Platform Engineer

Omnis Partners; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A fast-growing fintech company in Greater London seeks a skilled developer to build scalable backend systems. You'll develop microservices, libraries, and real-time data pipelines while collaborating with teams to define data contracts. Ideal candidates are hands-on with Java, Python, or Go, and possess strong problem-solving skills. The culture emphasizes autonomy and innovation, with a focus on building impactful infrastructure in a rapidly evolving environment.

Qualifications

• Hands-on experience in Java, Python, or Go building scalable backend systems.
• Knowledge of Kubernetes, cloud infrastructure, and event-driven pipelines.
• Strong problem-solving skills and systems thinking.

Responsibilities

• Build microservices, libraries, and real-time data pipelines.
• Develop self-serve tooling for internal teams.
• Operate and scale systems across multi-cloud environments.
• Collaborate to define upstream data contracts.
• Explore and integrate new technologies.

Skills

Java

Python

Go

Kubernetes

Cloud infrastructure

Event-driven pipelines

Problem-solving skills

Systems thinking

Job description

One of the UK’s fastest-growing fintech companies

Omnis Partners is exclusively partnering with a fintech building the next-generation self-serve data platform that powers billions in transactions for tens of thousands of merchants across Europe. This platform lets product, engineering, and analytics teams own, process, and act on their data independently and you’ll be at the heart of it.

Why this role stands out

• 🚀 High-impact: Your work powers real‑time payments and business‑critical insights
• ⚡ Autonomy: Build self‑serve tools and shape the platform architecture
• 🤖 AI exposure: Work on systems ready for ML models and AI agents
• 🎯 Cross‑functional influence: Partner with engineers, product teams, and stakeholders to define and deliver solutions

What you’ll do

• Build microservices, libraries, and real‑time data pipelines.
• Develop self‑serve tooling for internal teams, improving developer experience and platform adoption.
• Operate and scale systems across multi‑cloud environments.
• Collaborate with technical and non‑technical teams to define upstream data contracts.
• Explore and integrate new technologies, with optional exposure to AI/ML agents.

What we’re looking for

• Hands‑on experience in Java, Python, or Go building scalable backend systems.
• Knowledge of Kubernetes, cloud infrastructure, and event‑driven pipelines.
• Strong problem‑solving skills and systems thinking.
• Collaborative approach, able to influence technical and non‑technical stakeholders.
• Curious, relentless, and customer‑obsessed mindset.
• Exposure to AI/ML pipelines or agents is a strong plus.
• Hyper‑growth fintech disrupting payments in Europe.
• Build infrastructure that directly impacts the business, your work matters.
• Full autonomy to choose the tech and shape the platform.
• Collaborate with world‑class engineers solving real‑time, high‑scale challenges.
• Office‑first culture with focus, collaboration, and big ideas.