Senior Full Stack Web Engineer

FIS India Bangalore; West Bengal; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Flexible, creative work environment

Collaborative atmosphere

Professional and personal development

Volunteer opportunities

Competitive salary and benefits

Job summary

FIS is seeking a Senior Full Stack Web Engineer to design and evolve scalable microservices and REST APIs, and to build React Native applications for iOS and Android. You will also develop native iOS components with Swift and integrate apps with backend services, while participating in reviews, testing, and deployment across environments.

Ideal candidates have 6-12 years of experience, strong Java/Spring Boot background, and hands-on mobile development with React Native and Swift.

Qualifications

• 6-12 years of software development experience.
• Strong hands-on coding 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.

Responsibilities

• 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.

Skills

Java 8+ & Spring Boot

React Native

JavaScript/TypeScript

OAuth2 & JWT

REST API design

Agile/Scrum

Education

Bachelor's degree in Computer Science or equivalent

Tools

Docker

Kubernetes/OpenShift

Git & CI/CD

Job description

Senior Full Stack Web Engineer ( 7 - 10 Years)

FIS is a global leader in financial technology, powering mission-critical systems that help the world pay, bank, and invest. If you’re passionate about advancing the future of fintech and building transformative products used across the money lifecycle, we’d 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 Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

#pridepass