251 to 275 of 662 Legacy Systems Jobs in the UK

Implementations Team Lead

Location
City of Edinburgh, Scotland, United Kingdom
investment management with the industry’s most comprehensive cloud-native platform for institutional investors across global public and private markets. While legacy systems create risk, inefficiency, and data fragmentation, Clearwater’s single-instance, multi-tenant architecture delivers real-time data and AI-driven insights throughout the investment ...

Systems Integrator

Location
Greater London, England, United Kingdom
drive significant advancements in our business operations and technology landscape. Our primary goal is to transition from our current reliance on legacy systems and specialized off‐the‐shelf tools to a more integrated, AI-driven, and data-centric operational model. Leveraging insights and guidance from our other … then build genuinely useful things on top of it. This is a two‐sided role. On one side, you'll integrate: wiring third‐party systems, internal apps and document storage into the environment we already have, setting sensible guardrails around access and cost, and adopting existing Group capability wherever ...

Insurance Program Manager

Location
Slough, England, United Kingdom
help banks, credit unions, and insurers design, launch, and evolve financial products dramatically faster than traditional methods. Our platform sits above existing core systems, enabling institutions to modernize without rip-and-replace, and to innovate without rebuilding from scratch. Why This Role Exists Insurance organizations are facing increasing pressure … modernize legacy systems, accelerate product innovation, improve customer experiences, and respond to changing regulatory requirements. FintechOS enables insurers to navigate this transformation successfully. As our customer footprint continues to grow, we are seeking an experienced Program Manager to lead complex customer-facing transformation initiatives across the insurance ...

Staff Enterprise Engineer

Hiring Organisation
Flow Traders
Location
London, UK
Employment Type
Full-time
value quick-witted, creative minds and challenge them to make full use of their capacities. As a senior individual contributor within the Enterprise Systems domain, you will define the long-term technical architecture and engineering standards across the estate, including identity, endpoints, compute, virtualization, operating systems, storage, databases … technical direction and build, not to manage a team. What you will doDefine and own the long-term architecture and engineering standards for Enterprise Systems, covering identity, endpoints, compute, storage, databases, and the foundations supporting enterprise SaaS platformsAct as the senior technical authority, mentoring engineers and driving high-quality ...

Head of Finance Transformation (AI & Automation) | Hypergrowth Logistics Tech Scale-up | London

Location
City Of London, England, United Kingdom
finance function from first principles: own how finance operates in an AI-native, high-growth company, not as an improvement on legacy systems, but as a definition of the default state. Rebuild core processes (record to report, procure to pay, order to cash, FP&A) to eliminate … outcomes leadership needs: reduce time to close, time to forecast and time to decision. Give leadership real-time, high-quality financial insight, and build systems that scale to £100m+ revenue without breaking. Who Will Thrive In This Role You've built or redesigned finance systems and operating models ...

Head of Finance AI Transformation Logistics Tech Scale-up

Location
Greater London, England, United Kingdom
finance function from first principles: own how finance operates in an AI-native, high-growth company, not as an improvement on legacy systems, but as a definition of the default state. Rebuild core processes (record to report, procure to pay, order to cash, FP&A) to eliminate … outcomes leadership needs: reduce time to close, time to forecast and time to decision. Give leadership real-time, high-quality financial insight, and build systems that scale to £100m+ revenue without breaking. Who Will Thrive In This Role You've built or redesigned finance systems and operating models ...

Support Engineer

Location
United Kingdom
build Virtual Agents, AI-powered software workers that automate complex back-office operations. Virtual Agents are a proprietary blend of AI models and deterministic systems, built agentically. They combine advanced reasoning with human-in-the-loop oversight in a system designed to deliver reliable, production-grade automation with guaranteed … outcomes. We are expanding rapidly across insurance, marketplaces, and healthcare, in industries where operational complexity, legacy systems, and cost pressure make traditional automation approaches too risky or too slow. Backed by Plural and Creandum, we raised a $15M Series A in 2024 and are building ...

Algorithmic Trading Developer

Hiring Organisation
Berenberg
Location
London, UK
Employment Type
Full-time
teams offer you an environment that will present you with exciting challenges - be it through the support and further development of legacy systems or the introduction of modern technologies such as AI, machine learning and highly automated trading applications. Your Role in the team: As part … associated strategies and real-time trading desktops. This role contributes to both algo strategy design and the build-out of high-quality, real-time systems used for trading algo orders and liquidity seeking. What will you do? Design and build high-quality Java engines for trading algo orders ...

