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Platform Engineer

Sparta -
London

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Job details

Full-time
3 days ago

Qualifications

CI/CD
Technical troubleshooting
Kotlin
Cloud infrastructure
Kubernetes
Software deployment
Build automation
AWS
CI/CD pipelines
Terraform
Redis
GitHub
Kafka
AI
DevOps implementation
TypeScript
Infrastructure provisioning automation
Terraform provisioning

Full job description

We Are Sparta

Sparta is the next-generation commodity trading platform.
We give trading desks the clarity, control, and collaboration they need to move faster and trade smarter.

In February 2025, we secured $42 million in Series B funding. Now we’re scaling up across the business, and it’s an exciting time to join.

Our people are the driving force behind everything we do. At Sparta, you’ll be trusted to take ownership, backed by a team who wants you to succeed. You’ll be challenged, supported, and given room to grow. Because building something this ambitious takes everyone at their best.

At Sparta, your work has reach. From improving our platform, to powering smarter decisions for our customers, to changing how commodity trading is done around the world.

And because we’re growing fast, you won’t just build your career. You’ll accelerate it, with a level of ownership and impact you simply don’t get at bigger, more bureaucratic companies.

Platform Engineer

Team: Platform Engineering. Level: Junior/Mid. Location: London, Barcelona or Madrid.

About the role

You'll join our Platform Engineering team, which owns the tooling, automation and infrastructure that our development teams use to build, deploy and run their software. The role covers the full lifecycle. You'll help build the self-service platform that lets teams ship easily, work on the deployment tooling and pipelines that get their code into production, and help operate and support the infrastructure on which it all runs.

You'll need a solid grounding in AWS and cloud infrastructure concepts. It's a good fit for someone early in their career who wants to grow their platform, cloud, and Kubernetes skills while working on systems that every developer in the company depends on.

What you'll do

Contribute to the internal platform, tooling and automation that development teams use to build, deploy and operate their applications
Develop and maintain infrastructure as code in AWS CDK, so our AWS environment is provisioned and managed in a repeatable, reviewable way
Extend our CI/CD pipelines, including our ongoing migration from CircleCI to GitHub Actions
Support the runtime across Lambda, ECS and EKS, and help move more of our workloads onto our Kubernetes-based platform (EKS)
Operate and support data and streaming infrastructure, including Redshift, RDS, Kafka, Flink and Redis/Valkey
Support development teams in resolving incidents, helping diagnose and fix infrastructure-related issues
Improve observability, monitoring and alerting in Datadog so problems are caught early
Document platform capabilities and help developers adopt them

What we're looking for

A strong urge to own and improve things - to look for things that aren’t working and make them better
A good working understanding of AWS and core cloud infrastructure concepts such as compute, networking, storage and IAM
Hands-on experience with infrastructure as code, whether AWS CDK, Terraform, CloudFormation or something similar
A working knowledge of Kubernetes and container-based workloads
Familiarity with CI/CD tooling and the software delivery lifecycle
Comfort with at least one programming or scripting language (for example, TypeScript, Java/Kotlin, Python or Bash) and an interest in automating things
Comfort working with agent-based development tools. We use Claude Code, but experience with any comparable AI coding agent is fine
A collaborative, developer-focused mindset, and an interest in making other engineers' lives easier
A willingness to learn, get stuck in, and take part in incident response
Clear communication and a pragmatic approach to problem-solving

Nice to have

Experience building or operating a platform on Kubernetes, EKS, especially
Experience with observability tooling, particularly Datadog
Familiarity with data or streaming systems such as Redshift, RDS, Kafka or Flink
Understanding of security and compliance best practices in cloud environments

Sparta Commodities is proud to be an equal opportunity employer and promotes diversity within its workforce. We are determined that no-one will ever receive less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, race, veteran status or any basis covered by appropriate law.

Apply Now

Refine Your Search

junior java jobs in london, eng

Platform Engineer

Site Reliability Engineer , Cryptography, Access and Identity Services

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Sr. Software Engineer, Backend/Cloud (Hybrid, London)

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Software Development Engineer III - Customer Fulfilment

Senior Java Engineer

Senior Engineer – Python

Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

Senior Software Engineer I - Wise for Enterprise - Banks

Senior Software Engineer I

Technical Consultant

Senior Software Engineer

Senior Cyber Software Engineer/ Technical Lead

Senior Software Developer

Senior Developer

Principal Software Engineer - Platform Engineering - Accelerator Business

Senior Software Engineer II - Data Onboarding & Reporting

Senior Backend Engineer - Europe Account

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