cto jobs in Belfast

A government agency in the UK is seeking a Deputy Director and Portfolio CTO for Enterprise Services to lead technology capabilities and drive digital transformation. The role involves setting the technical direction for secure and innovative solutions, ensuring compliance with regulatory standards, and aligning technology with business goals. Ideal candidates will possess strong leadership and...

You will own the UK market from the first touchpoint to the final signature, selling directly to CTOs, Heads of QA, and Engineering Leaders.

Hands-On CTOs | Meet London's Top Startup Founders in One Night | OPUS x Foundermatcha Event Skip the Job Boards. Meet Founders Directly. You've built products people use. Now it's time to build something that's yours. On February 4th in London, OPUS and Foundermatcha are hosting a Founder ↔ Engineer Speed-Dating Event designed for full-stack engineers who want to join early-stage startups at...

You will own end-to-end features for a high-traffic delivery network, simplifying complex event-driven architectures into streamlined systems. Working across the stack with TypeScript, Node. js, and React, you'll play a pivotal role in automating last-mile logistics for businesses of all sizes.

⭐ x2 Product Directors NEEDED – Domain Knowledge, Scaling SaaS | £130,000 + Exceptional Benefits Shape the Future of a Market-Transforming Product Portfolio UK | Hybrid | High-Growth SaaS | Strategic Leadership Role Areti Group is proud to be exclusively partnered with one of the UK’s fastest-scaling, product-led SaaS organisations - a technology business set to grow by more than 50% in the...

Account Director - Microsoft Identity & Secure Access £80–90k base + Double OTE | UK-wide (Remote) | Permanent This is a rare opportunity to join one of Microsoft’s leading Identity and Security Partners as they enter a phase of unprecedented growth. Trusted by Microsoft to design and deliver secure access, identity, and data protection programmes for some of the UK’s most recognised...

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

You will develop trusted advisor relationships with prospects and customers by educating, presenting, demonstrating, and conducting POCs of Mirantis’ AI Infrastructure platform. This role offers the opportunity to work on ambitious, cutting-edge technology within the fast-evolving AI and cloud-native ecosystems.

🚀 Engineering Leader | AI-Native B2B SaaS | London (Hybrid) Package: £150,000-£200,000 + meaningful equity Location: London (hybrid, in-person collaboration encouraged) bloom has partnered with a high-growth, AI-native B2B SaaS startup that’s rethinking how modern teams operate in one of the most fundamental areas of business. Already revenue-generating and scaling fast, the company is set to...

Embedded Systems Engineer (Part-Time to Full-Time) – Optect Ltd Location: Remote (UK-based), onsite in Bath, or hybrid Hours: 0.5 FTE – 1.0 FTE Right to work in the UK required Optect is developing the next generation of long-range flame detection technology and deploying it into some of the most challenging environments on Earth. We are now looking for a motivated Embedded Systems Engineer...

You will work closely with frontend engineers, product managers, and the CTO to design and evolve a highly scalable, asynchronous, cloud-native platform. This is a hands-on senior engineering role with real technical ownership, influence over architecture, and scope to mentor others.

Are you ready to write your next chapter? Make your mark at one of the biggest names in payments. We’re looking for a Sales Executive – Mid Market to join our ever evolving sales team and help us unleash the potential of every business. What you’ll own as the Sales Executive – Mid Market - Achieve monthly sales targets aligned to overall company objectives - Develop monthly strategy and...

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview We're looking for multiple talented engineers Server Side , to join one of our...

🚀 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...

Senior Quality Engineer Medical Device Startup | £60M Raised Why This Role Matters This is a rare opportunity to join a high-growth medical device startup that has raised £60M from top-tier investors and is scaling rapidly towards global commercialisation. The company is building next-generation medical technologies that will meaningfully improve patient outcomes. As Senior Quality Engineer,...

Title: Co-Founder / Fractional Chief Technology Officer Location: Remote (UK / EU only) Salary: Equity only (to start) - with vesting period Platform: AI-Native Talent Intelligence Platform Stage: Early product (working demo MVP) with live AWS infrastructure and AI workflows in place The Role We are recruiting for our sister business 'hdhnt', this is an AI-native Talent Acquisition platform...

You will have created the system architecture, and established key relationships - Lead the architectural design of the system that takes into consideration our future near real-time requirements, complex data integration, and scalability.

You will have created architectural diagrams that stakeholders can understand.

You will have delivered the key parts of the platform reaching over 1,000 users.

📍 Remote | Full-time 👋 Overview We’re looking for a pragmatic Full Stack Engineer who can lead the evolution of our infrastructure while keeping systems simple, reliable, and maintainable. This is a remote role for someone who enjoys owning infrastructure decisions without stepping away from hands-on product development. Medify Engineering is a team of ten engineers across two teams, and...

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Role As a Senior Engineer you will be responsible for establishing and implementing...