Senior Frontend Developer (React Native) 6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB About the Role We are looking for a highly experienced Senior Frontend Engineer to join a fast-paced and innovative engineering environment, helping to build and scale next-generation digital products and customer experiences. This is an opportunity to work on complex, high-impact applications used by both customers and internal stakeholders, while influencing technical strategy and engineering best practices. As a senior member of the engineering team, you will take ownership of critical frontend systems, mentor engineers across multiple levels, and drive technical decisions that balance business value with long-term maintainability. Key Responsibilities Lead the planning and delivery of complex frontend projects, translating ambiguous requirements into clear technical...

ABOUT VOLTA Volta is the category-defining, fully vertically integrated AI infrastructure platform from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute : AI infrastructure as dependable and available as electricity, for every organization that needs it. Launched with a $10B strategic partnership with one of the leading frontier AI labs, a Series A led by Andreessen Horowitz, and a $5B AI Infrastructure Fund, Volta is building the infrastructure layer of the AI era from the ground up. We are 100+ people across London, Palo Alto, and New York, with rapid growth expectations to hundreds. THE OPPORTUNITY Volta's first AI factory is a 133MW site in Norway built on NVIDIA Vera Rubin systems, with a contracted power pipeline of more than 1GW across Europe and North America behind it. Delivering that means hiring project directors, design managers, construction leaders and specialist engineers at a pace most companies never...

Job Description: Job Purpose Intercontinental Exchange, Inc. (ICE) presents a unique opportunity to work on cutting-edge technology and business challenges in the financial sector.  The Engineer role within the ICE Network Engineering team provides leadership in network design, validation, deployment, maintenance and 24x7 operational support.   The successful candidate will work on further advancing one of the largest and global financial networks with a wide variety of critical services as well as help drive large scale office refreshes and migrations.  The successful candidate will be able to multitask in a dynamic team-based environment demonstrating strong problem-solving and decision-making abilities and the highest degree of professionalism.   Responsibilities Deploy, support and maintain mixed vendor network infrastructure Document and publish standards and designs Assist ICE staff with problem solving and escalation procedures Understand and follow operational...

Data Center Facility Engineer, Data Center Engineering Operations Location: LONDON, United Kingdom (Onsite) Role Overview Our organization is seeking a mechanically-biased Engineering Operations Technician to join our team. This hands-on role is focused on the installation, maintenance, and troubleshooting of mechanical cooling and water systems infrastructure across our data center portfolio. The ideal candidate must have a data center background and will work directly with air handling units, chillers, cooling towers, and associated water treatment plant. This is a shift-based role requiring flexibility to support 24/7 operations. Key Responsibilities Install, maintain, and repair pipework, fittings, valves, and manifolds across cooling distribution loops and water circuits. Operate and maintain air handling units (AHUs), chillers, cooling towers, evaporative cooling systems, and liquid cooling infrastructure. Perform pressure testing, leak detection, and...

Senior Platform Engineer (Cloud Media Platforms) Start ASAP (within 2-4 weeks notice) expected duration 6+ months initially London- Hybrid 2/3 days typically wfh/West London (Apply online only)pd Outside IR35 Must have right to work in the UK and be based near London. Senior Platform Engineer (Cloud Media Platforms) providing technical design and development/implementation of systems that industrialise media workflows. Acting as the primary technical authority for Cloud NAS integration, media ingest pipelines, & automated metadata scripting. Prior experience in the media broadcasting industry, specifically with digital asset management, Cloud NAS, and video ingest or similar workflows is required. You will need strong Cloud DevOps skill set, hands on scripting of either Python, Go, or Node.js for automation and API development, hands-on expertise with AWS (preferred) or GCP and Infrastructure as Code (Terraform) etc Senior Platform Engineer (Cloud Media Platforms)...

Location: London, EC1M 6PB Contract: 6 Month Contract Hours: Full-time, 37 hours per week Hybrid: 1 day per week onsite in London Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential for extension. The role is full-time, 37 hours per week, with one day per week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application design. Collaborate within an Agile team alongside other backend engineers and product designers. Strategise, develop, test and deploy new features and experiments. Participate in...

