11 of 11 Permanent Legacy Systems Jobs in Southampton

Lead Software Engineer

Hiring Organisation
Stockford Recruitment
Location
Southampton, UK
Employment Type
Full-time
help maintain and improve the business' infrastructure, security posture, and release processes across multiple systems. Key responsibilities Modernise and rebuild legacy PHP systems into Symfony. Deliver new platform features aligned to business and clinical requirements. Own/support release management across three systems (public website, admin … queries and staff IT support). What we're looking for Strong PHP/web engineering background with real experience modernising legacy systems (Symfony ideal). Confident across DevOps fundamentals: CI/CD, releases, scripting/automation. Linux (Ubuntu) admin experience and comfort maintaining core web services. ...

Data Engineer

Hiring Organisation
NEC Software Solutions
Location
Southampton, UK
Employment Type
Full-time
risks, and collaborate closely with technical and business stakeholders. Key Responsibilities Design, develop, and execute ETL processes to migrate data from legacy systems to target platforms. Write and optimise complex SQL queries (preferably MySQL) to support data extraction, transformation, and validation. Apply the full data quality framework … resolve data-related issues promptly. Ensure migrations comply with data governance, security, and regulatory requirements. Work with case management software and related systems to understand data structures and workflows. Qualifications Essential: Proven experience in public sector large-scale data migration projects. Strong SQL development skills within MySQL environments. Solid ...

Data Analyst - Must hold active SC Clearance

Hiring Organisation
Amber Labs
Location
Southampton, UK
Employment Type
Full-time
staff. We are seeking an SC Cleared Data Analyst to join our growing team and play a key role in modernising legacy systems and enabling data-driven transformation. What you'll do: Analyse existing legacy data structures, schemas, and relationships to understand current state. Document … data lineage, tracing where data originates and how it flows through systems. Create mapping documents between legacy data fields and new system fields to support migration. Define and implement strategies for data migration, ensuring accuracy and efficiency. Identify obsolete or redundant data that can be archived or removed. ...

Lead Devops Engineer

Hiring Organisation
Tembo
Location
Southampton, UK
Employment Type
Full-time
across both Azure and AWS environments. Lead infrastructure projects including cloud migrations, cost optimizations, disaster recovery planning, and security hardening. Modernize legacy systems, working across inherited Azure environments with .NET and Ruby stacks. Drive IaC adoption, particularly Terraform, across all environments. Collaborate with engineering leads to ensure … Infrastructure-as-Code (IaC) practices. Solid experience with CI/CD, observability tooling, incident response, and automated deployments. Comfort navigating and improving legacy infrastructure and multi-language environments (.NET and Ruby). A security-first mindset with experience implementing secure cloud architectures. A proactive approach to cost management ...

Senior Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Southampton, UK
Employment Type
Full-time
driven ingestion pipelines for diverse sources including: Dynamics 365/Dataverse, Business Central, SharePoint-hosted Excel files, SQL/ODBC/legacy systems, REST/Graph APIs and event streams Develop PySpark/Spark SQL notebooks for advanced data cleansing, transformation, and business logic Create production-ready ...

Lead Fabric Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
Southampton, UK
Employment Type
Full-time
support advanced analytics and reporting. You'll work across Microsoft Fabric, Power BI, and related technologies, enabling organisations to modernise legacy systems and adopt best-practice data engineering patterns. This is a hands-on, client-facing role where you'll lead technical conversations and deliver robust, maintainable ...

SC Cleared - Data Engineer (Databricks / Azure)

Hiring Organisation
Montash
Location
Southampton, UK
Employment Type
Full-time
Data Engineer is required to support a large-scale public sector digital transformation programme currently underway. The programme focuses on migrating data from legacy platforms into modern, cloud-based data environments. Key Responsibilities Design, develop and support data pipelines as part … cloud migration initiative Build and maintain data processing and transformation workflows using Databricks Support the migration of data from legacy systems into cloud-based platforms Work closely with architects, project managers and delivery teams to meet programme objectives Contribute to the modernisation of ageing enterprise data platforms ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Southampton, UK
Employment Type
Full-time
talented team on our mission to help people and businesses thrive through technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write ...

Winforms Developer

Hiring Organisation
Reggie & Cole
Location
Southampton, UK
performance improvements. This WinForms Developer role involves understanding existing codebases, implementing new features, improving stability, and ensuring smooth day-to-day operation of established systems while working closely with technical stakeholders. Skills & Experience: Strong C#/.NET development Proven WinForms experience Experience working on and maintaining legacy systems Solid understanding of object-oriented design Experience with SQL Server DevExpress experience desirable but not essential Ability to work independently and deliver to deadlines If you would like to apply for this role and are looking for a long-term, part-time engagement, this opportunity would ...

D365 CRM Technical Consultant

Hiring Organisation
Next Ventures
Location
Southampton, UK
Employment Type
Full-time
resource, operating between a Senior Developer and a Technical Architect. Lead the technical re-engineering and business transformation efforts, migrating wholesale legacy systems to Dynamics 365 CRM. Focus on CRM-centric development and architecture to support the 'inside out' transformation. Design and implement solutions to expand ...

Data Engineer (Azure Databricks Contract)

Hiring Organisation
Digital Waffle
Location
Southampton, UK
Employment Type
Full-time
January 2026 This role will focus on Azure Databricks, revamping Salesforce integrations, modernising data pipelines, and building a new integration layer to replace legacy systems. Key Responsibilities: Lead development and optimisation of Azure Databricks pipelines and workflows. Work with Azure Data Factory and Azure Data Streaming to ingest … making application-level changes where required. Experience with Salesforce integrations (revamp, rebuild, optimisation). Previous involvement in building integration layers and migrating from legacy systems. Contract Details: Length: 2 months (initially) Rate: £250-£300 (Outside IR35) Location: Fully remote (UK-based only) If you're a Databricks expert ...