Back‑End Engineer (Scala)
Location: Belfast, Northern Ireland, United Kingdom
Application Deadline: 30 January 2026
Department: Technology
Employment Type: Full Time
Reporting To: Stephen McKeown
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.
Responsibilities
* 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
Qualifications & Skills
* Hands‑on programming experience – Scala and either Rust or Go
* Technologies C 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
Additional Skills
* 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
Benefits
* 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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