OpenSource
Lead Software Engineer
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Tech Lead (Python) – Hybrid (London)
A software company in London is looking for a Tech Lead (Python) to join and guide their engineering team. They operate in a fast-paced environment where engineers prioritise quick delivery, practical problem-solving, and real-world impact over perfect code. It’s an outcome-driven culture with plenty of autonomy, where developers take ownership across the full lifecycle of their work.
As a Tech Lead, you’ll combine hands-on development with technical leadership, helping shape architecture, mentor engineers, and drive engineering standards across the team.
What You’ll Work On
- Building integrations with new data and liquidity sources using advanced web-scraping and reverse-engineering techniques.
- Developing and maintaining low-latency, real-time data feeds to support internal strategies.
- Improving system visibility and observability to help identify integration issues and areas for optimisation.
- Leading an agile team with a flexible, evolving roadmap driven by new information and opportunities.
- Taking ownership of software delivery from design through to development, testing, review, deployment, and production support.
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Key Responsibilities
- Technical Leadership: Provide direction on architecture, design, and engineering best practices across the team.
- Design & Deliver Features: Build and guide the development of features aligned with business goals, ensuring high-quality, maintainable, and performant code.
- Mentorship & Team Development: Support and mentor engineers, fostering growth and improving team capability.
- Code Quality: Oversee code reviews and testing practices to ensure strong engineering standards.
- Production Ownership: Ensure system reliability in production, leading responses to incidents and driving long-term improvements.
- Cross-Team Collaboration: Work closely with engineering teams and stakeholders to design and deliver effective technical solutions.
- Out-of-hours support as part of a rotating schedule.
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Tech Stack
- Languages: Python
- Messaging: RabbitMQ, Kafka
- Storage: PostgreSQL, Redis
- Environment: Linux
- Observability: OpenTelemetry, Prometheus, Grafana, Zabbix
- Cloud: AWS
Must-haves
- Strong software development background with deep Python expertise.
- Proven experience in a technical leadership or senior role, guiding teams and influencing architecture.
- Degree in Computer Science or a similar numerical subject.
- Excellent communication skills with the ability to explain complex ideas clearly.
- Strong decision-making skills, particularly around trade-offs in architecture and implementation.
- Experience with web-scraping / reverse-engineering, including navigating bot-protection tooling.
Nice-to-haves
- Experience building event-driven systems.
- Comfortable working in Linux/Unix environments.
- Experience contributing to cloud migration projects (AWS ideal).
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