Technical Consultant

Location
City of Edinburgh, Scotland, United Kingdom
hands-on coding and more involvement in discovery, technical analysis and solution design. What you'll do as Technical Consultant: Analyse existing technology landscapes, systems, integrations and data flows, identifying technical requirements, dependencies and data quality considerations. Support and lead technical workshops, defining non-functional requirements around areas such … software development, solution architecture, technical business analysis, technical consultancy or a similar role, with a good understanding of modern technology environments. Experience working with systems, APIs, integrations and data, including data mapping, data quality and integration with third-party or legacy systems, alongside the ability ...

Senior AI Product Manager - Platform

Location
Greater London, England, United Kingdom
capability, legacy rebuilds and reliability. Lead complex discovery autonomously as we modernise the policy lifecycle, moving capability off legacy systems one safe slice at a time. Dive deep into technical detail , understanding dependencies and failure modes, and making informed trade-offs with engineering. Treat internal … Private medical insurance. Pension, generous holiday, and £1,000 a year to spend on getting to the office or learning something new. Cutting-edge systems and tools, so you always have what you need to drive your impact. Ready to do the most impactful work of your career ...

Agent Engineer (LangChain)

Location
Greater London, England, United Kingdom
domain expertise. We work with a variety of clients from different industries, collaborating as we get new products to market, modernizing legacy systems, or helping teams learn the skills they need to be successful.**Our values*** *Listen first* - We are experts in product practices but life long … record of delivering software in collaborative, agile environments.* You've worked with LangChain (or similar agentic frameworks), and understand how to architect AI-native systems responsibly and effectively.* You believe that code quality matters, and that TDD and pairing help build better systems *and* stronger teams. ...

AI Application Architecture Manager

Hiring Organisation
Avanade
Location
London, UK
Employment Type
Full-time
accelerate every phase of the delivery lifecycle - from analysis and design to build, test, deploy, and operate - driving transformation across complex enterprise legacy portfolios. This role operates across solution architecture, Agentic platform innovation, and commercial deal shaping, with a focus on building and scaling agentic engineering capabilities across … collaborate closely with other Practices on direct deals, leading during solutioning phases as well as during critical delivery phases. Whether modernising legacy systems or building greenfield solutions from scratch, you will apply agentic AI to transform how projects are executed end-to-end. This is a unique ...

Senior Software Developer

Hiring Organisation
Searchability (UK) Ltd
Location
Chesterfield, Derbyshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
extend Access/VBA code across a large existing codebase Build a deep understanding of the system, working closely with the Head of Systems and the wider team Contribute ideas on how the platform should be modernised over time Bring good development practice to the team, such as source … Commercial experience with Microsoft Access and VBA Confident working in a large, complex existing codebase A pragmatic approach to legacy systems, improving what's there rather than rewriting from scratch Experience with other languages or platforms (e.g. C#/.NET, Python) would be a strong advantage ...

REST & .NET Developer (ONSITE – Basildon)

Location
United Kingdom
.NET Services Developer to join our team in Basildon, UK. This is a hybrid role, ideal for someone experienced in modernising legacy systems and converting services into RESTful APIs using .NET technologies. Location: Basildon, Essex (ONSITE) What you’ll do: • Convert legacy services into RESTful … DevOps practices What we offer: • Competitive salary • Flexible hybrid working model • Opportunity to work on large-scale transformation projectsIf you’re passionate about modernising systems and building robust APIs, we’d love to hear from you! Apply here: Or Uma.R@n-cons.co.uk**#DotNet** **#RESTAPI** **#Microservices** **#Azure** **#HybridJobs** **#BasildonJobs** **#Hiring ...

Data Governance Lead

Location
Worcester, England, United Kingdom
created role, reporting directly to the Head of Data. This is an exciting opportunity to play a key role in our transition from legacy platforms to cloud-based solutions and support our move towards a SaaS model. You'll help ensure customer and business data is governed effectively … excellent stakeholder management skills. Key Responsibilities Lead and enhance data governance frameworks, standards, and policies. Support the migration of data from legacy systems to cloud platforms. Ensure effective governance of customer data as hosting moves to a SaaS model. Oversee data quality, ownership, stewardship, and data contracts ...

Senior Software Engineer (Rostering)

Location
Birmingham, England, United Kingdom
product from on‐premises storage to a Cloud‐based SaaS model. Alongside this, we will be upgrading the technology stack, moving from legacy technologies to C#, .NET Core, and React. To support this exciting project, we are assembling a new development team in Birmingham. Role Overview … Collaborate with cross‐functional teams, including Product, QA, and DevOps, to ensure successful delivery of project goals. Support the migration of legacy systems to a modern C#, .NET Core, and React technology stack. Troubleshoot, debug, and resolve software issues in a timely manner. Help organise and participate ...

