CompanyLondon, England, United Kingdom

Junior Java Developer

Project-Based

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 deg, developing, testing, and supporting RESTful APIs and

backend services in a financial services environment.

Job Description

  • Design, develop, and maintain Java-based backend 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 (e.g., endpoints, payloads, dependencies, and operational notes)

Core/Must have skills

  • Hands-oexperience developing Java backend applications, including REST API development in production or near-production environments.
  • Familiarity with common Java API frameworks and patterns (e.g., 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.

Job Title: Junior Java Developer

Location: London, UK

Job Type: Contract

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Notice available at https://www.allegisgroup.com/en-gb/-notices.

To access our Online Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to https://www.allegisgroup.com/en-gb/-notices.

We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your rights, please visit the "Contacting Us" section of our Online Notice at https://www.allegisgroup.com/en-gb/-notices for details on how to contact us. To protect your and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Shield or the Swiss-U.S. Shield.

Skills

Spring BootJavaAgileSecurityRESTGoSpring

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