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dcoded. | B Corp ™ pending
Senior Software Engineer

Senior Software Engineer

Hybrid

London, United kingdom

£ 90,000 /year

Senior

Full Time

09-02-2026

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Skills

Python JavaScript Go TypeScript NoSQL PostgreSQL CI/CD DevOps Architecture Databases node.js AWS Data Science Terraform

Job Specifications

Senior Software Engineer - Python - London

Salary: Up to £90,000

Location: Hybrid – 2 days per week in Canary Wharf (E14)

Contract: Permanent, Full Time

Interviews: WC 9th February

Agency Partner: dcoded

The Business

dcoded are partnering with a high-growth Real-Time Data SaaS business based in London, operating across a variety of market which includes wellbeing technology and gambling.

The company builds low-latency, data-intensive platforms that ingest and process real-time data at scale, supporting:

The business is entering a significant growth phase and is expanding its engineering team.

The Role

We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms — not internal IT systems.

This is a hands-on role covering the full development lifecycle, from system design and build through to deployment and production support, with a strong focus on reliability, performance, and commercial impact.

Responsibilities

Design and develop scalable components within a real-time SaaS architecture
Deliver high-quality software to agreed timescales
Build and execute tests to support stable releases
Support production systems, including out-of-hours support on a rota
Collaborate with product teams and third-party partners

Essential Experience

PostgreSQL and NoSQL databases
Python is the core language
TypeScript, Go, Node.js, JavaScript
API-driven and distributed systems

Desirable Experience

Betting, gambling, or other real-time domains (e.g. trading, finance)
DevOps, CI/CD, AWS, Terraform
Exposure to data science, ML, or real-time telemetry

Senior Software Engineer - Python - London

About the Company

We Are dcoded. | We're a technology talent partner driven by Purpose and Recruitment Excellence Our Purpose? To bring together tech talent, communities & technology with businesses that shape our future. We challenge ourselves to decode the gap between talent and businesses by being passionate, caring and always going the extra mile. With circa 25 years Technology Recruitment experience, we firmly believe in fostering strong relationships and building vibrant tech communities, a philosophy that underpins our unique approach ... Know more