Job title: Engineer IILocation: London – HybridSalary: £46,000 – £60,000Team: FlexReporting to: Software Engineering ManagerVisa sponsorship: Not available for this role at this time. We evaluate sponsorship on a role‑by‑role basis and encourage candidates to check future opportunities.
What will I be doing?
You’ll be part of the Flex platform team, helping to build systems that connect energy retailers, grid operators, and consumers. Day‑to‑day you’ll design and deliver scalable features, from integrating technologies like electric vehicles to enabling customer offerings such as “Charge Anytime”. You’ll work closely with data scientists and backend engineers on core optimisation problems, own features from concept through to ongoing improvement, write high‑quality, well‑tested code, and contribute to a strong engineering culture that decarbonises transport and home energy use at scale.
About You
- A hands‑on engineer with expertise in at least one programming language. If your experience doesn’t match our stack exactly, that’s fine – we hire based on strong engineering fundamentals rather than specific languages.
- Experience building or contributing to a variety of systems, ideally across different technologies.
- Knowledge of modern engineering best practices, including test automation and continuous delivery.
- A genuine passion for developing products that positively impact large numbers of people and the environment.
- A collaborative mindset, with a love of working in teams to build features that deliver customer value.
- Motivation to take ownership of products, from inception through to continuous improvement.
- A strong belief in test automation, continuous delivery, and agile ways of working.
- A proactive approach to learning, with a desire to deepen your expertise and broaden your skill set.
What Will Set You Apart
- A genuine interest in the energy transition and developing products that positively impact the environment.
Why might this role not suit you?
This is a period of significant evolution, offering exciting opportunities alongside challenging work that may not suit everyone. Success in this role requires operating effectively in ambiguous, changing environments, balancing multiple priorities simultaneously, and enjoying the process of simplifying complex problems.
Benefits
- Pension Scheme
- Discretionary Bonus Scheme
- Private Medical Insurance + Virtual GP
- Life Assurance
- Access to Furthr – a Climate Action app
- Free Mortgage Advice and Eye Tests
- Perks at Work – access to thousands of retail discounts
- 5% Flex Fund to spend on the benefits you want most
- 26 days holiday
- Flexible bank holidays, giving you an additional 8 days you can choose to take whenever you like
- Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
- Dedicated personal learning and home office budgets
- Flexible working – we trust you to work in a way that suits your lifestyle
- and more…
We are committed to building a diverse, global team. Our sponsorship policy is evaluated on a role‑by‑role basis and we encourage all candidates to apply.
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