Headline

Senior Software Engineer @ Capgemini | Java • Spring Boot • Microservices • API Gateway (Kong, Axway) | Kubernetes • Distributed Systems | Backend Engineer

About

I'm a Senior Software Engineer at Capgemini specializing in backend development, API platforms, and production systems using Java and Spring Boot. Over the past 2+ years, I've worked on enterprise platforms involving microservices, API gateway modernization (Axway to Kong), Kubernetes deployments, and production support, helping teams build secure, reliable, and scalable backend services. My experience spans backend development, API infrastructure, production troubleshooting, and CI/CD, giving me a strong understanding of how distributed systems operate in real-world production environments. ⸻ 💻 Technical Expertise Backend Development • Java • Spring Boot • REST APIs • Microservices Architecture • Distributed Systems API & Platform Engineering • Kong API Gateway • Axway API Gateway • JWT & OAuth2 • API Security • API Integrations Cloud & DevOps • Kubernetes • Docker • Azure DevOps • CI/CD Pipelines Engineering Practices • Production Support • Incident Resolution • System Design Fundamentals • SQL • Performance Optimization ⸻ 🚀 What I’m Currently Focused On I’m actively strengthening my Data Structures & Algorithms and System Design skills to grow into SDE / SDE2 / DevOps backend engineering roles. Current learning focus • Advanced DSA • System Design • High-scale backend architectures • Distributed systems ⸻ 💬 I enjoy discussing backend engineering, scalable APIs, distributed systems, and software architecture. Feel free to connect if you're working on interesting Java, Spring Boot, or backend engineering projects. Tech Stack: Java | Spring Boot | REST APIs | Microservices | Kong | Axway | Kubernetes | Docker | Azure DevOps | SQL | CI/CD | API Security | System Design

Location

Bengaluru

AI stack

antigravity

claude code

codex

github copilot

mcp

Work experience

Senior Software Engineer at Capgemini, Jun 2026 - Present · 4 mos, Bengaluru · Hybrid, Leading the migration and modernization of API gateway infrastructure from Axway to Kong across production environments. Designing and developing secure, scalable REST APIs and microservices using Java and Spring Boot, with a focus on driving production stability through incident management, root cause analysis, and continuous service improvements. Key Achievements: • Migrated 4-5 critical gateway policies using a structured policy-validation framework, ensuring configuration parity and significantly reducing production migration risk. • Strengthened CI/CD governance and delivery practices across Azure DevOps environments, influencing backend platform modernization initiatives. TECHNOLOGIES & TOOLS: Java • Spring Boot • REST APIs • Microservices • Kong • Axway • Kubernetes • Docker • Azure DevOps • CI/CD • SQL • JWT • OAuth2 • Git • Linux

Analyst/Software Engineer at Capgemini, Jun 2024 - Jun 2026 · 2 yrs 1 mo, Bengaluru · Hybrid, Managed API gateway configurations, traffic routing, authentication flows, and policy governance for enterprise API platforms. Deployed, monitored, and maintained containerized applications using Docker and Kubernetes, collaborating cross-functionally to streamline release management and continuous delivery. Key Achievements: • Migrated 10+ microservices from Axway to Kong, modernizing API gateway infrastructure across multiple engineering teams with zero disruption to production traffic. • Reduced failed API requests by 15-20% across 5+ engineering teams by optimizing gateway policies and implementing platform-level request validation. • Cut Mean Time to Recovery (MTTR) by ~20% through structured root cause analysis of distributed-system production incidents, strengthening deployment reliability. • Eliminated unauthorized-access incidents by implementing OAuth2 and JWT authentication, establishing a standardized API security framework across critical enterprise services. • Improved deployment reliability by automating and optimizing Azure DevOps CI/CD pipelines, reducing release failures and post-deployment defects. TECHNOLOGIES & TOOLS: Java • Spring Boot • REST APIs • Microservices • Kong API Gateway • Axway API Gateway • Kubernetes • Docker • Azure DevOps • CI/CD • SQL • Git • Linux • Postman • JWT • OAuth2 • Production Support • Distributed Systems

Android Developer Intern at ASPIC Innovations Private Limited, Mar 2023 - May 2023 · 3 mos, Kolkata, West Bengal, India, During my internship at Aspic Innovations Private Limited, I played a key role in enhancing the user experience of a Flutter-based mobile application. I demonstrated my adaptability and dedication to delivering impactful results, as evidenced by the following accomplishments: 1. UI and Performance Optimization: Spearheaded efforts to optimize the application's user interface and overall performance. These enhancements led to measurable improvements in user engagement and received positive feedback. 2. Node.js & Express.js Backend Solutions: Developed Node.js backend solutions, leveraging Express.js for efficient API development, to provide robust support for the Flutter application. 3. Figma UI Design: Crafted visually compelling and intuitive user interfaces using Figma, streamlining user interactions and workflows within the application.

Web Development and Web Designing Intern at Travarsa Private Limited, Jul 2022 - Aug 2022 · 2 mos, Kolkata, West Bengal, India, During my internship at Travarsa Private Limited, I spearheaded the conception and development of Travelaro, my personal project. This initiative was instrumental in showcasing my dedication to innovation and enhancing customer satisfaction within the dynamic landscape of the travel industry. Here are the key features that I meticulously implemented to elevate the user experience: 1. Chatbot Integration: Successfully integrated a responsive chatbot on Travelaro's website, providing users with instant assistance and real-time information on travel inquiries. 2. User-Friendly Forms: Engineered and integrated intuitive forms to streamline the booking process, ensuring a seamless and user-friendly experience for clients exploring Travelaro's enticing travel packages. 3. Advanced Filtering System: Implemented a powerful filtering system, enabling users to easily navigate and select personalized travel packages based on specific criteria, enhancing the overall user experience. 4. Comprehensive Destination Information: Enriched Travelaro's platform with detailed blogs and comprehensive information about various travel destinations, offering users valuable insights for well-informed travel decisions. 5. Responsive Design: Oversaw the optimization efforts to ensure Travelaro's website is responsive and consistent across diverse devices, including desktops, tablets, and smartphones.

Education

Master of Computer Applications - MCA, Information Technology, Amity University Kolkata

Bachelor of Computer Application, Information Technology, University of North bengal

Public links

github: https://github.com/aakashacharjee

aakashacharjee.github.io: https://aakashacharjee.github.io/portfolio