Java Back-end Engineer

Cognizant
Belgium
about 2 months ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours
Job source

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Artificial Intelligence Software Systems Backend Graphql Microservices

Job description

You will work in multidisciplinary teams alongside proposition managers, journey experts, UX/UI designers, data analysts, developers, architects, business analysts, and product owners. Together, you will drive impact end-to-end: from defining the right customer problem to experimenting, building, launching, and continuously improving solutions. We value speed, ownership, and action-turning insights into tangible results without unnecessary delays. Your Role As a Back-end Developer, you are responsible for delivering the core functionalities that power navigation, profiles, and the overall app experience. You ensure that customers can effortlessly find what they need and move intuitively through the app.

You will: Design, build, and maintain robust and scalable back-end services Develop and manage APIs that support navigation, profiles, and core app features Ensure a consistent and future-proof navigation architecture Conduct discovery work to better understand customer needs and technical constraints Collaborate closely with front-end teams, platform engineers, and other stakeholders Contribute to a seamless and intuitive overall app experience by aligning backend capabilities with user journeys Continuously improve systems based on performance data and feedback This is a core back-end engineering role focused on building reliable, scalable systems-not an AI-focused position. Your Profile You are a pragmatic and fast-moving engineer who thrives in a dynamic environment. You know how to balance speed with quality and understand when to reuse existing solutions versus building new ones.

Requirements

5+ years of experience developing complex software solutions in a platform environment Strong experience designing and building scalable microservices and APIs Solid knowledge of Java; experience with GraphQL is a strong plus Proven ability to create flexible, future-proof architectures Strong communication skills and the ability to collaborate across teams A pragmatic mindset with a good sense of when abstraction adds value and when it overcomplicates Comfort working in a fast-paced, high-impact environment

Benefits & conditions

You will be part of a high-performing, autonomous environment with a strong focus on delivery and innovation. We encourage experimentation, ownership, and continuous learning. Collaboration across disciplines is key, and you will have the opportunity to directly influence the digital experience of a new generation of customers. We believe in the power of diversity. By combining different backgrounds, perspectives, and strengths, we make better decisions and build stronger solutions. We foster an inclusive culture where everyone feels welcome and valued. What We Offer (Netherlands) Competitive salary Access to Udemy and Cognizant Academy NS business card 25 paid holidays Laptop and smartphone Pension scheme Technology-driven organization Open team spirit International environment

About the company

Cognizant is a global technology and professional services company that helps organizations modernize technology, reimagine processes, and transform customer experiences at scale. Within our Digital Engineering practice, we design, build, and run cutting-edge digital products powered by cloud, data, and AI. Our teams work at the forefront of innovation, delivering high-impact solutions for leading enterprises across industries, including major financial institutions. As part of this team, you will contribute to the development of next-generation, AI-driven platforms that redefine how users interact with digital services, all within a collaborative and international environment that encourages continuous learning and growth.

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