BMS Engineer We are seeking a BMS Engineer to join a major Commercial Project in London. This is an opportunity to play a key role on a high-profile site, supporting the delivery, integration, and commissioning of the BMS to ensure systems are delivered to the highest standards and ready for successful client handover. Your Team You'll join a hardworking, ambitious, and supportive team where your ideas matter and your development is genuinely prioritised. At Dornan, we invest in long-term career growth through structured progression pathways and continuous training support. The Role Reporting to the BMS Manager, you will support the coordination, installation, integration, and commissioning of the BMS, ensuring systems are delivered in line with project specifications and industry standards. You will act as an ambassador for the company and its values, driving safety, quality, and performance on site while working closely with subcontractors and project...

Ventilation Package Manager We are seeking a Ventilation Package Manager to join a major Commercial Project in London. This is an opportunity to play a key role on a high-profile site, leading the delivery of the ventilation packages to ensure systems are installed, inspected, tested, and completed to the highest standards and ready for successful client handover. Your Team You'll join a hardworking, ambitious, and supportive team where your ideas matter and your development is genuinely prioritised. At Dornan, we invest in long-term career growth through structured progression pathways and continuous training support. The Role Reporting to the Project Director, you will take ownership of the ventilation packages, supporting two Engineers and managing multiple ductwork contractors across the project. You will be responsible for driving progress on site, carrying out progress walkdowns, overseeing quality and compliance, managing snagging and ensuring...

Salary: up to 45000 per annum plus company vehicle and Veolia benefits Hours: 43 hours per week, Monday to Friday, with participation in a rostered out-of-hours and emergency call-out arrangement Location: Mobile across London (mainly South London) When you see the world as we do, you see the chance to help the world take better care of its resources and help it become a better place for everyone. Whether you're looking to overhaul the industry, or just do a good day's work, we know that everyone here at Veolia can help us work alongside our communities, look after the environment, and contribute to our inclusive culture. What we can offer you: 25 days of annual leave Refer an Engineer to us once you've joined and earn 1000 Access to our company pension scheme Free physiotherapy and 24/7 GP service Discounts on everything from groceries to well known retailers Access to a range of resources to support your physical, mental, and financial...

Principal Engineer Fully Remote Outside IR35 Day Rate We're partnering with an innovative, technology-led organisation to appoint a highly experienced Principal Engineer. This is an exciting opportunity for a senior technical leader to drive the transformation of a complex Java estate, leading advanced containerisation initiatives and improving the developer experience across the organisation. We're particularly interested in engineers with deep experience modernising legacy systems, integrating CI/CD pipelines and mentoring senior technical teams. The Opportunity As Principal Engineer, you'll lead pivotal engineering initiatives focused on making a complex Java estate fully containerisable. You'll use your technical expertise to replatform, refactor and rebuild legacy systems, ensuring they integrate effectively with modern developer tooling and CI/CD pipelines. Alongside hands-on technical delivery, you'll provide leadership and mentorship to senior...

QA / Test Engineer READ THIS BEFORE YOU APPLY You will be testing Kafka-based streaming data pipelines at genuinely enormous scale, and you will be writing the test strategy for the whole programme from a blank page. There is nothing in place today. If that sounds like the job you have been waiting for rather than a job with a gap in it, keep reading. WHO THE CLIENT IS Our client is a UK-headquartered AI company building sovereign AI capability for defence and national security. They have been established for around a decade and are one of the country's leading builders of AI for high-risk, high-assurance environments. Their platform is an AI operating system built entirely in the UK, designed for settings where security, trust and full infrastructure control are non-negotiable. It deploys across cloud, edge, on-premise and fully air-gapped systems, and is already live inside UK Defence and national security missions. They closed a substantial Series A round...

Junior Data Engineer Permanent Morela is delighted to be supporting a private, family-owned real estate investment group in the search for a Junior Data Engineer. This is a full-time, permanent position based in London, open to exceptional graduates through to candidates with up to three years' experience, offering a salary of £40,000-£60,000 depending on experience. This is not a narrow graduate scheme you will write production code, solve live business problems, and learn directly from a senior engineer. We are looking to move quickly, with an ASAP start date and applications closing 20 September 2026. About the Client Our client is a private, entrepreneurial, family-owned real estate platform with a significant property portfolio and associated finance operations. The business is hiring a Junior Data Engineer to support a senior engineer in building out its internal data platform the first phase of which will connect specialist domains including property management,...

