Lead Software Developer
Employer: CLEO Systems
Location: Remote (UK-based) | Occasional travel to Ashford, Kent (approximately twice a year)
Working hours: 37.5 hours per week
Salary: up to £75,000 (dependent on experience)
Closing date: 17 April, 2026
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CLEO Systems is a wholly owned subsidiary of Integrated Care 24 (IC24), the UK’s leading not-for-profit social enterprise delivering innovative, patient-focused primary care services.
Our mission is Clinical Excellence Online (CLEO) — using technology to improve access to health and social care, reduce pressure on secondary care, and put patients first, not paperwork. IC24 supports over 6 million patients nationwide across NHS 111, GP out-of-hours, primary care, and secondary care services.
With over 20 years of software expertise, we work in close collaboration with the NHS to deliver solutions across secondary care outpatients, integrated urgent care, community services, urgent treatment centres, and pharmacy settings.
Our Ethos
Integrity – We do the right thing
Creativity – We find the best solutions
Collaboration – We work together to deliver
The Role
As a Lead Software Developer, you’ll lead the design, development, and optimisation of CLEO Systems’ mission-critical software solutions. You’ll mentor and manage a team of developers while playing a key role in architectural decision-making and delivery of high-performance, scalable applications that directly support patient care.
Key Responsibilities
Collaborate with the Technical Design Authority to propose and implement architectural improvements
Design and develop complex backend systems using modern cloud technologies
Optimise application performance while maintaining data integrity and high-quality standards
Ensure seamless integration with databases, APIs, and third-party systems
Lead, mentor, and develop a high-performing software development team
Drive innovation and ensure delivery aligns with CLEO Systems’ strategic goals
Essential Criteria
A minimum of 6 years’ experience as a Software Developer
Strong experience with Golang, including TDD and unit testing
Hands-on experience with AWS (EC2, S3, RDS, Lambda)
Proficiency with ALM tools such as JIRA and GitHub
Strong SQL skills including schema design and scripting (MSSQL & PostgreSQL)
Experience integrating third-party solutions via APIs, messaging, or web services
Solid understanding of web technologies, including HTML5 and JavaScript
What’s In It for You?
Salary up to £75,000 (dependent on experience)
Additional £3,000 on-call allowance
Generous annual leave including bank holidays
6% employer pension contribution (NEST)
Private medical insurance via Benenden Health (option to add family cover available)
Laptop and full home-working kit provided
Heartbeat wellbeing programme with discounts and resources
Free, confidential 24/7 counselling service
Ongoing learning and development opportunities
Interview Process
We believe interviews should be a two-way conversation. Our process typically includes:
Introductory call (45 minutes) with our Principal Software Architect
Technical stage – a Go coding challenge
Final interview – discussion of the challenge and further questions
Due to the nature of this position, employment is subject to proof of eligibility to work in the UK, completion of a satisfactory basic DBS disclosure and two references.
For a job description and person specification please see attached
Closing date: Friday 17th April 2026
This advert may close sooner if sufficient applications are received
At CLEO Systems, we celebrate brave ideas and brave people.
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