Software Engineer
Department: Factor
Employment Type: Permanent - Full Time
Location: London, UK
Description
At Factor, we’re building the commercialisation layer for the new energy economy. Our engineers don’t just write code — they shape the foundations of a platform designed to transform how energy is priced, forecast, and delivered globally.
As an engineer, you will play a pivotal role in developing the core of our system: scalable data pipelines, pricing engines, and APIs that support real‑time decision making for energy retailers and their customers. You’ll work in a highly capable senior team, where ownership, curiosity, and engineering excellence are expected — and where AI tools are used daily to multiply impact and velocity.
Your Key Responsibilities
- Build and ship backend features and services with a focus on elegance, scalability, performance, and resilience.
- Design and evolve Factor’s core data and application architecture (Typescript rust, AWS, etc).
- Solve complex, end‑to‑end problems across the stack, from data ingestion and transformation, complex algorithms, through to APIs and partner integrations
- Contribute to engineering standards, peer reviews, and design discussions that raise the technical bar.
- Use AI and automation to accelerate development cycles, testing, and deployment.
- Help shape a culture of technical excellence, collaboration, and high ownership.
What We’re Looking For:
- Proficiency in Node.js, Python, PostgreSQL, and modern cloud architecture (AWS, serverless).
- Track record of designing and maintaining clean, maintainable systems that handle complex data and business logic.
- Experience in the energy sector (or other data-heavy, mission‑critical industries) is highly valued.
- Comfortable working autonomously in a fast‑moving startup environment; proactive in surfacing problems and proposing solutions.
- Thrives on responsibility and ownership, with a low‑ego, high‑collaboration style.
- Excited by the opportunity to apply your skills to one of the world’s biggest challenges: the energy transition.
What We Can Offer You
- Competitive salary
- Private medical insurance
- Life and income protection
- 24-days annual leave
- Enhanced parental leave
- Tailored learning and development opportunities
- Flexible working hours and remote‑work opportunities
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Software Engineer employer: Gentrack
As an EMEA Payroll Specialist at our London office, you will join a dynamic and supportive work culture that prioritises employee well-being and professional growth. We offer competitive salaries, private medical insurance, and tailored learning opportunities, all while fostering a collaborative environment where your contributions to payroll management and continuous improvement are valued. With flexible working hours and a commitment to innovation, we empower our employees to thrive both personally and professionally.
