Principal Software Engineer jobs in Belfast

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team. This role offers a strong mix of hands-on development, architectural decision making and mentorship.

Join OCI’s Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You’ll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI’s global edge. This role requires deep expertise in Linux networking data path and...

You will drive the product development process from an architectural and technical leadership standpoint to ensure the delivery of best‑in‑class outcomes for our customers. Specifically, your focus will be to:Collaborate to develop and drive the technical strategy for our unified Exposure Management offerings.

Principal Developer - Belfast | Hybrid | Public & Private Sector Projects Remember to check your CV before applying Also, ensure you read through all the requirements related to this role.Join a leading technology solutions provider delivering complex case management and bespoke applications for government and private clients. xbpsjkuI am working with my client to hire a Principal Developer to...

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Electrical Engineer, you'll lead...

You will be able to evolve and grow your competencies in different areas: - Room and attention to personal development Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution Choose between a technical expertise or a leadership path

Senior/Principal Civil Water Engineer Full time 2026-01-26 Posted Today R-147187 Job Description Overview Shape the future of our cities and environments. Are you a Civil Water Engineer who is passionate about making the world a better place?Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in...

SoftwareEngineering Team Lead- Northern Ireland A fast-growing technology company specialising in AI-driven insights and automation is seeking an Engineering Team Lead to join its engineering function. This organisation builds scalable, cloud-based products used globally and places strong emphasis on engineering quality, security and innovation within a high-growth environment. The Role: The...

You will report directly to the Senior Civil Engineer and your role xujxxms will be to provide superior quality Engineering Design services to allow t...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Software Engineer Document Management & Workflow Systems (Contract) Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply. Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to...

You will play a critical role in architecting, designing, and implementing these platforms to solve challenging business problems. Your expertise will be essential in guiding clients through digital transformation initiatives, ensuring robust and scalable solutions that align with their strategic objectives.

You will be offered; - Highly competitive salary, negotiable depending on experience.

You will work closely with the new Associate Director and the wider team across the UK to deliver technical solutions on a range of complex projects.

You will join a collaborative and fast-paced organisation delivering integrated solutions for public- and private-sector clients.

You will also contribute to pre-sales, produce proof-of-concepts, and guide clients through digital transformation initiatives.

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

You will architect, design, and implement robust, scalable platforms that drive digital transformation and align with strategic objectives. What You Need to Succeed : - Proven experience delivering solutions in Microsoft Dynamics 365 - Strong knowledge of Microsoft SharePoint Online and Power Platform

You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team.

A leading cloud technology firm in Belfast seeks a Sr Principal Software Engineer to lead architectural development for unified exposure management initiatives. The role requires collaboration with engineering teams to ensure product delivery aligns with customer needs. Candidates must have a minimum of 12 years in software development, ideally with expertise in Java, and possess strong...

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Mechanical Engineer, you'll lead...