1 to 25 of 89 Remote/Hybrid Permanent Legacy Systems Jobs

engineering performance across delivery, quality and technical standards, while helping shape the next phase of platform evolution. This includes modernising legacy systems, driving adoption of modern technologies and embedding AI-led efficiencies into both internal engineering workflows and customer-facing products. The Role Reporting directly … high-performing engineering function across multiple disciplines Own engineering delivery, release quality and technical execution Drive platform modernisation and migration from legacy systems to modern architectures Build scalable, modular, service-oriented systems and technical standards Oversee DevOps, infrastructure reliability, monitoring and release processes Foster strong collaboration ...

scale financial data platform. You'll be working with the technology team, supporting a core platform modernisation initiative. Our environment combines long-established enterprise systems and legacy components with modern cloud-based services running on AWS. The platform processes high-volume structured financial data and underpins both … internal systems and customer-facing products. A substantial portion of the platform is built on large SQL Server data estates, making strong SQL expertise non-negotiable. You will play a key role in modernising core systems, improving performance and reliability, and delivering scalable services for the next generation ...

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 ...

requests, and system improvement work ABOUT THE CLIENT We're working with an established and growing technology-driven organisation that specialises in data-led systems and analytics solutions. Due to continued demand and internal growth, they're looking to bring in an experienced Application Support Engineer to support … 12pm -8pm shifts due to US based clients. THE BENEFITS * Hybrid working model with flexibility * Opportunity to work on complex, data-driven systems * Exposure to both modern and legacy environments * Strong focus on autonomy and problem-solving * Collaborative environment with opportunities to influence system improvements ...

live trading. This is not a greenfield role. Success comes from adding value immediately within a large, demanding codebase — understanding existing Java and .NET systems well enough to reason about trade-offs, guide refactoring or selective rewrites, and make sound architectural decisions under pressure. The roadmap you produce … themselves. A strong candidate will actively embrace agentic AI tooling as a force multiplier — not just to accelerate development, but to rapidly comprehend unfamiliar systems, trace behaviour across services, uncover hidden dependencies, and validate architectural thinking. Combined with deep equities domain knowledge and experience building large-scale distributed systems ...

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 ...

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 - £55,000 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 ...

Title: Systems Developer ( .NET – Billing Systems) Location: Remote (UK) – Office based in North Yorkshire Salary: Up to £40,000 About the Role A well-established UK-based telecommunications services business is seeking a Systems Developer to join its development team. This role is focused on the support … enhancement, and modernisation of enterprise-level billing systems that process large volumes of critical data. The successful candidate will help ensure existing billing processes run accurately and efficiently, while also contributing to the development of modern, automated systems designed to reduce manual intervention and improve reliability. This position ...

emerging frameworks (including MCP where relevant) Influence product and engineering teams to adopt AI-first thinking Help modernise and evolve legacy systems into scalable, future-ready architectures Drive standardisation of data, language and structures across the business Deliver solutions that are production-ready and commercially impactful … delivery Commercially driven — focused on revenue, growth, and real-world impact Resilient and adaptable — comfortable working with both modern and legacy systems Motivated by solving complex problems and seeing your work deployed at scale You also bring : A strong appreciation for structured thinking, language, and data consistency ...

/ArcGIS) – Contract (Outside IR35) We’re supporting a major UK utilities organisation on a large-scale GIS transformation programme, migrating legacy systems to the ArcGIS platform and ESRI Utility Network model. They’re looking for a Senior Data Engineer with strong FME expertise to support data … Responsibilities Design and build data interfaces into ArcGIS Develop and test FME workflows (Readers, Transformers, Writers) Support data migration from legacy GIS systems Work closely with SMEs and technical teams to validate integrations Assist with ArcGIS data analysis and Utility Network configuration Requirements Strong hands-on experience ...

Title: Senior Systems Engineer (eDV Clearance required) Location: Hybrid In London Employment Type: Permanent Salary: Up to £98,000 + package Start Date: Immediate Industry: IT Services & Consulting We’re supporting a specialist consultancy delivering cutting-edge programmes across the UK Defence and National Security space. They’re looking … Senior Systems Engineer to lead the delivery of complex, mission-critical systems across secure environments. This is a high-impact role where you’ll bridge strategy and engineering - shaping solutions that integrate cloud, data, and AI technologies into secure, safety-critical systems. Senior Systems Engineer – Key Responsibilities ...

About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. The company is recognised for embracing cutting-edge technology and innovation, driving platform modernisation to support … lead on technology consolidation, shape future-state data and application landscapes, and set a clear roadmap for unifying and migrating core business-critical systems to modern SaaS and Azure-based solutions. Key Responsibilities Application Portfolio Mapping: Catalogue and document all enterprise systems, with focus on legacy ...

extend About the Role We’re partnering with a financial client that’s undertaking a large-scale data transformation, modernising legacy systems and building a unified analytics platform in the cloud. As part of this initiative, you’ll play a key role in developing and optimising … data models, ensuring performance, accuracy and user accessibility. Contribute to the migration of legacy SQL Server (SSIS/SSAS/SSRS) systems into a modern Snowflake/Power BI environment. Work collaboratively with business users to understand requirements, translate them into technical solutions and deliver robust, scalable ...

focused on building modern, scalable data platforms that power analytics, AI, and operational decision making. You will be working on real world, production grade systems rather than proof of concepts, with clear ownership and visibility across the full data lifecycle. What You’ll Be Doing You will be hands … Python where needed Develop real-time streaming solutions using technologies such as Kafka and Flink Integrate data from multiple sources including APIs, batch systems, and streaming platforms using AWS services like Kinesis, MSK, Lambda, and Glue Contribute to modern data architecture patterns including medallion architecture and event-driven design ...

