51 to 75 of 212 Remote/Hybrid Legacy Systems Jobs

Senior Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
engineering and technology solutions for over 20 years, trusted by global brands to solve complex challenges and drive innovation. From modernising legacy systems to building cutting-edge applications, we help our clients navigate an ever-changing digital landscape with confidence and agility. We’re proud ...

Test Environment Manager

Hiring Organisation
Euroclear
Location
United Kingdom, UK
Employment Type
Full-time
seeking an experienced Test Environment Manager to drive the test environment management to support a large-scale transformation programme moving from a legacy monolithic setup to a microservices-based set up using Java/Kafka/OpenShift. This role will also require also support/management … planning and scheduling of test environments for project workProviding this for OpenShift/Kafka based environments (inclduign hands on) and legacy systems Support and Troubleshooting: Provide ongoing support to squads & troubleshooting problemsAct as a liaison between development, QA, and support teams to address and resolve environment-related ...

Technical Business Analyst - 12 month fixed term contract

Location
Greater London, England, United Kingdom
seen what technology can do. Now, imagine building the systems to make it happen from the ground up. An organisation dedicated to building public trust and setting professional standards is at a crossroads. Despite their critical mission, they’ve never had a dedicated Business Analysis team. Instead, this … enhance user experience. It’s not just about solving today’s technology challenges, you’ll be reshaping how the organisation operates, turning aging systems into a strategic asset that drives trust, efficiency, and innovation. Why this role stands out: This isn’t about maintaining systems and processes ...

Payroll Data Lead

Hiring Organisation
Primark
Location
Reading, England, United Kingdom
incumbent payroll provider to a new provider. You’ll lead the payroll data workstream, ensuring accurate extraction, mapping, cleansing, validation, and migration across multiple systems including Workday, UKG, and the new payroll platform. Key Responsibilities Data migration leadership — Own the payroll data migration strategy, plans, timelines, and delivery. Data … analysis & cleansing — Perform detailed validation, reconciliation, and quality checks. Data mapping — Map data between legacy systems, UKG, Workday, and the new provider. Migration cycles — Execute mock migrations, testing cycles, and final cutover. Issue resolution — Identify and resolve data discrepancies and risks. Testing support — Support UAT, parallel runs ...

Principal Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
shipped production‐grade platforms: the reusable foundations, tools, infrastructure, and workflows that help other teams shift faster and more reliably Taken AI and agentic systems from prototype to production, with a strong understanding of infrastructure, authentication, and observability Delivered on high‐stakes consulting engagements across multiple language paradigms, stacks … record of understanding, assessing, and embracing new tooling and trends within the software industry Built or integrated AI/ML features into products and systems, including recommendation engines, NLP, computer vision, predictive analytics, RAG pipelines, and agents Successfully led modernisation and replatforming efforts to align legacy systems ...

Finance Transformation Manager

Hiring Organisation
Stanton House
Location
London, UK
Employment Type
Full-time
evolving a global finance function within a complex, multi-entity organisation. This role sits at the intersection of financial operations, commercial insight, and systems architecture. You will be instrumental in consolidating data across a complex legacy systems landscape, building commercial intelligence platforms, and stress-testing financial … design and implement governance frameworks, processes, and methodologies, the real impact comes from validating what works; challenging assumptions with rigor, and build systems that connect sources into a single source of truth for the business. Key Responsibilities: Design and deliver a consolidated financial reporting platform, bringing together data from ...

Java Developer

Hiring Organisation
Halian Technology Limited
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
trusted technology partner to major NHS Trusts , with its platform now widely used by clinicians across the UK. Replacing outdated legacy systems with intuitive, user-centric tools, they are improving how healthcare teams operate and ultimately enhancing patient outcomes. With multiple industry awards , major contracts secured … platform and wider engineering function. Youll join a high-performing team of 20+ engineers , working on a mix of greenfield and evolving systems , contributing across a full-stack, microservices architecture . This is more than just a coding role its an opportunity to build technology that directly improves lives ...

