Python AI Engineer London - Hybrid Rate: 600 - 700 Per day - Inside IR35 Start: Mid October Contract - 6 Months Python AI Engineer required to develop production-grade Python services for Generative AI and complex RAG solutions. You will work across AI workflow orchestration, information retrieval, evidence processing, LLM integration, response generation and validation This role requires strong production Python experience and practical experience delivering Generative AI and RAG solutions beyond proof of concept. Job Responsibilities/Objectives: Design, develop and maintain production-grade Python services for Generative AI and RAG solutions. Build and integrate LLM workflows using structured outputs, tool calling, schema validation and controlled fallbacks. Implement vector, lexical and hybrid retrieval, metadata filtering, reranking and evidence selection. Build asynchronous services with appropriate timeout, retry, cancellation and exception handling....

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...

Senior Flutter Engineer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We are seeking an experienced Senior Flutter Engineer to join a fast-paced development team delivering high-quality mobile applications. You will play a key role in designing, developing, and maintaining cross-platform applications using Flutter, while contributing to architecture decisions, code quality, and engineering best practices. 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: Design, develop, and maintain scalable Flutter applications for iOS and Android. Collaborate with Product Managers, UX/UI Designers, and Backend...

Randstad are recruiting for a Senior Project Manager (Construction) to oversee a large scale Water Treatment Projects across North London. This is a SITE BASED role (5 days a week on site in North London). This is a freelance role with approximately 12-18 months duration. Payment type is Outside IR35 (subject to candidate IR35 Assessment) ONLY CANDIDATES WITH TIER 1 CONSTRUCTION / WATER / HEAVY CIVILS EXPERIENCE WILL BE CONSIDERED (ENGINEERING DEGREE / HNC REQUIRED) Previous experience working on Thames Water projects highly advantageous Our client is a reputable main contractor highly regarded within the water industry with significant work in the pipeline. Scope of works includes: Heavy Civils / RC / Drainage / Interface with other disciplines /Microtunnelling The role: As a key leader within our Delivery team, you'll report directly to the Head of Operations and work closely with our Contracts Manager for Water. You'll be responsible for the overall success of...

My client, an industry leading construction and civil engineering firm are looking for an experienced Civil's Construction CRE to join their work winning team in Manchester. This is a 6 month contract, inside IR35. Candidate Responsibilities: Sign off as the nominated Construction CRE, taking technical and engineering accountability for civil construction activities on site. Review, sign off, and enforce Work Package Plans (WPPs), Task Briefs (TBSs), and Inspection and Test Plans (ITPs). Work closely with the Design CRE and CEM to resolve technical queries (RFIs) and manage design changes or variations seamlessly. Ensure all construction works comply with Network Rail standards, Railway Group Standards, and project specifications. Manage temporary works on site, ensuring compliance with BS 5975 and working closely with the TWC. Conduct regular site inspections, engineering audits, and quality checks to drive zero-defect delivery. Lead engineering shift...

London has a number of Civil engineering projects across all sectors. We are currently looking for Site / Project engineers / Senior Project Engineers and above with Tier 5, Ancestry or applicable Visas to relocate to London and join some of the largest and most interesting Civil engineering projects in the world. You will be working for Tier 1 main Contractors with proven pedigree. You duties will be similar to Australia and New Zealand and day rates are excellent. Most contracts are for 6-24 months Duties will include: Engineers and subcontractor management and / or Self delivery Planning, forecasting and delivering work Liaising with clients and stakeholders Developing programmes, Risk assessments, Quality assurance. Commercial management Managing design, NCRs, RFI's, H&S etc. Randstad CPE values diversity and promotes equality. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the...

AI Product Manager / Lead AI Product Manager / Head of Product / Senior AI Product Manager Conversational AI experience will be massively advantageous £650 - £750 p/d - Umbrella engagement - 5 month initial contract - 1 day per week on site in Bristol FinTech or Financial Services is essential for this requirement Overview: We're looking for an experienced a AI Product Lead / Senior Product manager with strong AI exposure to lead the development and delivery of customer-facing AI products across voice and digital channels. You'll shape product vision, strategy, roadmap and performance, working with cross-functional teams and external AI partners to create intelligent experiences that improve customer outcomes, automate interactions and deliver measurable commercial value. You'll take products from discovery and experimentation through to delivery and optimisation, using customer research, data, rapid prototyping and feedback loops to validate...

Solution Architect / Senior Solution Architect - Modern Architecture £650 - £750 p/d - IR35 TBC - 6 Month initial contract but likely to be extended Overview: We're looking for an experienced Solution Architect to join a major technology modernisation programme, helping transition a complex technology estate away from legacy platforms towards a modern, cloud-native, domain-oriented and event-driven architecture. This is a highly delivery-focused architecture role. You'll work closely with engineering teams to define solutions, validate architectural approaches and ensure they can be successfully implemented within a production environment. What you'll be doing Designing API-first architectures and integration patterns Exploring and implementing event streaming and messaging technologies , including Kafka Designing and delivering cloud-native solutions within AWS Defining microservices and distributed system architectures Designing...

