energy
January 1, 2023 - August 1, 2024Independently owned and delivered medium-to-high complexity features across REST APIs, data pipelines, and customer-facing applications. Built and optimized Docker-containerized microservices deployed on cloud infrastructure, laying the foundation for the multi-cloud migration. Developed CRM integrations and workflow automation tools that streamlined operations for enterprise solar customers. Designed modular, maintainable, and testable code with comprehensive unit and integration test coverage. Partnered with cross-functional stakeholders to troubleshoot production issues and resolve them within SLAs. Explored and adopted AI-powered development tools to improve system efficiency and reduce operational costs.
Full-Stack Developer at Integra Micro Systems Pvt Ltd
December 1, 2021 - January 31, 2023Developed and maintained full-stack web applications using JavaScript, MongoDB, and REST API architectures. Wrote clean, well-documented code and participated in peer code reviews to ensure architectural consistency. Collaborated in an Agile environment with product managers and QA to deliver features on schedule. Increased test coverage and reliability of existing codebases through refactoring and automated testing.
New Product Engineer (Internship) at Kaynes Technology India Pvt Limited
February 1, 2021 - November 1, 2021Contributed to new product development lifecycle from prototyping to testing and deployment. Gained hands-on experience with embedded systems and IoT-based solutions.
Software Engineer (Internship) at K12 Techno Services Pvt. Ltd.
April 1, 2020 - September 1, 2020Developed software modules and assisted in end-to-end feature delivery for education technology products. Built foundational skills in web development, version control, and collaborative software engineering.
Education
Bachelor of Engineering (BE) in Electrical, Electronics and Communications Engineering at R N S Institute of Technology, Bangalore
January 11, 2030 - April 7, 2026Qualifications
Industry Experience
Software & Internet, Energy & Utilities, Financial Services, Professional Services
Skills
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Bengaluru today.