Senior Software Tester jobs in Belfast

You will be the human intelligence guiding the AI tools, ensuring that our platform is robust, bug-free, and user-friendly.

You should be comfortable recording tests (Codegen), reading the resulting TypeScript/JavaScript, and using AI to tweak it.

You will manually test new features with a critical eye, looking for UX quirks, logic gaps, and edge cases that scripts can't catch.

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...

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,...

🚀 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...

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...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

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.

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.

You will work directly with bid professionals, procurement teams, and senior stakeholders, positioning TenderEyes as a strategic solution rather than a transactional product. Key Responsibilities •Own the full sales cycle: prospecting, discovery, demo, proposal, and close •Qualify inbound and outbound leads and manage opportunities through to contract signature

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...

I'm partnered with an early-stage, post-revenue AI startup is building an end-to-end operating system to help businesses detect and resolve complex B2B issues before they become costly or disruptive. The product is already being used by large enterprises across multiple industries, and demand is growing fast - hence this hire! Backed by a top-tier European venture fund, the company is tackling a...

You should be comfortable with most of our core technologies:

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We're looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you'll work across the stack, leading frontend development with React and...

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...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

Senior Backend Engineer | Fully Remote UK | £70,000-£75,000 | Python | Django | AWS Location: Fully Remote - Candidates MUST be UK based Salary: £70,000-£75,000 + benefits Tech Stack: - Backend: Python (Django) - Frontend: React - Cloud Systems: AWS, Docker Are you a Senior Backend Engineer who enjoys taking ownership of real production systems and shaping how a platform evolves as it...

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...

Senior Software Developer - Excellent Public Sector Opportunity I'm recruiting on behalf of a key public sector client for an experienced Senior Software Developer (AG7) to join their Information Systems Office. This is an exciting role where you'll lead on the design, development and delivery of business-critical software solutions that directly support organisational operations. Salary: £36,122...

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, event-driven platforms...

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: