202 information technology jobs found in London

Data Engineering Consultant(s) | FinOps, Data Transformation | Contracts £500-800 per day – Outside IR35 | Hybrid – London | 9-months Contract Company: Our client is one with international reach and a highly regarded reputation that specialises in FinTech software for some of the largest banks in the world. They are in the middle of a major digital transformation — reimagining its core data infrastructure to power smarter decisions, faster operations, and better customer outcomes. Job opportunity details for a Data Engineering Consultant(s) | FinOps, Data Transformation | Contracts £500-800 per day – Outside IR35 | Hybrid – London | 9-months Contract We’re hiring Data Engineers across multiple specialisms to help build high-throughput, scalable pipelines and lay the foundations for modern FinOps and MLOps capabilities. Whether your strength is MLOps , ETL/Data Lakes , or relational databases like Postgres, there’s a place here for deep technical...

Senior ETL / Data Lake Engineer, Data Engineering | FinOps, Data Transformation | Contract £500-600 per day - Outside IR35 | Hybrid – London | 9-months Contract Company: Our client is one with international reach and a highly regarded reputation that specialises in FinTech software for some of the largest banks in the world. They are in the middle of a major digital transformation — reimagining its core data infrastructure to power smarter decisions, faster operations, and better customer outcomes. Building a modern data lake to power its digital transformation — and we’re hiring an ETL / Data Lake Engineers to build out the pipelines and ingestion flows that feed the whole engine. Job opportunity details for Senior ETL / Data Lake Engineer, Data Engineering | FinOps, Data Transformation | Contract £500-600 per day - Outside IR35 | Hybrid – London | 9-months Contract You’ll work with: Tools like Airflow, Airbyte, Fivetran AWS S3, Athena, Delta...

Senior Cloud Engineer (AWS) Outside IR35 Contract Location: Remote/ occasional travel to London Duration: Initial 3 month contract (likely extension) Rate: Competitive (DOE) We are currently looking for a Senior Cloud Engineer (AWS), available at short notice to join one of our well established global clients. What makes this an exciting opportunity for a contractor not only is this outside of IR35, this particular area of the business is at the beginning part of the journey to the cloud and are retiring the on prem workflow and re-platforming to the cloud. This is a high profile challenge with in the organization and is a highly rewarding opportuning that us being built from the ground up with end to end visibility. We are seeking an experienced Senior Cloud Engineer who is a subject matter expert in AWS, with some experience/broadcast background and though this is Engineer role where you will be expected to be hands on we are looking those individuals with...

Award winning FinTech now requires an experienced C++ Market Data Developer with experience with Market Data feed handlers to work on a complex, business critical programme. The C++ Market Developer will have experience of writing production level C++ and Python and have a strong understanding of market data protocols such as ITCH, EOBI, iMpact, Optiq, GTP (Group Ticker Plant). The role holder will be responsible for migrating Python data parsers into C++ to improve performance, precisely maintaining existing functionality, developing a Google Test unit tests for the new C++ code, in existing framework and comparing the C++ / Python output using existing tools The ideal C++ Market Data Developer will have the following skills / experience: Experience of working with market data protocols such as ITCH, EOBI, iMpact, Optiq, GTP (Group Ticker Plant). Industry experience of writing production-level C++ and delivering functioning, well-tested systems. Industry...

Senior MLOps Engineer, Data Engineering | FinOps, Data Transformation | Contract £700-800 per day - Outside IR35 | Hybrid – London | 9-months Contract Company: Our client is one with international reach and a highly regarded reputation that specialises in FinTech software for some of the largest banks in the world. They are in the middle of a major digital transformation — reimagining its core data infrastructure to power smarter decisions, faster operations, and better customer outcomes. Our client is transforming its data infrastructure — and a key part of that is bringing machine learning into production the right way. Job opportunity details for Senior MLOps Engineer, Data Engineering | FinOps, Data Transformation | Contract £700-800 per day - Outside IR35 | Hybrid – London | 9-months Contract We’re looking for a Senior MLOps Engineer to build out robust pipelines that make model deployment repeatable, scalable, and observable. You’ll...

Software Engineer - Outside IR35 Key Details: Outside IR35, Up to £600 per day, Key Skills: Python, PostgreSQL twentyAI have partnered with a PE backed start-up that are looking at building a cutting edge Deals CRM. The founder ex-PE has meticulously built out this platform alongside one other, over the course of the last few years. The current environment, from a backend perspective, is fairly rudimentary and they are seeking the services of a Python consultant who has a strong understanding of building scalable environments and working with Postgres for their database. This would suit a freelance consultant that has plenty of startup experience and is looking to use their Python skillset to advise and grow another company. This is an Outside IR35 project with occasional office travel to Marble Arch, paying up to £600 per day.

Azure Data Architect - Outside IR35 - London Key Details: Outside IR35, 2 Days a week on site Key Skills: Azure, Databricks, MS Fabric, Terraform twentyAI are working with a prestigious, market-leading Private Bank that are looking at transisitioning to having a more technological approach to their business. They currently have a back-log of Data Architecutre work that needs to be addressed. This is a great opportunity for an aspiring business focused Data Architecture that also has a heavy grounding in MS technologies (Fabric). This would be an initial 6 month project with a scope to extend. As the business is looking for someone to work closely with stakeholders they will require a minimum of 2 days a week on site in London.

