At a Glance
- Tasks: Design and implement features for a high-throughput payments platform using C# .NET.
- Company: Join a globally recognised Fintech business with a strong engineering culture.
- Benefits: Enjoy competitive salary, hybrid working, and increasing annual leave.
- Other info: Exclusive role with genuine career progression opportunities.
- Why this job: Make a real impact on a platform processing millions of transactions daily.
- Qualifications: 4+ years in software development with strong C# .NET and SQL Server skills.
The predicted salary is between 60000 - 75000 € per year.
Senior backend engineering role on a mission-critical, high-throughput payments platform using C# / .NET, SQL Server, CI/CD, and BDD. This role offers serious technical challenges at real transaction volumes with hybrid working, requiring 2 days in the Belfast city centre office.
About the Company
Our client is a globally operating Fintech business that operates across more than 175 countries. Their Belfast engineering team builds and owns infrastructure that simply cannot go down, ensuring a culture, discipline, and technical standards to maintain reliability.
The Role
As a Senior Software Engineer, you will contribute to roadmap delivery, backend service design, and the ongoing improvement of a complex, high-scale system. You will work alongside experienced engineers and product partners in an Agile environment, having genuine input into technical decisions and real responsibility for what you ship.
Key Responsibilities
- Design and implement roadmap features to a high standard within a collaborative, experienced engineering team.
- Build reliable, scalable backend services in C# / .NET, contributing to frontend components where required.
- Participate in technical design discussions and contribute meaningfully to architectural decisions.
- Ensure all deliverables are well-tested, technically accurate, and delivered on time with strong CI/CD discipline.
- Improve development processes, tooling, and engineering methodology through hands-on contribution.
- Support software deployment activities across internal test and production environments.
- Mentor junior engineers through code reviews, pairing, and knowledge sharing.
- Investigate production issues, synthesise information across multiple sources, and deliver clear, actionable solutions.
- Contribute to estimation, planning, and transparent communication of progress and blockers.
What You Will Need
Essential
- 4+ years of commercial software development experience.
- Strong server-side development experience in C# / .NET on Windows.
- Experience designing and building scalable web service solutions.
- Strong relational database experience, SQL Server preferred.
- Proven test automation experience including unit testing and BDD frameworks.
- Familiarity with CI/CD pipelines (Bamboo, Jenkins, GitLab or similar).
- Solid understanding of design patterns, object-oriented design, and refactoring principles.
- Experience working in Agile, Scrum, or Lean/Kanban environments.
- Right to work in the UK on a permanent, full-time basis.
- Based in, or within one hour commute of, Belfast.
Desirable
- Knowledge of PCI standards.
- Experience in high-availability or high-throughput engineering environments.
- Background in information security or system architecture at scale.
Why Apply?
- Exclusive role, placed only by Ocho People.
- Genuine career progression within a globally recognised organisation, with clear paths to staff and architectural levels.
- Be part of something genuinely big: a platform processing millions of transactions daily across more than 175 countries.
- Hybrid working with 2 days in a brand-new Belfast city centre office.
- Increasing annual leave with length of service, plus bank holidays.
- Medical and dental insurance, life cover, income protection, and critical illness cover.
- Stock purchase plan, cycle to work, and electric car scheme.
This role is exclusively placed by Ocho People and will not be found advertised anywhere else.
Senior .Net Developer (Scale Up, Exclusive) employer: Ocho
Join a globally recognised Fintech leader as a Senior .Net Developer in Belfast, where you'll be part of a dynamic engineering team dedicated to building mission-critical systems that handle millions of transactions daily. Enjoy a hybrid working model, competitive salary, and exceptional benefits including increasing annual leave, medical and dental insurance, and opportunities for genuine career progression within a culture that values technical excellence and collaboration. This is your chance to make a real impact in a high-throughput environment while enjoying the vibrant city life of Belfast.
StudySmarter Expert Advice🤫
We think this is how you could land Senior .Net Developer (Scale Up, Exclusive)
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who might know someone at the company you're eyeing. A personal introduction can make all the difference in getting your foot in the door.
✨Tip Number 2
Prepare for the technical interview by brushing up on your C# and .NET skills. Practice coding challenges and be ready to discuss your past projects in detail. Show them you’re not just a developer, but a problem-solver!
✨Tip Number 3
Don’t underestimate the power of a follow-up! After your interview, send a thank-you email to express your appreciation for the opportunity. It keeps you fresh in their minds and shows your enthusiasm for the role.
✨Tip Number 4
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 take that extra step to connect with us directly.
We think you need these skills to ace Senior .Net Developer (Scale Up, Exclusive)
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior .Net Developer role. Highlight your experience with C# and .NET, and don’t forget to mention any relevant projects that showcase your skills in building scalable web services.
Showcase Your Achievements:When writing your application, focus on your achievements rather than just listing responsibilities. Use metrics where possible to demonstrate how you’ve contributed to past projects, especially in high-throughput environments.
Be Clear and Concise:Keep your application clear and to the point. Use straightforward language and avoid jargon unless it’s relevant to the role. We want to see your personality shine through, so don’t be afraid to let us know what makes you tick!
Apply Through Our Website:We encourage you to apply through our website for a smoother process. This way, we can ensure your application gets the attention it deserves, and you’ll be one step closer to joining our amazing team!
How to prepare for a job interview at Ocho
✨Know Your Tech Inside Out
Make sure you brush up on your C# and .NET skills before the interview. Be ready to discuss your past projects in detail, especially those involving high-throughput systems. They’ll want to see how you’ve tackled challenges and what solutions you implemented.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific instances where you've resolved production issues or improved processes. Use the STAR method (Situation, Task, Action, Result) to structure your answers, highlighting your analytical thinking and ability to deliver actionable solutions.
✨Familiarise Yourself with Agile Practices
Since the role involves working in an Agile environment, be ready to talk about your experience with Agile methodologies like Scrum or Kanban. Share examples of how you’ve contributed to team dynamics and project success in previous roles.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s engineering culture, their approach to CI/CD, and how they handle scalability challenges. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.
