Senior Software Engineer

The Role

We’re looking for experienced Senior Software Engineers who enjoy building scalable systems, working with cloud infrastructure, and delivering high-quality software in production environments.

This role sits at the intersection of software engineering and cloud/platform work. You’ll be designing and building backend services using technologies like C#, Type Script, or Java, while working closely with modern cloud platforms.

It’s a strong fit for someone who takes ownership, is comfortable leading on technical decisions, and enjoys improving how systems are designed, built, and operated.

• Design, build, and maintain backend services using C#, Type Script (Node.js), or Java
• Develop cloud-native applications across AWS, Azure, or GCP
• Contribute to system architecture and make key technical decisions
• Work with distributed systems, APIs, and event-driven architectures
• Collaborate with platform teams to ensure reliable, scalable deployments
• Contribute to CI/CD pipelines and improve engineering workflows
• Troubleshoot issues across application and infrastructure layers
• Mentor engineers and contribute to a strong engineering culture
• Work closely with cross-functional teams to deliver production-ready systems

• Strong experience building production systems using C#, Type Script, or Java
• Solid experience working with cloud platforms (AWS, Azure, or GCP)
• Good understanding of system design and scalable architectures
• Experience building and consuming APIs (REST / event-based systems)
• Comfortable working across the full delivery lifecycle (build, deploy, operate)
• Strong grasp of software engineering fundamentals and best practices
• Ability to take ownership and drive technical solutions

• Frontend development experience using React, Angular, or Vue
• Experience with infrastructure-as-code (e.g. Terraform, Cloud Formation)
• Exposure to containerisation (Docker, Kubernetes)
• Familiarity with CI/CD tooling (Git Lab CI, Git Hub Actions, etc.)
• Experience working in cross-functional or product-focused teams
• Interest in improving engineering standards, tooling, and ways of working

• 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.

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.