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For Companies At a Glance
- Tasks: Design and maintain backend systems for core business operations in a dynamic trading environment.
- Company: Join a leading digital asset trading firm with a global engineering team.
- Benefits: Competitive salary, remote work options, and opportunities for professional growth.
- Why this job: Make a real impact on critical systems that drive operational integrity and innovation.
- Qualifications: 3+ years in backend software engineering with strong C# and database skills.
- Other info: Collaborative culture focused on continuous improvement and cutting-edge technology.
The predicted salary is between 28800 - 48000 £ per year.
STS Digital is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. We are seeking a Backend Software Engineer to join the Core Business Systems (CBS) team. This role focuses on building and maintaining the systems that support the operational backbone of the business, including accounting, reporting, treasury automation, and trade lifecycle management. The engineer will work closely with the CBS Team Lead and other engineering teams to deliver reliable, auditable, and scalable backend services.
Primary Responsibilities:
- Design, implement, test, deploy, and maintain backend services supporting core business operations.
- Develop and enhance systems covering: Accounting and trade reporting; Trade and options lifecycle management; Treasury automation and transfer management.
- Admin and operational tooling (users, accounts, entity mapping).
- Design and maintain relational database schemas, with a strong focus on correctness, performance, and auditability.
- Build and maintain internal APIs used by OTC, Markets, Integrations, and operational teams.
- Work closely with stakeholders to ensure systems meet operational, regulatory, and reporting requirements.
- Investigate and resolve production issues, ensuring data integrity and minimal business impact.
- Participate in code reviews, testing, and continuous improvement of system quality and performance.
- Collaborate with the Principal Engineer and other teams to align on standards, architecture, and best practices.
Expected Qualifications:
Essential
- 3+ years’ experience in backend software engineering.
- Strong hands-on experience with C# (or another strongly typed language).
- Solid experience with relational databases, ideally PostgreSQL.
- Experience designing data models and working with complex business domains.
- Strong problem-solving skills and a structured approach to debugging and troubleshooting.
- Comfortable working on business-critical, data-sensitive systems.
- Good verbal and written communication skills.
- Fluent in English, both written and spoken.
Desirable
- Experience in financial services, trading, accounting, or operational systems.
- Exposure to trade lifecycle, treasury, or reconciliation workflows.
- Experience with Python and/or React.
- Familiarity with cloud-based systems (AWS).
- Experience building or consuming internal APIs.
- Understanding of audit, reporting, or regulatory requirements in technology systems.
Our Tech Stack
- Backend: C#, Python
- Frontend: React
- Databases: PostgreSQL, DynamoDB
- Infrastructure: AWS (EKS, EC2)
- Version Control & CI/CD: GitHub
The CBS team is responsible for systems that underpin the firm’s operational integrity and regulatory posture. This role is suited to an engineer who enjoys working with complex data, business rules, and operational workflows, and who values correctness, reliability, and long-term system quality.
Backend Software Engineer in England employer: STS Digital Group
Contact Detail:
STS Digital Group Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Backend Software Engineer in England
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those related to backend systems. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your problem-solving skills. Practice coding challenges and be ready to discuss your past experiences with backend services and databases. Confidence is key!
✨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 Backend Software Engineer in England
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with backend software engineering, especially in C# and relational databases. We want to see how your skills align with our needs, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re excited about the Backend Software Engineer role and how your background fits into our Core Business Systems team. Let us know what makes you tick!
Showcase Problem-Solving Skills: In your application, share examples of how you've tackled complex problems in past roles. We love engineers who can think critically and troubleshoot effectively, so give us a glimpse of your structured approach!
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 – just a few clicks and you’re done!
How to prepare for a job interview at STS Digital Group
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially C# and PostgreSQL. Brush up on your knowledge of relational databases and be ready to discuss how you've used them in past projects.
✨Showcase Problem-Solving Skills
Prepare to share specific examples of how you've tackled complex problems in your previous roles. Think about situations where you had to debug or troubleshoot issues, and be ready to explain your structured approach to finding solutions.
✨Understand the Business Context
Since this role involves working with operational systems, it’s crucial to understand the business side of things. Familiarise yourself with concepts related to accounting, trade lifecycle management, and treasury automation so you can speak intelligently about how your work impacts the business.
✨Communicate Clearly
Good communication is key, especially when collaborating with stakeholders. Practice explaining technical concepts in simple terms, and be prepared to discuss how you’ve worked with cross-functional teams in the past to ensure everyone is on the same page.
