51 to 75 of 324 Legacy Systems Jobs in the UK

evolution Build and enhance operator-facing applications, dashboards and visualisation tools displaying real-time system data Own application logic, workflows and behaviour within production systems Contribute to overall software architecture, technical standards and development best practices Implement and maintain version control and CI/CD pipelines using GitHub Ensure … resilient, with a strong emphasis on fault handling and diagnostics Collaborate with controls, robotics and mechanical engineers to ensure seamless integration with physical systems Support testing, commissioning and deployment of software releases Mentor junior developers and contribute to technical decision-making within the team Required Skills & Experience Software Development ...

Developer Location: Cheltenham (Hybrid) Salary: £65k As a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support day-to-day operations, improve user experience … enable business growth. This is a hands-on, varied role combining development, database optimisation, and systems integration. You will collaborate closely with stakeholders across the business, contributing to both new initiatives and continuous improvement of existing platforms. Your responsibilities as a Senior Developer will be: Develop, maintain, and enhance ...

Senior Systems Integration Consultant (.NET, Azure, Data, MIS) Job Description Contract Length: 3 months Start: Immediate Day Rate: £400‐£500 per day IR35: Outside IR35 Location: Hybrid, predominantly remote Overview We are looking for a senior Systems Integration Consultant to step into a live environment and stabilise … ensure the platform is fully operational. Key Responsibilities Stabilise and optimise Mitratech platform integration Extract and migrate data from legacy .NET systems Build and troubleshoot integrations across: Timesheet systems, HR workflows including Excel exports, Internal operational systems Implement workflow automation and triggers Debug live production ...

integral part of the Digital Engineering Services and Solutions leadership team and the department’s evolution to bridge the gap between legacy systems with modern, agile, cloud-based solutions whilst maintaining compliance and regulatory obligations**NUMBER OF DIRECT REPORTS*** Approximately 5**KEY RESPONSIBILITIES****Planning & Strategy … fully defined and met and operate to agreed service levels* Ensure accurate reporting of all KPIs/KRIs for the Digital Workplace products, systems and tooling* Identify key risks within the Digital Workplace team, assessing and mitigating those risks in accordance with the appropriate risk management framework* Ensure ...

design, build, and operate scalable data pipelines and data products, enabling a modern data mesh architecture. The role focuses on integrating legacy systems with cloud-native platforms to support analytics, reporting, and domain-owned data products. Primary Skills Strong experience with Databricks (Spark, PySpark/… engineering best practices. Key Responsibilities Build and maintain batch and streaming data pipelines from legacy mainframe DB2 and on‐prem SQL Server systems into an AWS‐based data lake. Implement real‐time ingestion using Confluent Kafka and land data in Amazon S3. Develop data transformations and analytics ...

Azure/Databricks ecosystems and modern consumption patterns. Drive continuous improvement by adopting emerging technologies (including AI), enhancing architecture components and safely decommissioning legacy data and systems. Maintain clear documentation, contribute to data governance forums and support experimentation, exploration and innovation within the Data Office. Communicate complex technical ...

agile sprints. Your software becomes the reference implementation for scalable GenAI in the enterprise. You codify patterns, shape internal tooling, and accelerate innovation—delivering systems that are battle‐tested in production and scalable across industries. Who You Are: You are a systems‐minded, AI‐native engineer who ships … deeply with customer teams, diagnose root problems, and architect AI‐powered workflows that run at scale. You don’t just debug code—you debug systems, context, and customer pain points. You will: Build solution‐ready LLM‐enabled applications that span backend logic, data orchestration, and front‐end UI Operate ...

Head of Engineering to define and deliver the next phase of our technology strategy. You’ll help lead transformation initiatives, modernise legacy systems, and enhance our search functionality — ensuring performance, scalability, and innovation across the platform. What you’ll be doing day to day Partner with … Product Engineering to define the technical strategy, architectural direction, and transformation roadmap. Lead the design and optimisation of search systems , ensuring relevance, scalability, and reliability. Oversee the evolution of existing systems — maintaining and refactoring C# codebases Champion engineering best practices across security, performance, testing, and continuous delivery. Provide ...

software platforms that power our Physical Security business partners globally, with a primary focus on operating and engineering our existing Physical Security Systems and migrating to Genetec solutions for Access Control and CCTV. You will also work with non‐Genetec solutions that serve the needs of BNY’s Corporate … ways: Provide end-to-end Engineering support for our global suite of Physical security applications. This includes: Migration to Genetec from legacy systems (e.g., C-CURE, Victor), including architecture, cutover planning, device onboarding, integrations, data/credential migrations, and stakeholder communications. Plan and execute system updates, firmware ...

management, branching strategies, and collaboration. Strong Python scripting for data automation, orchestration, and pipeline optimisation. Working knowledge of C# for maintaining/modifying legacy Windows applications. Experience with Power BI, QuickSight, or similar tools for analytics. Adherence to ETL/data management best practices (e.g., incremental loads, error … GDPR, CCPA) and security protocols (encryption, RBAC). Agile/SCRUM practitioner with experience in offshore team collaboration. Ability to migrate legacy systems to modern cloud architectures. Anticipates issues, recommends pragmatic solutions, and writes clean, reusable code. Articulate with stakeholders, from engineers to non-technical leaders. Manages ...

