75 technical lead jobs found

Senior Technical Lead/Architect (C) - FICC Trading Platforms - Hybrid London Start Date: August/September Location: London 3 days pw, rest remote IR35: Outside Rate: £900pd (negotiable) Duration: 3 - 6 months (likely extensions) The Candidate: Our client is seeking a highly experienced Senior Technical Lead/Architect with deep expertise in C programming and extensive experience building, enhancing, and modernizing trading platforms within Fixed Income, Currencies, and Commodities (FICC) environments. The ideal candidate combines strong hands-on engineering capability with architecture leadership, system design expertise, and a proven track record of optimizing high-performance, low-latency applications used by Front Office trading businesses. This role will drive technical strategy, architecture decisions, platform modernization, performance tuning, and engineering excellence across mission-critical trading systems. Key Responsibilities: Lead...

SC/DV Cleared Technical Lead London (Hybrid) | Outside IR35 Contract | SC or DV Clearance Required We're supporting a major public sector transformation programme and are looking for an experienced Technical Lead to provide technical leadership across complex delivery teams. This role is ideal for someone who enjoys leading engineers, shaping technical solutions and working closely with architects and delivery teams to ensure secure, high-quality outcomes. While you'll have a strong technical background, the focus is on leadership, technical oversight and successful delivery. Location: London 2-3 days/week Rate : Up to £650/day Outside IR35 Contract Length : 12 months initial Clearance Required: Active SC (minimum) Responsibilities: Provide technical leadership and engineering oversight Work closely with architects, product managers and delivery teams Review technical designs and implementation approaches Mentor and support engineers across the team Drive...

Senior Technical Lead/Architect (C) - FICC Trading Platforms - Hybrid London Start Date: August/September Location: London 3 days pw, rest remote IR35: Outside Rate: £900pd (negotiable) Duration: 3 - 6 months (likely extensions) The Candidate: Our client is seeking a highly experienced Senior Technical Lead/Architect with deep expertise in C programming and extensive experience building, enhancing, and modernizing trading platforms within Fixed Income, Currencies, and Commodities (FICC) environments. The ideal candidate combines strong hands-on engineering capability with architecture leadership, system design expertise, and a proven track record of optimizing high-performance, low-latency applications used by Front Office trading businesses. This role will drive technical strategy, architecture decisions, platform modernization, performance tuning, and engineering excellence across mission-critical trading systems. Key Responsibilities: Lead...

Integration Technical Lead | MuleSoft | Contract We're looking for an experienced Integration Technical Lead to join a large-scale enterprise transformation programme, leading the delivery of around 30 system integrations using MuleSoft. You'll provide technical leadership across the integration landscape, taking ownership of complex integrations while overseeing an offshore delivery partner through design reviews, code quality, and technical assurance. This is a hands-on role where you'll support development, troubleshoot issues, and help establish a scalable, supportable integration capability. Key skills: MuleSoft Anypoint Platform API-led architecture, REST/SOAP & DataWeave Enterprise integration delivery Technical leadership and supplier management DevOps, CI/CD and Git ERP integration experience This is an initial 6-month contract, Outside IR35, with largely remote working and occasional onsite attendance as required.

Technical Architect | Outside IR35 | Remote We are looking for a Lead Technical Architect to support a Discovery focused on developing a future case and incident management capability within a complex public sector environment. This role will suit an experienced architect who can operate across enterprise and solution architecture, bringing structure and technical direction to an early-stage programme. The Role You will lead the technical architecture workstream, working alongside enterprise and data architects and a wider multidisciplinary team. You will assess the existing technology landscape, explore potential future-state approaches and provide the technical evidence required to inform the next phase of delivery. Key Responsibilities Assess and document the current systems, integrations, data flows, dependencies and technical constraints. Ensure proposed approaches align with organisational architecture strategy, standards, governance and existing capabilities. Evaluate...

Sitecore Technical Consultant / Developer Fully Remote | Outside IR35 Contract Build enterprise digital experiences using one of the world 's leading CMS platforms. We 're looking for an experienced Sitecore Technical Consultant / Developer to join a large-scale digital transformation programme. This is an opportunity to work on complex Sitecore implementations, integrations, platform enhancements and website development projects within a highly collaborative technology team. You 'll play a key role in designing, developing and supporting enterprise-grade web solutions, working across modern .NET technologies, cloud platforms and best-practice development frameworks. Key Responsibilities Develop, enhance and maintain Sitecore-based websites and digital platforms. Design and build scalable solutions using C#, .NET and Sitecore CMS. Work with stakeholders to translate business requirements into technical solutions....

