17 permanent, Software developer jobs in South East England

Principal Systems Engineer(Software/Simulation) Portsmouth-Broad Oak Competitive Salary 10-20% Bonus My client a multinational Aerospace & Defence organisation are looking for a Principal Systems Engineer to join their team working on a hybrid basis. You will...

Software Engineer (C#, C++ or Python, ML, STEM Degree)

27 January 2026
Hays Specialist Recruitment - Oxford, Oxfordshire, OX5 1QU
£45,000 to £65,000 per year
Hybrid remote
Permanent
Full time

Software Engineer (C#, C++ or Python, ML, STEM Degree) Oxford - 3-4 days per week in office. £45000 - £65000 Package. - Must have a Computing/STEM Degree (2:1 or higher). - Can work in their Oxford head office 3-4 days week. Your new company You'll be joining...

Software Engineer (C#, C++ or Python, ML, STEM Degree)

20 February 2026
Hays Specialist Recruitment - Oxford, Oxfordshire, OX5 1QU
£45,000 to £68,000 per year
Hybrid remote
Permanent
Full time

Software Engineer (C#, C++ or Python, ML, STEM Degree) Oxford - 3-4 days per week in office. £45000 - £68000 Package. - Must have a Computing/STEM Degree (2:1 or higher). - Can work in their Oxford head office 3-4 days week. Your new company You'll be joining...

Software Engineer (Numerical Modelling, AI/ML, C++/Python)

04 February 2026
Hays Specialist Recruitment - Guildford, Surrey, GU2 7YB
£65,000 to £100,000 per year
On-site only
Permanent
Full time

Innovation Software Engineer (Numerical Modelling, AI/ML, C++/Python) Guildford, Surrey (On-site) £65000 - £100,000 25% Bonus, 10% Pension, Private Medical. - A Masters or PhD Degree in Computing or STEM disciplines. - Can work full-time, 5 days a week in ...

Control Systems Engineer

23 February 2026
Carbon60 - Dartford, Kent, DA17 6AH
£60,000 to £70,000 per year
Permanent
Full time

PLC Control Systems Engineer Our client is growing their in‑house Controls team and need an experienced Control Systems Engineer who can take ownership across the full lifecycle: design, PLC/HMI/SCADA development, FAT/SAT, and on‑site commissioning. If you ...

Full Stack Developer

29 January 2026
Ecruit - Isle of Wight
On-site only
Permanent
Full time

Full Stack Developer- Competitive Salary DOE– Ryde, Isle of Wight/ Remote The Role Do you enjoy building clean, reliable software that users genuinely depend on every day? Ready to take ownership of features from concept to release while working with modern ...

Workflow/Business Process Developers (App Support, Debugging)

12 February 2026
Hays Specialist Recruitment - Crawley, West Sussex, RH10 1BG
£40,000 to £55,000 per year
Hybrid remote
Permanent
Full time

Workflow/Business Process Developers (App Support, Debugging) Gatwick (2 days per week in office) £40-55k Benefits. Must haves: - Must work 2 days per week in the Gatwick Office. - This role cannot offer Visa Sponsorship. Roles Available - 1x Full Time ...

Software Engineer (C#, C++, Python, TDD, Applied Engineering)

29 January 2026
Hays Specialist Recruitment - Oxfordshire, OX5 1QU
£45,000 to £70,000 per year
Hybrid remote
Permanent
Full time

Software Engineer (C#, C++, Python, TDD, Applied Engineering) Oxford - 4 days per week in office. £45000 - £70000 Package. - Must have a Computing/STEM Degree (2:1 or higher). - Can work in their Oxford head office 4 days a week. Your new company You'll be ...

DevOps Platform Engineer (80% On-Prem, 20% Cloud)

17 February 2026
Hays Specialist Recruitment - Horley, Surrey, RH6 7DE
£45,000 to £60,000 per year
Hybrid remote
Permanent
Full time

DevOps Platform Engineer (80% On Prem, 20% Cloud) Gatwick (1 day per week in office). £45000 - £60000 Benefits. This role cannot offer Visa Sponsorship. Your new company I am engaged on a project to recruit the 1st Platform Engineer for a growing Tech For ...

Software Engineer (C#, C++, Python, TDD, Applied Engineering)

20 February 2026
Hays Specialist Recruitment - Oxfordshire, OX5 1QU
£45,000 to £70,000 per year
Hybrid remote
Permanent
Full time