26 to 43 of 43 Legacy Systems Jobs in the South East

Graph Database Specialist (Neo4j / PostGIS)

Hiring Organisation
Searchstone Ltd
Location
Oxford, Oxfordshire, UK
graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Graph Database Specialist (Neo4j / PostGIS)

Hiring Organisation
Searchstone Ltd
Location
Woking, Surrey, UK
graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Graph Database Specialist (Neo4j / PostGIS)

Hiring Organisation
Searchstone Ltd
Location
Brighton, East Sussex, UK
graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Graph Database Specialist (Neo4j / PostGIS)

Hiring Organisation
Searchstone Ltd
Location
Crawley, West Sussex, UK
graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Graph Database Specialist (Neo4j / PostGIS)

Hiring Organisation
Searchstone Ltd
Location
Milton Keynes, Buckinghamshire, UK
graph models and Cypher queries Build scalable, idempotent ETL/ingestion pipelines Architect PostGIS spatial schemas and queries Lead migration from legacy systems into graph architecture Expose data via high-performance APIs (REST/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong … production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN), Kafka/event streaming, spatial data experience Details Remote: Europe time zones preferred Type: Full-time (strong ...

Programme Manager -Data and AI

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £850 per day
Programme Manager - Data Platform, AI, Data Ecosystem, Data migration, Technology platforms, Analytics, AI Capabilities, Data Integration, Cloud, ERP, Snowflake, Service Transition, Legacy Systems, End-to-end, Transformation, Retail, Budget Management An amazing new opportunity has just become available to join a leading Retail company as a Programme ...

Solutions Architect

Hiring Organisation
Solus Accident Repair Centres
Location
Stansted, Birchanger, Essex, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Hybrid (Stansted - 3 days per week, 2 days remote) Responsibilities Define and maintain our enterprise ...

Contract Data Architect

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Hybrid Integration Design; Lead the design and implementation of data solutions that integrate Azure cloud-native services with legacy SQL Server systems and third-party APIs and data feeds. Data Modelling and Standards; develop and enforce data modelling standards (conceptual, logical, physical) across platforms. Promote reuse, consistency … stakeholders. Experience and Skills Required: Experience with Data Architecture and governance, public-cloud platforms (Azure, AWS, GCP) , SQL Server, data integration with third-party systems, ideally Microsoft Fabric Experience with data modelling and metadata management Experience in developing common data models for core business concepts Experience of CRM system ...

Technical Business Analyst

Hiring Organisation
Connells Group HQ
Location
Caldecotte, Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt.We offer a hybrid working arrangement, with two days … support as required, including investigation of issues using SQL and system logs where appropriate Mapping and documenting interfaces between legacy and new systems Experience & Skills Required: Essential Strong analytical skills, with the ability to understand complex systems and data flows Strong SQL and understanding ...

Principal Engineer

Hiring Organisation
TALENT INTERNATIONAL UK LTD
Location
Slough, Berkshire, UK
experience with Java, Spring Boot, and Node.js, building scalable and resilient backend services. Experience modernising or integrating with mainframe or legacy enterprise systems in highvolume environments. Proven ability to enforce engineering standards and operate effectively within highgovernance, regulated, or public sector contexts. Strong understanding of Agile delivery ...

Software Development Lead

Hiring Organisation
Bruin Financial & Professional Services
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£750 - £850 per day
Hybrid – 1 day onsite) Contract: Day Rate We’re working with a global investment-focused organisation delivering a major transformation programme, replacing a legacy platform with a modern, cloud-based ecosystem. They’re looking for a senior Software Development Manager to lead a key workstream focused on data … user experience Translate business requirements into clear technical delivery plans Drive engineering best practice, team performance and delivery standards Oversee knowledge transfer from legacy system SMEs into the wider team (without direct ownership of the legacy platform) What we’re looking for Proven experience ...

Full Stack Engineer

Hiring Organisation
Addition+
Location
Milton Keynes, Buckinghamshire, UK
Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems, and helping engineering teams deliver consistently high-quality software. What … partnering closely with design teams. What’s in It for You: Work in a modern, agile engineering environment free from legacy systems. Real influence on technical direction, architecture and standards. Supportive, collaborative culture built around ownership and transparency. Opportunity to mentor, innovate and shape how a growing engineering ...

Modernisation Delivery Lead

Hiring Organisation
ICAEW
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
successful delivery of infrastructure modernisation initiatives across ICAEW's technology estate. This includes planning and executing critical changes such as cloud migration, legacy system decommissioning, platform upgrades, and core infrastructure enhancements. The role ensures modernisation projects are delivered on time, to scope and budget, with appropriate governance, risk … lead delivery of infrastructure and platform modernisation programmes, including cloud enablement, server upgrades, network modernisation, backup and disaster recovery improvements, and decommissioning of legacy systems. * Identify and track delivery risks (e.g. downtime, system dependencies, support gaps) and proactively mitigate them through coordination with technical leads and suppliers. * Work ...

Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Guildford, England, United Kingdom
mentorship, and guidance to other solution architects. Drive alignment of the technology landscape with the enterprise target architecture, including identifying and planning for legacy system retirement. Support solution delivery teams by offering architectural expertise throughout the project lifecycle. Stakeholder Engagement Collaborate with cross-functional teams including developers, testers … effective techniques. Skills & Experience Essential Extensive experience defining, documenting, and architecting solutions across hybrid and on-premises cloud environments, including integration with legacy systems. Strong background providing architectural support to DevOps teams and working within Agile delivery environments. Proven experience in technical selection processes, including RFI/ ...

PMO Lead

Hiring Organisation
Randstad Technologies
Location
Dartford, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Contract This is a rare opportunity to own the governance of a high-profile programme and leave a lasting legacy through the systems and teams you build. If this opportunity excites you or you want to hear more about it then simply email your ...

Desktop Software Engineer

Hiring Organisation
Station Group International Limited
Location
Royston, Hertfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
youll be working on Designing and building next-generation desktop applications in C#/.NET Developing software that interfaces with laboratory instruments and automation systems Creating tools that support scientific workflows and chemical processes Contributing to architecture and helping shape new systems from the ground up Working closely … WinUI or similar) Solid engineering fundamentals (design, testing, maintainability) Comfortable working in a product-focused environment Interest in software that interacts with real-world systems Why this role Greenfield work on next-generation software Applications used in real scientific environments Opportunity to influence product and technical direction Engineering ...

Software Engineer (C++) - Hybrid

Hiring Organisation
Ashdown Group
Location
Hampton, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £38,000 per annum
ensuring compatibility across multiple protocols and legacy systems. This would be ideal for someone who really enjoys getting to grips with how systems work and wants to contribute to solving complex engineering problems. The following tasks are not exhaustive but will give you a good indication ...

Graduate Software Engineer/ C++

Hiring Organisation
Ashdown Group
Location
Hampton, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £38,000 per annum
ensuring compatibility across multiple protocols and legacy systems. This would be ideal for someone who really enjoys getting to grips with how systems work and wants to contribute to solving complex engineering problems. The following tasks are not exhaustive but will give you a good indication ...