Software Engineer - Python + React

Salary: Competitive

Location: Braintree, Essex

Work Pattern: Hybrid

Opportunity Overview

We are partnering with an innovative technology company operating in the utilities sector. They are developing a cloud-native platform that integrates software, hardware, and distributed energy assets to enable real-time monitoring, control, and automation at scale.

This is an excellent opportunity for a Mid-Level Software Engineer to join a high-performing team, working on complex, real-world challenges across IoT, distributed systems, and scalable infrastructure. You will play a key role in building and evolving a platform that supports thousands of connected devices in the field.

Key Responsibilities

Develop and maintain scalable backend services using Python (Django) and AWS Design and build robust APIs and data models for both internal and customer-facing applications Work with IoT communication protocols (e.g. MQTT, HTTP) to integrate with field devices Contribute to the development of frontend interfaces using React Build and optimise pipelines for ingesting and querying large-scale time-series data Collaborate with cross-functional teams including hardware and edge engineering Troubleshoot and resolve production issues in a fast-paced environment Contribute to system design, architecture discussions, and technical decision-making Support end users and work closely with customer teams to deliver reliable solutions

Essential Skills and Experience

Strong experience with Python or another backend programming language Experience or exposure to Django and React Solid understanding of SQL and relational database design (MySQL preferred) Experience working with cloud platforms (AWS preferred) Familiarity with containerisation technologies such as Docker Good understanding of RESTful API design Strong problem-solving skills with a hands-on, proactive approach

Desirable Experience

Experience with event-driven or microservices architectures Familiarity with time-series databases or large-scale data pipelines Exposure to IoT systems or distributed device environments Interest in renewable energy, infrastructure, or industrial technology Experience with modern frontend frameworks such as Next.js

What's on Offer

Opportunity to work within a small, high-impact engineering team Significant ownership and influence over technical direction Exposure to cutting-edge technologies and complex, meaningful projects Collaborative environment with experienced engineers and leadership Flexible hybrid working arrangements Strong opportunities for professional growth and progression

Application Process

If you're interested in this opportunity, please apply with your CV and a brief overview of your relevant experience. Examples of projects or technologies you've worked with would be highly beneficial