Senior Software Engineer (Java, React, AWS)

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.

In This Role, You Will:

• 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 optimisation 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.

• 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.

Additional eligibility requirements:

• Candidates must currently reside in the UK.
• Candidates must be available to start within eight weeks of receiving an offer.

These Will Help You Stand Out

• 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.