systems.Ensure integration architecture supports end-to-end business processes, global process harmonisation, reporting and operational continuity.Drive alignment between S/4HANA, legacy systems, satellite applications, middleware, data platforms and reporting environments.Ensure integration risks, dependencies and ownership are visible and actively managed across all delivery teams.Work with functional … from Deloitte, SAP and other suppliers to Weir teams is structured, measurable and complete.Support the enduring Product Operating Model by ensuring platforms, data and systems are governed in line with Global Product Domain ownership beyond go-live. The Product Operating Model is intended to become the standard way Weir ...

role focuses on the planning, execution, and management of data migration projects. Data Migration Specialists are responsible for transferring data from legacy systems to new platforms, ensuring accuracy, consistency, and adherence to data integrity standards. Analyse existing data structures and understand business requirements for data migration. Design ...

Data modelling (Star/Snowflake Schema) NoSQL databases (e.g. Cosmos DB, MongoDB) C# Data governance and GDPR knowledge Agile/Scrum experience Legacy system migration experience Experience working with offshore teams If you are interested in the role, please apply. To follow up please message me on LinkedIn. ...

data warehouse, leading where appropriate. Prepare datasets for inclusion in PBI reports. What we are looking for Strong understanding of the principles of database systems, data warehouses, ETL processes, APIs and data analytics. The resilience to deal with and work around the limitations of legacy systems, and to adapt as systems change. Excellent oral and written communication skills to ensure understanding between technical and non-technical colleagues. Experience of MS Dynamics or a similar CRM system. Experience of Snowflake or similar. Proficiency in SQL and Python. Experience of dbt or similar. Experience of Git. ...

when you fail, we all learn, then were eager to hear from you. We are looking to expand our Systems Engineering capability in all levels of experience and are keen to hear from you if you feel youre ready to take the next step in your career. You must … Sole UK National and qualify for Security Clearance. Job Description The Systems Engineer will work together with the customer contributing to requirements management and problem understanding, supporting facilities engineering and major infrastructure projects. This role may include but is not limited to: requirements management , ensure projects are properly scoped ...

leading online gaming platforms. This is an opportunity to work on a large-scale, business-critical C++ platform, helping modernise legacy systems while supporting a major cloud migration programme. Role Overview Location: Remote, must be based in UK Package: £600 - £650pd Outside IR35 Duration: 3 months (Sept … modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. Use AI-assisted development tools, including ...

recruiting on behalf of a well-established organisation in the financial services sector for an experienced HRIS Analyst to join their HR Systems team. This is an exciting opportunity to become part of a collaborative team at a pivotal stage in its HR technology journey. The organisation is implementing … Workday as its core HR platform, replacing multiple legacy systems with a single, integrated solution. You'll play a key role throughout the implementation and continue supporting, developing and optimising the platform once it's live. The Role As an HRIS Analyst, you'll support the ongoing ...

Proven experience as a Solution Architect within complex programmes Strong background in application modernisation and cloud migration Experience working with both legacy systems and modern cloud ecosystems Knowledge of technologies such as: AWS, Azure Kubernetes, HELM Java, JavaScript Oracle, MySQL Experience working in agile environments across full ...

virtualisation solutions, containerisation strategies and orchestration platforms Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence standards Technical Leadership & Governance Lead infrastructure ...

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 ...

virtualisation solutions, containerisation strategies and orchestration platforms Design disaster recovery, business continuity and resilience architectures meeting MOD availability requirements Guide infrastructure modernisation programmes, legacy system migrations and technology refresh initiatives Ensure infrastructure designs comply with MOD security requirements, Classification Guides and defence standards Technical Leadership & Governance Lead infrastructure ...

critical workloadsArchitect virtualisation solutions, containerisation strategies and orchestration platformsDesign disaster recovery, business continuity and resilience architectures meeting MOD availability requirementsGuide infrastructure modernisation programmes, legacy system migrations and technology refresh initiativesEnsure infrastructure designs comply with MOD security requirements, Classification Guides and defence standardsTechnical Leadership & GovernanceLead infrastructure technical teams, providing ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

stage where their impact will be both immediate and lasting. As Technical Lead, Machine Learning , you won't be inheriting legacy systems or maintaining someone else's architecture. You'll help define the foundations of the platform itself-shaping how the product reasons, remembers, plans, and executes … have the opportunity to: Define the machine learning architecture that powers the entire product. Influence technical strategy at the highest level. Build systems from first principles rather than work within established constraints. Solve some of the hardest challenges in AI, including memory, reasoning, reliability, and real-world task execution. ...

required. You'll join a collaborative engineering team delivering one of the organisation's largest digital transformation programmes, replacing critical legacy systems with modern, scalable cloud-based platforms that support essential public services across Scotland. The Role You'll play a key role in developing and supporting … components and maintaining design systems. Developing automated testing using TDD, Playwright and Consumer-Driven Contract Testing. Troubleshooting issues across cloud-native platforms and legacy environments. Participating in code reviews, pair programming, knowledge sharing and continuous improvement. Coaching and mentoring team members where appropriate. Essential Skills & Experience ...