Locations: Various UK location available - most major cities The Opportunity Our client is looking for a Senior Civil Engineer with a strong technical background in hydraulic analysis and design to join its growing water team. This is an opportunity to work on a varied portfolio of UK and international water projects, covering a range of technically challenging schemes across the water and wastewater sector. The successful candidate will undertake hydraulic analysis and design across different stages of the project lifecycle, working closely with multidisciplinary teams to develop practical and effective engineering solutions. Projects may include: Transmission pipelines Surge analysis Hydraulic design of water and wastewater treatment works Large-scale drainage systems Stormwater storage and tunnel schemes Water and wastewater networks The Role Responsibilities will include: Leading and delivering hydraulic analysis and design across a range of potable water...

Electrical Design Engineers (project Delivery) Senior & Principal Help shape the UK's energy transition. Due to continued growth and an expanding portfolio of renewable energy, power infrastructure and decarbonisation projects, Vital Energi's Electrical Project Delivery team is looking for Senior and Principal Electrical Design Engineers to join our teams in London, Blackburn or Glasgow. We are currently looking for: Senior Electrical Design Engineers Principal Electrical Design Engineers The Company Vital Energi is one of the UK's leading providers of renewable energy and low-carbon infrastructure, delivering innovative engineering solutions that are helping transform the nation's energy landscape. For over 30 years, we have been at the forefront of delivering complex, large-scale energy projects that support the UK's transition to Net Zero. Our teams design, build and operate critical infrastructure that powers hospitals, universities,...

Salary: Up to 53,125.00 per annum plus a 15% annual bonus and Veolia benefits Hours: 42.5 hours (average) per week 4 on 4 off Days only Location: 16 Choats Road Dagenham Essex RM9 6LF When you see the world as we do, you see the chance to help the world take better care of its resources and help it become a better place for everyone. As a Lead Maintenance Engineer you'll be pushing for innovative solutions to create a more sustainable future for all. We know that everyone here at Veolia can help us work alongside our communities, look after the environment, and contribute to our inclusive culture. What we can offer you; 25 days of annual leave plus bank holidays Access to our company/people's pension scheme Discounts on everything from groceries to well known retailers Access to a range of resources to support your physical, mental and financial health; so you can lean on us whenever you need to 24 hour access to a virtual GP, 365 days a year,...

PLC / Controls / Automation Engineer Water Industry Location: London Rate: £45 £55 per hour Outside IR35 Initial Contract: 6 months extension highly likely PLC, Controls or EICA Engineer looking for your next contract? If you're a PLC Engineer, Controls Engineer, Automation Engineer, EICA Engineer or Control Systems Engineer with strong water industry experience, this could be an excellent opportunity to get involved in a technically interesting project in Leicester. We're looking for an experienced controls professional who can bring hands-on technical knowledge across PLC/SCADA, control systems, instrumentation and electrical engineering, supporting the delivery of a major water industry project. With a rate of £45 £55 per hour Outside IR35 and an initial 6-month contract with a strong likelihood of extension, this is well suited to an experienced contractor coming towards the end of a project or looking for their next challenge. The role You'll be working as part of a...

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London. It is a full-time role, 37 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute...

Principal Platform Engineer - 12 Month FTC Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always leave a legacy for the client. We do this through close relationships with our offices (or ‘Clubs’) so that our partners are always prioritised by a regional team close to them. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK and Europe with plans for global expansion in the next couple of years. Join us - and help us fulfil our mission to close the world’s digital skills gap. The Role The Principal Platform Engineer will provide technical leadership in shaping, evolving, and scaling our clients cloud platform. The role will...

Sword is a leading provider of business technology solutions within the Energy, Public and Finance Sectors, driving transformational change within our clients.  We use proven technology, specialist teams and domain expertise to build solid technical foundations across platforms, data, and business applications.  We have a passion for using technology to solve business problems, working in partnership with our clients to help in achieving their goals.  Sword is strengthening its Data, Analytics, AI and automation capability as demand grows for practical, secure and scalable AI transformation. Strategic Value to Sword  The AI Solution Architect creates value by connecting customer business challenges with practical AI-enabled transformation. The role accelerates sales, improves delivery quality, strengthens technical credibility and ensures Sword's AI offerings remain scalable, differentiated and aligned to market demand.  About the role: The AI Solution Architect is...