126 to 150 of 269 Legacy Systems Jobs in the UK

scale. This means designing secure, cloud native platforms across AWS, building out multi account landing zones, scaling Kubernetes environments and modernising legacy systems into microservices architectures that are built to last. You’ll be able to shape platform strategy, set standards across security, reliability, CI/… Grafana, OpenTelemetry Platform thinking – internal developer platforms, self service tooling Leadership – mentoring engineers and influencing technical direction In return, you’ll work on meaningful systems, lead strong engineering teams, and shape how modern platforms are delivered at scale, all while continuing to grow your own skill set. ...

tier global defence innovator. You'll be the technical 'go-to' for the project, leading the shift away from legacy systems and rebuilding them with a modern stack. This is a perfect role if you want to lead the technical direction and keep your hands … strong desire to work with it) on both Linux and Windows. Version Control: You're comfortable using change control and configuration management systems to keep the codebase healthy. The 'Independent Lead' Mindset: You don't need hand-holding. You are a self-starter who can 'crack on' with complex ...

shippable products. You’ll be responsible for documenting workflows, architecting our core engine from the ground up, and evolving our current AI-driven systems into a world-class technical stack. We’ve already built some incredible AI-powered tools that streamline our work, but we also have legacy systems that need a technical lead to modernise them. We’re ideally looking for someone who’ll thrive in the rare opportunity to set the technical culture and standard for everything we build next. Some qualifications you may have (we value talent over checklists, but here ...

finance. Our clients operate at the highest levels of global markets, managing billions in assets, yet they remain constrained by legacy systems that are slow, fragmented, and outdated. Cornspring is redefining Family Office services by applying state-of-the-art generative AI and Large Language Models … driven finance, tackling genuinely complex and high-impact challenges Hands-on exposure to advanced ML, LLM, and data technologies within real production systems A collaborative, high-ownership start-up environment offering exceptional learning opportunities The chance to help shape the future of Family Office and Asset Management technology ...

platform from the ground up. We’re working with a business in the middle of a high-impact data transformation—moving away from legacy constraints towards a scalable, cloud-first architecture. They’re looking for a Principal Data Engineer to take a leading role in that journey. This … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset – you automate wherever possible and write clean, testable code Pragmatic approach – focused on delivering value without ...

modern data platform from the ground up. Were working with a business in the middle of a high-impact data transformationmoving away from legacy constraints towards a scalable, cloud-first architecture. Theyre looking for a Principal Data Engineer to take a leading role in that journey. This isnt … skills in Python and SQL Hands-on experience with Databricks, Azure, and GCP/BigQuery Proven ability to work across both legacy systems and modern cloud environments Key Skills DevOps mindset you automate wherever possible and write clean, testable code Pragmatic approach focused on delivering value without ...

Application Include a cover letter (300–400 words) covering: A production system you have owned end-to-end Your experience modernising legacy systems or untangling complex business logic How you have used AI tools in the SDLC — what worked, what didn't, what you learned Why this ...

become a truly intelligence-led regulator. Solutions Architect Responsibilities Develop and maintain infrastructure and cloud roadmaps, including transition states for migrating legacy systems, adopting new cloud services, and decommissioning obsolete platforms. Define and maintain cloud reference architectures, ensuring consistency, reusability, and alignment with organisational standards. ...

multiple data objects Define data migration strategy, approach, and best practices Perform data extraction, cleansing, transformation, and loading (ETL) Work with legacy systems and SAP (including S/4HANA where applicable) Support data validation, reconciliation, and cutover activities Collaborate with functional and technical teams to resolve data ...

enterprise architecture strategy for a large-scale transformation of customer, billing and revenue platforms Lead the move away from legacy systems into a modern, cloud-first environment that improves performance, scalability, and customer experience Define the target architecture and set a clear, deliverable roadmap from current state ...

pain points Translate problems into data-driven workflows, working with engineers to extract and structure data from equipment and legacy systems Work with customers, from the C-Suite to operators on the line, to build bespoke applications Lead training sessions to ensure the deployed applications serve their ...

Responsibilities Analyse and assess data structures across legacy and target systems. Perform data extraction, transformation, and migration activities. Conduct data cleansing, enrichment, and validation to ensure high data quality. Identify and resolve data inconsistencies, duplicates, and quality issues. Develop and maintain data mapping documentation between source and target ...

