Mid-Senior Software Developer (.NET / Python)

Mid-Senior Software Developer to join a growing software engineering team delivering mission-critical solutions within logistics, automation and industrial environments.

This role offers the opportunity to work on the design, development and deployment of scalable software platforms that integrate with advanced operational technologies, warehouse systems, robotics, and enterprise applications. The successful candidate will play an active role in developing new functionality, enhancing existing products, and supporting customers throughout the software lifecycle.

The position is ideal for a developer who enjoys solving complex technical challenges, collaborating with multidisciplinary teams, and working on software that powers real-world operational systems.

Key Responsibilities

Design, develop and maintain scalable software applications using .NET and Python
Build and support RESTful APIs and backend services
Develop integrations between internal platforms and third-party applications
Work closely with project teams to gather requirements and design technical solutions
Contribute to software architecture, system design and technology selection
Develop robust database solutions and optimise application performance
Support testing, deployment and commissioning activities
Troubleshoot software defects and identify root causes of issues
Participate in code reviews and promote software engineering best practices
Produce technical documentation including functional specifications, API documentation and deployment guides
Work within Agile development methodologies and contribute to sprint planning activities
Support continuous improvement initiatives and platform innovation
Collaborate with stakeholders to ensure project objectives and delivery milestones are achieved
Support production systems and provide technical assistance where required

Technical Requirements

Essential

Strong commercial experience developing applications using C# and .NET
Commercial Python development experience
Experience building REST APIs and service-oriented architectures
Strong understanding of software design principles and object-oriented programming
Experience working with PostgreSQL, SQL Server or other relational databases
Knowledge of database design, optimisation and query development
Experience integrating software systems and third-party applications
Proficient with Git source control and modern development workflows
Experience using Docker and containerised deployments
Strong debugging and troubleshooting capabilities
Excellent communication and problem-solving skills

Desirable

FastAPI, Flask or Django
RabbitMQ or other messaging technologies
Microservices architecture
CI/CD pipelines
Azure or cloud-hosted environments
Linux environments
AI/LLM integrations and automation tooling
Warehouse Management Systems (WMS)
Warehouse Control Systems (WCS)
Robotics, AMR or ASRS technologies
Industrial automation experience

To find out more about Computer Futures please visit

Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales
Only candidates based in UK and eligible to work in UK are allowed