Senior Python Developer E-Commerce

City Science; United States; Remote; USD 66,000 - 79,000; Full time

Benefits offered by this job

25 days annual leave

Bank holidays

Group pension scheme

Enhanced maternity/paternity policy

Eye care policy

Cycle to work scheme

Buy/sell annual leave

Job summary

City Science is seeking a Senior Python Developer to join our five-person energy development team. You will design and implement Python packages building on the Home Energy Model, enabling the next generation of energy performance tools.

You may manage one or more developers, supported by our leadership training. We value hands-on coding excellence, strong Python expertise, and a track record in production-grade software, ideally in data-rich or scientific contexts.

Qualifications

• Strong professional experience as a Python developer, at or near senior level.
• Excellent command of Python and its ecosystem, including libraries and tooling.
• A track record of building production-grade applications, ideally in data-rich or scientific domains.

Responsibilities

• Design, build and improve Python packages for modelling, simulation and data processing.
• Lead the design and implementation of Python packages on the Home Energy Model.
• Line manage one or more developers and support their development.
• Maintain high code quality through testing, documentation and thorough code reviews.

Skills

Python development

Production-grade apps

Data-rich domains

Geometric/Building physics

Team leadership

Tools

Cadence GIS

Job description

Senior Python Developer Salary: From £50,000 per annum, depending on experience Location: Remote, open to candidates anywhere in the UK. Permanent, 32 40 hours per week. We are flexible on working pattern, so please tell us what suits you in your application. We welcome applications from all suitably qualified candidates regardless of sex, gender identity, age, disability, ethnicity, religion or belief, sexual orientation, or any other protected characteristic. We are looking for a Senior Python Developer (or someone operating close to senior level) to join our five-person energy development team. You will help lead the design and implementation of Python packages building on the Home Energy Model that will enable the next generation of energy performance assessment. You will work closely with DESNZ, external collaborators, our internal domain experts and your dev team, turning tangible and pressing user needs into reliable, maintainable Python software. You may already manage one or more
developers, or you may be ready to take that step, supported by our programme of leadership and management training. Either way, you will help the people you manage to do their best work and develop their careers. Design, build and improve Python packages for modelling, simulation and data processing. Turn analytical and modelling needs into shippable software. Line manage one or more developers: regular one-to-ones, objective setting, performance reviews and support for their development. Maintain high code quality through testing, documentation and thorough code reviews. Own your deliverables and keep projects moving with urgency and accountability. City Science is an SME founded in 2015 with one core mission: delivering decarbonisation. We help organisations that are serious about net zero achieve meaningful, quantifiable carbon reductions quickly and efficiently. We work collaboratively across the business to provide integrated solutions for a wide range of clients, from national
bodies such as DESNZ and the Climate Change Committee (CCC) to forward-thinking local authorities such as Oxfordshire County Council. Our award-winning research, software and product development team builds innovative digital tools, such as our GIS software, Cadence, that sit at the heart of how we deliver our projects. Strong professional experience as a Python developer, at or near senior level. Excellent command of Python and its ecosystem, including libraries, tooling and best practice. A track record of building production-grade applications, ideally in data-rich or scientific domains. A strong grasp of geometry and physics, ideally including building physics. Experience supporting the growth of more junior engineers, such as onboarding or coaching. Excellence: You hold high standards in your code, your solutions and your engineering decisions. Data Driven: You use evidence, analytical thinking and testing to guide your choices. Meritocracy: You value competence and fairness, and you help raise the bar for everyone around you. Entrepreneurial: You are resourceful and creative, and you bring ideas that move the business forward. Fully remote working , with optional access to our offices in Birmingham, Bristol, Exeter and London whenever you want them. Flexible working hours to support a healthy work life balance. A talented, friendly and supportive team of engineers, data scientists and domain experts. Impactful projects in decarbonisation and sustainability. Real opportunities to grow, including as a people leader, and to shape exciting new products and capabilities. 25 days annual leave, plus bank holidays. Buy/sell annual leave policy. Membership of our group pension scheme. Enhanced maternity and paternity policy. Eye care policy. Cycle to work scheme. Employee assistance programme. Examples of projects that show your technical skills.