Design and build robust, high-throughput backend services supporting real-time risk scoring, screening, and continuous monitoring workflows.
Work closely with data engineering teammates to deliver personalised intelligence to our customers, enabling unique, customer-specific views of the blockchain.
Contribute to world-class sanctions reporting infrastructure that compliance teams and regulators depend on.
Help scale the system to support Elliptic's growing enterprise customer base, identifying and resolving performance and reliability bottlenecks.
Take ownership of technically complex areas, driving architecture and implementation decisions with sound trade-off reasoning.
Review code, raise the technical quality of the team, and mentor engineers where appropriate.
Collaborate with product, data, and engineering stakeholders to translate compliance requirements into well-designed, maintainable systems.

5+ years of professional software engineering experience building and operating production backend systems.
Strong TypeScript/Node.js experience, with the ability to write clean, well-tested, production-ready code.
Proven experience working with complex event-driven, streaming, or queue-backed architectures (e.g. Kinesis, Kafka, SQS, or similar) in a production environment.
Solid understanding of distributed systems trade-offs: consistency, availability, latency, and failure modes.
Experience working with NoSQL and caching technologies, with comfort reasoning about data access patterns and performance.
A track record of contributing to technically complex codebases, and the ability to communicate architectural thinking clearly.
AI fluency: you actively use AI tools to accelerate your work, and can demonstrate how you apply them effectively in engineering contexts.

Hybrid working and the option to work from almost anywhere for up to 90 days per year
£500 Remote working budget to set up your home office space
$1,000 Learning & Development budget to use on anything (agreed with your manager) that contributes to your growth and development
Holidays: 25 days of annual leave + bank holidays
An extra day for your birthday
Enhanced parental leave: we provide eligible employees, regardless of gender or whether they become a parent by birth or adoption, 16 weeks fully-paid leave
Private Health Insurance
we use Vitality!
Full access to Spill Mental Health Support
Life Assurance: 4 times your salary to your beneficiaries
£100 cryptocurrency for you!
Cycle to Work Scheme

Senior Backend Engineer

Key skills