Junior Java Developer
TEKsystems
Charing Cross, United Kingdom
2 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
JuniorJob location
Charing Cross, United Kingdom
Tech stack
Java
API
Agile Methodologies
Automation of Tests
Code Review
Performance Tuning
Systems Development Life Cycle
Software Engineering
Systems Integration
Management of Software Versions
Data Logging
Spring-mvc
Spring-boot
Api Design
REST
Software Version Control
Job description
A large American multinational financial services and bank holding company are looking for a Java developer. They are seeking a Java API Developer to join their development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and Back End services in a financial services environment., * Design, develop, and maintain Java-based Back End services and REST APIs that support financial services workflows and data use cases.
- Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable.
- Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model.
- Write automated tests (unit and integration), participate in peer code reviews, and contribute to quality gates for each release.
- Support service troubleshooting and production readiness activities such as logging, monitoring, defect triage, and minor performance tuning with guidance from senior team members.
- Maintain clear technical documentation for APIs and integrations (eg, endpoints, payloads, dependencies, and operational notes)
Requirements
- Hands-oexperience developing Java Back End applications, including REST API development in production or near-production environments.
- Familiarity with common Java API frameworks and patterns (eg, Spring Boot/Spring MVC-style services) and building maintainable service layers.
- Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards
- Strong grasp of SDLC basics: source control, code reviews, automated testing, and working in Agile delivery.
- Experience working in financial services (or another regulated environment) where reliability, controls, and documentation matter.