performance test engineer jobs in York

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

You will guide not only what we do, but how we do it—ensuring that results are achieved with rigor, transparency, and purpose. This is a leadership position for someone who understands that true performance comes from alignment: between strategy and execution, data and intuition, teams and clients.

You will act as the central technical interface between customers and Keysight teams, with a strong focus on high-speed digital and physical-layer standards. Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization.

Salesforce Test Analyst Note: Active SC Clearance Required Role overview: We are seeking a highly skilled and experienced Quality Assurance Consultant to join our team on a permanent basis. The successful candidate will be primarily responsible for ensuring the quality of Salesforce Service Cloud solutions throughout the development lifecycle. This role demands a strong background in software...

You will become part of a squad with people from different areas within the business who will help you grow at BJSS We have a busy social calendar that you can choose to join– quarterly town halls/squad nights out/weekends away with families included/office get togethers GymFlex gym membership programme

Job Description An exciting opportunity to join a unique business in the heart of beautiful countryside with super benefits including:- - 37 hours per week – 8.30am to 4.30pm (Mon-Thurs) and 8.30am to 4pm (Friday) with a 30 minute unpaid lunch break - Hybrid work considered but you must live within a 2 hour commute - 25 days holidays and 8 bank holidays - 5% pension - Private healthcare - 2 x...

An exciting opportunity to join a unique business in the heart of beautiful countryside with super benefits including:- - 37 hours per week 8.30am to 4.30pm (Mon-Thurs) and 8.30am to 4pm (Friday) with a 30 minute unpaid lunch break - Hybrid work considered but you must live within a 2 hour commute - 25 days holidays and 8 bank holidays - 5% pension - Private healthcare - 2 x base salary life...

You will work alongside multiple departments to ensure equipment is operated in the defined manner whilst constantly contributing to continuous improvement initiatives. Key Responsibilities: - Fault finding, repairs and maintenance on high speed, automated manufacturing machinery.

You will work closely with engineering teams to understand their pain points and translate them into practical solutions — for example, building reusable components like commands, skills, and CI agents; designing and orchestrating custom agent workflows; developing low/no-code agents for faster adoption; and creating and maintaining knowledge bases connected via connectors and MCP servers.

Machine Learning Engineer - Contract (Financial Services, Outside IR35) Duration: 6 months Rate: £650 - £750 per day IR35: Outside Location: UK / Remote We’re seeking an experienced Machine Learning Engineer to support a Financial Services organisation on an initial 6-month contract, working on production-grade ML systems that operate in regulated, high-volume environments. This role is...

You will have the opportunity to be part of a global high-performing dynamic software team, doing what you do best. The role is focused on designing and building the best solutions for our users in over 120 countries, whilst maintaining best practices in software development.

Location - Remote, but requirement to meet up once a month for in-person collaboration day - UK based About Akixi Akixi is a leading provider of SaaS analytics solutions for cloud-based communication platforms, helping service providers and enterprises gain actionable insights from their telephony and collaboration data. Our solutions span Microsoft Teams, Cisco BroadWorks, Webex Calling, and...

📍 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...

We are currently recruiting a Data Engineer for one of our clients. The role is outside IR35 and is paying £400-500 per day, it will initially be for 6 months. It is also fully remote. Key Responsibilities • Design, develop, and maintain batch and streaming data pipelines using Databricks (Apache Spark) • Build and optimize ETL/ELT workflows for large-scale structured and unstructured data •...

Hardware Engineer - Automatic Transfer Switch (ATS) We are seeking an experienced Hardware Engineer to design, develop, and support reliable power transfer solutions used in critical power applications. This role focuses on the electrical and electronic hardware design of Automatic Transfer Switch (ATS) systems, including power switching, sensing, protection, and control interfaces, ensuring...

You will need good knowledge of using Control Systems to control the hydraulics, things like closed-loop control, motion control, servo control, PID tuning etc.

You will be working on complex, bespoke test rigs that operate like “testing robots”, combining hydraulics, electronics, controls, software and mechanical engineering at a very high level.

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

Senior AI/ML Engineer Fully Remote £100,000–£120,000 + benefits About the Role Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. They’re scaling their AI capabilities and need someone passionate about applying cutting-edge machine learning and LLM techniques to real-world crypto data. You’ll work directly with a Staff AI/ML...

An exciting opportunity to join a unique business in the heart of beautiful countryside with super benefits including:- - 37 hours per week 8.30am to 4.30pm (Mon-Thurs) and 8.30am to 4pm (Friday) with a 30 minute unpaid lunch break - Hybrid work considered but you must live within a 2 hour commute - 25 days holidays and 8 bank holidays - 5% pension - Private healthcare - 2 x base salary life...