Job Title: Data Analyst Location: Halifax / Leeds / Hybrid Contract Type: 6 months contract Our client, a leading organisation in the banking sector, is seeking a talented and motivated Data Analyst to join their team. This is an exciting opportunity to be at the forefront of one of the most significant data transformation programmes in UK financial services. The role is designed for individuals who are eager to make a meaningful impact by transforming complex business needs into trusted data solutions. Key Responsibilities: Transform and Analyse: Dive deep into customer journeys, data lineage, and end-to-end data flows to uncover valuable insights that drive strategic decision-making. Collaborate: Work closely with business stakeholders, product owners, architects, and data engineers to translate business needs into clear and actionable requirements. Investigate Data Lineage: Trace critical data from its source to consumption, identifying dependencies...

Exciting Opportunity for a Sub Agent in the Water/Wastewater Industry Role: Sub Agent Location: Multiple Position across Lancashire Rate: Up to £600 per day DOE - Inside IR35/Umbrella PAYE Duration: 12 Months+ Sector: Wastewater Non-Infrastructure About the business Join a dynamic Tier 1 contractor at the forefront of the water industry, currently delivering major projects across the United Utilities framework. Due to continued growth and a strong pipeline of AMP8 work, an exciting opportunity has arisen for an experienced Sub Agent to support the successful delivery of wastewater and water treatment projects across the Lancashire region. This contractor is recognised for embracing innovation and digital engineering, investing heavily in modern construction technologies, BIM and digital delivery systems to improve project performance. If you're looking to join a forward-thinking business that is leading the way in technology and project delivery, this is an opportunity not...

Role: Senior Project Cintrols Engineer Position: Contract Location: Somerset Innovation Park, Bridgwater, Somerset (J23 M5) Days on Site: 3 Duration: approx until 31st Dec 2027 Pay: up to 560 PAYE - 760 Umbrella Job Purpose / Overview EDF are leading the UK's Nuclear New Build Programme constructing a nuclear power station at Hinkley Point C, Somerset and Sizewell C, Suffolk. Working within a key aspect of an Integrated Project Controls team, our team aims to act as a centre of excellence for project controls implementation. We are the intelligent owners of the single source of delivery performance information, operating as an integrated enabler for the successful delivery of the HPC project. We work as part of a matrix organisation supporting one of the following programmes/areas within the project: Central, Site, Engineering, MEH, Nuclear Island (NI), Conventional Island and Balance of Plant, Instrumentation and Controls, and Commissioning. The role of...

Astute's Power Team are currently recruiting for a Senior Authorised Person to join the EPC Contractor on the new build Energy from Waste Turbine project based in Scotland. The day rate for the SAP position is from 500.00 to 600.00 per day outside of IR35. Role responsibilities and key skills for the role: Act as the SAP for 11kV systems under company and DNO/IDNO authorisation. Carry out switching operations, issue safety documents (PTW, SFT, LOA), and ensure all HV works are executed safely. Supervise and coordinate HV commissioning activities, including protection testing, cable terminations, and system energisation. Liaise with project managers, design engineers, and client representatives to ensure HV milestones are achieved. Ensure all work is carried out in line with statutory regulations, industry standards, and internal HSEQ policies. Maintain up-to-date HV records, test results, and safety documentation. Provide technical leadership and mentoring to...

Electrical Outage Manager Surrey 12+ Month Contract £500+ a day OUTSIDE IR35 pending review The Role Ganymede is currently seeking an experienced Electrical Outage Manager to take ownership of outage planning across a major infrastructure programme within Surrey. This opportunity will give you responsibility for coordinating approximately 100 planned outages across a major programme, working across Construction, Mechanical, Electrical and Operational teams to ensure critical works can be completed while minimising disruption to live operations. The Responsibilities As Outage Manager, you will take outages from initial strategy and planning through to live delivery. You will develop detailed schedules, coordinate labour, engineers, technicians, contractors, plant and equipment, manage electrical isolations and ensure the necessary permits, documentation and controls are in place before work begins. During live outages, you ll provide the on-site coordination...

UNIX Engineer Location: Barrow-in-Furness (On-site 50% of the time) Security Clearance: SC Cleared or Eligible to Obtain SC Employment Type: Contract Inside IR35 Damia Group is a specialist technology recruitment partner, supporting the delivery of critical programmes across the Defence, Government and National Security sectors. We are currently seeking an experienced UNIX Engineer to join a high-profile programme supporting complex enterprise infrastructure within a secure environment. This is an excellent opportunity to work on large-scale, business-critical UNIX platforms, contributing to infrastructure resilience, system modernisation and ongoing operational support. The Role As a UNIX Engineer, you will play a key role in the administration, support and enhancement of enterprise Oracle Solaris environments. You'll work alongside infrastructure specialists to deliver resilient, secure and high-performing UNIX platforms supporting mission-critical services....

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Role: Electrical Systems Modelling and Simulation Engineer Location: Derby or Bristol - 3 days in office / 2 days work from home Rate: Umbrella: 98 per hour / PAYE: 82.70 per hour Duration: 12 months with the likelihood of extending Hours: 37.5 hours per week Monday to Friday Proactive currently have an excellent opportunity for an Electrical Systems Modelling Engineer to work on cutting-edge defence technology, helping to model, simulate and validate the electrical systems that will power future airborne platforms. Working within a team of simulation experts, the Electrical System Modelling & Simulation Engineer will support the design, integration and validation of complex electrical systems through advanced modelling, simulation and analysis. This is a highly innovative R&D environment where the Electrical Systems Modelling Engineer will influence future technologies. Key Responsibilities Develop electrical system models and simulations to support...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java / Angular / Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension Rate : 700 - 750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications, cloud-native services, and modern user experiences. The...