Junior Software Engineer (Java/Kotlin/JVM)
Junior Software Engineer (Java/Kotlin/JVM)
Contract Overview
Role: Junior Software Engineer (Java/Kotlin/JVM)
Location: Victoria, London
Length: 12 months
Start: ASAP
Rate: £200 per day
Status: Inside IR35
Pattern: Hybrid working
About the Role
I'm currently recruiting for a Junior Software Engineer to join a digital product team working across modern financial services technology.
This role would suit someone with a few years' commercial software engineering experience, particularly across Java, Kotlin and JVM-based Back End development. The successful candidate will be working on modern applications and services that support customer-facing digital products, with a focus on clean code, APIs, service-based architecture and production-quality software delivery.
Experience within digital banking, fintech, financial services or insurance would be beneficial, although the main priority is strong Back End engineering capability and a genuine interest in building reliable, scalable applications.
Client
The client is a leading global financial services organisation with a major digital technology function. The team is responsible for building and supporting customer-facing digital products used at scale, with a strong focus on modern engineering, secure platforms, API-led development and high-quality customer experiences.
Key Responsibilities
* Build, maintain and improve Back End services using Java, Kotlin and JVM technologies
* Work across the full software delivery life cycle, from design and development through to testing, deployment and production support
* Develop and integrate APIs that support customer-facing digital products and internal platforms
* Contribute to both greenfield and brownfield development projects
* Participate in code reviews, technical discussions and system design conversations
* Work closely with product, engineering and wider technology teams to refine requirements and deliver new features
* Write clean, maintainable and well-tested code
* Support live applications and help ensure performance, reliability and quality in production environments
* Use modern engineering practices, including source control, CI/CD, automated testing and monitoring
Skills and Experience
* A few years' commercial experience in software engineering
* Strong hands-on experience with Java, Kotlin and JVM-based Back End development
* Understanding of service-based architecture and API-led development
* Experience working with live applications and production environments
* Good understanding of computer science fundamentals, data structures and software design principles
* Experience with software testing, including unit testing and integration testing
* Experience working with databases such as PostgreSQL, MongoDB or Redis
* Familiarity with Git and source code control platforms such as GitHub, Bitbucket or GitLab
* Experience working in Agile or Scrum environments
* Good communication skills and the ability to work collaboratively across technical and non-technical teams
Useful Technical Experience
* Kotlin
* Java
* JVM
* Ktor or Spring
* REST APIs
* PostgreSQL
* MongoDB
* Redis
* GitHub Actions or other CI/CD tools
* Docker
* Kubernetes
* AWS, GCP or Azure
* Monitoring and logging tools such as CloudWatch, Prometheus, OpenSearch or Elasticsearch
* Jira, Trello or similar delivery tools
Desirable Experience
* Experience or interest in AI tools and how they can support software development
* Experience using tools such as GitHub Copilot, Devin or similar AI-assisted development tools
* Ability to review, challenge, correct and improve AI-generated code or technical output
* Experience in digital banking, fintech, financial services or insurance
* Full stack experience, particularly with React or modern web technologies
* Cloud deployment or container orchestration experience
* A curious, adaptable and problem-solving mindset
Important Information
No visa sponsorship available. Candidates must already have the right to work in the UK.
Salt contact
Robert Sprigens, Senior Consultant - (see below)
*Rates depend on experience and client requirements