26 to 50 of 86 Legacy Systems Jobs in the South East

client satisfaction. Required Certifications: Oracle Financials Cloud: General Ledger 2023 Certified Implementation Professional (or latest version) Oracle E-Business Suite R12 Financials Certified Expert (preferred for legacy systems) ITIL Foundation Certification (preferred) Security Clearance: Must hold valid UK government security clearance or be eligible to obtain it. Bonus Skills: Experience with other Oracle SaaS modules. Background in More ❯

Lead Software Developer – SC Cleared - DjangoWe’re looking for an SC Cleared Software Developer to play a key role in modernising a legacy government web application.While the current system runs on Django/Python/PostgreSQL, the team is gradually transitioning to a more modern, streamlined stack, making this an exciting opportunity to balance today’s stability with … focus on modernisation) Experience Required Proficiency in Python/Django development. Knowledge of relational databases (PostgreSQL). Familiarity with asynchronous tools (Celery). Interest in modernising legacy systems and introducing new web technologies. Strong communication skills for collaborating in a multi-disciplinary team. Please apply for further details. More ❯

against agreed outcomes, budget, and timelines. Oversee project managers and PMO resources, providing leadership, mentoring, and line management where required. Drive technical strategy and optimisation, including licence rationalisation, legacy estate transformation, and fit-for-purpose design solutions. Lead the introduction and adoption of AI technologies and Copilot, including governance, policy, and business integration. Ensure cyber security, compliance, and … Intune, Entra ID, Azure, EUC, VMware, and SaaS solutions. Proven experience introducing and landing AI solutions within a business context. Strong architectural perspective, capable of challenging legacy systems and driving optimisation. Excellent stakeholder management and communication skills, with credibility and gravitas at senior levels. Track record of programme delivery in regulated or risk-averse environments, ideally with More ❯

services, we are investing heavily in data as a key enabler of our future success. We are currently undertaking a five-year programme to transition from legacy systems to modern, cloud-based technologies. Our Microsoft-based technology stack (including Azure and Purview) underpins this transformation, and we are building a forward-thinking data governance capability that delivers … with FCA regulations and industry best practice. Partner with business and technology stakeholders to embed governance processes that deliver value and efficiency. Support the migration of data from legacy platforms to our new cloud-based Microsoft stack, ensuring data quality, lineage, and accessibility. Own and drive policies on data ownership, classification, retention, and access management. Leverage Microsoft Purview More ❯

product owners, and external partners to shape scalable data solutions Manage and mentor a high-performing team of Data Engineers Support integration initiatives across cloud and legacy systems Represent data architecture in governance forums and strategic planning What You’ll Bring Proven experience designing and architecting complex, high-volume data systems Strong hands-on knowledge of … collaborative culture This is a rare opportunity to shape the data architecture of a mission-driven organisation with global reach. If you're passionate about data, leadership, and building systems that scale—this is your next move. More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

Strong technical expertise in: Google Cloud Platform (GCP) New Relic (APM, Infrastructure, Alerts, Dashboards) Cloudflare (Performance & Security or similar providers) Track record of driving change, challenging legacy systems and improving processes Excellent stakeholder management and communication skills A transformational mindset focused on delivery and long-term impact If you're a hands-on Contract Lead DevOps Consultant More ❯

processes. Collaborate on client solutions including Office 365, Azure, Hyper-V/VMware, firewalls, and more. Scope and assist in project rollouts—from onboarding new clients to upgrading legacy systems. What We’re Looking For: Proven experience in a 2nd/3rd Line Support role within an MSP or similar environment. Proven experience leading and mentoring other engineers. More ❯

