Senior Software Engineer

🚀 Senior Software Engineer | Python & SQL | Commodities Trading

Location: Chiswick - 3 days a week

Salary: up to £80k basic

My client cannot offer sponsorship now - or in the future.

We’re looking for a Software Engineer to join a growing technology team within an established commodities trading business operating across global markets.

This is an opportunity to work in a high-ownership engineering environment where technology has a direct impact on trading, automation and business performance.

The opportunity

You’ll work closely with Trading, Finance and Operations teams to build pragmatic, high-value technology solutions. You’ll have the opportunity to influence engineering practices, solve complex problems and automate processes that directly improve how the business operates.

You’ll be involved in:

• Designing, developing and reviewing high-quality software
• Building technology solutions for trading teams
• Automating manual and operational processes
• Solving complex technical and business problems
• Improving software development and SDLC practices
• Working with stakeholders across the business to turn ideas into effective solutions
• Contributing to a high-performing engineering culture focused on ownership, delivery and continuous improvement

What we’re looking for

You’ll have 4+ years’ commercial software development experience , with strong skills in:

• Python and SQL
• Relational databases
• Git or similar version control systems
• Software engineering best practices
• Agile ways of working, including Scrum and/or Kanban
• Building pragmatic solutions that prioritise impact over perfection

Experience working with cloud infrastructure would be advantageous.

Experience that would be a bonus

• AWS — including EC2, Lambda, Aurora and S3
• RESTful APIs
• React or other modern UI technologies
• CI/CD and DevOps practices
• Docker/containerisation, ECS, Fargate or Kubernetes
• Kafka/Kinesis, Flink or other real-time data technologies
• Airflow and data engineering pipelines
• Data visualisation and dashboarding
• Datadog or similar monitoring/logging platforms
• Automated testing, TDD, BDD and performance testing
• Low-latency trading or comparable high-performance infrastructure

The kind of person you’ll be

Technical ability is important, but so is how you work .

We’re looking for someone who:

• Takes ownership and gets things done
• Is pragmatic and focuses on the highest-impact work
• Thinks logically and enjoys solving complex problems
• Learns quickly and is intellectually curious
• Works well under pressure and remains calm when priorities change
• Communicates clearly with both technical and non-technical stakeholders
• Has a strong team mindset and works without ego
• Is comfortable challenging ideas and contributing their own
• Cares about quality while understanding the importance of delivery
• Is motivated by continuous personal and professional development

What’s on offer

Alongside a competitive salary and discretionary performance bonus, the package includes:

• 39 days' holiday
• Pension contribution
• Income protection and life insurance
• Physical health allowance
• Professional coaching and personal development support
• Support for professional qualifications and certifications
• A book-a-month personal development initiative
• Team events and social activities
• A supportive, inclusive environment where ideas are encouraged and implemented

Why join?

This is a chance to join a business where engineering is not simply a support function. You’ll have genuine ownership, close exposure to the business and the opportunity to build technology that makes a measurable difference.

If you enjoy Python, solving difficult problems, building useful technology and working in a high-performance environment with low bureaucracy and high ownership , we’d love to hear from you.

We’re committed to building an inclusive and diverse workplace where different perspectives, backgrounds and ways of thinking are valued.