Senior Full-Stack Engineer

7 months ago
Full time role
Hybrid · Remote · London, England, GB... more
Hybrid · Remote · London, England, GB... more

Job Description


Pledge empowers transport and logistics leaders to reach their sustainability goals through its accredited and integrated software. With a focus on accessibility and transparency, Pledge allows users to start measuring, reducing and removing their carbon emissions in minutes with its self-serve product, giving customers the confidence they need to take credible and impactful climate action in logistics supply chains.

Founded by early Revolut employees, David de Picciotto and Thomas Lucas, and Freetrade’s co-founder and former CTO, André Mohamed, Pledge's team draws on its experience building scalable businesses in the regulated and complex payments and capital markets industries and applies it to help decarbonise some of the highest emitting industries on the planet.

Pledge recently secured $10 million in Series A funding to continue building best-in-class products to drive its mission to help businesses reach net zero emissions.


You'll be a core team member of Pledge's engineering team and will play a defining role in the building and the quality of our products. You’ll work directly with the founders and be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

Pledge works with B2B customers across a range of sectors including logistics, transportation and e-commerce amongst others.


  • Defining the design and creation of scalable software

  • Working as part of a cross-functional agile team including developers, product design, product management and other stakeholders in order to ideate software solutions

  • Designing and developing client-side and server-side applications

  • Designing and developing modern and secure internal and public APIs

  • Writing clean, documented and functional code

  • Testing software to ensure responsiveness and efficiency

  • Troubleshooting, debugging and upgrading software

  • Writing technical documentation

  • Working with data scientists and analysts to improve software


  • Proven experience as a full-stack developer, ideally working on B2B SaaS products and APIs

  • Working knowledge of various tools, open-source technologies and common stacks

  • Knowledge and experience of industry best practices and tools

  • Experience developing web based applications

  • Experience with the stack used at Pledge: React.JS, Node.JS, TypeScript, GraphQL, PostgreSQL, ElasticSearch, AWS

  • Experience with Git, Docker and CI/CD

  • Experience with serverless architecture, e.g. AWS Lambda

  • Worked at a large tech company or high growth startup


  • You share Pledge’s mission to enable businesses to take action on their climate impact

  • An appetite for technical and technological challenges

  • Staying abreast of developments in web applications and programming languages

  • Awareness of Development and Agile principles

  • You can work autonomously and take ownership with a high degree of integrity

  • Excellent organisational and time management skills, and the ability to work on multiple projects at the same time

  • You operate best without lots of bureaucracy

  • You approach work in a logical way and operate from first principles


  • Generous stock options - we are all owners of Pledge

  • Competitive salary

  • 25 days holiday (excl. bank holidays) increasing by 1 day each year of employment

  • Pension plan

  • Private health insurance (You’ll have full access to private online GP appointments, mental health support, and a Care Hub)

  • Cycle to work scheme

  • Regular team socials

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