Lead Data Engineer

Location
Glasgow, Scotland, United Kingdom
/compliance contacts — who will be understandably cautious about changes to a live trading data estate. Skills & Experience You know your way around legacy SQL Server estates You're genuinely strong in SQL Server — schema design, query performance, stored procedures, indexing — and comfortable working in large, poorly documented … ambiguous engagement. You can navigate the caution and politics of a large FS operator — multiple stakeholders, risk‐averse change processes, and legacy systems that can't just be switched off. You're happy being onsite in Glasgow two days a week, building trust face‐to‐face with ...

Director of Engineering

Location
City Of London, England, United Kingdom
assurance of delivery quality. Specific responsibilities are as follows: Engineering Leadership & Delivery Public-facing web platforms, customer-focused channels and digital services. Internal business systems and integrations. CRM and Dynamics-based solutions. Ensure predictable, high-quality delivery against agreed roadmaps and priorities. Balance pace, quality, and sustainability … solutions. Track record of improving engineering delivery, quality, and reliability. Familiarity with cloud-based platforms and modern integration patterns. Experience modernising legacy systems pragmatically. Proven experience leading continuous improvement initiatives across a complex organisation. Experience working in complex, regulated, or mission-critical environments. Strong analytical and problem ...

Senior Data Engineer – (London, Hybrid 3 days onsite) | £85k–£110k + bonus

Location
Greater London, England, United Kingdom
Databricks + Snowflake ecosystem built for scale, auditability and reliability. The Role Build & optimise pipelines in Databricks, PySpark, Python, Kafka Modernise legacy systems into a scalable, auditable cloud data platform Work closely with Product, DevOps & Regulatory teams You Bring Strong Python, PySpark, SQL Experience building auditable, reproducible ...

Technical Architect

Location
Greater London, England, United Kingdom
Authority (TDA) forums Translate business and user needs into scalable, secure and standards-compliant technical solutions Conduct AS-IS assessments of legacy systems and define TO-BE target architectures and transition roadmaps Champion GDS Service Standards, Government Technology Code of Practice (TCoP) and secure-by-design principles ...

Applied AI Architect

Location
United Kingdom
redesigning their SDLC — code review, requirements, testing, documentation, and governance. From there, the work expands: co-building agentic applications and modernizing legacy systems on the Claude developer platform, and partnering with business stakeholders to deploy agents into core operations like sales, customer service, and finance. ...

Engineering Manager (Remote - UK)

Location
Greater London, England, United Kingdom
Architecture to shape technical strategy and delivery plans Guide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systems Set and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentation Stay close to technical decisions through design reviews, architecture … Hands‐on experience using or introducing AI or ML tools within engineering teams Technical Foundations Solid understanding of cloud‐native architecture, AWS and distributed systems Proficiency in at least one modern programming language Strong grasp of system design and software engineering fundamentals Experience with Infrastructure as Code, CI/ ...

Control Engineer

Hiring Organisation
Blue Arrow- Engineering
Location
Coventry, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Responsibilities Design and develop control software for Siemens TIA Portal/S7 and/or Rockwell Studio 5000-based systems. Support legacy systems where required, including Siemens S7 Classic and STL/IL code. Write PLC software from first principles for industrial machinery and automation projects. Develop … interfaces. Write, test and commission safety-related control software in line with project requirements and safety matrices. Configure and commission VFDs, servo drives, motion systems, fieldbus networks and remote I/O. Work with industrial communication networks such as ProfiNet, Profibus, EtherNet/IP and similar protocols. Read ...

System Analyst

Hiring Organisation
JMG Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
market annually and our teams are well respected by the market. Customer excellence is the backbone of our business, which means that our people, systems, and processes are central to our success. The opportunity We have a brand-new opportunity for a Systems Analyst to join our growing … team. Reporting to the Broking Systems Manager, this role will provide support to Acturis users to resolve day-to-day queries, while helping colleagues make more efficient, consistent and confident use of the system across the group. This will include items such as adding users, updating user profiles, adding ...

