Senior Full Stack Web Engineer

FIS; Chennai; On-site; INR 1,800,000 - 2,800,000; Full time

Benefits offered by this job

Flexible career growth

Professional development resources

Collaborative team culture

Job summary

FIS is seeking a Senior Full Stack Web Engineer to design scalable microservices and REST APIs, build React Native apps for iOS/Android, and develop native iOS components with Swift. You will integrate mobile front-ends with backend services and work across Dev, SIT, UAT, and Production environments.

Ideal candidates have 6–12 years of software development experience, strong Java/Spring Boot and mobile skills, and hands-on experience with OAuth2/JWT security, databases, and DevOps pipelines.

Qualifications

• 6-12 years of software development experience required.
• Strong hands-on coding across backend and mobile technologies.
• Experience delivering enterprise applications end-to-end.
• Good communication, ownership, and stakeholder management.

Responsibilities

• Design and develop scalable Microservices and REST APIs.
• Build and maintain React Native apps for iOS and Android.
• Develop native iOS components using Swift.
• Integrate mobile apps with backend services and third-party APIs.
• Participate in design reviews, testing, and performance optimization.
• Deploy and support applications across Dev, SIT, UAT, and Production.
• Troubleshoot production issues with cross-functional teams.

Skills

Java 8+ & Spring Boot

React Native

JavaScript/TypeScript

REST APIs / Microservices

OAuth2 / JWT

SDKs / iOS Swift basics

CI/CD / DevOps

PostgreSQL / Oracle

Docker / Kubernetes

Agile/Scrum

Tools

Docker

Kubernetes

OpenShift

Git

CI/CD pipelines

Job description

Senior Full Stack Web Engineer ( 7 - 10 Years)

FIS is a global leader in financial technology, powering missioncritical systems that help the world pay, bank, and invest. If youre passionate about advancing the future of fintech and building transformative products used across the money lifecycle, wed like to ask you: Are you FIS

What you will be doing:

• Design and develop scalable Microservices and REST APIs.
• Build and maintain React Native applications for iOS and Android.
• Develop native iOS components and integrations using Swift.
• Integrate mobile applications with backend services and third-party APIs.
• Participate in solution design, code reviews, testing, and performance optimization.
• Deploy and support applications across Dev, SIT, UAT, and Production environments.
• Troubleshoot production issues and collaborate with Product, QA, DevOps, and UX teams.

What you will need:

• 6 - 12 years of overall software development experience.
• Strong hands-on coding capability across backend and mobile technologies.
• Experience delivering enterprise applications from development through production support.
• Good communication, ownership, stakeholder management, and team collaboration skills
• Java 8+ and Spring Boot; Microservices architecture and REST API development
• React Native, JavaScript/TypeScript, Redux or equivalent state management
• Native iOS development using Swift, Xcode, and iOS SDK
• API security using OAuth2 and JWT
• Oracle or PostgreSQL
• Docker, Kubernetes or OpenShift; Git and CI/CD pipelines
• Agile/Scrum delivery practices

Added bonus if you have:

• Experience with Kafka or event-driven architecture.
• Banking, Financial Services, Digital Banking, or FinTech domain exposure.
• Cloud experience with Azure or AWS.
• Mobile application publishing and production-support experience.
• Automated testing exposure using Jest, Appium, or XCTest.

What we offer you:

At FIS, you can learn, grow and make an impact in your career. Our benefits include:

• Flexible and creative work environment
• Diverse and collaborative atmosphere
• Professional and personal development resources
• Opportunities to volunteer and support charities
• Competitive salary and benefits

Privacy Statement

FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.

Sourcing Model

#pridepass