Title: Senior Java Developer Client: Leading Trading Firm Rate: Up to £725 p/d Duration: 6 Month - Rolling Location: London - Hybrid We are looking for a Java Developer, with strong experience working in the finance sector, to join a leading trading firm based in London. This role will give you the opportunity to work on Greenfields development projects, focussing on buy side trading platforms, working alongside some of the best developers the sector has to offer! This is a 6 month rolling contract with very high chance of extension! Skills/Experience Strong hands-on/commercial coding experience in Java Strong experience working in the finance sector - Options experience a big plus Strong Communication skills A personality and genuine passion for technology! If this sounds like something that may be of interest, then please do not hesitate to reach out for more information!

JOB TITLE: Senior Software Developer - Freelance - Outside IR35 COMPANY: PPC Creative Limited REPORTING TO: Chief Operating Officer DEPARTMENT: Technical Support LOCATION: Remote COMPANY OVERVIEW Picture Production Company is a leading International Creative Production agency that combines a dedicated award-winning creative team with unparalleled post-production facilities. With offices in London and LA, we offer a full agency cross platform marketing service that delivers on brief, on budget and on schedule – our commitment, our passion, and our attention to detail can be seen on-screen in every job we do. ROLE OVERVIEW We are seeking an experienced Senior Software Developer to join our development team. In this role, you will design, develop, and maintain high-quality software solutions. MAIN RESPONSIBILITIES Lead the design and implementation of complex software systems. Collaborate with product managers...

My client is a leading technology and consulting firm focused on the insurance industry, especially in the Property & Casualty (P&C) sector. They are seeking a detail-oriented and analytical Technical Business Analyst to join their Insurance Solutions team to create pricing models, work directly with customers and technology teams, improve pricing best practices and drive technical solutions. Job Title: Technical Business Analyst Location: London / Hybrid Employment Type: Contract (£600 outside IR35) Key Responsibilities: Assist in developing and maintaining actuarial models for pricing, reserving, and forecasting. Perform data analysis and manipulation using actuarial software and tools (e.g., Excel, SQL, R, Python). Support client projects involving risk modeling, product development, and portfolio analysis. Collaborate with cross-functional teams including underwriters, data scientists, and software developers. Interpret insurance data and...

Role: FinOps Consultant Location: UK (Remote) Duration: 3 months (Rolling Contract) Day Rate : £650 - £700 (Outside IR35) Key Essential Skills: 5+ years Consultancy experience. FinOps Certification 2+ years Cloud Cost Optimisation experience. Proven track record in overseeing Financial Budgeting processes for Cloud Services. Extensive experience and knowledge of Cloud Infrastructure and terminology. Strong knowledge of Cloud technologies (AWS and Azure) - Essential Hands on experience with public cloud billing with reporting analysis tools. Solid understanding of IBM Apptio cloudability (Preferred) or Flexera Proficient in Microsoft productivity tools (Office 365 - especially MS Outlook, Excel, PowerPoint, Teams). Excellent presentation, communication and relationship-building skills. Good understanding of Agile methodologies (Scrum, Kanban). Desirable Skills: AWS Certified Solutions Architect Associate or Azure Solution Architect...

Change Manager Stellarmann is looking for a Senior Change and Communications professional to support an enterprise-wide transformation with their client. The change function is required to support all aspects of business transformation — Change, IT, People, Process, Culture, etc. Change Manager who have experience working on large-scale, enterprise-wide transformation programs for global organisations Broad experience across all areas of change: Change, IT, People, Process, Culture IT/Technology lead Change Management Building change champions network Change adoption across multiple projects concurrently (4-6 at once) and manage a high volume of change Proven end-to-end change delivery experience Communications: Strong experience in developing comms strategies, plans, and selecting the most effective channels Training: Contribute to defining the content and how training is delivered — strategy, format, and delivery method Coordinate readiness assessments and change...

Job Title: IT Infrastructure Engineer Contract Type: 12-Month Contract (Outside IR35) Location: Hybrid working, London Start Date: ASAP We are seeking a highly skilled IT Infrastructure Engineer to join a large organisation on a 12-month contract basis. This role is critical in supporting and enhancing the organisation's on-premises IT infrastructure, ensuring the stability, security, and efficiency of systems and networks. You will play a key part in maintaining core IT services and supporting business-critical systems across the organisation. Key Responsibilities Manage and maintain on-premises infrastructure , including physical and virtual server environments. Administer and support Active Directory , including Group Policy Objects (GPOs) and OU structures . Oversee the integration and support of 3rd-party applications , working closely with vendors and internal teams. Ensure infrastructure services (e.g., DNS, DHCP, file services) are performant...

