Principal Engineer

About the job

About the Opportunity Job Type: Permanent

Application Deadline: 25 October 2026

Title: Principal Engineer                       Department: Enterprise Technology Services Location: Gurgaon, India

We’re proud to have been helping our clients build better financial futures for over 50 years. How have we achieved this? By working together - and supporting each other - all over the world. So, join our team and feel like you’re part of something bigger.

About the role We are seeking an experienced Principal Engineer to drive engineering excellence across the Client Experience Platform (CEP). This is a hands-on technical leadership role responsible for shaping scalable, secure, and cloud-native solutions while influencing engineering practices across multiple teams.

Key Responsibilities

- Design, build and deliver core CEP services using Java (Spring Boot/Quarkus) and Python, API’s

- Develop reusable frameworks, libraries, engineering standards and reference implementations adopted across teams.

- Lead CEP's migration from PaaS to Kubernetes, including containerization, deployment patterns and scalability.

- Translate architectural direction into practical engineering solutions, patterns and guardrails.

- Design and evolve REST, GraphQL and event-driven APIs and integrations.

- Drive adoption of Generative AI solutions including LLM integrations, RAG and agentic AI capabilities.

- Define and embed DevSecOps best practices including CI/CD, automated testing, security scanning and Infrastructure as Code.

- Ensure observability, resilience, security and performance are built into solutions from the outset.

- Lead design reviews, code reviews and resolution of complex technical challenges.

- Identify and address technical debt, engineering risks and platform improvement opportunities.

- Mentor senior engineers and elevate engineering capability across the organization.

What We're Looking For

- 12+ years of hands-on software engineering experience with strong technical depth and enterprise-level influence.

- Strong expertise in Java/Spring Boot, microservices, distributed systems and modern software architecture.

- Hands-on experience with AWS, Kubernetes, Docker, Helm and Infrastructure as Code (Terraform preferred).

- Experience leading cloud-native platform modernization or Kubernetes migration initiatives.

- Strong API and integration experience including REST, GraphQL, event-driven architectures, OAuth 2.0 and OIDC.

- Deep understanding of DevSecOps, CI/CD pipelines, GitOps practices, GitHub Actions/Jenkins and Argo CD.

- Experience delivering production-grade GenAI solutions including LLM integration, RAG and conversational or agentic AI applications.

- Proven track record of building reusable engineering frameworks, standards or platform capabilities adopted across multiple teams.

- Strong stakeholder management, mentoring and technical leadership skills. You will consistently ask: Is it aligned with our architecture? Is it secure, resilient and operable? Will it scale? Can we reuse an enterprise capability? Can we simplify or automate it? Can AI materially improve the outcome? And are we building something sustainable for the teams that come after us?

Feel rewarded

For starters, we’ll offer you a comprehensive benefits package. We’ll value your wellbeing and support your development. And we’ll be as flexible as we can about where and when you work – finding a balance that works for all of us. It’s all part of our commitment to making you feel motivated by the work you do and happy to be part of our team. For more about our work, our approach to dynamic working and how you could build your future here, visit careers.fidelityinternational.com.

For more about our work, our approach to dynamic working and how you could build your future here, visit careers.fidelityinternational.com.