Full Stack Engineer (React, .NET, C#)

We are seeking an experienced Senior Software Engineer with a strong background in software development and data engineering. Reporting directly to senior engineering leadership, you will play a key role in shaping technical direction, leading development initiatives, and helping scale a market-leading platform., * Take ownership of the full software development lifecycle.

• Develop and maintain scalable cloud-based solutions.
• Solve complex data challenges through robust engineering practices.
• Conduct code reviews and support engineering best practices.
• Collaborate closely with cross-functional teams to deliver customer-focused solutions.
• Contribute to technical architecture and system design decisions.
• Mentor developers and provide technical leadership on key projects.

• Minimum 5 years' commercial experience in C# and .NET development.
• Strong commercial experience building modern web applications using React.
• Experience developing and maintaining scalable, cloud-based applications.
• Strong problem-solving skills with experience tackling complex data challenges.
• Experience designing and building scalable systems and architectures.
• Excellent communication and stakeholder management skills.
• Proven ability to mentor engineers and lead technical projects.
• Strong organisational and time management skills.
• Experience working effectively within a remote environment.
• Based in Belfast/ Northern Ireland

Desirable Skills & Experience

• Experience working with large-scale datasets and data engineering practices.
• Experience delivering complex technical projects from inception to completion.
• Degree in Computer Science, Mathematics, Statistics, Data Engineering, or a related discipline.
• Experience with React.
• Experience with AWS cloud services.
• Exposure to AI, machine learning, or related technologies.
• Previous startup or scale-up experience.

Technology Stack

• .NET Core / C#
• React
• SQL
• AWS
• Elasticsearch
• Jira
• AI Platforms & APIs

• Fully remote working.
• Home office allowance.
• Personal development and wellbeing budget.
• Private healthcare and dental cover.
• Pension scheme.
• Generous annual leave entitlement plus public holidays.
• Birthday leave.
• Professional membership support.
• Flexible working culture.
• Regular team meet-ups and social events.
• Virtual collaboration spaces to stay connected with colleagues.

Our client is a fast-growing, remote-first SaaS business operating within the scientific and technology sectors. With a strong international presence and ambitious growth plans, they have built a culture centred around innovation, collaboration, flexibility, and continuous learning. They are committed to creating an exceptional employee experience and offer a genuinely flexible remote-working environment.