18 of 18 Legacy Systems Jobs in the South West

Software Engineering Manager

Hiring Organisation
South West Water
Location
Exeter, Devon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
regulated environment. Key Responsibilities Define and deliver a clear software platform strategy and roadmap across custom applications, APIs, low-code, and legacy systems Lead high-quality, predictable delivery of software changes across internal teams, citizen developers, and third-party suppliers Own and prioritise the development backlog, balancing … enable safe, scalable use Oversee responsible adoption of AI-enabled capabilities Ensure architectural integrity, security, and compliance across all solutions Manage legacy systems, including modernisation and decommissioning plans Maintain reliable, resilient platform operations Lead and develop high-performing engineering teams and partners Control and optimise platform ...

Lead Solution Architect Endur (ETRM Gas & Power Trading)

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
Architect to shape the technology behind our Gas & Power Trading International (GPTI) business. This role sits across the full trading landscape from front-office systems to back-office processing, data platforms, integrations and infrastructure. Youll take ownership of the technology roadmap, with a strong focus on the Endur … technology is aligned, scalable and fit for the future. Youll play a key role in modernising our estate moving from legacy systems to more cloud-based and hybrid solutions while keeping performance and reliability at the level required for real-time trading. Were also looking for someone ...

Senior Software/Applications Developer

Hiring Organisation
ECS
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
Developer Location: Cheltenham (Hybrid) Salary: £65k As a Senior Developer, you will play a key role in supporting, maintaining, and evolving our core business systems and integrations. Working within the Business Systems team, you will deliver reliable, scalable solutions that support day-to-day operations, improve user experience … enable business growth. This is a hands-on, varied role combining development, database optimisation, and systems integration. You will collaborate closely with stakeholders across the business, contributing to both new initiatives and continuous improvement of existing platforms. Your responsibilities as a Senior Developer will be: Develop, maintain, and enhance ...

Business Systems Analyst

Hiring Organisation
Tenth Revolution Group
Location
Chippenham, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
business. As part of a large-scale transformation programme, you'll help modernise core business platforms, support cloud adoption, replace legacy systems, and drive the delivery of enterprise-wide digital solutions. Working at the intersection of business operations and technology, you'll collaborate with stakeholders across … requirements, and translating them into practical, scalable technology solutions. This is a highly visible role offering exposure to a diverse portfolio of projects spanning systems integration, process improvement, platform modernisation, and digital transformation initiatives. Key Responsibilities Partner with business stakeholders to understand current processes, challenges, and strategic objectives. Gather ...

.Net Engineer

Hiring Organisation
Canada Life UK
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Part Time
need Engineers to support the transformation and the future growth of the business, simplifying our IT architecture by removing our legacy systems and delivering new solutions providing market-leading services for our colleagues, customers and advisers. What you'll do The Engineer is responsible for the design … decision-making skills. Excellent time and self-management through effective planning & prioritisation of tasks Desirable Skills: Azure PaaS M-Files Experience with distributed systems (SOA, Microservices) Benefits of working at Canada Life We believe in recognising and rewarding our people, so we offer a competitive salary and benefits package ...

Junior Solution Architect

Hiring Organisation
Lynx Recruitment Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
enterprise-grade solutions across cloud, hybrid and on-prem environments. Working alongside experienced architects, youll help shape modern architectures connecting legacy systems with emerging technologies, including AI. This is a client-facing role with strong progression into a fully-fledged Solution Architect position. Key Responsibilities Contribute ...

Continuous Improvement Lead

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£58,000 - £60,000 per annum
continued digital and organisational development.Technology plays a critical role in enabling frontline services and improving efficiency across the organisation with ongoing investment in systems, infrastructure, and data-driven capabilities. The environment is complex and fast-paced, requiring individuals who can balance day-to-day operational demands with longer-term … technical teams, understanding system integrations, data flows and operational constraints, while ensuring solutions are robust, secure and scalable. Experience working with legacy systems and third-party vendors, alongside an ability to oversee testing, deployment and ongoing optimisation, will be key to success in this role. Previous experience ...

Data Engineer

Hiring Organisation
Halian Technology Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
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 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 ...

Senior Software Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Wellington, Somerset, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Bonus + Progression + Hybrid
shaping system architecture, driving best practice, and developing robust, maintainable solutions that are relied upon by customers worldwide. You will work closely with electrical, systems, and test engineers to deliver integrated solutions, contributing across the full lifecycle from concept and design through to delivery and long term support. Backed … software architecture and design, ensuring scalable and maintainable solutions Contribute to microservice architecture and Azure based modernisation initiatives Maintain and evolve legacy systems while planning for their future development Collaborate with multidisciplinary engineering teams in an agile environment Participate in code reviews, sprint planning, and CI/ ...

