Software Engineer

Constant Recruitment Ltd; Essex; On-site; GBP 42,000 - 50,000; Full time

Job summary

A fast-growing technology company in the UK is seeking a Software Engineer with 2+ years of C# development experience. The role involves designing and testing backend services, developing automated tests, and collaborating closely with senior engineers to enhance skills. Ideal candidates possess a strong understanding of Computer Science fundamentals and excellent communication skills. This role offers growth opportunities in a supportive and innovative environment.

Benefits

Exposure to varied projects

Mentorship from experienced engineers

Qualifications

• 2+ years’ professional experience in C# development.
• Strong understanding of Computer Science fundamentals (data structures, networking, concurrency).
• Knowledge of OOP principles.
• Experience working with building and consuming APIs.
• Proficiency with Microsoft SQL Server or similar DBMS.

Responsibilities

• Design and develop automated unit, regression, and integration tests.
• Develop and test backend services across both cloud and on-premise deployments.
• Design and implement new features as the product suite evolves.
• Investigate and resolve software support issues, including customer-facing interaction.

Skills

C# development

APIs

SQL Server

OOP principles

Problem-solving

Communication skills

Education

Degree in a scientific or technical discipline

Tools

GIT

Job description

Software Engineer

Location : Bishops Stortford

Salary : Up to £50k

Do you have two years software development experience?

Do you have a strong foundation in C# development? Would you enjoy working on projects that involve data integrations, security systems, and enterprise‑scale solutions?

This role is ideal for someone with around 2 years’ experience, looking to build on their skills with mentoring from senior engineers.

The Company

Our client is a fast‑growing technology business that designs and delivers bespoke software solutions, data integrations, and consultancy services. Since their launch in 2020, they have built a strong reputation for developing custom integrations between third‑party systems and access control / security platforms, supporting sectors including higher education, commercial real estate, healthcare, and defence.

Now part of a larger international group, they are expanding their UK‑based engineering team and looking for a Software Engineer with skills in C# and SQL to join them. You’ll be working closely with senior engineers, gaining hands‑on experience, and supporting clients across the UK, Europe, and North America.

What you will be doing

As C# Software Engineer, you will :

• Design and develop automated unit, regression, and integration tests
• Develop and test backend services across both cloud and on‑premise deployments
• Design and implement new features as the product suite evolves
• Deploy custom solutions remotely to client systems
• Investigate and resolve software support issues, including customer‑facing interaction
• Write technical documentation and produce supporting materials
• Contribute to code reviews, improving quality and learning from senior colleagues
• Collaborate with end users and partners to ensure smooth delivery

You will be mentored by experienced engineers and have the chance to work with clients ranging from universities to global Fortune 100 and FTSE 250 companies.

What we are looking for

We are looking for someone with a solid technical foundation, an eagerness to learn, and strong communication skills. The ideal candidate will have :

• 2+ years’ professional experience in C# development
• Strong understanding of Computer Science fundamentals (data structures, networking, concurrency)
• Knowledge of OOP principles
• Experience working with APIs (building and consuming)
• Proficiency with Microsoft SQL Server or similar DBMS
• Basic familiarity with GIT or another source control system
• Clear and confident written and spoken English for remote collaboration
• Ability to prioritise, stay organised, and work well under pressure
• Permission to live and work full‑time in the UK (visa sponsorship not available)

It’s also a bonus if you have :

• A degree in a scientific or technical discipline from a leading university
• Experience in a customer‑facing role
• A proactive and curious mindset, keen to explore new technologies

Why apply?

This is a fantastic opportunity to progress your Software Development career with a company that will invest in your growth. You will gain exposure to varied projects, work alongside experienced engineers, and develop your skills in a supportive, innovative environment