Software Engineer - Mid Level

Propel London Ltd.; London (OH); Hybrid; USD 67,604 - 87,885; Full time

Job summary

Propel London Ltd. is seeking a Mid Level Software Engineer to join their team in a hybrid role in London. This position is ideal for those passionate about climate tech and offers the chance to make a significant impact in a well‑funded start‑up environment.

The ideal candidate will have experience in full‑stack environments, particularly with Python, and strong collaboration skills. The salary ranges from £50,000 to £65,000 with great benefits, including opportunities for rapid career progression.

Qualifications

• Hands-on experience as a Software Engineer in full-stack environments (Python preferred).
• Desire to ship and maintain production software in a fast-moving product environment.
• Proven experience working with small teams, preferably in start-ups.
• Strong object-oriented fundamentals applied to complex, evolving production codebases.
• Strong communication skills and a collaborative approach.
• Energy for rapid iterative delivery cycles.

Responsibilities

• Work with a small, friendly, and high‑performing team to grow the core product.
• Develop in a pragmatic and collaborative engineering culture.
• Contribute directly to impactful work in a fast-paced environment.

Skills

Hands-on experience as a Software Engineer in full-stack environments

Desire to ship and maintain production software

Proven experience working with small teams

Strong object-oriented fundamentals

Strong communication skills

Energy for rapid iterative delivery cycles

Tools

Django

GCP

Job description

Software Engineer (Mid Level) – Climate Tech Start Up

This is a great chance to join a well‑funded start‑up in the climate‑tech space and make a real impact as the business continues to grow. The team uses Python but welcomes engineers from a range of backgrounds. We are looking for strong engineers who are passionate about climate tech and thrive in a start‑up environment.

Location: London – Hybrid. The role averages three days a week in Waterloo.

The Role

You will work with a small, friendly, and high‑performing team to grow and develop the core product. The engineering culture is pragmatic and collaborative, giving you the chance to have impact, learn, and grow from day one.

What You Will Bring

• Hands‑on experience as a Software Engineer in full‑stack environments (Python preferred but not required).
• Desire to ship and maintain production software in a fast‑moving product environment.
• Proven experience working with small teams, preferably in start‑ups.
• Strong object‑oriented fundamentals applied to complex, evolving production codebases.
• Strong communication skills and a collaborative approach across product and engineering teams.
• Energy for rapid iterative delivery cycles.

Bonus Points

• Experience with Django or a similar Python‑based backend framework.
• Hands‑on experience with cloud infrastructure, ideally GCP.
• Industry experience in renewable energy, utilities, heat‑pump technology, or construction.
• Background in product‑focused engineering environments.

The Company

Our client is a product‑led technology business operating in a high‑growth, mission‑driven sector with genuine positive impact at its core. The team is growing rapidly, and this environment allows strong engineers to progress quickly, take on meaningful responsibility early, and contribute directly to impactful work.

Salary

£50,000 – £65,000 plus great benefits.

Next Steps

If you are a Mid Level Python Engineer with strong production engineering experience and a genuine desire to work on technology that makes a real‑world difference, please share your CV by clicking apply. For any questions, reach out directly.