Senior Full Stack Developer – 5+ Years Experience

Role Overview

We are looking for a highly skilled Senior Full Stack Developer with strong handson expertise across backend development, frontend engineering, cloudnative architectures, and modern DevOps practices. The ideal candidate is a problem-solver who can design, build, and optimize endtoend solutions, collaborate across teams, and deliver highquality, scalable software. Experience working with AI/LLM integrations is a strong plus.

Key Responsibilities

• Design, develop, and maintain endtoend web applications across backend, frontend, and integration layers.

• Build secure, scalable, and highperformance APIs, microservices, and data workflows.

• Develop responsive, userfriendly frontend components using modern JavaScript frameworks.

• Collaborate with architects, product managers, QA, and DevOps teams to deliver highquality features.

• Write clean, modular, testable code and participate in peer code reviews.

• Troubleshoot production issues, optimize performance, and ensure high system reliability.

• Implement CI/CD pipelines, monitoring, and observability practices.

• Contribute to technical discussions, solutioning, and architectural improvements.

• Stay current with emerging technologies including cloud, DevOps, and AI tooling.

Core Technical Skills

• Backend Engineering - Python, FastAPI, SQL/NoSQL databases, ORM frameworks, API security (OAuth2, JWT, RBAC), Microservices and eventdriven architectures

• Frontend Engineering - React.js, JavaScript/TypeScript, HTML5, CSS3, Bootstrap, Material UI

• Cloud (Azure) -App Services, Functions, Service Bus, Event Grid, Blob Storage, Key Vault, Azure API Management

• DevOps & Observability - Docker, Kubernetes, GitHub Actions (CI/CD pipelines), Application Insights, Prometheus/Grafana

• AI & LLMs (Nice to Have) - Python-based AI workflows, LLM APIs and integration patterns, LangChain, agentic AI concepts

Required Experience

• 7+ years of fullstack software development experience.

• Strong handson experience building cloudnative, distributed applications.

• Solid understanding of software engineering principles, secure coding, and performance optimization.

• Experience working in Agile/Scrum environments.

• Strong debugging, problemsolving, and analytical skills.

Preferred Qualifications

• Experience developing SaaS platforms or enterprisescale systems.

• Understanding of architectural documentation (C4 diagrams, sequence diagrams).

• Exposure to AI/LLMbased solution integration.

• Excellent communication and teamwork skills.

At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar [ and join us to Grow. Own. Achieve. Learn. [ to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.