Lead Software Engineer in London

Lead Software Engineer in London

London Full-Time 80000 - 100000 ÂŁ / year (est.) No home office possible
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OpenSource

At a Glance

  • Tasks: Lead a dynamic team in developing innovative software solutions and mentoring fellow engineers.
  • Company: Fast-paced software company in London with a focus on real-world impact.
  • Benefits: Competitive salary, flexible working hours, and opportunities for professional growth.
  • Other info: Join a collaborative environment with exciting challenges and career advancement.
  • Why this job: Make a real difference by shaping architecture and driving engineering standards.
  • Qualifications: Strong Python skills and experience in technical leadership roles.

The predicted salary is between 80000 - 100000 ÂŁ per year.

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.

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.

Languages: Python

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).

Lead Software Engineer in London employer: OpenSource

Join a dynamic software company in London that champions an outcome-driven culture, where your contributions as a Lead Software Engineer will have a tangible impact. With a focus on autonomy and ownership, you'll enjoy a collaborative work environment that prioritises mentorship and professional growth, alongside competitive benefits and the opportunity to work on cutting-edge technologies. This is not just a job; it's a chance to lead a talented team and shape the future of software engineering.
OpenSource

Contact Detail:

OpenSource Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Lead Software Engineer in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with tech communities. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Python and real-time data feeds. This gives potential employers a taste of what you can do and how you approach problem-solving.

✨Tip Number 3

Prepare for interviews by brushing up on technical leadership scenarios. Be ready to discuss how you've guided teams, made architectural decisions, and tackled challenges in past roles. We want to see your thought process!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search.

We think you need these skills to ace Lead Software Engineer in London

Python
Technical Leadership
Web-Scraping
Reverse-Engineering
Low-Latency Data Feeds
Agile Methodologies
Code Quality Assurance
Mentorship
System Reliability
Cross-Team Collaboration
OpenTelemetry
Prometheus
Grafana
AWS
Linux/Unix

Some tips for your application 🫡

Show Your Passion for Python: When you're writing your application, make sure to highlight your love for Python. Share specific projects or experiences where you've used Python to solve real-world problems. We want to see your enthusiasm and how you can bring that energy to our team!

Emphasise Leadership Experience: As a Tech Lead, you'll be guiding others, so don’t forget to showcase your leadership skills. Talk about times you've mentored engineers or led a project. We’re looking for someone who can inspire and elevate the team, so let us know how you’ve done that in the past!

Be Clear and Concise: In a fast-paced environment like ours, clarity is key. Make sure your application is easy to read and straight to the point. Use bullet points if necessary to break down your skills and experiences. We appreciate a well-structured application that gets to the heart of what you can offer!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re proactive and keen to join our team at StudySmarter!

How to prepare for a job interview at OpenSource

✨Know Your Python Inside Out

Make sure you brush up on your Python skills before the interview. Be ready to discuss your past projects and how you've used Python in real-world scenarios, especially in web-scraping and reverse-engineering. This will show that you not only understand the language but can also apply it effectively.

✨Showcase Your Leadership Skills

As a Tech Lead, you'll need to demonstrate your ability to guide and mentor a team. Prepare examples of how you've led teams in the past, tackled challenges, and influenced architectural decisions. Highlight your communication skills and how you foster collaboration within a team.

✨Understand Their Culture

This company values quick delivery and practical problem-solving over perfect code. Be prepared to discuss how you prioritise outcomes and adapt to fast-paced environments. Share experiences where you’ve had to make trade-offs and how you ensured quality while meeting tight deadlines.

✨Prepare for Technical Questions

Expect technical questions that assess your knowledge of system reliability, observability tools like OpenTelemetry and Grafana, and cloud services like AWS. Brush up on these topics and be ready to explain how you've implemented them in previous roles, as this will demonstrate your readiness for the responsibilities of the position.

Lead Software Engineer in London
OpenSource
Location: London
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