Junior .NET Developer jobs in Hertfordshire

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will support each other on Design & Build projects, develop coordinated designs, liaise with project managers and site teams, and gain real ownership of your work as your experience grows.

Job Description Junior Acoustics Engineer (Full training supplied) We are seeking a motivated person who would be interested in training to become a Junior Acoustic Engineer to join a busy engineering and design department in the Hertford head office. This is an excellent opportunity for a graduate or someone early in their professional career, looking to start in an ever-growing Acoustics...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

You will work closely with our Senior Account Managers, supporting existing client accounts while learning how to identify and develop new business opportunities.

You will be supported and trained to become a trusted point of contact for clients, helping to understand their needs and contribute to solutions that deliver real value.

Junior IT Recruitment Consultant (360) Watford | High-Growth Data Recruitment Start-Up | Immediate Start OTE Year 1: £45k–£60k+ (uncapped) OTE Year 2: £70k+ This role is ideal for an early-career recruitment consultant who has already built a solid foundation and is now looking for stronger training, broader exposure, and increased responsibility. Sustain Talent is proud to represent a...

You will be trained in all aspects of: . NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months.

Job Title: Junior Assembly Technician Job Type: Temporary to Permanent Location: Letchworth Garden City Working Hours: Monday to Friday, 9.00am till 5.30pm Hourly Rate: £12.21 per hour (21 years of age+) / £10.00 per hour (18-20 years of age) Our award winning client based in Letchworth Garden City are currently looking for a Junior Assembly Technician to join their team on a Temp to Perm basis,...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

.NET Developer – Harpenden (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years’ experience in the fashion industry, our client has a mission to change the way people find clothes they love by combining technology with the personal touch of seasoned style experts. Our...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will work closely with our Senior Account Managers, supporting existing client accounts while learning how to identify and develop new business opportunities.

You will be supported and trained to become a trusted point of contact for clients, helping to understand their needs and contribute to solutions that deliver real value.

About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‐standing third‐party clients, we're scaling our own SaaS product—Spark...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

You will work closely with our Senior Account Managers, supporting existing client accounts while learning how to identify and develop new business opportunities.

You will be supported and trained to become a trusted point of contact for clients, helping to understand their needs and contribute to solutions that deliver real value.