Senior Software Tester jobs in Sheffield

Job Description SCX is a UK-based engineering business with a reputation for innovation, precision, and delivery in complex mechanical handling and kinetic architecture systems. With a portfolio spanning world-class projects in Defence, Aerospace, Nuclear, Sports & Entertainment, and Infrastructure sectors, SCX continues to invest in its people, processes, and operational capability to meet...

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...

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.

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.DetailsInitial 6-month contract with extensionFully remote (EU time zones)Start: End of February / early MarchOutside IR35We are looking for an experienced Software Engineer contractor to support...

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...

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 product—Spark...

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...

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 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:

You should be comfortable with most of our core technologies:

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.

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

This is a chance to be the first Account manager in a respected specialist software services business. My client works with leading names in silicon and AI; delivering managed services in compiler toolchains, embedded systems and optimisation. The full job description covers all associated skills, previous experience, and any qualifications that applicants are expected to have. Account Manager...

Principal Grafana Network Analytics Engineer Edinburgh, UK | Fully Remote (UK-based) Engineering | Cyber Security £95,000 & Benefits Ever wanted your dashboards to actually defend the internet? This role does exactly that. I'm recruiting on behalf of a high-growth cyber security technology company that protects some of the world's most critical online services from large-scale DDoS and...

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.

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...

We have an exciting opportunity for a Senior QA Tester to join our growing team. As a Senior QA Tester, you will manage the testing of Digital and Technology Services, including all infrastructures and components, during the delivery of Major Change Programmes and Continuous Improvement pipelines. Working within programmes structured to deliver both Waterfall and Agile methodologies, ensure that...

You will be responsible for managing the full sales lifecycle—from prospecting and discovery through to proposal, negotiation, and close—while working closely with product, delivery, and marketing teams. Key Responsibilities - Identify, qualify, and pursue new business opportunities aligned with Unilink's software portfolio

Roku Developer The following information aims to provide potential candidates with a better understanding of the requirements for this role. Location: UK - Remote Employment Type: Permanent Experience Level: Mid-level / Senior Rates: Negotiable, DOE Are you a Roku Developer passionate about building cutting-edge Over-The-Top (OTT) streaming experiences? We're looking for a talented...

You should bring:Strong experience in C# / . NET Core development (ideally 5+ years). Proven experience with Azure cloud technologies and CI/CD. A passion for clean architecture, maintainable code, and problem-solving. Excellent communication skills and a collaborative mindset.