About the Position

Senior Software Engineer (Java, React, AWS)

Location: Nottingham, UK

Employment Type: Full-time

Work Model: Hybrid (3 days office and 2 days WFH)

About the Role

As a Senior Java Software Engineer, you will make an impact by designing and delivering robust, scalable web applications and microservices-based solutions that meet the highest standards of quality, security, and performance. You will be a valued member of our engineering team and work collaboratively with developers, architects, graphic designers, and cross-functional stakeholders to design, launch, and continuously improve innovative digital products.

Responsibilities

Develop and implement tasks and components of projects in line with client requirements, writing zero-defect code and comprehensive unit test cases to ensure first-time-right delivery within defined timelines, security, and performance guidelines.
Design the overall architecture of web applications, applying microservices principles and established design patterns to deliver scalable, maintainable solutions.
Develop and maintain business layer coding, interface development, service development, and stored procedures, raising issues proactively and seeking peer review to continuously improve output quality.
Write and execute unit test cases, capture and resolve defects, and support integration and automation testing throughout development, SIT, UAT, and warranty phases.
Understand, interpret, and clarify both functional and technical requirements; provide effort and timeline estimates for assigned tasks; and support proof-of-concept development with relevant stakeholders.
Identify and highlight potential risks to technical leads in a timely manner; support the integration of components; maintain traceability matrices; and adhere to SCM policies, process tools, and Quality Management System standards.
Collaborate with graphic designers to convert designs into polished visual elements, and contribute to the implementation of security and data protection measures across the application.
Contribute to the development and maintenance of knowledge assets, including user manuals, installation scripts, and online documentation; actively contribute to and reuse assets from the team repository.
Provide ideas for process optimization and value-add initiatives, sharing them with relevant stakeholders while promoting adherence to tools such as Cognizant 2.0 and established IDE standards.
Improve core technical skills on an ongoing basis, keeping pace with evolving technology landscapes including Gen AI tooling, cloud platforms, and DevOps practices.

Requirements

Extensive hands-on experience with Core Java / Java 8 and Spring Boot, with a strong command of object-oriented principles and application architecture.
Good experience with React JS and front-end technologies, including converting design assets into responsive visual elements.
Strong experience with CI/CD pipelines and modern DevOps practices, including version control tools such as GitHub and Jenkins.
Strong knowledge of Microservices architecture and established design patterns, including experience building and consuming RESTful web services.
Strong understanding of API design and security, including data protection implementation.
Good experience with database technologies and API integration, including the ability to develop and maintain stored procedures.
Good working knowledge of cloud platforms (e.g. AWS) and observability practices, including monitoring and performance management.
Good understanding of SRE principles and Agile delivery methodologies, including experience working with tools such as Jira.
Strong verbal and written communication skills, with the ability to engage effectively with technical and non-technical stakeholders.
Good experience with testing practices, including unit testing, code coverage tools, and UI test scripts.
A relevant graduate degree or equivalent practical experience.

Nice to Have

Good experience with Kubernetes for container orchestration in production environments.
Fair knowledge of Apache Kafka for building event-driven, distributed systems.
Familiarity with Gen AI tools such as Claude, with an interest in applying AI-assisted development practices.

We Offer

Competitive compensation and benefits package.
Opportunities for professional growth and career advancement.
A dynamic and inclusive work environment.

About the Company

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 follow us on Twitter.

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, provincial, or local laws.

Benefits that help you thrive and grow

Our benefits program is built with you in mind-so you can enjoy a fulfilling, balanced, and healthy life.

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, counseling, 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 Software Engineer (Java, React, AWS)

Job description