Senior Backend Engineer

Salt Digital Recruitment; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading FCA-regulated trading brokerage seeks a Full-stack Java Developer to build a new trading system. This role offers the chance for technical ownership and the opportunity to lead a team in the future. Join a dynamic team where your work will directly impact the company's future and experience a collaborative culture focused on innovation.

Benefits

Competitive salary and performance-based bonus

Opportunities for professional growth

Contributory pension scheme

Collaborative and innovative work environment

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related field.
• 5-8 years of experience in application development.
• Strong skills in Java, Spring, and SQL.

Responsibilities

• Develop and maintain scalable trading applications.
• Implement APIs and integrate third-party services.
• Contribute to code reviews and troubleshooting.

Skills

Java

Spring

Spring Boot

SQL

REST APIs

Unit Testing

Software Development Lifecycle

GIT

Education

Bachelor’s degree in Computer Science

Tools

Jira

Docker

Job description

Full-stack Java Developer – Greenfield Trading System

Location: Finsbury Square, London (Office-based, Monday to Friday)

Salary Range: £60,000 – £80,000

Are you a talented and enthusiastic Full-stack Java Developer looking to build a brand-new trading system? My client, a leading FCA-regulated trading brokerage, is seeking a skilled developer to join a growing team of experienced technologists and finance professionals. This role offers opportunities for technical ownership from day one as you work on a system built in Java and React Native.

Why Join This Opportunity?

• Greenfield Project: Work on a brand-new system with no legacy tech debt.
• Direct Impact: As you contribute to a mission-critical flagship product, your work will directly shape the company’s future.
• Growth Potential: Join the team early with the potential to grow into a team lead as the team expands.
• Unique Culture: Experience a start-up culture while being part of a well-established and reputable group.
• Embrace AI: My client is a strong believer in AI applications in Finance and is constantly looking for innovative ideas while remaining compliant and risk aware.

Key Responsibilities:

• Develop, design, and maintain high-quality, scalable, and secure trading applications.
• Write clean, scalable, testable, and maintainable code.
• Implement APIs and seamlessly integrate third-party services.
• Actively contribute to code reviews.
• Support deployment and release processes and troubleshoot production issues.

Skills and Qualifications:

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Systems, or a related technical field.
• A minimum of 5-8 years of experience in application development.
• Strong Java / Spring / SpringBoot skills.
• Strong command of SQL (PostgreSQL is preferred) and ORMs (Hibernate/Spring Data).
• Experience in designing and implementing REST APIs.
• Experience writing unit/integration tests.
• Proficient with software development lifecycle (SDLC) methodologies.
• Proficiency in the development environment, including IDE, web & application server, GIT, Jira, unit-testing tools, and defect management tools.

Additional Preferred Qualifications:

• Exposure to / understanding of Front-End on web and mobile.
• Experience in building low-latency trading systems.
• Working knowledge of AWS cloud.
• Experience in DevOps development and deployment using Docker and containers.

What My Client Offers:

• Competitive salary and performance-based bonus.
• Opportunities for professional growth and career advancement.
• Contributory pension scheme.
• A collaborative, innovative, and open culture work environment.

Eligibility: The candidate should be eligible to work in the UK; visa sponsorship is not provided.

If you are a passionate Full-stack Java Developer ready to contribute to a cutting-edge greenfield trading system, we encourage you to apply!

*Rates depend on experience and client requirements

Job Information

Job Reference: JO-2505-353838

Salary: £60000.00 - £80000.00 per annum

Salary per: annum

Job Duration:

Job Start Date: 31/07/2025

Job Industries: Software Engineering

Job Locations: Greater London

Job Types: Permanent

Apply for this Job

Name *

Please enter your full name.

Email *

Enter a valid email address.

Upload a CV *

Upload your CV to accompany your application for this job.

Please tick this box to consent to us using your data. How we use your data is outlined in our privacy policy *

Fields marked with * are required.