1 to 25 of 40 Legacy Systems Jobs in the South East

Business Systems and Application Engineer Permanent Milton Keynes Hybrid working Were supporting a leading SME engineering organisation that specialises in complex, high value electromechanical systems for naval and defence platforms. Theyre looking to appoint a driven Business Systems and Application Engineer to help drive digital transformation … operational efficiency across the business. Key Responsibilities Own and manage core business systems and integrations Build Power Apps for data capture and operational workflows Automate processes using Power Automate Develop Power BI dashboards, reports and KPI displays Integrate data across multiple systems (SQL, SharePoint, Dataverse, APIs, legacy ...

leadership within the technology team and a number of upcoming projects, this is a great time to join a business investing in its systems and digital capabilities. Full Stack Developer Hampshire | Hybrid Working | £45,000 – £50,000 You’ll be working as part of a collaborative development team , helping … C# and .NET Designing and building RESTful APIs that support internal and external services Contributing to new greenfield projects , as well as improving existing systems Supporting the modernisation of legacy applications Working with cloud-based infrastructure in Microsoft Azure Collaborating with developers, product stakeholders, and support teams ...

experienced engineer who possesses hands-on LogiInfo web application development expertise and is eager to play a vital role in transforming legacy systems into contemporary solutions. In this role, you will be crucial in understanding the existing application framework and ensuring a successful transition … application development.- Solid understanding of application architecture, backend services, and data management principles.- Proven ability to analyze and document legacy systems effectively.- Excellent communication skills for collaboration across technical and non-technical teams.- Experience with custom-built platforms and modern web stacks is a plus.If ...

active role in shaping the next generation of our platform. This is an ideal opportunity for an engineer who enjoys working with complex systems, values clean and maintainable code, and is motivated by meaningful technical challenges. Key Responsibilities Design, build, test, and deliver new features within a desktop-based … grounding in software engineering principles and best practices Experience working within large or complex codebases Demonstrated ability to refactor and improve legacy systems Excellent debugging and problem-solving capabilities Experience with real-time or multi-threaded applications Proficiency in C/C++ and C# Personal Attributes Clear ...

play a pivotal role. This is a high-impact position where you'll lead the end-to-end migration from legacy billing systems to a modern, scalable platform , while owning the digital billing experience across customer channels. You'll sit at the intersection of product, technology … billing migration strategy and execution Own the migration roadmap, including dependencies, risks, and key milestones Oversee transition from legacy systems with minimal/no customer disruption Ensure pricing integrity, service continuity, and regulatory compliance throughout Proactively resolve product, billing, and integration challenges Digital Product Ownership Own billing ...

DevOps Engineer to join a growing engineering capability and play a central role in shaping how AI is embedded into real, production-grade software systems . This is not a traditional people-management role . Instead, you'll lead through technical depth, architectural judgement, and delivery experience by setting … capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet , and you care about building systems that are secure, operable, and genuinely useful, this role offers the chance to have real impact. What you'll be doing Your focus will ...

forefront of the industry. This is a rare opportunity to be part of the core technical team developing the next generation of systems to form a new foundation for the business. This position requires 3+ years of experience in building, maintaining and troubleshooting SaaS products, ideally using .NET, React … database query optimization in both Oracle SQL and TSQL is highly desirable. A willingness to dive deep into legacy on-prem systems is crucial. Key Responsibilities Build and maintain full-stack systems that run in Azure Cloud environments, both internal and client-facing Create and maintain ...

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 troubleshootintegrations across: Timesheet systems HR workflows including Excel exports Internal operational systems Implement workflow automation and triggers Debug live production issues ...

