Senior PHP Developer jobs in Belfast

Company: 8 Signals Limited About us 8 Signals is a UK-based software development company specialising in building tailored digital solutions that help businesses solve complex problems and streamline their operations. We combine strong technical expertise with a deep understanding of our clients’ requirements to deliver high-quality software, whether that’s new applications, enhancements to...

MCS Group is delighted to be exclusively partnering with a highly innovative technology company as they continue to expand their fast-growing Belfast-based engineering team. This is an exciting opportunity to join a global organisation that is transforming how businesses deliver connectivity and digital solutions across multiple sectors. This company has built a strong reputation for delivering...

Senior Python/Django Engineer - 100% Remote Role (Please note: candidates should only apply if they currently reside or plan to reside in Northern Ireland) Salary: Up to £90k base + package About the Company Join a hyper-growth, VC-backed SaaS company that's building a world-class engineering function in Northern Ireland. With a decade of proven success and a strong track record of innovation,...

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...

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 Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

TimeXtender delivers secure, trusted, AI-ready data for every decision. Our metadata-first platform enables mid-sized enterprises to build future-proof data infrastructure 10x faster than traditional methods. By automating the complex layers of data ingestion, preparation, and delivery, TimeXtender provides a secure foundation for analytics and AI across cloud, hybrid, or on-prem environments....

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Description Complexio is Foundational AI. This works to automate business activities by ingesting whole company data – both structured and unstructured – and making sense of it. Using proprietary models and algorithms Complexio forms a deep understanding of how humans are interacting and using it. Automation can then replicate and improve these actions independently. Complexio is a joint...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

MCS Group is delighted to be partnering with a leading global technology firm building a cutting-edge engineering hub in Belfast, focused on delivering innovative software solutions used worldwide. As part of an exciting growth phase, the Belfast office is seeking experienced Senior React Engineers to help design and develop next-generation web applications that drive critical business outcomes....

Senior Java Developer - 100% remote. * Salary: up to £70k + bonus+ benefits. About the Company: Our client is a global technology company operating in the payments space. They're investing heavily in their engineering capability across Northern Ireland, with a focus on building modern, scalable platforms that support businesses in managing and growing their operations. Their engineering teams...

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...

Senior .Net Developer Location: Belfast (Hybrid) | Type: Full-Time | Permanent A leading global technology firm is seeking a Senior Software Developer to help manage and evolve its mission-critical trading systems. This role involves building scalable systems that directly impact market access on a global scale. What you'll do? Develop, enhance, and maintain complex systems using C# (.NET Core),...

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...

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...

Senior Software Engineer Backend, Microservices, Cloud Location: Belfast Type: Permanent About the Opportunity: This role sits within a core platform team responsible for the first major entry point into a large-scale user generated content workflow. The team builds and operates services that handle content processing, collection, storage, management, auditing, and authentication. As a Senior...

MCS Group is proud to be partnering with the Northern Ireland Assembly, in their search for a Temporary Senior Software Developer: The role: Plan and lead the analysis and development of sets of related user stories using Agile processes, including liaison with users throughout the organisation to create work item technical specifications; Contribute to the system design and have an understanding...