101 to 125 of 202 Legacy Systems Jobs in England

cloud-native platform used at the heart of multiple major utility companies across the country. This is genuine greenfield work - no legacy systems, no duct tape, no tech debt holding you back. Think:? Building the digital core of next-generation power & utility companies? High-impact engineering that … care about quality, design principles, and doing things the right way. You’ll be doing things like: Designing and developing scalable back-end systems in Python Building clean, intuitive front-ends with React & TypeScript Creating and optimising APIs using FastAPI Contributing to architectural discussions and greenfield system design Working ...

Billing (ORMB) roadmap Provide application support for the Billing platform (BAU & enhancements) Collaborate with internal development teams to build interfaces with legacy systems Participate in testing activities , including SIT/UAT Support training and knowledge transfer to business and support teams Required Skills & Experience Strong … Excellent communication skills (technical & non-technical audiences) Nice to Have Experience with Oracle E-Business Suite (EBS) v12.2 Experience integrating Oracle Billing with legacy applications Exposure to regulated or complex billing environments Please do send an up to date CV to *Rates depend on experience and client requirements ...

Billing (ORMB) roadmap Provide application support for the Billing platform (BAU & enhancements) Collaborate with internal development teams to build interfaces with legacy systems Participate in testing activities , including SIT/UAT Support training and knowledge transfer to business and support teams Required Skills & Experience Strong … Excellent communication skills (technical & non-technical audiences) Nice to Have Experience with Oracle E-Business Suite (EBS) v12.2 Experience integrating Oracle Billing with legacy applications Exposure to regulated or complex billing environments Please do send an up to date CV to *Rates depend on experience and client requirements ...

looking for a CRM Data Migration Lead to own the end-to-end migration of data from three complex legacy systems into a new Salesforce CRM. This role sits within a major transformation programme and requires someone who has previously defined, planned, and executed a full data … data selection, cleansing rules, mapping, and transformation logic. Conduct multiple dry runs and ensure thorough testing at each stage. Tackle messy, low-quality legacy data and apply robust governance for what transfers to the new CRM Translate technical detail for non-technical stakeholders and operate effectively within ...

implement omnichannel customer experiences that enhance engagement and drive market differentiation. Lead platform modernization efforts, ensuring a seamless transition from legacy systems to next-generation digital infrastructure. Risk Management & Compliance Establish robust governance structures to monitor, measure, and report transformation outcomes. Assess and mitigate transformation-related risks … Transformation Embed a transformation-driven mindset across all levels of the organization Develop comprehensive change management frameworks to facilitate smooth adoption of new processes, systems, and operational models. Engage stakeholders including C-suite executives, middle management, and frontline employees Stakeholder Engagement & Strategic Partnerships Act as the primary liaison between ...

high-impact digital roadmap within a major enterprise environment . Why Join Them? Strategic Ownership: Lead the replacement of legacy systems with a modern , API-driven digital product . Cutting-Edge Tech Stack: Work extensively with Microsoft Fabric , Azure , and deep SAP integrations . CDIO Visibility: High … pound turnover and a high-volume user base . They are prioritizing 'Growth Tech' to revolutionize their customer experience , moving away from fragmented legacy interfaces toward a unified , cloud-hosted ecosystem . The Role As the Technical Project Manager , you will lead the end-to-end delivery ...

Business Analyst you will support the transition from the legacy systems into the new platforms. Engaging with key business stakeholders to support the transition and capture further improvements. You will provide analytical and creative problem-solving to improve business processes. Working independently and flexibly, organising activities … gathering requirements, developing user stories and recommending business solutions as part of a continuous improvement. Provide the business with a functional understanding of how systems are integrated and how data flows between applications. Develop business cases, cost-benefit analyses, and implementation roadmaps for procurement system enhancements. Analysing situations ...

involve? As a Full Stack Developer, youll be: Developing new features across our Laravel and Angular applications Supporting the modernisation of legacy systems as part of our platform evolution Building APIs and integrations that connect farm data to actionable insights Contributing to architecture discussions and technical decision … receive feedback, and learn from the team Experience with AI-assisted development, such as Junie, Claude, or similar code generation tools Comfort with legacy codebases, understanding that modernisation is a journey not a rewrite Package We offer a competitive salary reflecting your experience, 33 days holiday (including bank ...

design and deliver features that power aviation maintenance operations across the globe. You’ll work across both front-end and back-end systems, turning ideas into practical tools that engineers and operators rely on. You’ll collaborate closely with our Technical Manager and development team, shaping a platform that … APIs Knowledge of SQL Server and relational databases A collaborative, detail-focused approach Experience with Vue.js, Docker, authentication standards or modernising legacy systems is useful but not essential. Most importantly, you enjoy solving problems and take pride in delivering quality work. ...

databases and data modelling Ability to work independently and pick things up quickly Nice to Have: Experience rebuilding or modernising legacy systems Exposure to DevOps practices and cloud architecture decisions ...

essential) Experience working with APIs and third-party integrations Excellent communication skills and a proactive, problem-solving mindset Comfortable maintaining Legacy systems while supporting technology modernisation A thoughtful, methodical and customer-focused approach to development If you're looking for a role that combines hands-on coding ...

existing cloud providers into a consolidated GCP ecosystem. The Role Leading the Migration: Mapping out the journey from on-prem legacy systems to GCP. Stakeholder Management Agile Delivery: Managing sprints while maintaining the high-level governance required in a regulated environment. Experience required Banking: You understand ...

