Backend developer - Senior

As a Senior Java Backend Engineer, you will design, develop, and maintain secure, scalable microservices and APIs supporting complex financial platforms. Working with technologies such as Java, Spring Boot, Kafka, Docker, and Kubernetes, you will collaborate with cross-functional teams to deliver high-quality solutions while leveraging AI-assisted development tools to improve productivity, code quality, and operational efficiency. This role is ideal for an experienced engineer with strong expertise in distributed systems, event-driven architectures, and modern software engineering practices.

Responsibilities

• Analyze business and system requirements and design robust backend solutions aligned with functional and non-functional needs (performance, security, scalability, resilience, observability)
• Design, develop, and maintain microservices-based applications using Java and Spring framework
• Develop high-quality, reusable, and maintainable code in line with Zensar and client engineering standards
• Actively leverage AI tools (e.g., GitHub Copilot, AI agents) to accelerate development, improve code quality, and optimize workflows
• Build and enhance both business logic and platform capabilities within the product landscape
• Implement secure and scalable RESTful APIs, following industry best practices (JWT, API security)
• Work on complex algorithmic calculations and data processing used in financial systems
• Perform code reviews, enforce coding standards, and contribute to knowledge sharing within the team
• Collaborate with cross-functional teams (product, QA, DevOps, architecture) in an agile environment
• Contribute to CI/CD pipelines and support containerized deployments (Kubernetes)
• Participate in demos and stakeholder presentations to showcase new features and capabilities
• Ensure application observability through logging, monitoring, and tracing

Qualifications

Required Skills & Experience:

• 7+ years of experience in backend development using Java
• Bachelor’s/master’s degree in computer science or related field
   

Strong expertise in:

• Spring Framework (Spring Boot, Spring Cloud)
• Microservices architecture and distributed systems
• Event-driven systems (Kafka)

Solid experience in:

• REST API design and development
• API security (JWT, authentication/authorization mechanisms)
• SQL and performance tuning

Hands-on experience with:

• Containerization and orchestration (Docker, Kubernetes)
• CI/CD tools and DevOps practices
• Good understanding of observability (logging, monitoring, tracing tools)
• Strong knowledge of software design patterns, engineering best practices, and coding standards
• Experience working with AI-assisted development tools and integrating AI in SDLC
• Excellent problem-solving, analytical, and debugging skills

Soft Skills:

• Strong communication and presentation skills
• Collaborative mindset with ability to work across global teams
• Proactive, ownership-driven approach
• Ability to work in fast-paced, delivery-focused environments

Nice-to-Have:

• Experience in financial services or capital markets domain
• Exposure to cloud platforms (Azure/AWS/GCP)
• Understanding of high-availability and resilience patterns

About UsAt 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.