Java With AWS Fullstack Engineer

Java Developer

Deliver high-quality Java-based services and cloud-hosted solutions on AWS. Contribute to design, development, testing, and optimization of digital applications while following established engineering standards. Support senior engineers, collaborate with multidisciplinary teams, and ensure services are secure, maintainable, and aligned to DDaT delivery principles.

Key Responsibilities

Software Development

• Develop Java microservices using Spring Boot and modern engineering practices.
• Implement RESTful APIs, service integrations, and reusable components.
• Write clean, maintainable, well-tested code following established coding standards.

Cloud Engineering (AWS)

• Build and deploy cloud-native solutions using core AWS services (e.g., Lambda, ECS, API Gateway, DynamoDB, S3, RDS).
• Contribute to cloud architecture discussions and implement best practices for security, scalability, and observability.

Quality Engineering

• Write automated unit, integration, and functional tests.
• Contribute to code reviews, defect resolution, and performance improvements.
• Support continuous integration and continuous deployment activities.

Technical Collaboration

• Work with senior developers, DevOps engineers, QA and Product teams to deliver secure and reliable services.
• Participate in Agile ceremonies (stand-ups, planning, refinement, retros).
• Provide technical input into design decisions and documentation.

Operational Support

• Support environments, deployments, and troubleshooting.
• Help maintain service stability using monitoring and logging tools.

Essential Skills (Must Have)

• Strong Java development experience, preferred Java 17+.
• Experience with Spring Boot, REST APIs, and microservice architectures.
• Hands-on exposure to AWS services in real delivery environments.
• Knowledge of CI/CD tools (GitHub Actions, Jenkins, GitLab CI, etc.).
• Good understanding of testing practices (JUnit, Mockito, integration tests).
• Familiarity with containerisation (Docker) and basic cloud networking concepts.
• Strong problem-solving skills and ability to work independently within guidelines.

Desirable Skills (Nice to Have)

• Infrastructure as Code experience (Terraform, AWS CDK, CloudFormation).
• Exposure to event-driven systems (Kafka, SNS/SQS, Kinesis).
• Experience with monitoring/observability tools (ELK, CloudWatch, Grafana, OpenTelemetry, Splunk).
• Familiarity with security best practices and OWASP principles.
• Experience working on public-sector or regulated projects.

Experience Profile

• Practical experience delivering Java services in a cloud or microservices environment.
• Demonstrated contributions to Agile teams (Scrum/Kanban).
• Experience supporting CI/CD pipelines and DevOps practices.
• Exposure to collaborative delivery with Product, QA, DevOps and Architecture teams.

Ways of Working

• Works under general direction; receives guidance on complex tasks but handles routine work independently (aligned with SFIA Level 4 expectations).
• Actively contributes to knowledge sharing, documentation, and continuous improvement.
• Communicates clearly with technical and non-technical colleagues.

Location & Security

UK-based, hybrid working as agreed with the client; BPSS or SC clearance may be required.

What we offer

• The chance to work with impact. Here, you're empowered to bring your biggest thinking to help our company and clients improve everyday life.
• Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
• The opportunity to thrive on a high caliber team with heart. We celebrate each other's experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
• A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
• Flexible health and financial benefits to support you and your eligible dependents—from day one.
• True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.

About us

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge 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, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.

Other employment-related information

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.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com with your request and contact information.

Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you'll deliver services to and collaborate with stakeholders outside the province who may not speak French.