.Net Software Engineer

The Role

We're looking for a Mid-Level .NET Software Engineer to help build and evolve modern cloud-native applications used by enterprise customers.

This is a hands-on software engineering role where you'll work across backend services, cloud infrastructure, APIs, and data platforms to deliver secure, scalable, and reliable solutions. You'll collaborate closely with experienced engineers, product stakeholders, and cross-functional teams to solve complex technical challenges while continuing to develop your own skills and expertise.

You'll have the opportunity to work with modern .NET technologies, cloud platforms, serverless architectures, and distributed systems in an environment that values engineering quality, continuous learning, and collaboration.

What You'll Be Doing

Develop and maintain applications using .NET and C#

Build scalable backend services and APIs that support enterprise applications

Contribute to technical design discussions and solution architecture

Develop cloud-native solutions using AWS and serverless technologies

Work with NoSQL databases to design and manage scalable data models

Collaborate with frontend, product, and platform teams to deliver high-quality software

Write clean, maintainable, and well-tested code

Troubleshoot and resolve issues across application and cloud infrastructure layers

Contribute to CI/CD pipelines and software delivery processes

Support application performance, reliability, and operational excellence

Participate in code reviews and share knowledge with the wider engineering team

What We're Looking For

2–5 years of commercial software engineering experience

Strong experience developing applications using .NET and C#

Experience working with cloud platforms (AWS preferred, Azure or GCP also considered)

Exposure to serverless architectures such as AWS Lambda

Experience working with NoSQL databases such as DynamoDB or MongoDB

Good understanding of software design principles and modern development practices

Strong problem-solving skills and a collaborative mindset

Ability to communicate effectively with both technical and non-technical stakeholders

Nice to Have

Experience with frontend technologies such as React, Angular, or Vue

Experience building and consuming REST APIs

Familiarity with CI/CD pipelines and DevOps practices

Understanding of microservices and distributed systems

Experience with containerisation technologies such as Docker and Kubernetes

Exposure to infrastructure-as-code and cloud automation

Experience working within Agile delivery environments

Please note: We offer flexible hybrid working, but candidates should be based in Northern Ireland and able to attend our Belfast office when required.

Why Join Instil?

At Instil, we believe great work starts with happy, motivated people. That’s why we’ve built a benefits package that supports your wellbeing, growth, and life outside of work, because when you thrive, so do we.

Recognition That Matters: A discretionary annual performance bonus that rewards your impact and contribution to our success.

Flexibility Built In: Flexible working arrangements and summer hours, because life isn’t 9 to 5, and balance matters.

Financial Security: A highly competitive pension scheme with generous employer contributions, private healthcare, and life assurance for peace of mind.

Health & Wellbeing: Employee Assistance Programme, mental health support, cycle-to-work scheme, and regular social events to keep our culture vibrant.

Time to Recharge: 35 days holiday, enhanced maternity pay, and family-first policies so you can focus on what matters most.

Learning Never Stops: From courses to certifications, we’ll invest in your development so you can keep growing and shaping what’s next.

Community & Culture: Opportunities to volunteer, give back, and be part of initiatives that make Instil a truly inclusive and connected workplace.

And that’s just the start, drop us a note to find out more.

Company Description

Instil has been delivering world-class software engineering and technology solutions for over 20 years, trusted by global brands to solve complex challenges and drive innovation. From modernising legacy systems to building cutting-edge applications, we help our clients navigate an ever-changing digital landscape with confidence and agility.

We’re proud to be an award-winning employer, reflecting how our people are at the heart of everything we do:

Recognised as a Great Place to Work for three consecutive years, and in 2024 ranked in the Top 20 Best Workplaces in the UK for medium-sized companies.

Winner of Company of the Year at the Digital DNA Awards 2022, celebrating excellence in Northern Ireland’s tech sector.

Driven by a love for technology and a commitment to excellence, we bring together people who want to make a difference. We’ll support your journey, because your success is part of ours.

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