Senior Software Engineer
First seen by Alion on May 19, 2026. CDP scores B on the Alion truth index.
Title - Senior Software Engineer
Salary: £70,000 - £80,000
Location - London
About CDP:
CDP is a global non-profit that runs the world’s only independent environmental disclosure system. As the founder of environmental reporting, we believe in transparency and the power of data to drive change.
Partnering with leaders in enterprise, capital, policy and science, we surface the information needed to enable Earth-positive decisions. We helped more than 24,800 companies and almost 1,000 cities, states and regions disclose their environmental impacts in 2024. Financial institutions with more than a quarter of the world’s institutional assets use CDP data to help inform investment and lending decisions.
Our team is truly global, united by our shared desire to build a world where people, planet and profit are balanced. Visit cdp.net or follow us @CDP to find out more.
About the Team:
The Scoring Engineering team is responsible for building and maintaining CDP’s scoring capabilities. We work in a cross-functional squad, collaborating closely with product, design, QA, and infrastructure to deliver improvements in scoring efficiency, accuracy and proficiency.
About this role:
As a Senior Software Engineer, you will play a key role in designing, developing, maintaining and improving CDP’s central digital platform. You will contribute technical expertise to scalable systems development, mentor other engineers, and work cross-functionally to deliver high-quality solutions that support CDP’s environmental mission.
What you will do:
Report to a Lead Engineer and work collaboratively within a cross-functional squad
Write clean, high-quality, well-documented code using modern programming languages and frameworks (React, TypeScript, NodeJS, Python)
Perform regular code reviews to uphold high standards of quality, maintainability, and security
Optimise application performance and ensure the scalability of core systems
Contribute to architectural and design decisions in partnership with product and engineering leads
Help refine requirements and offer technical insight during sprint planning and reviews
Maintain and improve internal technical documentation
Mentor junior engineers and support peer learning and technical growth
Stay informed on emerging technologies and propose relevant improvements
Actively contribute to an effective and engaged team, clear on its purpose and contribution, by:
Ensuring you know what is expected of you, through regular 1:1’s, having clear objectives in place, and participating in open and honest performance and development conversations
Ensuring a respectful and inclusive workplace, where team members communicate openly, share knowledge so it can be used, and respect difference.
Living the CDP Values and demonstrating the behaviours appropriate to your position.
Internal stakeholders: Engineering, Product, QA, UX/UI, DevOps
External stakeholders: None (unless integrating with third-party APIs or platforms)
We're looking for:
Strong hands-on experience with React, TypeScript, NodeJS, and Python
Experience building cloud-native solutions on Microsoft Azure (e.g. Azure DevOps, Azure Data Factory, Synapse, Power BI)
Familiarity with infrastructure-as-code tools like Terraform (preferred)
Comfort working in Agile and DevOps environments
Experience contributing to large-scale, multi-product software systems
Strong communication skills and ability to collaborate across teams
Knowledge or interest in climate tech, sustainability, or environmental data platforms
Nice to have:
experience with AI, knowledge of AI tools and systems
Salary and benefits: The salary banding for this role is £70,000 - £80,000/year, 30 days’ holiday plus bank holidays, generous non-contributory pension provision, Employee Assistance Programme, life assurance, training and development, flexible working opportunities and other benefits.
Final offer amount depends on multiple factors such as candidates experience and expertise, geographic location, total compensation, and market data.
This is a permanent role based at CDP’s London office. Interested applicants must be eligible to work legally in the UK and live within a commutable distance of the London office and be comfortable with 2 days in the office per week. We cannot sponsor this role.
Before you apply :
We’ll only use the information you provide to process your application. For more details on how we use your information, see our applicant’s privacy notice. By uploading your CV and covering letter, you are permitting CDP to use the information you have provided for recruitment purposes.
How to apply:
Please upload your CV in English via the application form. Applications will be reviewed on a rolling basis so early applications are encouraged.