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 ...

live stability. Data Migration Support: Collaborate with data owners to define objects, cleansing rules, and validation logic for migration from legacy systems to S/4HANA. Testing & QA: Coordinate User Acceptance Testing (UAT), develop test scripts, and ensure that the solution meets defined business criteria. Change Management ...

live stability. Data Migration Support: Collaborate with data owners to define objects, cleansing rules, and validation logic for migration from legacy systems to S/4HANA. Testing & QA: Coordinate User Acceptance Testing (UAT), develop test scripts, and ensure that the solution meets defined business criteria. Change Management ...

technology. The Role This is a hands-on backend role with real ownership. You'll work across both: Stabilising and improving existing Laravel-based systems Designing and building new SaaS products using a modern tech stack You'll act as the backend authority within a small, collaborative team, working … Senior UX/UI Designer. What You'll Be Doing Design & Development Build and maintain scalable SaaS applications Develop clean, well-structured backend systems using modern Laravel Design and implement robust RESTful APIs for a React frontend Architecture & Ownership Own backend architecture and code quality Design multi-tenant database ...

deployed globally. Key Responsibilities Support the implementation and rollout of Microsoft Dynamics 365 Business Central across the business. Lead the migration of legacy data, ensuring data … cleansed, validated, and accurately transferred prior to go-live. Work with project teams to map data fields and business processes from legacy systems into the new ERP environment. Configure Business Central modules and reporting solutions aligned to approved business requirements. Create and execute test scripts within Azure ...

high-performing team tackling some of the most technically demanding challenges in the defence sector. This isn't about maintaining legacy systems or shipping incremental updates - it's about building cutting-edge capability that operates at the edge, in the field, and under pressure. ## The Role … hardware environments, sensors, and robotics - the kind of engineering problems that push you to grow. You'll own code releases and deployments, support operational systems, and collaborate across disciplines to drive agile best practice into real-world solutions. ## What You'll Be Doing You'll work closely with ...

exceptional van callout (1 in 3-4) Requirements • 5 years in electronic security • Experience with enterprise and legacy systems • Competent with servers, firmware, commissioning & fault finding Systems Experience (some of) • Milestone Systems, Genetec, Avigilon • Gallagher, Lenel, Nedap • CCure, AMAG, S2 • 2N, Zenitel Profile • Strong ...

Title: Engineering Lead (C++) - Low Latency/Trading Systems Location: London (Hybrid) Overview Our client is a global fintech operating at scale across trading, risk, and market connectivity. They are hiring an Engineering Lead (C++) to take ownership of a business-critical platform sitting at the heart of real … Define and deliver a clear technical and product vision Improve release processes, reducing downtime and increasing deployment frequency Drive modernisation across legacy systems, infrastructure, and tooling Collaborate closely with trading, quant, and risk stakeholders Remain hands-on, contributing to production-grade C++ code What They're Looking ...

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 ...

Role You’ll lead multiple engineering teams and delivery partners, driving the build and integration of modern, cloud-based platforms while transitioning from legacy systems. This is not a hands-on coding role , but equally not a pure programme role — you’ll sit at the intersection of engineering ...

boarding of new customers in the UK Drive structured implementation processes with clear milestones Support and guide customers in migrating from legacy systems and processes (including Distinctive Systems) Map existing workflows and translate them into the platform Ensure successful go-live with minimal operational disruption Customer … from working within or alongside a coach operator Strong understanding of how a coach operator runs: sales, bookings, planning, and operations Familiarity with Distinctive Systems and how it is used in practice Project management, preferably within the implementation of technology Interest in and ability to work with technology ...

monthsIR35: Outside IR35Location: Remote The Role:· Support the redesign and rebuild of a core data mart, ensuring accuracy and reliability vs legacy systems· Review, understand, and improve existing dbt models (hands-on development)· Perform SQL-based analysis and validation across legacy and new data marts … Troubleshoot data issues and support data quality improvements· Validate data outputs and ensure consistency across systems· Build SQL logic to validate data feeding into Tableau dashboards· Work closely with Analytics Engineers to refine models and improve overall data structure Key Skills:· Strong SQL experience working with complex data models ...

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 ...

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 ...

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 ...