Napier AI
Back End Engineer (Go)
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Application Deadline: 30 November 2026
Department: Technology
Location: Belfast
Description
Imagine catching criminals before they strike—that’s exactly what Napier’s AI-powered platform does! By analysing transactions and customers in real time, Napier AI’s technology empowers financial institutions to spot suspicious activity, like money laundering, and stops it in its tracks.
Napier AI’s technology works like a digital detective, combining AI with smart analytics to outthink criminals and protect people’s money from becoming criminal proceeds. It’s not just about stopping crime—it’s about making the financial world safer and more trustworthy for everyone.
Collaboration, innovation and wonderful people are just some of the reasons to bring your career to Napier. Our culture is shaped by our core values that promote equality, creativity, and opportunity in everything we do.
After successfully securing PI investment to fuel our ongoing growth and to further invest in our AI products, we are currently building out our Tech Hub in Belfast - this is a super exciting time to join Napier in Belfast as we expand.
The Role: Back-End Engineer (Golang)
The Back-end Engineer is a key member of our core Engineering teams, building our powerful, flexible financial crime detection engine that is used by top Financial Institutions globally to quickly and easily apply predefined scenarios or Machine Learning algorithms to customer, and transaction data.
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In this role, you (Back-end Engineer) will be responsible for building high-quality features in alignment with Napier’s overall technical vision and architecture, following appropriate engineering practices (such as CI/CD, high automation and test coverage, and trunk-based development), continually improving technical debt, and evolving the system to meet changing needs and market opportunities. You’ll be a passionate hands-on technologist who is ready to do what’s needed to keep technical quality high.
Your day to day: Back-end Engineer (Go)
- Assuming direct development responsibility for developing, debugging and unit testing of product features in accordance with internal procedures and standards
- When required, diagnosing, and solving functional and performance/scalability issues
- Helping to improve technical practices towards a continuously releasable end-state, especially in terms of GitHub, CI/CD, and development processes
Do you have what it takes?
These skills are essential to be successful in this role
- Hands-on programming experience – Go
- Technologies & Tools – Apache Kafka, Kubernetes, Docker, GitHub
- Azure and AWS or GCP and data processing in cloud
- Database and SQL development experience, especially PostGreSQL
- Collaborative team player with strong (written and verbal) communication skills
- Comfortable working with remote engineering teams and distributed delivery models
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We’d be thrilled if you also have experience with, and are keen to grow your skills in, some of these other areas:
- Programming Languages – Kotlin, Java
- Analytics engines, especially ElasticSearch
- KeyCloak
- ETL tools
- Performance engineering principles and tools
- CI/CD and DevOps tooling
- Open Telemetry and related observability tools and techniques, especially Grafana and Prometheus
Why Napier?
- Comprehensive private healthcare through AXA covering optical, audio & dental.
- 25 days of annual leave + bank holidays, your birthday and a wellness day
- Dedicated pension plan through Aviva
- Life Insurance 4x your annual salary
- Enhanced Maternity & Paternity leave
- Income protections policy
- Work from anywhere for up to 1 month
- Access to our employee wellbeing programme.
- Gym membership discounts.
- Flexibility in work schedules and locations, ensuring a work-life balance.
- This role can be fulfilled either with a hybrid approach or fully in-office – depending on your preference.
- An open and flexible culture that allows you to work in the best way for you.
Please note applicants must have the right to work in the United Kingdom. We are unable to offer sponsorship or take over sponsorship of employment visas at this time.
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