Sitecore Technical Consultant/Developer Fully Remote | Outside IR35 Contract Build enterprise digital experiences using one of the world's leading CMS platforms. We're looking for an experienced Sitecore Technical Consultant/Developer to join a large-scale digital transformation programme. This is an opportunity to work on complex Sitecore implementations, integrations, platform enhancements and website development projects within a highly collaborative technology team. You'll play a key role in designing, developing and supporting enterprise-grade web solutions, working across modern .NET technologies, cloud platforms and best-practice development frameworks. Key Responsibilities Develop, enhance and maintain Sitecore-based websites and digital platforms. Design and build scalable solutions using C#, .NET and Sitecore CMS. Work with stakeholders to translate business requirements into technical solutions. Deliver integrations with third-party platforms, APIs...

Client : Public Sector Location : Hybrid, London or Birmingham, 2 days per week onsite Engagement Type : Contract (Outside IR35) Day Rate : Up to £500 per day, depending on experience Clearance : Active SC Clearance required (Mandatory). Should be immediately available to start the new role About the role A public sector client needs a Senior Boomi Architect to set the technical direction for a high-profile integration programme. This is the person who owns how integrations get designed across the estate, then stays close enough to the build to keep those standards real. You'll define the architecture and the reusable patterns the wider team delivers against. You'll also stay hands-on where it counts: shaping the complex integrations, unblocking the team, and making the calls that keep business-critical services running. It's a hybrid role. You'll be onsite at either the London or Birmingham office 2 days a week, with the site confirmed during the process....

Data Engineering Tech Lead Location: London (1 day per month onsite) Duration: Initial 6-Month Contract Pay Rate: £650 - £680 (Outside IR35) The Opportunity We're supporting a growing loyalty and rewards organisation that is continuing to expand its data capability following significant business growth. They are seeking a hands-on Data Engineering Tech Lead to provide technical leadership across their data platform, working closely with the Head of Data to drive architectural decisions, engineering standards and platform evolution. This is a technical leadership role rather than a people management position, with a strong focus on remaining hands-on with engineering and delivery. Key Responsibilities Lead technical design and architecture across the data platform. Provide guidance on engineering best practices and technical standards. Conduct code reviews and support quality assurance activities. Work closely with the Head of Data on technical...

Data Engineering Tech Lead Location: London (1 day per month onsite) Duration: Initial 6-Month Contract Pay Rate: £650 - £680 (Outside IR35) The Opportunity We 're supporting a growing loyalty and rewards organisation that is continuing to expand its data capability following significant business growth. They are seeking a hands-on Data Engineering Tech Lead to provide technical leadership across their data platform, working closely with the Head of Data to drive architectural decisions, engineering standards and platform evolution. This is a technical leadership role rather than a people management position, with a strong focus on remaining hands-on with engineering and delivery. Key Responsibilities Lead technical design and architecture across the data platform. Provide guidance on engineering best practices and technical standards. Conduct code reviews and support quality assurance...

Technical Project Manager/Scrum Master (Hands-on Development) - Hybrid London Start Date: August/September 2026 Duration: 3-6 months (Likely Extensions) Day Rate: £800-£900 per day (Negotiable) IR35 Status: Outside IR35 Location: London (Hybrid - Minimum 3 days per week onsite) Key Skills & Experience: Technical Leadership & Delivery Proven experience operating as a Technical Project Manager, Scrum Master or Technical Delivery Lead. Strong Agile delivery experience across multiple software development teams. Experience managing complex technical projects within Banking or Capital Markets. Comfortable managing both technical delivery and stakeholder expectations. Strong understanding of software development life cycle, Agile methodologies and engineering best practices. Hands-on Software Development: This is a hands-on technical role. Candidates must remain technically active and able to contribute directly to software development....

Qlik Migration Consultant Hybrid 4 days on site Outside IR35 £450 - £500 London We're looking for an experienced Qlik Migration Consultant to lead a migration project from end-to-end with minimal supervision. This role would suit someone who has independently delivered Qlik to Power BI migrations previously and is comfortable taking ownership of the technical approach, stakeholder engagement, and overall delivery. Key Skills & Experience Proven experience delivering Qlik migration projects to Power BI independently Strong Qlik development and report/dashboard redesign experience Ability to assess existing environments and define migration strategy Strong SQL skills and experience working with SQL-based data platforms Exposure to Databricks, SQL Server, or similar database technologies Ability to write SQL scripts and support data pipeline development where required Requirements Assess the current Qlik environment and define the migration approach Lead the...

