Senior Developer – OT App development

Company: United States Digital Space LLC
Apply for the Senior Developer – OT App development
Location: Reading
Job Description:

Base Location

You’ll be expected to spend 50% of your working week in one of the following locations: Reading, Perth, Glasgow.

Salary

£64,085 – £76,581+ performance‑related bonus + a range of benefits to support your finances, wellbeing and family.

Working Pattern

Permanent | Full Time | Flexible First options available.

The Role

We are seeking a highly motivated Technical Specialist to join the Energy Markets IT/OT team, you will contribute to technical support in ensuring the ongoing maintenance, and developed service improvements to, our core applications and products. With a level of guidance and support, role holders apply their knowledge to the diagnosis and resolution of incidents, problems and in the development of technical solutions to satisfy business requirements.

You Will

  • Diagnose and resolve OT/IT incidents and problems with minimal support, including participation in escalation processes.
  • Provide support, estimation, design, and development input for new enhancements to core OT/IT applications, working to defined standards.
  • Support monitoring and reporting of system performance and implement configuration changes as needed.
  • Assist with release, change management, impact assessments, deployments, and regression testing for technical changes and patches.
  • Validate and verify technical deliverables through QA and test processes, ensuring quality throughout the development lifecycle.
  • Ensure access and security of development assets, follow cybersecurity standards, and report risks to protect against loss and attacks.

You Have

  • Relevant qualification or experience within OT/IT sectors.
  • Excellent C# & JavaScript skills (Thingworx and IOT skills beneficial).
  • Experience in Renewable Generation preferably Battery Energy Storage.
  • Excellent technical computing, analysis, design and development skills to a proven professional level.
  • A systematic, disciplined and analytical approach to problem solving.

Benefits

Enjoy discounts on private healthcare and gym memberships. Wellbeing benefits like a free online GP and 24/7 counselling service. Interest‑free loans on tech and transport season tickets, or a new bike with our Cycle to Work scheme. As well as generous family entitlements such as maternity and adoption pay, and paternity leave.

Equal Opportunity Employer

the company will make any reasonable adjustments you need to ensure that your application and experience with us is positive. Please contact hr@unitedstatesdigital.space to discuss how we can support you.

We’re dedicated to fostering an open and inclusive workplace where people from all backgrounds can thrive. We create equal opportunities for everyone to succeed and especially welcome applications from those who may not be well represented in our workforce or industry.

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Posted: July 6th, 2026