Software Developer – Hybrid (Hammersmith, London)

We are supporting a high-performing trading company in Hammersmith that is looking for a Software Developer with strong Python experience. The role sits within a fast-moving engineering team that focuses on delivering real value quickly, solving practical technical problems, and giving developers end-to-end ownership of the systems they build.

What You’ll Work On

• Building integrations with new external data sources using advanced web scraping and reverse-engineering techniques.
• Developing and maintaining low-latency, real-time data feeds to support internal systems and strategies.
• Improving internal visibility and observability tooling to help diagnose integration issues and identify improvements.
• Contributing across the full lifecycle of your work — design, development, testing, review, deployment, and ongoing support.
• Working within an agile, flexible roadmap that adapts as new opportunities and information arise.

Key Responsibilities

• Build High-Quality Features: Develop features that directly support business goals, writing maintainable and performant code.
• Uphold Code Quality: Review and test work from teammates to ensure reliability and consistency.
• Production Ownership: Support the stability of services in production as part of a shared rotation.
• Collaborate Across Teams: Partner with engineering teams, traders, and technical stakeholders to design and implement solutions.
• Participate in out-of-hours support on a rotational basis.

Tech Stack

• Languages: Python (3.10+), plus TypeScript/JavaScript for frontend work, and occasional Go for infrastructure tasks.
• Messaging: RabbitMQ, Kafka
• Storage: PostgreSQL, Redis
• Environment: Linux
• Observability: OpenTelemetry, Prometheus, Grafana, Zabbix

Requirements

Must-haves

• Strong software development experience, especially with Python.
• A degree in Computer Science or another numerical discipline.
• Clear communication skills, able to explain technical concepts confidently.
• Good judgement around technical trade-offs and practical, effective approaches.
• Experience with web scraping / reverse-engineering, including working around bot protection.

Nice-to-haves

• Experience with event-driven systems.
• Comfortable in Linux/Unix environments.
• Exposure to cloud migration or modern cloud setups (AWS ideal).

Benefits

• Competitive salary with strong bonus potential.
• Enhanced pension contributions with salary-sacrifice options.
• Private health insurance and life assurance.
• Sabbatical option after five years.
• 33 days’ annual leave (including bank holidays).
• The chance to work on technically interesting systems in a high-impact environment where your contributions genuinely matter.