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- Tasks: Enhance back-end applications and lead system migrations using Java and Node.js.
- Company: Leading financial services organisation with a dynamic development team.
- Benefits: Competitive contract rate, hybrid work model, and opportunities for skill development.
- Why this job: Join us to modernise financial services and make a real impact in tech.
- Qualifications: 5+ years in Java & Node.js, with strong DevOps and testing skills.
- Other info: Collaborative environment with potential for career advancement.
The predicted salary is between 36000 - 60000 £ per year.
Job Description
Mid-Level Back-end & Infrastructure Developer – Contract
📍 London / Hybrid (3 days onsite, Canary Wharf)
⏳ 6-Month Contract – Financial Services
We’re looking for a talented Back-end & Infrastructure Developer with strong Java and Node.js/TypeScript experience to join a dynamic development team within a leading financial services organisation.
This role is ideal for someone who enjoys working across both backend development and infrastructure, collaborating with centralised DevOps teams, and contributing to modern, large-scale financial services platforms.
🔑 What You’ll Do
- Maintain and enhance scalable back-end applications using Java, Node.js, and TypeScript.
- Lead the migration of existing Node.js systems into Java to align with bank-wide infrastructure strategy.
- Work closely with DevOps teams, utilising Docker and Kubernetes for containerisation and deployments.
- Build and maintain CI/CD pipelines (GitHub Actions).
- Monitor and optimise system performance and uptime.
- Write robust unit and integration tests to ensure high code quality.
- Collaborate with cross-functional teams to define, design, and deliver new features.
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🎯 What We’re Looking For
- 5+ years’ experience as a Java & Node.js/TypeScript developer.
- Hands-on experience with Docker, Kubernetes, GitHub Actions (CI/CD).
- Strong knowledge of SQL databases.
- Proven track record writing unit & integration tests.
- Strong problem-solving skills, with the ability to meet deadlines in collaborative environments.
⭐ Nice-to-Have Skills
- Experience with Snowflake (cloud data warehousing).
- GraphQL API development experience.
Ready to make your mark in financial services? We're looking for skilled professionals to help us modernize our backend infrastructure and applications. Apply today!
Mid-Level Back-end & Infrastructure Developer - Contract employer: Randstad Digital
Contact Detail:
Randstad Digital Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Mid-Level Back-end & Infrastructure Developer - Contract
✨Tip Number 1
Network like a pro! Reach out to your connections in the financial services sector and let them know you're on the lookout for opportunities. A personal recommendation can go a long way in landing that interview.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving Java, Node.js, and TypeScript. This will give potential employers a taste of what you can bring to their team.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and system design knowledge. Practice common algorithms and data structures, and be ready to discuss your experience with Docker and Kubernetes.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Mid-Level Back-end & Infrastructure Developer - Contract
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Java, Node.js, and TypeScript. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re excited about this role and how your background makes you a perfect fit. We love hearing about your passion for back-end development and infrastructure.
Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled challenges in previous roles. We’re looking for developers who can think on their feet and collaborate effectively, so share those experiences!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Randstad Digital
✨Know Your Tech Stack
Make sure you brush up on your Java, Node.js, and TypeScript skills before the interview. Be ready to discuss specific projects where you've used these technologies, as well as any challenges you faced and how you overcame them.
✨Familiarise Yourself with DevOps Tools
Since this role involves working closely with DevOps teams, it’s crucial to understand Docker, Kubernetes, and CI/CD pipelines. Prepare to talk about your experience with these tools and how they’ve helped you in past projects.
✨Showcase Your Problem-Solving Skills
Be prepared to discuss real-world problems you've solved in your previous roles. Think of examples that highlight your analytical thinking and ability to meet deadlines while collaborating with others.
✨Ask Insightful Questions
At the end of the interview, don’t forget to ask questions! Inquire about the team dynamics, the current projects, or the company’s approach to modernising their backend infrastructure. This shows your genuine interest in the role and helps you assess if it's the right fit for you.