Software Engineer

Hiring Organisation
Proactive Appointments
Location
Taunton, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 60,000 Annual
will design, develop, test, and maintain both desktop and web applications using C#, WPF, Vue.js, and related modern technologies. Working closely with electrical, systems, and test engineers, you'll help deliver cohesive, integrated solutions that support their cutting-edge industrial products. We are looking for someone with strong commercial … architecture Solid understanding of software design principles (SOLID) Experience with CI/CD , agile development, and code reviews Ability to maintain Legacy systems while driving modernisation initiatives Bonus: Knowledge of electronic circuits or industrial software environments Software Engineer Due to the volume of applications received for positions ...

Senior Software Engineer

Hiring Organisation
Platform Recruitment Limited
Location
Wellington, Somerset, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
role involves close collaboration with multidisciplinary teams and input into architectural decisions. The Role You will work across a blend of modern service based systems and established desktop applications, contributing to both ongoing improvements and new product development. The position involves hands on development, architectural input, and close collaboration … responsiblities Design, develop, test, and maintain desktop and web applications Work with C#, WPF, and modern JavaScript frameworks Support and enhance legacy systems while helping drive modernisation Contribute to architectural decisions and system design discussions Requirements Strong experience in C# and WPF desktop application development Experience with ...

Application Support Engineer - IBM iSeries / AS400

Hiring Organisation
Upbeat Ideas UK Ltd
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Permanent
ensure timely resolution of production issues. Work closely with business users and cross functional teams to ensure system stability. Support legacy systems with a focus on availability, performance, and reliability. Required Skills: Strong hands on experience in AS400/IBM iSeries Expertise ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
Wellington, Somerset, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
role involves close collaboration with multidisciplinary teams and input into architectural decisions. The Role You will work across a blend of modern service based systems and established desktop applications, contributing to both ongoing improvements and new product development. The position involves hands on development, architectural input, and close collaboration … responsiblities Design, develop, test, and maintain desktop and web applications Work with C#, WPF, and modern JavaScript frameworks Support and enhance legacy systems while helping drive modernisation Contribute to architectural decisions and system design discussions Requirements Strong experience in C# and WPF desktop application development Experience with ...

ERP Data Migration Analyst

Hiring Organisation
Robert Half Limited
Location
Tetbury, Gloucestershire, South West, United Kingdom
Employment Type
Contract
migration project. The successful candidate will be responsible for managing ERP-related activities, extracting and validating data, and supporting the transition from a legacy ERP system to Microsoft Dynamics 365 Business Central . This role requires strong hands-on experience with ERP data migration, including data extraction, cleansing … administering ERP systems. Strong experience in ERP data extraction, migration, and system implementation projects. Demonstrated experience migrating data from legacy ERP systems to modern ERP platforms. Experience with data mapping, cleansing, transformation, validation, and reconciliation. Experience supporting ERP system upgrades, implementations, or migrations. Strong communication and stakeholder ...

Project Manager

Hiring Organisation
Lorien
Location
Bristol, England, United Kingdom
business analysts. We are seeking a Project Manager to lead projects within the Housing IT Transformation programme to decommission multiple legacy housing systems and ensure compliant retention of historical data. You’ll lead the identification, assessment, and secure archiving of data across systems including Civica … fixed deadlines and external dependencies • Strong planning, governance, and delivery management skills Desirable • Experience in housing, public sector, or regulated environments • Knowledge of Civica systems, NEC, or similar platforms • Familiarity with data discovery and cataloguing approaches ...

Technical Business Analyst

Hiring Organisation
SR2
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
technology, offering long-term career opportunities and a collaborative, supportive culture. The role: Gathering and documenting business and technical requirements Process mapping and systems analysis API and integration documentation Data analysis and migration support Legacy system analysis and transformation projects Facilitating workshops with business and technical teams … Requirements: Experience as a Technical Business Analyst, Systems Analyst or Business Systems Analyst Good data analytic experience with Excel, and either SQL or PowerBI Strong requirements gathering and documentation skills Experience working on technology delivery projects Communicating with stakeholders at a variety of levels Agile experience (financial services ...

Data Analyst

Hiring Organisation
Robert Half Limited
Location
Gloucestershire, South West, United Kingdom
Employment Type
Contract
financial data to support decision-making. Support forecasting and budget planning activities. Assist with data migration. Extract, manipulate and present data from legacy and modern business systems. Support wider business analysis initiatives across the organisation. Contribute to ongoing digital transformation and AI initiatives. Experience Required Strong experience using … present data effectively. Commercial awareness and strong numerical skills. Experience working with financial and operational data. Ability to learn and work with new systems quickly. Strong Microsoft Office skills. If this opportunity aligns with your experience, please apply as soon as possible. My client is looking to move quickly ...

Data Architect - Outside IR35

Hiring Organisation
Talent Locker
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
points, partners, customer engagement, and redemption journeys. The work involves integrating and aligning data across a complex mix of legacy and modern systems to create a consistent end-to-end view of the platform. The environment includes strong engineering capability across microservices, cloud, AI, and data-driven … services, alongside complex integration across an existing estate. What you'll be doing; Design end-to-end data flows across multiple systems Translate requirements into data architecture and mapping solutions Support integration, migration, and system consolidation activity Define data pipelines and data movement (inbound/outbound) Work within microservices ...