At a Glance
- Tasks: Build and improve Back End services using Java, Kotlin, and JVM technologies.
- Company: Join a leading global financial services organisation with a major digital tech function.
- Benefits: Competitive rate of £200 per day, hybrid working, and opportunities for professional growth.
- Other info: Collaborative team culture with a focus on modern engineering practices.
- Why this job: Make an impact on customer-facing digital products in a dynamic tech environment.
- Qualifications: A few years' experience in software engineering with strong Java and Kotlin skills.
The predicted salary is between 60000 - 80000 £ per year.
Contract Overview
- 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
Junior Software Engineer Java Kotlin AWS in London employer: Salt
Join a leading global financial services organisation in Victoria, London, where innovation meets opportunity. As a Junior Software Engineer, you'll thrive in a hybrid working environment that fosters collaboration and creativity, while contributing to cutting-edge digital products. With a strong emphasis on employee growth, modern engineering practices, and a supportive work culture, this role offers you the chance to develop your skills in a dynamic team dedicated to delivering high-quality customer experiences.
StudySmarter Expert Advice🤫
We think this is how you could land Junior Software Engineer Java Kotlin AWS in London
✨Get Involved in Open-Source Projects
Diving into open-source projects is a brilliant way to showcase your skills and connect with other developers in the community. Not only will you beef up your GitHub profile but you might also catch the eye of someone at Salt who values hands-on experience over just theory.
✨Attend Local Tech Meetups
Tech meetups are gold mines for networking and discovering job opportunities, especially in the fast-paced world of software engineering. Check out local listings for events in your area and don’t shy away from introducing yourself. This could lead directly to a temporary position at Salt!
✨Showcase Your Work Online
With temporary roles, it’s all about standing out in a short space of time. Create a portfolio website where you highlight your projects and skills. Talk about your code, and provide links to your GitHub repositories. This will not only demonstrate your abilities but will also make it easier for recruiters at Salt to see what you bring to the table.
✨Leverage Temporary Job Boards
Don’t forget to check specialised job boards for temporary software development roles. Websites like We Work Remotely or Remote OK often list short-term gigs that can be a perfect fit. Apply directly through our website as well, making sure your application is sharp—temporary roles can move fast!
We think you need these skills to ace Junior Software Engineer Java Kotlin AWS in London
Some tips for your application 🫡
Show Off Your Tech Skills:Make sure your CV highlights your tech stack and any programming languages you’re proficient in. Include specifics about any frameworks or technologies you’ve worked with; they can make you stand out in the sea of applicants. It’s all about showing that you have the chops we need at Salt!
Portfolio 2.0:Since you’re applying for a temporary gig, it’s super important to showcase a portfolio that highlights your best projects. Include links to GitHub or any personal projects that demonstrate what you can do in a real-world environment. This gives us a taste of your style and your problem-solving approach!
Keep It Brief and Relevant:With a temporary position, we want to see your ability to hit the ground running. Be concise in your CV and cover letter; stick to experiences that directly relate to the role. Highlight any previous temporary roles or freelance gigs that show your adaptability and quick learning!
Tailor Your Cover Letter:Don’t just send a generic cover letter. Personalise it for Junior Software Engineer Java Kotlin AWS at Salt! Mention why this temporary role excites you and how you see yourself contributing in the short run. Show us what you've got and why you're the one for this quick turn-around!
How to prepare for a job interview at Salt
✨Nail the Technical Skills
For a software engineering role, you'll likely face technical questions or coding tasks during your interview. Brush up on the relevant programming languages and frameworks that Salt uses, and don’t forget to practice some coding challenges on platforms like LeetCode or HackerRank. Showing your coding prowess can really make you stand out!
✨Prepare for System Design Questions
Even for a temporary role, having a grasp of system design principles can be crucial. Be ready to discuss how you would architect a software solution, including discussing trade-offs, scalability, and performance considerations. Having examples from previous projects can really show off your analytical thinking.
✨Demonstrate Your Adaptability
Since this is a temporary role, you'll want to emphasise your ability to hit the ground running. Highlight experiences where you quickly adapted to new technologies or teams. Let’s make it clear to the interviewers at Salt that you can learn on the job and deliver results in a short timeframe!
✨Show Off Your Portfolio
Make sure to have a portfolio or GitHub ready showcasing your projects. Having tangible evidence of what you've done—be it personal projects, contributions to open-source, or previous work—can convey how capable you are. Tailor this for what might interest Salt, so it's relevant and sparks conversation during your interview.
