Job Description

Junior Full-Stack .NET Developer

Location:

Hertfordshire (Fully Onsite)

Salary:

30,000 per annum

Job Type:

Permanent / Full-time

Interview Process:

Two stages

A growing cybersecurity and authentication technology company is seeking a

Junior Full-Stack .NET Developer

to join their engineering team. The company builds cutting-edge multi-factor authentication (MFA) and identity security solutions used by enterprises around the world.

This is an exciting opportunity for a developer with at least

1 year of commercial C#/.NET experience

to deepen their skills across full-stack development, security technologies, and authentication platforms.

The Role:

You'll be contributing to the development of secure, high-performance software powering the company's authentication platform and related tools. The work spans both frontend and backend development, with a strong emphasis on reliability, security, and integration with platforms like Microsoft 365 and Azure AD.

Key Responsibilities:

Develop and maintain frontend and backend components using C# and .NET Build responsive web interfaces for admin and end-user portals Develop secure APIs and services for authentication workflows Integrate with external platforms (e.g., Microsoft 365, VPNs, Azure AD) Collaborate with QA and security teams to ensure high standards of security and performance Participate in code reviews, testing, and technical documentation

What You'll Need:

At least 1 year of hands-on experience with C# and .NET (Core or Framework) Strong foundation in web development: HTML, CSS, JavaScript Understanding of RESTful APIs, JSON, and HTTP Experience working with relational databases like SQL Server Good problem-solving skills and a security-first mindset

Working Arrangement:

This is a

fully onsite

role based in Hertfordshire with opportunities for hands-on learning and mentorship in a focused, security-first engineering environment.

Job Types: Full-time, Permanent

Pay: 25,000.00-35,000.00 per year

Benefits:

Company pension Employee discount On-site parking Private medical insurance Referral programme Sick pay Work from home
Ability to commute/relocate:

Potters Bar EN6 1DG: reliably commute or plan to relocate before starting work (preferred)
Work Location: In person