Design: Help define the enterprise data architecture vision, standards, and roadmap. Aid in the design the initial data platform to support integration with core systems and future enterprise-scale data needs. Evaluate, recommend, and drive the adoption of modern data technologies, tools, and patterns (e.g., data lakehouse, ETL/… communication and stakeholder engagement skills, with the ability to influence at senior levels. Comfortable driving a data agenda in environments with legacy systems, evolving requirements, and strong regulatory constraints. Desirable Skills: Experience working with finance systems and associated data structures. Familiarity with cloud platforms (Azure ...

individuals as all work will require extensive collaboration with engineers and stakeholders across many teams. Key Responsibilities: Collaborate with engineers of legacy systems to understand what data is available and the form it takes Design queries & scripts to extract and transform data from … based workflows, code reviews, and CI/CD practices. Preferred Qualifications: Have used Azure cloud services previously Experience with streaming/event-driven systems e.g., Kafka/Kinesis Experience with infrastructure as code e.g., Terraform and containerization e.g., Docker/Kubernetes Familiarity with data governance, cataloging, lineage, and privacy ...

individuals as all work will require extensive collaboration with engineers and stakeholders across many teams. Key Responsibilities: Collaborate with engineers of legacy systems to understand what data is available and the form it takes Design queries & scripts to extract and transform data from … based workflows, code reviews, and CI/CD practices. Preferred Qualifications: Have used Azure cloud services previously Experience with streaming/event-driven systems e.g., Kafka/Kinesis Experience with infrastructure as code e.g., Terraform and containerization e.g., Docker/Kubernetes Familiarity with data governance, cataloging, lineage, and privacy ...

Lead modernisation. Build better data foundations in a role with real scope and visibility. A well-established business in Bristol is investing in its systems, data, and long-term technology roadmap. They're looking for a Database Engineer to take ownership of a sizeable SQL Server estate, improve standards … help drive a transformation of legacy systems to modern systems. As Database Engineer, you will be central to improving performance, upgrading legacy environments, strengthening security, streamlining data flows, and shaping how data supports reporting, operations, and future analytics . Key Responsibilities: Take ownership ...

Cloud transformation programme . This is a senior, high-impact role focused on designing scalable data architectures, enabling seamless migration from legacy systems, and ensuring robust data governance across enterprise platforms. Key Responsibilities: Data Architecture & Strategy Define and lead the enterprise data architecture strategy for Oracle Fusion … domains Data Migration & Integration Lead data conversion and migration activities using: Oracle FBDI ADFdi HDL REST/SOAP APIs Map legacy data structures to Oracle Fusion data models Design and implement integrations using: Oracle Integration Cloud (OIC) Oracle Data Integrator (ODI) Oracle Fusion Data Intelligence (FDI) Governance & Data ...

ontology capabilities. Experience in multi-cloud and data migration environments: Experience working with data environments in Microsoft Asure, AWS, and legacy systems, and a proven ability to consolidate and migrate data processes and workloads into Palantir Foundry as part of a broader data strategy. Data-driven business ...

data modelling (dimensional modelling, medallion architecture) Strong communication skills and ability to work with non-technical stakeholders Desirable: Experience migrating from legacy systems (e.g. SAP BW) Exposure to SAP data (HANA, BW, SuccessFactors, etc.) Experience with Power BI and semantic models Why Apply? Work on a high ...

data modelling (dimensional modelling, medallion architecture) Strong communication skills and ability to work with non-technical stakeholders Desirable: Experience migrating from legacy systems (e.g. SAP BW) Exposure to SAP data (HANA, BW, SuccessFactors, etc.) Experience with Power BI and semantic models Why Apply? Work on a high ...

clear, engaging way to non-technical audiences Experience designing and delivering reporting solutions that drive business outcomes Desirable Experience working with legacy systems and integrating data from multiple sources Familiarity with Agile ways of working Awareness of data governance and regulatory requirements within housing About ...

major technology programmes that modernise their digital estate. This includes cloud migration, infrastructure and network transformation, data platforms, and the decommissioning of legacy systems. You'll work closely with Architecture, Engineering, Cyber and Technology teams to translate digital strategy into clear delivery roadmaps, oversee portfolio performance, and ensure … Azure or AWS) Infrastructure modernisation, including data centre consolidation, network transformation or SDWAN deployment Decommissioning and migrating from complex, high risk legacy systems Leading multi supplier or multi disciplinary engineering teams through significant technical change Convert digital strategy into actionable multiyear delivery roadmaps Prioritise and sequence programmes ...

This is a business where software directly supports real-world decision-making, and where developers work closely with users who genuinely depend on the systems they build. The role is fully remote (UK-based) and offers a salary of up to £70,000, depending on experience. Role … understand issues, requirements and opportunities for improvement Delivering fixes, small enhancements and new tools or services based on real user needs Supporting live production systems, including investigation and resolution of application issues Contributing to improvements in architecture, tooling and development practices over time Core Technology Stack Java (server-side ...