1 to 25 of 33 Permanent 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Description: The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments As a Java L3 resource you will be responsible for triaging and resoling production issues on priority and solving complex technical support challenges, troubleshooting, debugging … services (EC2, ECS, EKS, API Gateway and Serverless technologies) Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributed systems Public Sector domain experience preferable ...

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 ...

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 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 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 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 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 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 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 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 ...

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 ...