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Senior Software Engineer (Finance & Logistics)

Posted 5 days 3 hours ago by Deepstreamtech

Permanent

Not Specified

I.T. & Communications Jobs

London, United Kingdom

Job Description

Requirements

Extensive backend development experience in complex domains
Fluency in 3 or more programming languages - you're a polyglot who chooses tools pragmatically
Strong fundamentals in system design, software architecture, and data modelling
Deep experience working in complex domains - such as financial systems, logistics, or workflow-heavy platforms
Hands-on experience with relational databases (PostgreSQL preferred)
Comfortable working in an event-driven, modular monolith environment
Experience with refactoring legacy systems and shaping technical direction
(Desirable) Familiarity with DDD, CQRS, BDD, or similar techniques
(Desirable) Background in finance, accounting, logistics, or regulated domains
(Desirable) Strong test automation experience, especially in CI/CD and end-to-end testing contexts
You're curious and T-shaped - deep in your craft, broad in understanding
You take extreme ownership, from implementation through to adoption and long-term maintainability
You're self-driven, collaborative, and humble - you care about outcomes more than credit
You value pragmatism over purity and optimise for business impact

What the job involves

We're looking for a Senior Backend Engineer to help us evolve our core business engine
This role is deeply hands-on and implementation-focused, with strong scope for architectural input
If you're driven by complex domains, clean abstractions, and high-impact ownership, this is for you
Behind the scenes, our systems model deep commercial logic, financial rules, and real-world operations at scale
We're moving fast, redesigning our architecture for the next chapter, and hiring exceptional engineers to help us build the future of global trade in drinks
Own the design and implementation of backend systems driving business-critical workflows, financial calculations, and operational tooling
Model domain complexity using DDD and other architectural approaches across an event-driven modular monolith
Shape and evolve our architecture as we transition from Java to Node.js/TypeScript in a modern AWS-based environment
Work closely with product and operations to build features that serve both external users and internal teams
Play a key role in refactoring and rearchitecting complex codebases, balancing performance, readability, and testability
Contribute to and promote test automation and CI/CD pipelines, especially for regression coverage
Bring system-level thinking to design discussions with a team of senior/principal engineers