The Role
We're looking for a Mid-Level Software Engineer to join a team building and scaling a modern, enterprise-grade GenAI platform on AWS.
This is a full-stack engineering role with a strong frontend focus, where you'll spend much of your time building intuitive, high-quality user experiences using React and TypeScript. You'll also develop backend services using ExpressJS, work with a large PostgreSQL database, and build cloud-native capabilities using AWS services including Lambda and S3.
You'll be part of a team bringing AI-powered solutions into real-world enterprise environments, helping to build secure, scalable, and production-ready applications that solve meaningful business problems.
What You'll Be Doing
Build modern, responsive web applications using React and TypeScript
Design scalable frontend architectures and reusable component libraries
Develop and maintain backend services using ExpressJS and Node.js
Work with a large PostgreSQL database to design, optimise, and manage data models
Build and integrate APIs across frontend and backend systems
Develop serverless functionality using AWS Lambda
Design and implement storage and data workflows using Amazon S3
Contribute to the design and evolution of scalable cloud-native applications
Improve application performance, reliability, and maintainability
Implement monitoring, logging, and operational best practices
Troubleshoot issues across the full application stack
Apply secure coding principles and software engineering best practices
Collaborate with engineers, designers, product stakeholders, and AI specialists to deliver high-quality
What We're Looking For
Strong experience building applications with React and TypeScript
Experience developing backend applications using Node.js and ExpressJS
Experience working with relational databases, ideally PostgreSQL
Understanding of API design and integration
Experience building and deploying applications in AWS environments
Familiarity with AWS Lambda and serverless architectures
Experience working with object storage services such as Amazon S3
Strong software engineering fundamentals and problem-solving skills
Understanding of modern web application architecture and design patterns
Experience working within Agile software delivery teams
Strong communication and collaboration skills
Nice to Have
Experience developing AI-enabled or data-driven applications
Experience with AWS services beyond Lambda and S3
Familiarity with Infrastructure as Code approaches
Experience with CI/CD pipelines and automated deployment processes
Experience with monitoring and observability tooling
Understanding of cloud security principles and best practices
Experience working in consulting or client-facing environments
Exposure to event-driven or distributed system architectures
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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