Backend Engineer - Scale Systems with Real Impact Tired of tinkering at the edges? Want to actually shape the backbone of a platform that's transforming how the world's biggest enterprises run their tech? This is one of those rare roles where you get in early, build the foundations, and watch your work scale across global businesses. We're … AI-driven platform is already saving household-name customers millions in IT costs, shaving months off ERP project timelines, and making sense of the mess that legacy systems leave behind. SAP is just the beginning - they're building a whole new category of Enterprise System Intelligence. The Role As one of the first Backend Engineers focused on … platform and infrastructure, you'll: Build core systems capable of handling tens of millions of lines of code and large-scale LLM workloads. Own big pieces of the architecture - from job orchestration to APIs, infra, and developer tooling. Make product teams fly by building reliable, well-designed infrastructure that scales without slowing anyone down. Tame complex LLM infrastructure (real More ❯

or Brighton Join a leading international eCommerce organization committed to driving innovation through AI. We are looking for a Senior Frontend Developer to lead the modernization of our core systems, utilizing React and JavaScript to enhance performance and efficiency. Your expertise will be key in transforming our technology stack and implementing AI-powered solutions. About the Role: Play a … pivotal role in transforming our technology stack and driving the adoption of AI-powered tools to enhance development workflows. Modernize critical systems and implement intelligent solutions that support business growth and efficiency. Key Responsibilities: Lead the migration of legacy systems to a modern tech stack using React, JavaScript, and cloud platforms. Design and implement AI-driven More ❯

We are seeking an experienced FoxPro Developer to join our Client and play a key role in supporting and transitioning their legacy systems to a modern platform. This is a unique opportunity for someone with deep knowledge of FoxPro who enjoys solving business challenges, supporting existing applications, and helping shape the next generation of systems. Responsibilities: Maintain … existing FoxPro application, ensuring smooth day-to-day operations. Work closely with business users to understand workflows and processes. Assist in re-writing and porting functionality from the legacy application into the new platform. Implement new features and enhancements as requested during the migration process. Provide ongoing support and troubleshooting until the legacy system is fully More ❯

Demonstrable London Market software selection/delivery/integration experience Knowledge of the Insurance Policy/Claims Admin System landscape Experience of previous projects moving from legacy systems to updated versions (software/hardware/integration) and able to articulate the role(s) played Sound like you? Please get your details over to ARC IT ASAP More ❯

join their London-based office as part of a large finance ERP implementation programme. This role is central to the integration workstream, supporting the transition from legacy systems to a legal-specific ERP.Job Details:Start date: ASAPDuration: until March 2027 initiallyRate: £600-£670pd Inside IR35 via UmbrellaLocation: LondonHybrid: 3 days in the officeKey Requirements: Proven experience as More ❯

multiple development efforts to ensure alignment with requirements, expectations, and compliance regulations. Collaborate with programmers, database administrators, and technical specialists. Work closely with analysts to understand legacy systems, business processes, and data. Build expertise in ERP implementation/Support best practices. Lead and execute functional testing, including test scenario development, documentation, and validation testing for interfaces and More ❯

multiple development efforts to ensure alignment with requirements, expectations, and compliance regulations. Collaborate with programmers, database administrators, and technical specialists. Work closely with analysts to understand legacy systems, business processes, and data. Build expertise in ERP implementation/Support best practices. Lead and execute functional testing, including test scenario development, documentation, and validation testing for interfaces and More ❯

multiple development efforts to ensure alignment with requirements, expectations, and compliance regulations. Collaborate with programmers, database administrators, and technical specialists. Work closely with analysts to understand legacy systems, business processes, and data. Build expertise in ERP implementation/Support best practices. Lead and execute functional testing, including test scenario development, documentation, and validation testing for interfaces and More ❯

environment Provide technical direction and architectural oversight for complex projects Stay hands-on with coding, problem-solving, and technical delivery Shape the technology roadmap, working across legacy systems and cutting-edge AI projects Drive technical standards and ensure delivery against ambitious targets Work closely with leadership to translate business needs into technical solutions Technical Stack & Experience: Strong … PHP experience (Laravel framework) Database expertise: MySQL, Elasticsearch Front-end knowledge: Vue.js or similar modern frameworks Understanding of DevOps practices (GitHub, Terraform advantageous) AI systems experience is a plus Previous experience in scaling tech companies or start-ups highly valuable What's On Offer: Competitive base salary equity Remote-first culture 1 day a week in the London office … Opportunity to join at a pivotal scaling moment with rapid career progression potential Work on diverse projects from legacy optimisation to cutting-edge AI deployment This is your chance to step into a leadership role where you can directly influence both technology direction and team culture at one of the UK's most exciting PropTech growth stories. The More ❯

