At a Glance
- Tasks: Build and optimise mission-critical systems for high-volume banking transactions.
- Company: Join FIS, a leader in innovative banking technology.
- Benefits: Competitive salary, flexible work environment, and comprehensive benefits.
- Other info: Dynamic team culture with opportunities for personal and professional growth.
- Why this job: Tackle complex challenges and shape the future of banking with AI.
- Qualifications: Experience in Go/Rust and a strong understanding of distributed systems.
The predicted salary is between 60000 - 80000 £ per year.
Are you curious, motivated, and forward‑thinking? At FIS, you’ll work on some of the most complex and impactful challenges in modern banking, helping build next‑generation, AI‑enabled platforms used by financial institutions worldwide.
About the team: You will build and operate mission‑critical systems responsible for correctness, performance, and reliability of high‑volume banking transactions.
What you will be doing:
- Build transaction processing services with strong correctness guarantees
- Optimize p95/p99 latency and throughput of critical system hot paths
- Debug complex system‑level and distributed failures
- Design and enforce invariants through testing and operational discipline
- Own observability, on‑call readiness, and incident response
- Use AI‑assisted tools to improve debugging and operational efficiency
What you bring:
- Strong system‑level engineering experience in Go and/or Rust
- Deep understanding of distributed systems failure modes
- Performance and concurrency expertise
- Experience operating production systems at scale
- Security‑ and reliability‑focused mindset
Added bonus if you have:
- Low‑level performance profiling experience
- Financial transaction processing experience
- Experience designing safe APIs and primitives
- AI‑driven debugging and observability tooling
What we offer you:
- A work environment built on collaboration, flexibility, and respect
- Competitive salary and attractive range of benefits designed to help support your lifestyle and wellbeing
- Varied and challenging work to help you grow your technical skillset
Privacy Statement: FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the Online Privacy Notice.
Senior Systems Engineer employer: FIS Banking Solutions UK Limited
At FIS, we pride ourselves on fostering a collaborative and flexible work environment where innovation thrives. As a Senior Systems Engineer, you'll not only tackle complex challenges in modern banking but also enjoy a competitive salary and a comprehensive benefits package that prioritises your wellbeing. With ample opportunities for professional growth and the chance to work with cutting-edge AI technologies, FIS is an exceptional employer for those seeking meaningful and rewarding careers in the financial technology sector.
Contact Details:
FIS Banking Solutions UK Limited Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Senior Systems Engineer
✨Tip Number 1
Network like a pro! Reach out to current or former employees at FIS on LinkedIn. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.
✨Tip Number 2
Prepare for the technical interview by brushing up on your Go and Rust skills. We recommend doing some mock interviews with friends or using online platforms to simulate the real deal.
✨Tip Number 3
Showcase your problem-solving skills! During interviews, be ready to discuss how you've tackled complex system failures in the past. Real-world examples will make you stand out.
✨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, it shows you’re genuinely interested in joining the team.
We think you need these skills to ace Senior Systems Engineer
Some tips for your application 🫡
Show Your Curiosity:When writing your application, let your curiosity shine through! Share examples of how you've tackled complex challenges in the past, especially in systems engineering. We love seeing candidates who are motivated to learn and grow.
Be Specific About Your Skills:Make sure to highlight your experience with Go and/or Rust, as well as any work you've done with distributed systems. We want to see concrete examples of your skills in action, so don’t hold back on the details!
Demonstrate Problem-Solving Abilities:In your application, include instances where you've debugged complex system failures or optimised performance. We’re looking for those who can think critically and solve problems effectively, so share your best stories!
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 shows you’re keen on joining our team!
How to prepare for a job interview at FIS Banking Solutions UK Limited
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of Go and Rust, as well as distributed systems. Be ready to discuss specific projects where you've tackled complex system-level challenges, especially those involving performance and concurrency.
✨Showcase Your Problem-Solving Skills
Prepare to share examples of how you've debugged complex failures in production systems. Highlight your experience with incident response and how you've used AI-assisted tools to enhance operational efficiency.
✨Understand the Business Context
Familiarise yourself with the banking sector and the importance of transaction processing services. Being able to connect your technical skills to real-world applications in finance will impress your interviewers.
✨Ask Insightful Questions
Prepare thoughtful questions about the team’s current challenges and how they approach system reliability and security. This shows your genuine interest in the role and helps you gauge if the company is the right fit for you.
