About the Position

Senior Java Developer

As a Senior Java Developer, you will join an international team building a Content Management System that powers content and metadata for leading video streaming platforms. You'll develop scalable Java applications, APIs, and data services while helping shape the team's technical direction and ensuring high engineering standards.

Beyond feature development, you'll support and improve the reliability, performance, and scalability of core services, solving complex technical challenges and driving continuous improvements. You'll also mentor junior developers, share technical expertise, and foster a collaborative culture focused on learning, innovation, and quality.

Responsibilities

Development of the CMS application components using Java and Spring with focus on both new features and fixes or improvements of existing functionality
Strive for continuous improvement – be able to improve existing practices and techniques from within the team with enthusiasm
Write well-tested code for robustness including edge cases, usability, and general reliability. Focus on non-functional testing as well.
Lead in setting up the CI and CD, monitoring and alerting, and in general improving reliability and robustness of the system
Identify and resolve issues in the codebase. Use debugging tools and techniques to diagnose problems.
Mentor less experienced members of the team
Lead in the maintenance and support of the AWS infrastructure, Kubernetes deployment, PostgreSQL Database, or Kafka
Review code written by peers to ensure adherence to coding standards and best practices.
Work closely with other developers, architects, and stakeholders to understand requirements and deliver solutions.
Participate in daily standup meetings as well as other team ceremonies to discuss progress, blockers, and plans.

Requirements

Strong Java and Spring knowledge and experience with technologies such as AWS, PostgreSQL, Docker, Kubernetes, Kafka, Prometheus, Grafana, Kibana, Jenkins
Good overview of other relevant technologies and experience with designing software solutions
Ability to work well not only in your team but also in a cross-team environment.
Hands-on experience in designing, developing, and successful deployment of web applications, RESTful APIs, or event-driven systems and asynchronous messaging using Kafka
Experience with automated test frameworks including considerations for non-functional requirements
Knowledge of Unix/Linux and scripting languages (Bash, etc.)
Being self-driven and eager to learn and stay updated with the latest technologies, frameworks, and best practices.
Creative thinking skills and analytical skills, with attention to detail.

Additional Eligibility Requirements

Candidates must currently reside in the United Kingdom.
Candidates must be available to start within 3 weeks of receiving an offer.
Ability to work onsite in London, UK, three days per week.

About the Company

Cognizant:

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process, and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes, and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government-issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status, or any other characteristic protected by federal, state, or local laws.

We Offer

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program, and more.

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities to explore new technologies, industries, and locations-and build the skills you need to grow your career.

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your Path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

Step 4: Decision time

Our team will then review each candidate’s potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us-but you can count on us to keep you updated.

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Senior Java Developer

Job description