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 Java Developer Location: Bromley & London - Hybrid ( 3 days in office is essential) Contract: 12 months with possible extension for one more year. Rate: 750 - 800 inside umbrella. In connection with the ongoing support and development of the Futures & Options and Collateral business for Global Markets, we are looking for a highly experienced, strong Java and Developer to join the technology teams in Bromley, London working on a range of applications for Collateral. The successful candidates should have the following responsibility and...

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 .Net Developer Location : Bromley (3 days per week onsite) Contract: 12 months initially with possible extension. Rate : 700 - 750 inside umbrella In connection with the ongoing support and development of the Collateral business for Global Markets, we are looking for a strong Software Developer to join the technology teams in London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical applications built in C# .NET 8.0 / 10. The successful candidate will be expected...

Product Controller (Contract) Duration: Up until 28 February 2027 (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile This P&L Reporting role sits within the Product Control team and includes many responsibilities which overlap with the functions of the Financial Control team. It is an important role in the Finance department as the principle face off to the Front Office traders for the daily P&L reporting of the Product Group which includes P&L reporting and financial control of multiple desks. Key Accountabilities: Daily P&L reporting for all products and services of the derivatives trading business , with focus on IRS, CCS and RPI Trades Daily reporting of XVA, marketing and remote booked PnL. Agree sign off with relevant desks Embed and understand enhanced PnL attribution reporting Own and...

Platform Engineer 6 Months £529 -£629/Day Inside IR35 London/ Milton Keynes Clearance: DV We are seeking a Platform Engineer/ Senior Infrastructure Engineer our Government client based in London or Milton Keynes. This role will be office based 60% and remote 40%. The Platform Engineer/ Senior Infrastructure Engineer role will be an initial 6 month contract paying between £529 - £629/Day Inside IR35. This role is inside IR35 - Due to the service of the role it will now be based on an Umbrella solution. Clearance: DV Role Profile: The role will focus on deploying and supporting XDR agents, Azure Arc onboarding, Azure Monitor Agent (AMA) installations, infrastructure monitoring, and maintaining secure, reliable platform services across Windows and Linux server estates. Deploy, configure, and support Microsoft Azure infrastructure services. Install and onboard Windows and Linux servers to Azure Arc. Configure and manage Azure...

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...

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....

Interim Finance Director Rapid Growth Tech Consultancy Remote First (UK) The Client Harmonic is delighted to be partnering with a remote-first, technology-led Consultancy business that has scaled quickly by building its own technology, with genuine ambitions to be AI-native in the way it operates. The business is investing in and professionalising its finance function for the next stage of its growth, and needs an experienced interim finance leader to hold the reins while that build takes shape. The Role Reporting to the CEO and working alongside the interim CFO, the Interim Finance Director will take ownership of the day-to-day running of the group finance function through a period of transition. You will lead a small finance team (a financial controller and a finance assistant), own management reporting, cashflow and financial control, and act as a senior finance partner to the founder. This is a hands-on and strategic interim role; the immediate...

Job Title: eFront Senior Business Analyst / Consultant Location: London (hybrid - 3 days in office per week) Salary/Rate: (Apply online only) per day outside IR35 Start Date: October Job Type: Initial 9 month contract Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled eFront Business Analyst / Senior Consultant to support a private equity client in London. Job Responsibilities/Objectives Managing day-to-day eFront BAU activities, including reporting, data queries and issue resolution. Supporting private equity fund operations and fund administration processes. Delivering data migration activities, including troubleshooting uploads and data quality issues. Supporting outsourcing transitions from internal fund administration to external providers. Working closely with business, technology and third-party stakeholders to resolve issues and deliver...

Technical Business Analyst (Contract) Duration: 12 Months (Possibility for extension) Location: London or Bromley/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile Our client, a prominent player in the investment banking sector, is seeking a skilled Technical Business Analyst to join their team on a fixed-term contract basis. This role presents an exciting opportunity to contribute to the Strategic Full Revaluation Capability (SFRC) platform by ensuring the integrity and quality of data across various operational processes. Key Responsibilities: Design, implement, and execute data quality controls to uphold the completeness, accuracy, and integrity of reporting data across batch runs. Execute validation checks for daily batch processing cycles, ensuring adherence to established data quality standards. Conduct reconciliations between...

Job Title: Monte Carlo Implementation SME / Consultant Location: London (hybrid - 3 days onsite per week) Salary/Rate: (Apply online only) per day inside IR35 Start Date: October Job Type: Initial contract until February 2027, with scope to extend Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Monte Carlo Implementation SME / Consultant to join their global asset manager client on a hybrid basis. Job Responsibilities/Objectives The organisation is currently implementing Monte Carlo as part of a wider Aladdin / Snowflake build and is looking to bring in an experienced resource to support the configuration, setup and implementation of the platform. This is a hands-on implementation and SME role rather than a traditional Business Analyst or engineering position. The successful candidate will have practical experience working with Monte Carlo and be...

