Tech jobs

Backend Software Developer

Open 25d UKMiddle

Analytics API Authentication AWS Cloud +18 skills

Develops IoT firmware and cloud services for advanced devices, using Python, REST APIs, and AWS while prototyping new products.

Octopus Group

Lead Backend Engineer — Green Tech Platform (Remote)

Open 25d UKLead

Lead backend development for a green-tech platform integrating EV chargers, solar energy, and heat pumps into homes, ensuring seamless customer experiences.

Toogoodtogo

Open 25d UK Licensed UK sponsor

Backend Engineer – Build Global Impact (Remote)

AWS Docker Java Kubernetes MySQL +1 skills

Build and maintain scalable backend services for an international food-waste reduction app using Java, Spring Boot, MySQL, AWS, Docker and Kubernetes.

aalyria-careers

Senior Backend Engineer - Distributed Systems & GPU - Remote

Designs and builds distributed systems for aerospace-grade communications, optimizing pipelines and owning software from inception to production.

Distributed Systems

ONI

Senior Software Engineer (Front End)

Accessibility Agile AI API Automation +21 skills

Build and maintain React/TypeScript front-end applications for automated super-resolution microscopy, collaborating with UX, QA, and backend teams to deliver high-performance scientific software.

she does data.

Remote Senior Backend Engineer - Python & Scale for Impact

Open 25d RemoteUKSenior

Senior Backend Engineer builds and scales Python-based services and APIs for a climate-focused data platform in a fast-paced startup.

Hybrid DevOps Engineer — Cloud, CI/CD & Space Tech

Open 25d HybridUK

Builds and deploys cloud-based CI/CD pipelines for space-industry software, automating deployments and collaborating with engineering teams to improve quality and delivery speed.

CI/CD DevOps

SLR Planetrics ltd

React UI Engineer — Sustainability & Finance Apps

Aalyria Technologies, Inc.

Builds responsive, accessible React.js interfaces for sustainability and finance platforms, integrating with backends and contributing to design systems.

CSS Figma HTML React

Senior Backend Engineer — Remote UK, GPUs & Systems

Senior Backend Engineer building scalable distributed systems for aerospace communications, optimizing core software and driving production-ready solutions.

Distributed Systems

Treefera

Frontend Product Engineer (Full Stack)

AI API NestJS Python React +1 skills

Build full-stack features in TypeScript, React and NestJS to deliver environmental-intelligence dashboards and APIs that turn satellite and AI data into actionable supply-chain insights.

Kraken

Backend Engineer, Commercials Platform (Remote)

Builds backend services in Python/Django to improve client sales processes for a sustainable energy platform.

Django Python

Best.Energy

Open 25d HybridUKFull-time

Front-end Developer (React)

Accessibility Analytics API Authentication JavaScript +1 skills

Develop React-based energy management dashboards and data visualizations that turn complex energy data into actionable insights for businesses.

32K – 42K £

Treefera

Frontend Product Engineer - Full-Stack (Equity Options)

API NestJS React TypeScript

Builds user interfaces and APIs in TypeScript, React, and NestJS to deliver environmental intelligence software that helps value nature in decision-making.

Kraken Technologies UK

Senior Backend Engineer — Python/Django (Remote UK)

AWS Cloud Cloud Native Django Machine Learning +1 skills

Builds and maintains a cloud-native platform in Python/Django, processing utility data and integrating it with ML pipelines on AWS.

Granular Energy

Open 25d UK Licensed UK sponsor

Backend Engineer – Climate Tech Platform (Remote)

Builds backend services for a 24/7 clean energy platform using Python and AI to optimize energy production and consumption.

AI Python

MyPetroCareer.com

Open 25d UKPart-timePrincipal

DevOps Software Engineer (Senior – Principal)

Active Directory Agile Ansible Automation AWS +30 skills

Senior DevOps engineer building and maintaining cloud and on-premises infrastructure, CI/CD pipelines, and automation tooling for a subsurface energy evaluation product using AWS/Azure, Terraform, and Kubernetes.

TransitionZero

Frontend Engineer: AI-Driven UI for Energy Modeling