Senior Software Engineer - Java, AWS & Microservices
Location: Bournemouth, UK
Employment Type: Full-time
Work Model: On-site
Job Summary
We are seeking a highly skilled Senior Software Engineer with strong expertise in Java and cloud-native application development. The successful candidate will play a key role in designing, developing, and maintaining scalable, secure, and high-performing applications within a modern microservices architecture.
You will collaborate with architects, product owners, and engineering teams to deliver innovative technology solutions while applying software engineering best practices throughout the development lifecycle. This role offers opportunities to leverage emerging technologies, including AI-assisted development tools and cloud-native platforms, in a collaborative and fast-paced environment.
Required Skills & Experience
Backend Development
- Strong hands-on experience with Java 21+ and the Spring ecosystem (Spring Boot, Spring MVC).
- Solid understanding of microservices architecture and distributed systems.
- Experience designing and developing RESTful APIs and enterprise applications.
- Strong proficiency in SQL, database design, and data modeling.
- Experience developing and supporting middleware and integration services.
Cloud & Architecture
- Experience building and deploying cloud-native applications, preferably on AWS.
- Strong understanding of application architecture, system design, and software engineering principles.
- Ability to design scalable, secure, and highly available solutions.
Software Engineering Practices
- Experience with modern software development tools, source control, and CI/CD processes.
- Strong knowledge of software development lifecycle (SDLC), testing, debugging, and troubleshooting.
- Understanding of security best practices and data protection principles.
- Experience working in Agile delivery environments.
AI-Assisted Development
- Hands-on experience using Generative AI-assisted development tools and modern engineering practices.
- Familiarity with spec-driven development, AI agents, development copilots, or related productivity tools.
Collaboration & Leadership
- Excellent problem-solving and analytical skills.
- Ability to work effectively within large, cross-functional teams.
- Experience providing technical guidance and mentoring to other developers.
- Passion for continuous improvement and engineering excellence.
Preferred Skills
- Experience with ReactJS, Redux, HTML5, and CSS3.
- Exposure to frontend testing frameworks such as Jest.
- Experience with file transfer and integration technologies.
- Knowledge of event-driven architectures and messaging platforms.
- Familiarity with industry technology trends and emerging software engineering practices.
Key Responsibilities
- Design and develop secure, scalable, and high-quality software solutions using Java, Spring Boot, AWS, and SQL technologies.
- Build and maintain microservices and integration components supporting enterprise applications.
- Collaborate with product owners, architects, and engineering teams to define, design, and deliver new features.
- Ensure application performance, reliability, scalability, and security.
- Troubleshoot production issues, identify bottlenecks, and implement effective solutions.
- Write clean, maintainable, and well-tested code following engineering best practices.
- Participate in code reviews and promote high-quality engineering standards.
- Support continuous integration, automated testing, and deployment processes.
- Contribute to technical design discussions and architectural decisions.
- Create and maintain technical documentation throughout the software development lifecycle.
- Provide technical leadership and support to team members.
- Evaluate emerging technologies and recommend improvements to existing solutions.
- Drive continuous improvement initiatives across development processes and tooling.
Desired Candidate Profile
- Bachelor's degree in Computer Science, Engineering, or a related discipline (or equivalent experience).
- Proven experience delivering enterprise-scale software applications.
- Strong communication and stakeholder management skills.
- Self-motivated individual with a passion for technology, innovation, and continuous learning.
Additional eligibility requirements:
· Candidates must currently reside in the UK.
· Candidates must be available to start within 8 weeks of receiving an offer.
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.
Applicants must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for this position.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
About 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.











