Sr Software Engineer jobs in Belfast

Senior Tech Ops Engineer (Tue - Sat + shift allowance) We have an opening for an ambitious IT professional to join our Technology Operations Command Centre, the hub of global technology operations at CME Group. This is a troubleshooting focused role, where the successful candidate will gain exposure to a wide range of the latest technologies across systems, networks and software in a fast...

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.

You will be joining at an exciting time, as the team prepares to scale the Tessian product following the Proofpoint acquisition. Tessian protects every business's mission by securing the human layer. We're building intelligent security that works for human beings as they are, not how security policies would like them to be.

You will report to the Belfast site lead in the CSP Legal Department. Your Responsibilities

You must be a self-motivated team player with the ability to identify and resolve legal issues, balance legal and business concerns and draft and negotiate agreements.

Join a growing Belfast tech centre of excellence - Are you an experienced engineering leader looking for a role where you can shape teams, influence strategy, and drive high-quality delivery? - Do you want to lead multiple agile teams in a modern engineering environment that values autonomy, collaboration, and continuous improvement? - This is an opportunity to join a well-established yet...

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...

Job Description VANRATH is delighted to be partnering with a global market-leading financial technology organisation to recruit a Senior Software Engineer for a high-impact engineering team. This is an outstanding opportunity to work on business-critical, real-time systems that underpin global financial markets. You’ll join a highly skilled, collaborative Agile team, building cloud-native,...

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Description aPriori offers an industry-leading Manufacturing Insights platform that empowers the worlds largest manufacturers to identify, reduce, and manage manufacturing costs, carbon emissions, and feasibility challenges. By leveraging patented simulation technology, the platform generates real-time data insights, unlocking value and enabling data-driven decision-making to achieve cost...

Software Engineer Location: Belfast, Northern Ireland (Hybrid) Compensation: Open to discussion on compensation based on experience + equity About Opinly At Opinly, we're revolutionizing competitor analysis and SEO automation for digital marketers. Our mission is to empower businesses to stay ahead in the competitive landscape through data-driven decisions. You can learn more about us at...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

Playrix — одна из самых успешных компаний по разработке мобильных игр в мире. По доходам среди всех мобильных приложений мы входим в топ-3 в мире, а в Европе мы первые. Наши игры установили 2,3 миллиарда раз (треть населения Земли), каждый день в них играет более 30 миллионов людей по всему миру! У нас большие планы на развитие и рост наших проектов, именно поэтому мы ищем сильнейших экспертов в...

Key Responsibilities - Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. - Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. - Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. - Apply best...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

At Orange Logic, we’ve been solving complex content challenges for over two decades—driven by innovation, curiosity, and a passion for impact, our intelligent Digital Asset Management (DAM) system, Orange Logic Platform, empowers organizations across industries to manage, access, and leverage their digital assets more effectively. We’re not just building powerful software—we’re building a team of...

You will be working with a high-calibre team of young, talented professionals who share a like-minded mindset, delivering top-tier implementation and technical services to clients.

SOFTWARE ENGINEER REMOTE (OPTION TO RELLOCATE) £110K + EQUITY THE COMPANY This innovative AI startup is redefining safety and reliability in AI models. While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds safety control layers to ensure AI outputs are trustworthy and compliant. Working with high-profile, they’re building AI...

Software Engineer Remote All potential candidates should read through the following details of this job with care before making an application.Were hiring a Mid-Level Engineer to join a values-led HR technology SaaS company operating across the UK, Ireland and Jersey. The product sits at the intersection of pay gap reporting, salary analytics and employee insight, supporting organisations with...

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.