Backend Developer (Java, SQL) in London
Backend Developer (Java, SQL)

Backend Developer (Java, SQL) in London

London Full-Time 60000 - 80000 £ / year (est.) No home office possible
Vallum Associates

At a Glance

  • Tasks: Design and develop high-performance backend services for complex data systems.
  • Company: Join a dynamic team in a leading financial services firm.
  • Benefits: Competitive salary, flexible working hours, and opportunities for professional growth.
  • Other info: Collaborate with a small, agile team and shape the technical roadmap.
  • Why this job: Make an impact on innovative projects in a fast-paced environment.
  • Qualifications: 5+ years in software engineering with strong Core Java and SQL skills.

The predicted salary is between 60000 - 80000 £ per year.

We are seeking an experienced Backend Developer with strong expertise in Core Java to build scalable, high-performance APIs and work effectively within large, complex codebases. The ideal candidate will have a solid foundation in system architecture and will collaborate closely with DevOps and the Head of Engineering in a small, agile team.

This role plays a critical part in developing and enhancing a microservices-based platform that supports risk management and backend operations for both corporate and retail trading. You will also contribute to shaping the technical roadmap and improving the Software Development Life Cycle (SDLC).

Key Responsibilities:
  • Design, develop, and maintain high-performance backend services for complex data processing systems
  • Architect scalable solutions for high-volume calculations and data pipelines
  • Optimize database schemas, write efficient SQL queries, and improve database performance
  • Collaborate directly with business stakeholders to define and deliver new features
  • Ensure performance, reliability, and quality across all backend services
  • Identify and resolve performance bottlenecks, defects, and system issues
  • Adhere to best practices in engineering, including design patterns and architectural principles
  • Develop and maintain unit and integration testing frameworks
  • Contribute to the technical roadmap and continuously improve SDLC processes
  • Support additional ad hoc technical tasks as required
Technical Skills:
  • 5+ years of experience in software engineering with strong Core Java expertise
  • At least 2 years of experience working with SQL databases
  • Strong experience in API development and automation
  • Familiarity with cloud platforms such as AWS, Azure, or GCP
  • Experience working in Agile environments
  • Hands-on experience with CI/CD pipelines and version control systems
  • Experience with Python is a plus
Qualifications & Experience:
  • Bachelor’s or Master’s degree in Computer Science, Data Science, Information Technology, Electrical Engineering, or a related field (must have)
  • Experience in a regulated industry, preferably within banking or financial services
  • Proactive mindset with a strong sense of ownership and a focus on continuous improvement

Backend Developer (Java, SQL) in London employer: Vallum Associates

As a leading player in the financial services sector, we pride ourselves on fostering a dynamic and inclusive work environment that encourages innovation and collaboration. Our Backend Developers enjoy competitive benefits, opportunities for professional growth, and the chance to work on cutting-edge technology within a supportive agile team. Located in a vibrant area, our office provides a stimulating atmosphere where creativity thrives, making it an excellent place for those seeking meaningful and rewarding employment.
Vallum Associates

Contact Detail:

Vallum Associates Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Backend Developer (Java, SQL) in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work in backend development. A friendly chat can lead to insider info about job openings or even referrals that could give you an edge.

✨Tip Number 2

Show off your skills! Create a GitHub profile showcasing your projects, especially those involving Core Java and SQL. This gives potential employers a sneak peek into your coding style and problem-solving abilities.

✨Tip Number 3

Prepare for technical interviews by brushing up on your algorithms and system design knowledge. Practice coding challenges on platforms like LeetCode or HackerRank to get comfortable with the types of questions you might face.

✨Tip Number 4

Don’t forget to apply through our website! We love seeing candidates who are genuinely interested in joining our team. Tailor your application to highlight your experience with microservices and API development to catch our eye.

We think you need these skills to ace Backend Developer (Java, SQL) in London

Core Java
SQL
API Development
Cloud Platforms (AWS, Azure, GCP)
Agile Methodologies
CI/CD Pipelines
Version Control Systems
System Architecture
Data Processing Systems
Database Performance Optimization
Unit and Integration Testing
Design Patterns
Technical Roadmap Development
Proactive Mindset

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with Core Java and SQL. 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! Use it to explain why you’re passionate about backend development and how you can contribute to our microservices-based platform. Keep it engaging and personal!

Showcase Your Problem-Solving Skills: In your application, mention specific examples where you've tackled performance bottlenecks or improved system reliability. We love seeing how you approach challenges and find solutions!

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 Vallum Associates

✨Know Your Java Inside Out

Make sure you brush up on your Core Java skills before the interview. Be prepared to discuss your experience with building scalable APIs and how you've tackled complex codebases in the past. They’ll likely ask you technical questions, so having examples ready will show you know your stuff.

✨SQL Skills Are Key

Since SQL databases are a big part of this role, be ready to demonstrate your ability to write efficient queries and optimise database performance. You might even get a practical test, so practice some common SQL problems beforehand to feel confident.

✨Show Your Agile Experience

This company values Agile methodologies, so be prepared to talk about your experience working in Agile teams. Share specific examples of how you’ve collaborated with others, adapted to changes, and contributed to the SDLC process. It’s all about showing you can thrive in a dynamic environment.

✨Ask Insightful Questions

At the end of the interview, don’t forget to ask questions! Inquire about their current projects, the tech stack they use, or how they approach performance optimisation. This shows your genuine interest in the role and helps you gauge if it’s the right fit for you.

Backend Developer (Java, SQL) in London
Vallum Associates
Location: London

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