Senior Principal Programmer (UK)

Hiring Organisation
UCB Group
Location
Reading, Berkshire, UK
Employment Type
Full-time
study teams can begin work in a ready and reliable environment. You will support programming teams during onboarding, transition from legacy systems, and ongoing operations as a first-line technical contact. You will improve lifecycle management and workflows by documenting processes, supporting validation activities, and automating practical … understand SDLC, validation, audit readiness, and compliant configuration expectations. You can communicate clearly with technical teams and business stakeholders, while tracking setup processes across systems and teams. You bring practical experience with tools such as Domino Data Lab, SAS, R, Git, Azure DevOps, VS Code, or SAS Studio. ...

Account Manager - Central Government

Location
United Kingdom
teams support customers operating at the heart of Government, National Security, Defence, Critical National Infrastructure and Law Enforcement. From modernising legacy systems and delivering cloud-native platforms, to enabling AI-driven decision making and building secure digital services, we help our customers tackle problems that genuinely matter. … challenges involving: Artificial Intelligence and Machine Learning Data Platforms and Analytics Cloud Transformation Software Engineering Platform Engineering & DevSecOps Digital Transformation Programmes Secure Mission-Critical Systems What You'll Be Doing: Build Strategic Client Relationships Develop and own relationships across a portfolio of Central Government customers. Build trusted advisor relationships ...

Software Engineer - Cumberland/FICCO Front Office Systems

Hiring Organisation
DRW
Location
London, UK
Employment Type
Full-time
it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. About the TeamDRW C/FICCO Front Office Systems team intimately collaborates with traders to turn alpha signals, risk management, market visualizations and other trading-critical tools into scalable, performant and reliable production … that stand the test of time. We work closely with Data Engineering, Research Engineering, and Execution Engineering. About the RoleSoftware Engineers in Front Office Systems operate in two very distinct but organically interconnected modes. During a Forward Deployment, you will be directly embedded onto a trading desk, where ...

Data Solutions Product Manager

Location
Greater London, England, United Kingdom
software business that helps local government and social housing bodies transform fragmented data into actionable insights. Local authorities run on disparate legacy systems—from Revenues & Benefits and Social Care to Housing Management and CRM. When this data is trapped in silos, services slow down and compliance risks … Looking For Proven experience as a Product Manager within B2B SaaS or data software. Strong understanding of local government or social housing systems and operations. Experience with data concepts (data matching, integration/APIs, analytics, SQL, or BI tools). Strong commercial acumen and Agile backlog management skills. Package ...

Head of Finance AI Transformation

Location
Greater London, England, United Kingdom
finance function from first principles. Own how finance operates in an AI-native, high-growth company — not as an improvement on legacy systems, but as a definition of the default state. Rebuild core processes (R2R, P2P, O2C, FP&A) to eliminate manual work before it takes root. … outcomes leadership needs. Reduce time to close, time to forecast, and time to decision. Give leadership real-time, high-quality financial insight, and build systems that scale from current revenue to £100M+ without breaking. Who will thrive in this role You’ve built or redesigned finance systems ...

Solutions Strategist

Location
Greater London, England, United Kingdom
energy, logistics, manufacturing. These sectors are essential to our economy and daily lives, yet they are held back by inefficiencies, fragile legacy systems, and decades-old ways of working. This is not just a business problem; it is a societal one. When grids fail, supply chains stall … What we’re looking for Bachelor’s or Master’s degree in Engineering, Computer Science, or a related field. Proven experience in software development, systems engineering, or in a deployment strategy role. Strong analytical skills and the ability to solve complex problems under pressure. Excellent interpersonal and communication skills ...

Data Analyst

Location
Milton, Scotland, United Kingdom
data governance and information governance standards where available, produce the project's data migration strategy and plan, producing mapping specifications from legacy systems to future Software as a Service (SaaS) solutions. Define cleansing, transformation and validation rules, coordinate mock loads, reconciliation cycles and final cut over across ...

DV Cleared ServiceNow Solution Architect

Hiring Organisation
Conventus Recruitment
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
product owners and delivery teams to turn business needs into robust technical solutions Design and oversee integrations with third-party and legacy systems in secure and accredited environments Shape platform governance, standards and roadmaps, keeping to the out-of-the-box approach wherever possible Provide technical leadership ...

AWS Connect Team Lead - Cloud-Native Platform Builder

Location
Swindon, England, United Kingdom
experienced E3 Engineer for the Conversational Banking value stream. You will contribute to the modern AWS Connect-based stack and support legacy systems, ensuring stability during the transition. Hybrid work is available, with a focus on design, development, and operation of Voice, Video, and Chat interactions, while ...