have freedom to work on bespoke projects and high-level software architecture.This company is a digital transformation company specialising in bespoke software development, legacy system support, and enterprise applications for a diverse range of clients.In this varied role, you will design, develop, and maintain robust web applications, implementing ...

shared outcomes. Manage external partners and, where relevant, regulators to support improvement goals. Problem Solving & Innovation Tackle systemic constraints such as legacy systems, policies, and skills gaps. Sponsor experimentation, pilots, and measured innovation to unlock value. Risk, Security & Ethics Sponsor by-design controls in new processes. Ensure ...

shared outcomes. Manage external partners and, where relevant, regulators to support improvement goals. Problem Solving & Innovation Tackle systemic constraints such as legacy systems, policies, and skills gaps. Sponsor experimentation, pilots, and measured innovation to unlock value. Risk, Security & Ethics Sponsor “by-design” controls in new processes. Ensure ...

play a key role in developing new features, building applications from the ground up, and supporting the migration of legacy systems to the latest version of .NET, including the use of containerisation. You'll also work closely with analysts and other developers to continuously improve product performance ...

design patterns Understanding of UML/SysML Knowledge of the full software development lifecycle Experience developing new software and maintaining legacy systems Software verification and testing experience Clear communication and documentation skills Desirable Skills Agile development methodologies Experience with additional languages (e.g. C, C#, Java, scripting languages … Cross-platform Windows/Linux development Ethernet-based communications (e.g. DDS) Build systems such as CMake Version control and issue tracking tools Databases (e.g. SQL-based) GUI development frameworks Unit testing frameworks Experience in a regulated or safety-critical environment ...

doing Owning and defining the QA strategy from scratch as the first SDET in the business Expanding test coverage across existing systems while setting standards for the future Leading testing across front-end, back-end, integration, and security Driving automation and scalability, reducing manual QA through robust frameworks … code approaches Coaching and mentoring engineers through pairing, code reviews, and promoting meaningful test coverage Ensuring reliability and security in mission-critical, data-driven systems that directly impact low-income families This role is open to mid-level through to senior engineers — mindset, ownership, and motivation matter more than ...

Engineering to design"modular, API-driven, cloud-based platform services Balance BAU operational reliability with strategic modernisation and simplification of legacy systems Use operational metrics, platform telemetry, and CX insight to drive continuous improvement Act as a technically credible product representative with Sky Media stakeholders, able … AdTech, media, or broadcast industry experience, with understanding of campaign execution, scheduling, trafficking, and delivery lifecycles Demonstrated technical fluency across"APIs, cloud infrastructure, distributed systems, and data pipelines Ability to engage credibly with"engineers, architects, and delivery leads"on technical design and trade-offs Experience working with ...

seeking a Full Stack Developer to lead a discovery and assessment phase across its existing product platforms. The organisation operates multiple legacy systems and is looking to evaluate and define a clear re-platforming strategy, consolidating disparate applications into a single, modern, cloud-native platform. The goal … process, reviewing current platforms, understanding how they're used, and defining pragmatic options for the next-generation architecture. You'll work directly with existing systems: inspecting database schemas, reviewing source code and DevOps tooling, and collaborating with product teams to understand both custom-built and off-the-shelf application ...

+ bonus Hybrid - London (2 days onsite) We're hiring a Data Platform Lead to take ownership of an existing data warehouse and the systems around it. The platform is already in production and widely used. This role is focused on keeping it reliable, improving data quality, and developing … working with engineering teams to improve the quality of data coming into the warehouse. There's a mix of legacy systems and newer tooling following several years of organisational change, so the role involves untangling complexity rather than building everything from scratch. You'll need ...

+ bonus Hybrid - London (2 days onsite) We're hiring a Data Platform Lead to take ownership of an existing data warehouse and the systems around it. The platform is already in production and widely used. This role is focused on keeping it reliable, improving data quality, and developing … working with engineering teams to improve the quality of data coming into the warehouse. There's a mix of legacy systems and newer tooling following several years of organisational change, so the role involves untangling complexity rather than building everything from scratch. You'll need ...

training team at Baltic Apprenticeships. A Typical Day in the Job: Develop, deliver and support dynamic web applications and services. Upgrade legacy systems to improve functionality and usability with modern web technologies. Use APIs to synchronise the flow of data between internal and external systems. Support … keen interest in modern software development principles. A desire to be involved in a fast paced team environment. Knowledge and experience of modern information systems including computer proficiency. Strong people and communication skills. Grade 6 in GCSE Maths and Grade 4 in GCSE English. Salary, Hours?&?Benefits ...

impact and your voice drives innovation? This is your chance to join a global, tech-forward organisation that’s transforming its legacy systems into a modern, service-oriented architecture. You’ll play a key role in that transformation, with the opportunity to grow your skills, contribute fresh … Server and T-SQL Excellent communicator who thrives in a team setting Bonus: Experience working on high-availability , multi-user , n-tier distributed systems Hybrid Working Based in the West Midlands , with flexible hybrid working that balances collaboration and personal productivity. If you're ready to join a business ...

profile sectors. Focusing on delivering high-fidelity synthetic environments, robust software assurance, and complex cloud migrations, often bridging the gap between legacy systems and modern digital architectures - all across various classified environments. Key Responsibilities: Planning, design, and implementation of physical and virtual IT infrastructure solutions. Ensuring timely ...