Full Stack Modernization Engineer (Java, Spring Boot & React)

Kyndryl Solutions Private Limited; Bengaluru; Hybrid; INR 1,500,000 - 2,300,000; Full time

Job summary

Kyndryl Solutions Private Limited is seeking a Full Stack Modernization Engineer (Java, Spring Boot & React) to design, build, and modernize high-volume business logic on the mainframe environment. You will refactor legacy code and enable seamless cloud and mobile interaction with core data.

You’ll work across cloud platforms (Azure/AWS/GCP), implement CI/CD pipelines, and apply AI-enabled practices to ensure security and quality.

Qualifications

• Proven full‑stack modernization experience with Java/Spring and React.
• Strong understanding of REST APIs and microservices architecture.
• Hands-on with CI/CD, containerization, and cloud integrations.

Responsibilities

• Design and implement modernized back-end and front-end solutions.
• Develop Java/Spring Boot microservices and React applications.
• Collaborate with cloud, DevOps, and data teams to ensure scalable delivery.

Skills

Java

Spring Boot

React

REST APIs

CI/CD

Docker/Kubernetes

Cloud (Azure/AWS)

Tools

Git

Jenkins

Job description

Full Stack Modernization Engineer (Java, Spring Boot & React)

Who We Are At Kyndryl, we run and reimagine the mission-critical technology systems that drive advantage for the world’s leading businesses. We are at the heart of progress; with proven expertise and a continuous flow of AI-powered insight, enabling smarter decisions, faster innovation, and a lasting competitive edge. For our people-Kyndryls that means doing purposeful work that powers human progress. Join us and experience a flexible, supportive environment where your well-being is prioritized and your potential can thrive.

The Role

Your role Bring your specialist knowledge and experience to a company managing 50% of the world’s MIPS and play a critical role in our modernization mission. You’ll be in good company among our global community of experts leading the future of mainframe modernization. Experts who share knowledge openly and collaborate freely. In this role, you’ll design, build and maintain the high-volume business logic that runs on the mainframe. At the same time you’ll play a key role in refactoring legacy code to enable modern cloud and mobile applications to seamlessly interact with the mainframe’s core data.

What you will do

• Application Modernization: Modernize legacy applications through cloud migration, framework upgrades, API development, and technical debt reduction.
• Java Full Stack Development: Design and develop Java/Spring Boot microservices, REST APIs, and React/React Native applications.
• Cloud & Database Engineering: Deploy and support applications on Azure/AWS/GCP with Oracle/PostgreSQL integration and performance optimization.
• DevOps & Automation: Implement CI/CD pipelines, containerization (Docker/Kubernetes), security controls, monitoring, and deployment automation.
• AI-Enabled Engineering: Leverage AI assistants and agents across the SDLC while ensuring code quality, security, and compliance.
• Delivery Ownership: Manage end-to-end development, testing, deployment, troubleshooting, documentation, and collaboration with cross-functional teams.

Your future at Kyndryl

Every position at Kyndryl offers a way forward to grow your career, from Junior System Administrator to Architect. We have opportunities for Cloud Hyperscalers that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. One of the benefits of Kyndryl is that we work with clients in a variety of industries, from banking to retail. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find yourated with Who You Are You're good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you're open and borderless – naturally inclusive in how you work with others.

Who You Are

You're good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you're open and borderless – naturally inclusive in how you work with others.

Preferred skills and experience

• Experience in enterprise modernization , cloud migration, microservices, API gateways, and managed Kubernetes.
• Exposure to AI-assisted development using tools such as Copilot, Amazon Q, Gemini, LangChain, LangGraph, Semantic Kernel, Azure OpenAI, Bedrock, or Vertex AI.
• Understanding of prompt engineering, agent orchestration, tool calling, grounding, and AI output validation.
• Experience with mobile application releases , multi-cloud environments, automated quality engineering, and database optimization.
• Relevant certifications in Java, Cloud, DevOps, Kubernetes, Agile, or AI technologies.
• Strong analytical, communication, collaboration, problem-solving, and customer-centric mindset.

Being You

The "Kyn" in Kyndryl means kinship, which represents the strong bonds we have with each other, our customers and our communities. We focus on ensuring all Kyndryls feel included and we welcome people of all cultures, backgrounds, and experiences. Even if you don't meet every requirement, we encourage you to apply. We believe in growth, and we're excited to see what you can bring. At Kyndryl, employee feedback has told us that our number one driver of employee engagement is belonging. That sense of belonging - being a valued, respected, trusted member of the team - is fundamental to our culture and fueling great experiences for our customers. That's The Kyndryl Way.

What You Can Expect

Your career with us isn't just a job-it’s an adventure with purpose. We offer a dynamic, hybrid-friendly culture that supports your well-being and empowers you to grow. Our Be Well programs are thoughtfully designed to support your financial, mental, physical, and social health - because we know that when you feel your best, you do your best. From your very first day, you'll dive into impactful work that powers the systems our customers rely on every day. You won't just contribute-you'll make a difference, tackling meaningful projects that sharpen your skills and fuel your growth. We're here to champion your journey. With powerful tools to chart your career path, personalized development goals aligned with your ambitions, and continuous feedback to keep you inspired and on track, you'll have everything you need to thrive and evolve. You'll develop in-demand skills to grow your career and achieve your ambitions with access to cutting-edge learning opportunities—from certifications with Microsoft, Google, and Amazon to coaching and hands-on experiences. And through it all, you'll be part of a culture that values empathy, restless learning, and a devotion to shared success. We want you to thrive here—and we're committed to helping you do just that. Ready to make an impact? Join us and help shape what's next.