Quality Systems Engineer? Have you had experience in highly regulated industries such as Aerospace? Are you confident transforming legacy/manual practices into streamlined QMS processes? Are you confident auditing to customer/industry related standards? If so, an exciting opportunity has arisen with a leading engineering … organisation for a Quality Systems Engineer to join their growing team! Quality Systems Engineer ASAP Start Monday to Friday Aylesbury Quality Systems Engineer Job Description: Support the development, implementation, and continuous improvement of the Quality Management System (QMS) in line with business, customer, and regulatory requirements. Transforming ...

looking to hire a .NET Developer to support ongoing growth and an increasing project pipeline. This is a hands-on role working on bespoke systems built for a range of clients , offering the opportunity to work across the full development lifecycle and make a genuine impact. THE ROLE … will be working on a range of custom-built applications , supporting existing systems while also developing new variations for incoming clients. Responsibilities include: Working on existing customer codebases Developing and adapting bespoke software solutions Contributing across full-stack development (frontend & backend) Understanding and implementing client-specific requirements Supporting testing ...

used in demanding industrial environments, working with C#, WPF, front-end languages such as Vue.JS, Angular or React. You will collaborate with electrical and systems engineers, contribute to system architecture and support both new platform development and legacy product improvement. This role offers strong technical variety, career … supportive engineering culture. You should bring solid commercial experience, excellent understanding of SOLID principles, and confidence contributing to design discussions. Exposure to industrial systems or electronics is beneficial. This role is ideal for someone who enjoys autonomy: you will be given open technical problems, trusted to investigate and propose ...

data into the Cezanne HR system Cleanse, validate, and reconcile data to ensure accuracy and integrity Map data fields between legacy systems and Cezanne HR Work closely with HR and project stakeholders during the implementation phase Identify and resolve data discrepancies and issues Support testing and system … live activities Document processes and provide guidance to internal teams Requirements: Proven experience in data migration, ideally within HR systems Experience with Cezanne HR (highly desirable) or similar HRIS platforms Strong data analysis and problem-solving skills High attention to detail and accuracy Ability to work independently and manage ...

Developer to join our small but growing team in progressing the development of our bespoke software, and supporting the migration of legacy systems to the new architecture. As a key member of our team the Software Developer will play a pivotal role in shaping the platform … services that support a suite of mobile and web applications. Your responsibilities will include designing and developing robust, scalable, and secure backend systems, providing technical expertise across multiple squads as well as defining and enforcing the standards that ensure their integrity and compliance. Software Developer - Required Skills and Experience ...

across technical and non-technical stakeholders; communicate trade-offs transparently. Champion product-led and user informed, iterative ways of working in a complex, legacy/brownfield environment. Manage the full product lifecycle, from initial discovery and business case development through to operational support and eventual retirement. … effort or cost-of-delay approaches. Confident working with cross-disciplinary teams and senior technical stakeholders. Comfortable operating in environments with legacy systems, competing priorities and incomplete information. Excellent communicator, can translate complex technical issues into clear decisions and trade-offs. ...

Citrix, and cloud-hosted applications. The Role You’ll work closely with the Head of IT to lead infrastructure projects, modernise legacy systems, and drive cloud-focused improvements. The environment is a mix of on-premises and cloud, and the business is looking for someone ...

Azure to turn complex data into clear, actionable business insight? 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 role, you will design, build and maintain resilient data platforms using bronze ...

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 ...

using Terraform to manage scalable infrastructure. Operating within Cloud (Azure/AWS/GCP) design patterns, the Data Platform Engineer will support both legacy and modern systems. This is a fantastic opportunity for a Data Platform Engineer to join a collaborative and forward-thinking environment where innovation ...

shaping system architecture, driving best practice, and developing robust, maintainable solutions that are relied upon by customers worldwide. You will work closely with electrical, systems, and test engineers to deliver integrated solutions, contributing across the full lifecycle from concept and design through to delivery and long term support. Backed … software architecture and design, ensuring scalable and maintainable solutions Contribute to microservice architecture and Azure based modernisation initiatives Maintain and evolve legacy systems while planning for their future development Collaborate with multidisciplinary engineering teams in an agile environment Participate in code reviews, sprint planning, and CI/ ...

single specialization (T-shaped skillset) — preferred but not strictly mandatory. - Experience integrating front-end applications with APIs and backend services. - Solid understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging … observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. - Experience mentoring engineers or influencing technical decisions is beneficial but not mandatory. ...

effort or cost-of-delay approaches.- Confident working with cross-disciplinary teams and senior technical stakeholders.- Comfortable operating in environments with legacy systems, competing priorities and incomplete information.- Excellent communicator, can translate complex technical issues into clear decisions and trade-offs.You’ll Thrive Here If You...- Care … deliver value - “product thinking for platforms.”- Believe in outcomes over output and in learning through iteration.- Value sustainability over speed, preferring well-designed, reliable systems to quick fixes.- Enjoy bringing structure and clarity to technically challenging, interdependent environments.- Are collaborative, pragmatic and curious - a steady hand in a complex ...