transformation. After 15+ years of success, they're rebuilding core platforms from the ground up - modernising everything and scaling globally. Projects You'll Work On: Rebuilding legacy systems using Laravel & Vue.js Driving adoption of the full TALL stack (Tailwind, Alpine.js, Laravel, Livewire) Building new customer-facing tools, portals, and automation features Improving performance and scalability across high … traffic systems Supporting a long-term product roadmap across multiple business units The Stack: PHP (Laravel) Tailwind, Alpine.js, Livewire Vue 2 & 3 Agile/CI/TDD mindset The Setup: Hybrid - 3 days in-office for collaboration and 2 days from home (more flex offered) 3-stage interview process and super quick turnaround Competitive salary + bonus 25 days More ❯

Tech Lead – SC Cleared - PythonWe’re looking for an SC Cleared Software Developer to play a key role in modernising a legacy government web application.While the current system runs on Django/Python/PostgreSQL, the team is gradually transitioning to a more modern, streamlined stack, making this an exciting opportunity to balance today’s stability with tomorrow … including JavaScript-based Experience Required: Proficiency in Python/Django development. Knowledge of relational databases (PostgreSQL). Familiarity with asynchronous tools (Celery). Interest in modernising legacy systems and introducing new web technologies. Strong communication skills for collaborating in a multi-disciplinary team. Please apply for further details. More ❯

implementation team Manage project plans, milestones, risks, and budgets across HR, Payroll, IT, and Finance Oversee system configuration, UAT, and deployment activities Coordinate data migration from legacy systems and integration into enterprise data structures Develop training and change plans to support adoption across HR and the wider business Drive continuous improvement and post-go-live optimisation What More ❯

implementation team Manage project plans, milestones, risks, and budgets across HR, Payroll, IT, and Finance Oversee system configuration, UAT, and deployment activities Coordinate data migration from legacy systems and integration into enterprise data structures Develop training and change plans to support adoption across HR and the wider business Drive continuous improvement and post-go-live optimisation What More ❯

implementation team Manage project plans, milestones, risks, and budgets across HR, Payroll, IT, and Finance Oversee system configuration, UAT, and deployment activities Coordinate data migration from legacy systems and integration into enterprise data structures Develop training and change plans to support adoption across HR and the wider business Drive continuous improvement and post-go-live optimisation What More ❯

. Responsibilities: Design and support all integration processes including migrations to and from new businesses as well as within internal applications and databases. Migrations away from legacy systems into new applications Review, support, feedback and size requirements produced by the Analysis team. Manage your delivery commitments within the relevant sprints to ensure timely and quality delivery of More ❯

services firm undergoing a major technology evolution. They're seeking an experienced Enterprise Architect to lead the design and delivery of innovative, scalable solutions that modernise legacy systems, reduce technical debt, and empower their employees to deliver world-class services. You'll work closely with internal stakeholders, external clients, technical teams, and third-party suppliers to deliver More ❯

environment Provide technical direction and architectural oversight for complex projects Stay hands-on with coding, problem-solving, and technical delivery Shape the technology roadmap, working across legacy systems and cutting-edge AI projects Drive technical standards and ensure delivery against ambitious targets Work closely with leadership to translate business needs into technical solutions Technical Stack & Experience • Strong … PHP experience (Laravel framework) • Database expertise: MySQL, Elasticsearch • Front-end knowledge: Vue.js or similar modern frameworks • Understanding of DevOps practices (GitHub, Terraform advantageous) • AI systems experience is a plus • Previous experience in scaling tech companies or start-ups highly valuable What's On Offer • Base salary £70,000 - £85,000 + equity • Remote-first culture + 1 day a … week in the London office • Opportunity to join at a pivotal scaling moment with rapid career progression potential • Work on diverse projects from legacy optimisation to cutting-edge AI deployment • This is your chance to step into a leadership role where you can directly influence both technology direction and team culture. As the successful candidate, you will thrive More ❯