Software Engineer - Outside IR35 Key Details: Outside IR35, Up to £600 per day, Key Skills: Python, PostgreSQL twentyAI have partnered with a PE backed start-up that are looking at building a cutting edge Deals CRM. The founder ex-PE has meticulously built out this platform alongside one other, over the course of the last few years. The current environment, from a backend perspective, is fairly rudimentary and they are seeking the services of a Python consultant who has a strong understanding of building scalable environments and working with Postgres for their database. This would suit a freelance consultant that has plenty of startup experience and is looking to use their Python skillset to advise and grow another company. This is an Outside IR35 project with occasional office travel to Marble Arch, paying up to £600 per day.

Azure Data Architect - Outside IR35 - London Key Details: Outside IR35, 2 Days a week on site Key Skills: Azure, Databricks, MS Fabric, Terraform twentyAI are working with a prestigious, market-leading Private Bank that are looking at transisitioning to having a more technological approach to their business. They currently have a back-log of Data Architecutre work that needs to be addressed. This is a great opportunity for an aspiring business focused Data Architecture that also has a heavy grounding in MS technologies (Fabric). This would be an initial 6 month project with a scope to extend. As the business is looking for someone to work closely with stakeholders they will require a minimum of 2 days a week on site in London.

Windows Infrastructure Engineer - AD, Azure - Up to £400 a day (Outside IR35) A leading global data-driven organisation is seeking a skilled Enterprise Infrastructure Engineer for a contract role to support its ongoing transition to a cloud-first SaaS environment. This is a fantastic opportunity to combine hands-on expertise with strategic insight, contributing to a progressive and innovative IT function. Location: London Start Date: ASAP Contract: Up to £400 a day (Outside IR35) Role Summary: You will be a key player in shaping and maintaining the organisation's IT infrastructure and cloud operations. The role blends DevOps practices, infrastructure management, disaster recovery planning, and InfoSec alignment, while also supporting Legacy systems in a modern cloud-based environment. Key Responsibilities: Deliver hands-on support and administration across the full IT infrastructure estate Collaborate with internal teams to...

Award winning FinTech now requires an experienced C++ Market Data Developer with experience with Market Data feed handlers to work on a complex, business critical programme. The C++ Market Developer will have experience of writing production level C++ and Python and have a strong understanding of market data protocols such as ITCH, EOBI, iMpact, Optiq, GTP (Group Ticker Plant). The role holder will be responsible for migrating Python data parsers into C++ to improve performance, precisely maintaining existing functionality, developing a Google Test unit tests for the new C++ code, in existing framework and comparing the C++/Python output using existing tools The ideal C++ Market Data Developer will have the following skills/experience: Experience of working with market data protocols such as ITCH, EOBI, iMpact, Optiq, GTP (Group Ticker Plant). Industry experience of writing production-level C++ and delivering functioning, well-tested systems. Industry experience of...

Senior Analytics Engineer - Contract - Outside IR35 - Remote with monthly once onsite in West Midlands - £500 per day I'm working on behalf of a US-based startup that is expanding its footprint in the UK. They are looking for a Senior Analytics Engineer to join them on an initial contract basis. This is a key hire and marks the first senior analytics role in the UK for a brand-new client. Location: Remote (with one day per month on client site in the West Midlands) Rate: £500 per day Contract: Outside IR35 As a Senior Analytics Engineer, you'll play a critical role in building a modern analytics stack from the ground up. You'll be working closely with customer teams to help build scalable data products and deliver meaningful insights that drive decision-making. Key Responsibilities: Develop and maintain robust data models and architecture Build and optimise data pipelines using Python and SQL Design and implement automation across the analytics...

Data Engineering Consultant(s) | FinOps, Data Transformation | Contracts £500-800 per day – Outside IR35 | Hybrid – London | 9-months Contract Company: Our client is one with international reach and a highly regarded reputation that specialises in FinTech software for some of the largest banks in the world. They are in the middle of a major digital transformation — reimagining its core data infrastructure to power smarter decisions, faster operations, and better customer outcomes. Job opportunity details for a Data Engineering Consultant(s) | FinOps, Data Transformation | Contracts £500-800 per day – Outside IR35 | Hybrid – London | 9-months Contract We’re hiring Data Engineers across multiple specialisms to help build high-throughput, scalable pipelines and lay the foundations for modern FinOps and MLOps capabilities. Whether your strength is MLOps , ETL/Data Lakes , or relational databases like Postgres, there’s a place here for deep technical...

Document Tools Engineer Location: Remote (occasional on-site meetings required)- London Type: Part-Time Contract (20 hours/week) Rate: £45–£55 per hour (Outside IR35) Start Date: ASAP End Date: March 2026 About the Role This role focuses on the design and development of a new standalone desktop application in Python , intended to replace and enhance a legacy Excel-based workflow management tool . The new application will support and extend our structured content workflows, with a specific emphasis on DITA. Referring to building a modern Python-based desktop application that enables improved task management, automation, and integration across our DITA-based publishing pipeline. While understanding and referencing existing VBA logic may occasionally be necessary, the goal is to modernize, extend, and reimagine the current functionality rather than replicate it. Key Responsibilities Design, build, and maintain a Python-based desktop tool to manage and...