Job Title : Private Secretary - SC Location: Hybrid / Nationwide (2 days/ week on site at the closest hub) Contract Duration : 6 Months Daily Rate: £650/day (Umbrella) IR35 Status: Inside IR35 Security Clearance: SC This organisation is delivering large-scale digital transformation, strengthening cyber resilience, improving delivery planning and driving greater value from technology-enabled services. Operating in a high-profile environment, its digital services support critical business outcomes and are subject to significant stakeholder scrutiny. As a Private Secretary: Technical Lead, you will support senior leadership and work close to strategic decision-making, coordinating priorities, managing complex stakeholder relationships, producing high-quality briefings, tracking delivery, and applying sound judgement in a fast-paced environment. Success requires initiative, excellent communication, strong organisational skills, and confidence working across technical,...

SC Cleared DevOps Engineer - 6 months + (Apply online only)pd Inside IR35- London ( Hybrid working of 2-3 days on site per week/ rest wfh) We are looking for an experienced DevOps Engineer to join our consulting client. Essential: At least 7 years of DevOps experience Experience of leading DevOps teams and mentoring of junior members Experience with cloud platforms such as AWS, Azure and GCP Experience of designing, building and managing CI/CD Pipelines using tools such as Jenkins, Git, Bamboo or cloud platform variants Experience of containerisation and orchestration technologies including Docker and Kubernetes Experience of scripting using Python, Bash or PowerShell Experience creating designs and documentation A passion for learning new technologies and innovation Excellent interpersonal skills Desirable: Understanding of SRE principles Experience of security protocols such as PKI, TLS etc Skills: Containerization DevOps DevOps Engineering DevOps...

Great opportunity to work with this leading international Consulting Engineers who are looking to bring on board a driven and experienced Senior Electrical Design Engineer, Outside IR35, to be an active part of a specialist design team consultancy to work on a variety of Hyper scale Data Centre projects. Key Responsibilities:- Create electrical design drawings and specs for Data Centre Projects. Ensure designs meet all standards and regulations. Support sustainable design and use of innovative tech Work closely with colleagues, clients, architects, and contractors Manage project deadlines, budgets, and deliverables. About you: You should hold Degree (or historic equivalent) in Electrical Engineering or related field.- Should have extensive experience in Mission Critical design and building services design, specifically on data centres.- Sound knowledge of British Standards and building regulations.- Strong communication skills.-. Your expert recruitment consultant is...

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...

MEP Design Manager (Lifts & Escalators) West London Hybrid Working 550 - 650 per day Inside IR35 Contract until 2028 We are recruiting for an experienced MEP Design Manager with a strong background in Lifts & Escalators to join a major infrastructure project in London. Working closely with the MEP Package Manager, you will take ownership of lift and escalator design packages, driving them through design reviews, approvals, certification and final delivery. You will manage key suppliers, resolve technical issues and ensure full design compliance throughout the project lifecycle. Requirements: Experience managing Lift & Escalator design packages MEP Design Management background Major infrastructure, rail, transport or complex construction project experience Strong stakeholder and supplier management skills Experience working with suppliers Proactive approach with the ability to deliver packages through to completion CSCS White or Black Card...

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...

Job Title: Senior Business Analyst - Allvue & Private Credit Location: London (hybrid - 3 days in office) Salary/Rate: (Apply online only) per day inside IR35 Start Date: 2-3 weeks Job Type: Initial 4 month contract (scope to extend) Company Introduction We have an exciting opportunity now available with one of our sector-leading consultancy clients! They are currently looking for a skilled Senior Business Analyst with deep experience implementing AllVue within a private credit environment to join our banking client in London on a hybrid basis. Job Responsibilities/Objectives The ideal candidate will combine strong Senior Business Analyst capabilities with deep Private Credit domain knowledge and proven AllVue implementation experience. Given the specialist nature of the requirement, candidates with recent, hands-on AllVue delivery experience are particularly sought after. The ideal candidate will combine strong Senior BA skills, deep Private Credit...

Job Title: Benefits Lead - SC Location: Hybrid 1-2 days per week on site in either London or Bristol Contract Duration : 31/3/27 Daily Rate: £600/day (Umbrella) IR35 Status: Inside IR35 Security Clearance: SC The Benefits Lead will own and drive the realisation of measurable benefits from the programme, ensuring the transformation delivers tangible value to the organisation and the taxpayer. This role will lead the benefits management strategy, define baselines and targets, and embed benefits tracking and reporting throughout delivery and into business-as-usual. Responsibilities: Benefits Strategy & Planning Benefits Identification & Realisation Engagement & Change Enablement Tracking, Measurement & Reporting Risk & Dependency Management Essential: Proven track record in benefits management for major transformation programmes, ideally in a public sector, Defence, or large-scale corporate services context. Strong knowledge of...