{"id":2267830,"url":"https://alion.io/job/rendesco-full-stack-developer","title":"Full Stack Developer","company":{"id":3790358,"name":"RENDESCO","domain":"rendesco.com","url":"https://alion.io/company/rendesco","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HiBob","truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":183000,"period":"year","method":"role_country_seniority_unknown","sample_n":359},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FastAPI","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-09-30T20:53:02Z","employer_posted_date":"2026-10-11","last_verified_at":"2026-10-12T19:27:05Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"Rendesco is the UK's leading heat pump and heat network business. We design, build, fund, own and operate heat networks and heat pump systems that help to decarbonise our homes. Our unique low cost and low carbon solutions enable new-build developers, social housing providers and homeowners to move away from gas quickly, affordably and at scale.We're at an inflection point. The market is moving decisively towards low carbon heating, and we have the capital, technology and track record to lead this transition. We’re now looking for talented people to help us build the future of low carbon energy.\nLocation: London, Hybrid, Remote.\nResponsabilidades\nYou’ll work across frontend and backend development, building modern web and mobile applications and APIs, while working with technologies including Python, FastAPI, React, TypeScript and PostgreSQL.We’re looking for someone with commercial software development experience who enjoys solving problems, collaborating with others and learning new technologies. You’ll have the opportunity to take ownership of projects, influence technical decisions and work with innovative green technology. Your work may include:\nDevelop and deliver modern web and mobile applications.\nBuild and maintain backend services, APIs and databases.\nWork across the full software development lifecycle, from concept through to release.\nCollaborate with product, engineering and wider business teams to deliver customer-focused solutions.\nWrite automated tests and maintain high-quality, reliable software.\nHelp shape system architecture and technical direction.\nIntegrate software with hardware, metering and heat pump systems.\nContribute to solving complex technical challenges within the clean energy sector.\nRequisitos\nCommercial experience as a Software Developer / Full Stack Developer.\nStrong experience with Python and/or modern frontend technologies such as React and TypeScript.\nExperience developing APIs, databases and web applications.\nStrong problem-solving and analytical skills.\nGood understanding of software testing and development best practices.\nAbility to work collaboratively within a small, fast-paced technical team.\nA product-focused mindset, with an understanding of customer needs.\nStrong communication skills and the ability to work with both technical and non-technical stakeholders.\nA willingness to learn new technologies and develop your full-stack expertise.\nA degree in a STEM-related subject or equivalent experience is desirable\nBeneficios\nFull time position, salary depending on experience.\n25 days holidays plus bank holidays.\nPrivate Medical Insurance after successful completion of probationary period.\nSalary sacrifice cycle-to-work and electric vehicle schemes.\n£50 quarterly allowance to put towards a team social, a personal voucher, or another reward of your choice.\nA collaborative and inclusive working environment, with a programme of company social events and celebrations throughout the year.\n£30 monthly phone allowance, giving you the flexibility to choose the device and plan that best suits you for work purposes.\nBe the change.\n\nIf you're ready to start your career in clean technology and help us build a cleaner, smarter and more secure future, we'd love to hear from you.\nAt Rendesco, we're committed to creating an inclusive workplace. 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