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SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base.

The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners.

We are now entering a new and strategically significant phase of growth, characterised by the expansion of our systems to incorporate Land Border Surveillance Systems. Our new Sovereign Territory Surveillance (STS) Systems will play a crucial role in enhancing civil defence security through the deployment of advanced automated security infrastructures. Utilised by nations worldwide, these technologies facilitate the monitoring of sovereign land borders, thereby strengthening border integrity and national security.

About the role of Senior Elixir Engineer (Sovereign Territory Surveillance)

We're investing in Elixir as the foundation for the next generation of SRT's web technology platform.

You'll be joining at a point where you'll have genuine influence over how that platform evolves. We're not looking for someone to simply write features, we want engineers who enjoy making systems better. If you spot a better architecture, a cleaner deployment model, or a more elegant OTP solution, we want you to make the case. You'll have the freedom to experiment, prototype and influence where the platformgoes next.

We care far more about solving interesting engineering problems than chasing frameworks or buzzwords. Elixir just happens to be an excellent tool for the kinds of distributed, fault-tolerant systems we're building. You as a Senior Elixir Engineer will work alongside experienced engineers who enjoy discussing architecture, refining systems and occasionally disappearing down an OTP rabbit hole because there has to be a better way. If that sounds familiar, you'll probably feel at home here.

We're looking for a Senior Elixir Engineer who enjoys solving difficult technical problems and wants to build software with real-world impact. This isn't another CRUD SaaS platform. The software you build will help coast guards, maritime authorities and governments understand what's happening across some of the world's busiest waterways.

You'll be working on distributed, event-driven systems that ingest, process and visualise live data from thousands of assets across the globe. One day you'll be designing resilient OTP services processing streaming telemetry, the next you'll be building highly interactive LiveView applications or helping shape the architecture behind the next generation of our platform.

If words like GenServer, PubSub, supervision trees and distributed systems genuinely make you smile, you'll probably enjoy working here. You'll be responsible for building stable, secure and scalable platforms that power SRT's next generation of web technologies. We looking for someone who enjoys understanding systems, not just writing features.

Please note - the role of Senior Elixir Engineer is a hybrid role, working both in our Bristol office and WFH.

What you'll do in the role of Senior Elixir Engineer

You'll be joining a small team of experienced engineers with significant influence over architecture and technical direction.

Our technology stack includes:

Elixir / OTP
Phoenix & LiveView
PostgreSQL / PostGIS
Event-driven architectures
MapLibre and geospatial visualisation
Real-time telemetry and data processing
Containerised services deployed across cloud and customer-managed infrastructure

Depending on the project, you might be:

Building scalable APIs
Processing live maritime telemetry
Developing rich LiveView interfaces
Working with large geospatial datasets
Designing fault-tolerant distributed services
Helping shape technical strategy across the platform
Improving deployment, observability and developer tooling

You'll ideally have experience with:

Elixir and OTP
Phoenix and LiveView
Designing distributed systems
Building APIs and backend services
Distributed relational and/or OLAP databases
Containerised applications and modern deployment practices
Cloud and on-premises platforms
Designing maintainable software that evolves over time
Performance profiling

Experience with geospatial systems, MapLibre or PostGIS would be highly advantageous, but isn't essential.

Benefits Package

Excellent salary and package
Private health care
Career Development opportunities

SRT Marine Systems plc are an equal opportunity employer. We are committed to creating an inclusive working environment for all employees and actively encourage applications from all sectors of the community