Senior Software Engineer | Work From Home (WFH)

About Us

Pledge , now part of Blue Yonder , was a London-based climate-tech startup built to help companies take control of their logistics emissions. We developed a platform that enables businesses to accurately measure, manage, and reduce their carbon footprint, with a particular focus on transportation and supply chain emissions.Following our recent acquisition by Blue Yonder , a global supply chain leader, we are scaling our vision and technology across industries and regions. We''re now embedded within Blue Yonders Sustainability Product Team , maintaining our agile, mission-driven culture while benefiting from the scale and resources of a global enterprise.The Role

We are looking for a Senior Full-Stack Engineer with a strong backend focus in Python and experience across the modern cloud and web stack. This is an opportunity to shape the next generation of our emissions intelligence platform, contributing to everything from backend infrastructure and data pipelines to web-based tooling and APIs.Youll work closely with a cross-functional team of engineers, product designers, data scientists, and sustainability specialists. Were looking for someone who is not only a strong coder but who thinks critically about maintainability, scalability, and software architecture , and whos motivated by our mission to accelerate the worlds transition to net zero.Youll contribute to both product and platform initiatives: building end-to-end features, designing robust emissions models, and helping us evolve our stack, tooling, and engineering practices.What Youll Be Doing

Engineering and Architecture- Design, build, and maintain modern backend services and APIs using Python (or Typescript) and industry best practices.

- Develop and support internal and external APIs and tools running on AWS Lambda , and other cloud-native services.

- Write clean, testable, secure, and efficient code with a strong emphasis on maintainability, readability, and performance.

- Contribute to our emissions calculation engine and routing logic, working alongside sustainability and data science teams to embed accurate methodologies and datasets.

Full-Stack Development- Collaborate on frontend features using React , TypeScript , and GraphQL to deliver user-friendly, performant web interfaces.

- Build scalable client- and server-side functionality in a full-stack context, often working across the Python and JavaScript/TypeScript boundary .

Collaboration and Agile Development- Participate in all phases of the product development lifecycle including grooming, planning, standups, retrospectives, and reviews.

- Infrastructure and DevOps- Use tools like

Docker

,

Gitlab

,

GitHub Actions

, and

Terraform

to ensure repeatable deployments and high availability.

Data Infrastructure and Emissions Modeling- Build and manage

ETL workflows

using services like

AWS Glue

or orchestration tools.

- Collaborate with data scientists and sustainability experts to bring methodological rigor to our models.

5+ years of professional software engineering experience with a strong track record of backend development using

Python

.

- Solid experience with cloud platforms, particularly

AWS or Azure

, and serverless infrastructure such as

Lambda

,

API Gateway

,

Glue

,

DynamoDB

, etc.

- Proven experience building

RESTful

and/or

GraphQL

APIs.

- Comfortable developing and debugging in full-stack applications involving

React

,

TypeScript

,

PostgreSQL

, and

Node.js

.

- Strong SQL and data modeling skills; experience with relational and non-relational databases.

Proficiency with

Docker

,

Git

,

CI/CD pipelines

, and modern DevOps workflows.

- Experience in agile development environments using methodologies like

Kanban

or

Scrum

.

- Qualities We Value- High standards for code quality, clarity, and documentation.

- Interest in algorithms, emissions modeling, and data-driven approaches to complex domains.

- A passion for sustainability, climate tech, and using software to create real-world impact.

Experience with high-scale data processing (e.g.,

Contributions to open-source Python tooling or emissions-related libraries.

- All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran ..... full job details .....