1 to 25 of 28 Remote Legacy Systems Jobs in London

partner for a government agency's transformation programme. They are looking for a Lead Technical Architect to join the a high-profile initiative aimed at modernising legacy systems and improving data validation across the client's business gateway. This is a fully remote role, working within a blended agile team of consultancy and end client staff. You … To be considered, you'll need: Strong background in technical architecture within large-scale digital programmes Deep understanding of API Gateway design and enhancement Experience modernising legacy systems and migrating to cloud-native platforms Solid grasp of AWS (API Gateway, Lambda, S3, VPC) Familiarity with Java, DB2, relational databases, and network concepts Desirable experience includes: OpenAPI schemas More ❯

someone who has good programming skills Microsoft programming languages. The team uses cutting edge technology, but you will ideally be versed with a wide variety of legacy systems and migrating away from these to new cutting-edge technology solutions. These positions report to the Integration Lead and Architect and you will be working alongside a team of … . 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 ❯

alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design … languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging technology Excellent … with any of the major cloud providers Experience with database programming and data models Experience in data engineering or AI/ML projects Experience in transforming legacy systems and platforms into modern, scalable, and efficient technology stacks Understanding of popular sales methodologies/frameworks such as MEDDPICC/Command of the Message A MongoDB Certification What you More ❯

/C# and WPF to guide the evolution of our LegalTech products. This is a hands-on leadership and technical role where you'll set technical direction, architect scalable systems, and ensure the delivery of high-quality, performant applications-ranging from modern WPF-based desktop software to robust cloud services. You'll play a critical part in mentoring engineers … embed testing into architecture and development, improving testability and enabling earlier defect detection. Use profiling and diagnostics tools to address performance, memory, and runtime optimizations. Refactor legacy systems to modern standards, boosting maintainability, coverage, and stability. Leverage tools like Autofac and clean architecture patterns to maintain loosely coupled and testable codebases. Team Mentorship & Collaboration Act as a More ❯

Are you passionate about building robust, high-performance data platforms? We're seeking a Data Engineer to join a growing technology team, driving the modernization of legacy systems and the development of scalable, cloud-native solutions. This is a high-visibility role with the opportunity to make a direct impact across the business. Why this role? Work More ❯

and maintaining scalable data pipelines, resolving data quality issues, and collaborating closely with analysts, engineers, and stakeholders. If you thrive in a fast-paced environment and enjoy optimising data systems, this could be a great match. Key Responsibilities: Design, develop, and maintain scalable data pipelines for both operational and analytical needs Ensure high data integrity through best practices in … validation and quality assurance Investigate and resolve data issues, identifying root causes and implementing sustainable solutions Lead and support data migration projects, modernising legacy systems using cloud technologies Collaborate with cross-functional teams including analysts, data scientists, and engineers to deliver impactful data solutions Continuously improve internal tools, workflows, and processes to increase data efficiency and reliability … Hands-on experience with Kafka for stream processing and AWS (particularly Redshift and S3) Skilled in implementing testing and validation strategies to ensure data quality Familiar with version control systems such as Git and working in Agile, collaborative environments Self-driven with strong multitasking skills and a collaborative mindset 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 ❯

IT systems. This role will offer you a wide variety of technical and business challenges as new products, regulations, and market practices emerge. You’ll work across both legacy and modern platforms, with a strong focus on training and development to get you up to speed quickly. From day one, you’ll contribute to real-world projects and … ownership of tasks in a small team setting Why Join Us? Join a stable, permanent position with strong growth potential Gain experience in both modern and legacy systems Be part of a high-impact, agile team where your contributions matter Receive hands-on technical and business training Work in the fast-paced and ever-evolving world of … financial trading systems Ready to Start Your Career with Us? This is a permanent, full-time position ideal for a graduate looking to launch their career in a collaborative and technically rich environment. Send your CV and a brief cover letter and tell us why you're the right fit for the team. Due to the volume of applications 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 ❯

Collaborate with senior technical stakeholders to define AI strategy and roadmaps for digital transformation initiatives Ensure AI solutions integrate effectively with existing government technology infrastructure and legacy systems Design scalable, cloud-first AI architectures following government security and data protection standards Lead the selection and technical design of appropriate AI technologies, platforms, and tools Develop documentation and More ❯

Collaborate with senior technical stakeholders to define AI strategy and roadmaps for digital transformation initiatives Ensure AI solutions integrate effectively with existing government technology infrastructure and legacy systems Design scalable, cloud-first AI architectures following government security and data protection standards Lead the selection and technical design of appropriate AI technologies, platforms, and tools Develop documentation and More ❯

on their claim, often in times of vulnerability. The barriers to rapid claims settlement were clear; understanding of unstructured data, complexity and volume of decision making, legacy systems and processes. Sprout.ai's patented claims automation platform solves these challenges, and has already delivered instant claims settlement on millions of insurance claims around the world. Our proprietary AI 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 ❯

