Senior Front End Developer jobs in Antrim County

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

Front-End Engineer - Build Better Tools for a Global Industry Location: Remote (UK-based only) Contract: Permanent | Full-time Contact: Ryan Quinn on LinkedIn Company: OCHO - Building Teams About the Role We're partnering with a pioneering technology business that's reshaping a traditionally underserved industry. With user-friendly, cloud-based tools adopted across North America, this company...

You should have proven experience developing front-end applications using modern JavaScript frameworks, with a focus on React.

You will be hands-on, able to contribute individually and will be working in a fast-paced environment.

You will work within an Agile environment, from design through to implementation, with a strong focus on continuous improvement whilst working collaboratively as part of self-organising, cross-functional team with a focus on continuous integration and deployment. Role Responsibilities

Senior .NET Developer Full-time | Belfast | Hybrid Salary: £50,000 - £65,000 MCS Group is delighted to once again partner exclusively with a growing solutions provider as they continue to expand their talented development team. This company delivers cutting-edge software solutions to a diverse range of clients across the UK and beyond. They are now seeking an experienced Senior Developer to take...

Insight Global is seeking a dynamic Senior Business Development Manager to join a global growth team and assist in leading the expansion of our market research solutions across key industries and regions. Key aspects of this role include: Market & Opportunity Development - Identify, qualify, and develop new business opportunities aligned with the clients global services and value...

Senior Software Developer Salary: £36,122 + £7,542 annual salary supplement Location: Belfast We are seeking an experienced Senior Software Developer to join a well-established in-house technology team supporting a large, complex organisation with critical digital services. This role offers the opportunity to work on a wide range of systems-from workflow-based database applications to highly...

You will play a key role in supporting the execution of the Backend Test Strategy, coordinating across teams and products, and ensuring the delivery of robust, secure, and performant backend solutions. If you are passionate about backend quality, automation, and engineering excellence, we would love to hear from you!

MCS Group is working exclusively with an ambitious and rapidly scaling Insurtech company to hire an experienced .Net Web Developer as they continue to invest heavily in their digital platforms. This role sits at the heart of a growing engineering function responsible for designing and building complex, customer-facing web applications 'll be working on feature-rich websites and platforms built...

Senior Front-End Software Engineer (React) Location: Belfast / Hybrid Eligibility: UK work authorisation required I'm working with a global financial services technology organisation that builds high-volume, business-critical platforms used across international markets. They're looking for a Senior Front-End Engineer to help design and deliver modern, scalable user interfaces used by both...

You will work on large scale platforms used daily across physical and digital environments, partnering closely with product, backend, and design leaders to shape long term frontend strategy.

You will remain hands on while providing architectural leadership, mentoring senior engineers, and ensuring high quality, scalable UI solutions are delivered consistently.

MCS Group is working with a fast-growing Insurtech company as they expand their software development team. We're looking for multiple .NET Developers to help deliver secure, scalable features across a growing suite of products. You'll join a tight-knit engineering team, working closely with the Software Engineering Manager and senior engineers. Expect to shape distributed systems, mentor junior...

Senior Software Engineer (.NET) Back end Location: Belfast / Hybrid Eligibility: UK work authorisation required We are working with a global financial services technology organisation that builds business-critical platforms used across international markets. They're looking for a Senior Software Engineer to join a highly capable engineering team delivering scalable, cloud-native systems. This is...

MCS Group is looking for a highly experienced Principal React Developer to lead the design and delivery of modern, scalable front-end applications. This is a hands-on role where you'll shape architecture, set best practice, and mentor engineers within a collaborative product-focused team. This is a key hire for this development team, and will be a position of technical influence within the...

About the Company: Our client is a fast growing global trading firm building a brand new engineering hub in Belfast in 2026. Founded by a team of technologists and financial experts, the company develops advanced trading platforms and enterprise systems that operate at scale, supporting a wide range of strategies and asset classes. Having successfully navigated multiple market cycles, they're now...

About the Company: Our client is a fast-growing global trading firm with deep expertise across traditional and digital asset markets. Built by technologists and financial engineers, their platforms are designed for scale, resiliency, and high performance. They are now establishing a new engineering hub in Belfast as part of a long-term investment to build core trading systems and infrastructure...

You will guide engineers of varying levels, influence technical direction, and ensure systems meet high standards for security, scalability, and reliability.

You will shape cloud architecture, modernise legacy platforms, and enable high performing, multi disciplinary teams to deliver long term, sustainable improvements across performance, reliability, and developer experience.

You will play a key role in influencing product direction, setting engineering standards, and guiding the evolution of core platforms.