Title: AI Architect/Solution Architect Location: Remote Day Rate: Competitive day rate (Outside IR35) Contract Type: 12-Month Contract - Outside IR35 Start: Immediate Company: 167 Solutions Ltd (on behalf of an enterprise client) Overview 167 Solutions Ltd are recruiting for an AI Architect/Solution Architect on behalf of an enterprise client delivering large-scale AI transformation programmes. This is a high-impact contract role for a seasoned architect who can operate across both strategic and hands-on dimensions - defining AI solution architecture at enterprise scale while driving prototypes through to production. You will work at the intersection of Generative AI, cloud infrastructure, and data science, translating complex business requirements into robust, scalable solutions. Outside IR-Month Contract Remote Immediate Start Key Responsibilities Lead the end-to-end design and delivery of AI and ML solutions across enterprise environments...

Integration Architect - Kafka Rate: £600 per day (Outside IR35) Duration: 6-month contract Location: London - 4 days per week onsite Overview: I'm currently supporting a client on a major transformation programme who are looking to appoint a highly experienced Integration Architect to define and lead their enterprise integration strategy. This is a hands-on technical architecture position where you'll be responsible for shaping the future integration landscape, establishing architectural standards and building a modern event-driven ecosystem. You'll work closely with engineering leadership to create an integration capability centred around Kafka, microservices, cloud native technologies and API-first principles, whilst helping to build and mentor a high performing integration engineering team. Responsibilities Define and own the enterprise integration strategy across multiple business domains. Design a scalable, event-driven architecture using Kafka as the core...

We are seeking an experienced Google Cloud Platform (GCP) Architect to join a leading telecommunications organisation, Colt Technology Services , on an Outside IR35 contract. This role will be responsible for designing and delivering enterprise-scale cloud solutions, defining cloud architecture standards, and leading cloud transformation initiatives across mission-critical telecom platforms. The ideal candidate will have strong expertise in Google Cloud Platform , cloud-native architecture, networking, security, automation, and modern data platforms within large enterprise environments. Previous experience in the Telecommunications industry is highly desirable. Key Responsibilities Design and implement scalable, secure, and highly available cloud architectures on Google Cloud Platform (GCP). Define cloud strategy, architecture principles, governance, and best practices. Lead cloud migration initiatives from on-premise infrastructure to GCP. Design...

UI Architect Global Financial Services/Payments Client Location: London - 4 days per week Rate: £550-£570 per day Contract: 6 months initial IR35 Status: Outside IR35 Role Overview We are supporting a global financial services organisation operating in cross-border payments and emerging markets as they continue a large-scale technology transformation. They are looking for an experienced UI Architect to lead the design and delivery of scalable, modern Front End platforms aligned to a microservices architecture. This is a hands-on architecture role with responsibility for defining standards, driving best practice and shaping the Front End ecosystem across multiple products. Key Responsibilities Define and own Front End architecture across a microservices-based platform Design scalable UI solutions aligned to API-first Back End services Establish reusable components, UI standards and enterprise design systems Define integration approaches with RESTful and...

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern technology solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an experienced Solutions ( Infrastructure) Architect to support a large-scale project within a highly regulated environment. This role will provide architecture leadership across cloud platforms, infrastructure services, security, and platform engineering, ensuring solutions are secure, scalable, resilient, and aligned to best practice. You would bring strong infrastructure and cloud architecture experience, working closely with engineering teams, suppliers, and senior stakeholders to shape, govern, and deliver strategic technical solutions. Key Responsibilities: Lead solution architecture and ensure Secure by Design principles are Embedded throughout delivery. Define and govern infrastructure, platform, and cloud architecture across the programme. Provide technical...

About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact. Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors. Past and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery life cycle,...

Finance Business Analyst Assignment type: 6 month contract (outside IR35)   We are looking for a Finance BA to support an International Cash and Treasury Management project. The Business Analyst will be responsible for all requirements, business process analysis and documentation and support change activities related to the Initiation phase of this project.   Core deliverables Working with the PM and business SMEs to analyse processes, gather and refine requirements, and gain approval. Producing clear documentation such as process maps, data models, gap analyses, and training materials.   Business Processes Full documentation of “as is” and “to be” process and data flows for all Treasury activities, validated and signed off by business stakeholders Lead the consolidation of all TMHCC international bank account feeds into the PS Treasury module for complete data accuracy and visibility  ...

Contract Type: Outside IR35 Pay rate: £750-£950 A leading London Market insurer is seeking an experienced Senior Product Analyst to play a pivotal role in the transformation of its underwriting technology landscape. Working at the heart of a major Policy Administration System (PAS) modernisation programme, you will partner with underwriting, operations and technology teams to design and deliver digital capabilities that enhance the end-to-end policy lifecycle. This is an excellent opportunity to influence product strategy, shape future platform capabilities and deliver meaningful improvements to underwriting processes across the London Market. The Role Lead discovery activities to identify business challenges, uncover improvement opportunities and define innovative product solutions across the underwriting lifecycle. Partner with Underwriters, Underwriting Assistants, Operations, Compliance, Technology and Architecture teams to ensure products are aligned...