16 of 16 Remote/Hybrid Contract Legacy Systems Jobs

Staff Software Engineer (Java, Glasgow)

Hiring Organisation
LMA Recruitment
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
hub. This role is designed for a technical visionary capable of navigating large-scale enterprise environments while leading the transition from legacy systems to cloud-native, microservices-based architectures. As a Lead, you will bridge the gap between complex requirements and technical execution, taking direct responsibility … offshore development team of 20+ members, ensuring delivery excellence and code quality. Cloud Transformation: Lead the transition of hosting platforms from legacy systems to Kubernetes-based environments on GCP or AWS. Full-Stack Delivery: Architect and maintain robust, scalable applications using Java 17+ and Angular . Data ...

Senior Web Developer

Hiring Organisation
Office Angels
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
leading organisation on a contract basis . This is an exciting opportunity to work on a high-impact greenfield project , modernising legacy systems using cutting-edge technologies. The Role You will play a key role in the redesign and redevelopment of legacy in-house applications … while also supporting existing systems during the transition period. Key responsibilities include: Leading full-stack development on a greenfield application rewrite Supporting and maintaining legacy applications Collaborating with stakeholders to gather and refine business requirements Designing and managing MS SQL Server databases Developing integrations with internal corporate ...

Dynamics 365 Solutions Architect

Hiring Organisation
Xcede
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Build workflows and automation using Power Automate. Implement plugins, custom APIs, and Dataverse extensions for advanced functionality. Integration & Extensibility Integrate D365 with external HR systems and microservices via REST APIs, and custom connectors. Manage data migration from legacy systems ensuring integrity and consistency. Optimize performance ...

Technical Programme Manager - Workstream Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
delivery flow. * Support effective agile ways of working, including planning, ceremonies, prioritisation and delivery discipline. * Manage dependencies across other SAP workstreams, legacy systems, integration points, data migration activities, and third-party suppliers. * Proactively identify, manage, and escalate risks, issues, and decisions, driving timely mitigation and resolution. Assess ...

AWS Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£480 - £490 per day
understanding of working in secure, regulated, or classified environments Ability to work effectively within structured delivery frameworks Desirable Experience with large-scale or legacy system migration to cloud Knowledge of data governance, security, and compliance in public sector environments This role offers an immediate start for the right ...

Java Developer

Hiring Organisation
Hays Technology
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £410/day c. £410 per day
Your new company You will be joining a dynamic organisation supporting critical public sector operations, working on complex systems within a secure and highly regulated environment. Your new role As a Java Developer, you will be responsible for supporting and enhancing legacy applications, providing L3 support … Flexible remote working with structured on-site training Potential for contract extension beyond the initial term Exposure to modern technologies alongside legacy systems What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy ...

Java Developer - Active SC, Java, Oracle WebLogic

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400.0 - £425.0 per day + up to £425pd (Inside IR35)
Java Developer Active SC Clearance is essential; NPPV3 would be advantageous Strong expertise in Java 11+ with experience supporting legacy systems Proven experience with Oracle WebLogic 11gR1 or similar Experience developing and supporting PL/SQL Hands-on experience with ElasticSearch development and support Nice to have ...

Data Engineer Lead Role - Hybrid - Banking

Hiring Organisation
GCS
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day Inside IR35
supporting modern data platform, with a particular focus on Databricks, cloud-based data engineering, and leading the migration of legacy Oracle systems into scalable, cloud-native environments. The role supports the organisation's data strategy especially on Finance and Regulatory domain by ensuring high-quality, reliable pipelines … environment management. Ensure governance, performance optimisation. Legacy Oracle Migration Leadership Lead and coordinate the migration of data assets from Oracle database systems to the modern cloud data platform. Oversee source-to-target mapping, data model redesign, and automated migration frameworks. Define strategy for retiring legacy ...

Contract Python Developer

Hiring Organisation
Corecom Consulting
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £450/day Outside IR35
Fully Remote We're supporting a client in a regulated environment looking to engage an experienced Python (Django) contractor to work on a legacy system improvement project. This role will involve working on an established platform, helping to modernise and improve performance, while ensuring stability across a live … backend services Support testing, deployment, and release activities Experience Required Strong experience with Python & Django Background working on existing/legacy systems Solid understanding of databases (PostgreSQL or similar) Experience building or maintaining APIs Familiarity with modern development practices (Docker, CI/CD, testing) If this role ...

Enterprise Architect

Hiring Organisation
Harvey Nash
Location
South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
high-impact role with exposure to senior leadership. You will be responsible for shaping and governing enterprise architecture in an environment that combines operational systems, customer-facing platforms, and data-driven capabilities. The organisation is delivering a range of transformation programmes aimed at modernising legacy systems ...

Project Manager

Hiring Organisation
Computer Futures
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
extension) Start Date : ASAP We're seeking an experienced Project Manager to lead a Workday Planning implementation across a European business, replacing a legacy system. You'll manage end-to-end delivery, working closely with European stakeholders and Head Office to align with their existing solution. The focus ...

Contract Java Full Stack Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £400/day
functional teams throughout the software development lifecycle. Write clean, maintainable, and well-tested code following best practices. Support the modernisation of legacy systems into a unified SaaS platform. Participate in code reviews and contribute to technical discussions and solution design. Essential Skills Strong commercial experience with Java ...

Boomi Developer

Hiring Organisation
BOSS Professional Services LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £675 per day
Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations out of Infor LN (or legacy Baan systems). Familiarity with Infor LN’s database schemas and functional tables (Finance, Logistics, Procurement, Warehousing, or Manufacturing modules). Understanding of how Infor LN interacts ...

IBM LANSA Developer - Outside IR35

Hiring Organisation
IO Associates
Location
United Kingdom
Employment Type
Contract, Work From Home
Responsibilities Develop, maintain and enhance applications using Visual LANSA Work across IBM i/AS400 environments Support the modernisation of legacy business systems Develop and maintain integrations with internal and external systems Troubleshoot and resolve application issues Work closely with technical and non-technical stakeholders … problem-solving skills Excellent communication skills and ability to work directly with clients and stakeholders Desirable Experience Experience with application modernisation projects API and systems integration experience Consultancy or client-facing delivery experience RPG/RPG IV exposure What's on Offer Long-term project work Fully remote working ...

Change Manager - Financial Crime

Hiring Organisation
Natwest CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
change delivery of a new Customer Monitoring capability as part of a Financial Crime transformation programme, enabling the transition from a legacy rules-based Transaction Monitoring environment to a modern, model-driven and analytics-led platform that strengthens compliance, scalability, and risk detection. What you'll do: Lead … functional delivery across business, technology, operations, and vendor teams to implement the Customer Monitoring capability. Drive the transition from legacy Transaction Monitoring systems to a modern, analytics-led Financial Crime monitoring platform. Ensure successful delivery of change initiatives that meet regulatory, risk, and compliance requirements. Oversee ...

Change Manager - Financial Crime

Hiring Organisation
NatWest CWS
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
change delivery of a new Customer Monitoring capability as part of a Financial Crime transformation programme, enabling the transition from a legacy rules-based Transaction Monitoring environment to a modern, model-driven and analytics-led platform that strengthens compliance, scalability, and risk detection. What you'll do: Lead … functional delivery across business, technology, operations, and vendor teams to implement the Customer Monitoring capability. Drive the transition from legacy Transaction Monitoring systems to a modern, analytics-led Financial Crime monitoring platform. Ensure successful delivery of change initiatives that meet regulatory, risk, and compliance requirements. Oversee ...