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 ❯

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 ❯

Consultant (Intune, Azure, MacOS, Microsoft 365, Sophos)is needed for a fully remote, Outside IR35contract. You'll take full ownership of a greenfield desktop transformation. No legacy systems, no red tape just straight to delivery. You must have strong, hands-on experience with: Azure identity and endpoint integration Intune policy creation, configuration, and cross-platform device management … and PC with Intune. Why this contract? Remote only work from anywhere Outside IR35 keep your Ltd. company status Full control own the solution end-to-end No legacy start clean and build right High impact quick results, full visibility This is a hands-on role for a Desktop Management Consultant (Intune, Azure, MacOS, Microsoft 365, Sophos)who More ❯

revolutionize healthcare with cutting-edge, AI-powered software designed to help every hospital deliver world-class care for their patients. Our platform is already the core backbone of health systems today, transforming clinical and operational workflows at scale with the world's first AI-native hospital information system. This next-generation platform is a fundamental rebuild of the information … love to talk. Here are some deep technical problems you may tackle in your first 6 months: Modern cloud architecture, built from scratch : We have no legacy systems to untangle. We're designing a modern cloud-native platform with Elixir at its core. Develop a radically better access control system for clinical data : Create a modern access More ❯

is an exciting opportunity to join a forward-thinking global organisation at a pivotal time of transformation, as they modernise their communication platforms and migrate from legacy systems to cloud-based solutions. The Role As a Unified Communications Engineer, you’ll be the technical lead for enterprise-wide communications platforms, including Microsoft Teams (chat, conferencing, calling), Microsoft More ❯

Integration Developer - Salesforce Education Cloud-Student Systems Implementation Integration Developer with experience of working on large enterprise-scale programmes, ideally in Higher Education, is needed to support a Salesforce Education Cloud, for our higher education client. The role will focus on building and support integrations between new and existing systems using Microsoft Azure PaaS components to develop modular … reusable, and secure integration components aligned with canonical data models and modern API-first principles. Integration Developer- Salesforce Education Cloud-Student Systems Implementation Essential Experience Proven experience as an Integration Developer on enterprise-scale programmes, preferably in Higher Education. experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid Experience building and managing REST … APIs and implementing API-first integration designs Experience integrating cloud systems (Salesforce, Canvas LMS, or other SaaS platforms. Experience with SITS or other legacy student systems, particularly around data integration and synchronisation. Good understanding of CI/CD pipelines, automated testing, and Infrastructure-as-Code (ARM, Bicep, Terraform) Proficient in C#, PowerShell, JavaScript, or equivalent languages More ❯

BI . This role works closely with risk managers and business stakeholders to build scalable analytics for market risk (including VaR, sensitivities, and stress testing), and to migrate legacy Credit Risk platforms to a modern Snowflake/Power BI architecture. The successful candidate will drive enhancements to the Market Risk platform, manage requirements directly with stakeholders, deliver impactful … reports for market risk analytics. Design and optimise data pipelines using Snowflake, dbt, and ADF for robust data integration and quality. Contribute to migrating legacy credit risk systems (SQL Server, SSIS, SSAS, SSRS) to the new architecture. Collaborate with risk managers and business users to translate requirements into technical solutions. Troubleshoot data issues, optimise performance, and ensure … optimisation, and Power BI development (DAX, dashboards). Hands-on with dbt, SQL, Python, and ELT/ETL pipeline development. Experience with Azure Data Factory (ADF), and migrating legacy data platforms to cloud solutions. Financial services exposure, ideally with market or credit risk analytics. Ability to produce technical documentation and communicate with both technical and non-technical teams. More ❯

with business stakeholders, supply chain teams, and IT.Facilitate workshops, CRP, SIT, and UAT sessions across European business units. Integration & Data Migration Oversee integrations with Oracle Cloud modules and external systems (OIC, REST APIs, SOAP).Manage FBDI/ADFDI data migration from legacy systems. Reporting & Analytics Design and deliver OTBI and BI Publisher reports for order tracking, fulfillment More ❯

are recruiting on behalf of a consultancy client for an experienced Data Engineer to support a strategic data migration project . The role involves migrating legacy data systems to a modern Azure-based architecture, with a focus on performance, scalability, and reliability. Responsibilities Design and implement robust data migration pipelines using Azure Data Factory, Synapse Analytics, and … Databricks Develop scalable ETL processes using PySpark and Python Collaborate with stakeholders to understand legacy data structures and ensure accurate mapping and transformation Ensure data quality, governance, and performance throughout the migration lifecycle Document technical processes and support knowledge transfer to internal teams Required Skills Strong hands-on experience with Azure Data Factory, Synapse, Databricks, PySpark, Python, and More ❯

are recruiting on behalf of a consultancy client for an experienced Data Engineer to support a strategic data migration project . The role involves migrating legacy data systems to a modern Azure-based architecture, with a focus on performance, scalability, and reliability. Responsibilities Design and implement robust data migration pipelines using Azure Data Factory, Synapse Analytics, and … Databricks Develop scalable ETL processes using PySpark and Python Collaborate with stakeholders to understand legacy data structures and ensure accurate mapping and transformation Ensure data quality, governance, and performance throughout the migration lifecycle Document technical processes and support knowledge transfer to internal teams Required Skills Strong hands-on experience with Azure Data Factory, Synapse, Databricks, PySpark, Python, and More ❯

tools to allow highly automated migration or integration between the PTP (Post Trade Processing) platform and legacy internal and external systems. You'll be working on Greenfield systems, using a range of technology, you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and will have the opportunity to More ❯