Systems Analyst

Hiring Organisation
Anson Mccade
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£485 per day
Systems Analyst Location : West London/Hampshire area - Hybrid Salary : £485 per day Inside IR35 We are seeking an experienced Systems Analyst to support a major Data Migration project within a leading Consultancy assisting on a Data migration project. Key Responsibilities as a Systems Analyst Support product … SaaS solutions. Support Operational Readiness and post-Go Live processes. Support functional and non-functional SaaS configuration. Develop requirements and solutions through detailed systems and business analysis. Support system design and development across internal teams and external vendors. Lead Systems Integration Testing and support User Acceptance Testing. Support ...

Senior Software Developer

Location
Otley, England, United Kingdom
improving our software architecture and development practices, making our code easier to maintain and our developers more effective, while carefully modernising legacy systems without disrupting live studies. Partner with Product Managers to shape and deliver new features, balancing participant and user needs, accessibility and technical feasibility. Develop … versions across packages without introducing regressions. Working knowledge of browser and WebView environments, and an appreciation of how behavior can vary across devices, operating systems and browser versions. A careful and rigorous approach to work, especially when handling sensitive data. Experience with the application of security and privacy best ...

Senior Business Analyst

Location
Chandler's Ford, England, United Kingdom
over-engineered for its own sake. Maintain a living library of process and requirements documentation that is updated as work progresses and systems evolve, rather than left to go stale post-delivery. Define acceptance criteria in close collaboration with the development team, supporting testing and validation throughout the delivery … manage your own workload, prioritise effectively and deliver to deadlines without close supervision. Experience working across a mixed technology landscape, including legacy systems and modern cloud-based platforms, with an understanding of how the two interact and the constraints each can present would be beneficial. Ability ...

Tribe Lead - ( Software) Engineering Centre of Excllence

Hiring Organisation
SD Worx
Location
Salford, Greater Manchester, UK
Employment Type
Full-time
with AI" to standardizing it as a core competency, measuring the impact on velocity and code quality. Modernize our approach to legacy systems, using AI to accelerate refactoring and reduce technical debt. Drive the shift from "developer-as-coder" to "developer-as-orchestrator," ensuring our teams effectively ...

Solutions Architect - HYBRID / REMOTE

Hiring Organisation
Proactive Appointments
Location
Surrey, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £95,000 per annum
Provide architectural assurance, risk management and technical leadership. Influence senior stakeholders and communicate complex technical decisions effectively. Support technology strategy, platform modernisation and legacy system retirement. Lead technology evaluations, RFI/RFP processes and supplier assurance. Mentor and provide technical leadership to other architects. Key experience: Senior-level ...

Senior Data Engineer SQL Snowflake - Finance

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
play a key role in shaping a new Snowflake based data platform, influencing architecture and technology choices while modernising legacy systems and migrating them to the new platform. Collaborating closely with stakeholders and data owners, you'll turn business requirements into robust solutions, troubleshoot complex data challenges ...

Test Environment Manager

Location
Greater London, England, United Kingdom
planning and scheduling of test environments for project work Providing this for OpenShift/Kafka based environments (inclduign hands on) and legacy systems Support and Troubleshooting: Provide ongoing support to squads & troubleshooting problems Act as a liaison between development, QA, and support teams to address and resolve ...

Engineering Manager (Remote - UK)

Hiring Organisation
Reonomy
Location
London, UK
Employment Type
Full-time
closely with Product and Architecture to shape technical strategy and delivery plansGuide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systemsSet and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentationStay close to technical decisions through design reviews, architecture ...

Engineering Manager (Remote - UK)

Hiring Organisation
Reonomy
Location
Manchester, UK
Employment Type
Full-time
closely with Product and Architecture to shape technical strategy and delivery plansGuide teams building and evolving AWS-native and cloud-based platforms, alongside legacy systemsSet and uphold strong engineering standards across code quality, testing, CI/CD, observability and documentationStay close to technical decisions through design reviews, architecture ...