1 to 25 of 27 Remote/Hybrid Legacy Systems Jobs in London

Workday Financial Data Migration Lead

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £800 per day
data workstream. Requirement for someone to lead the full data agenda across the programme lifecycle working across legacy systems, Workday, integrations and reporting requirements. Workday Data Lead, key responsibilities: Lead data workstream across full programme lifecycle Define and deliver data strategy - data plan for Workday Financials implementation … Understanding of finance data structures including master data Experience defining and managing data strategies and data plans Previously worked across multiple legacy systems and data sources Overseeing and coordinating technical teams Strong understanding of data quality and data controls Reasonable Adjustments: Respect and equality are core values ...

FX eTrading Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering FX technology in support of our #1 FX business.**Role Overview/What will you do:*** Hands on technical implementation of FX trading systems* The successful candidate will work with teams across FX Trading Technology implement solutions that benefit the business* The role does not involve budget responsibility … Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive manner* Contribute ...

FX eTrading Technology Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering FX technology in support of our #1 FX business. Role Overview/What will you do Hands on technical implementation of FX trading systems The successful candidate will work with teams across FX Trading Technology to implement solutions that benefit the business The role does not involve budget … responsibility Drive the design and development of system architecture, work with end-users of the systems, and enhance the quality of deliverables. Ensure staff follows the company documented policy and procedures as well as maintain desktop procedures and supporting documentation for filings on a current basis and in comprehensive ...

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 ...

FX eTrading Technology Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
benefit the business. The role does not involve budget responsibility. Drive the design and development of system architecture, work with end‐users of the systems, and enhance the quality of deliverables. Ensure staff follows Citi documented policy and procedures as well as maintain desktop procedures and supporting documentation … Skills and Experience Required Proven understanding of FX highly preferred. Understanding of ultra low‐latency development practices. Proven track record of building new systems, replacing legacy systems and renovating existing systems. Systems (software, hardware, networks) knowledge required to define solutions and troubleshoot issues. Exceptional communicator ...

Senior Systems Integration Consultant – Contract

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Systems Integration Consultant (.NET, Azure, Data, MIS) Job Description Contract Length: 3 months Start: Immediate Day Rate: £400‐£500 per day IR35: Outside IR35 Location: Hybrid, predominantly remote Overview We are looking for a senior Systems Integration Consultant to step into a live environment and stabilise … ensure the platform is fully operational. Key Responsibilities Stabilise and optimise Mitratech platform integration Extract and migrate data from legacy .NET systems Build and troubleshoot integrations across: Timesheet systems, HR workflows including Excel exports, Internal operational systems Implement workflow automation and triggers Debug live production ...

Lead Data Engineer

Hiring Organisation
Human Fertilisation & Embryology Authority
Location
London, E20 1JQ, United Kingdom
Salary
£54500.00 to £62500.00
capability that underpins the HFEA Register, PRISM and associated enterprise data services. The HFEA is undergoing significant transformation across its core legacy systems and its transition to modern cloud-native environments. The Lead Data Engineer will provide technical leadership for this evolution across Azure virtual machine workloads ...

Back-End Development Lead

Hiring Organisation
Oyster Consultant
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
sprint goals. Your new development will be done within a Microservices architecture, but you will also be contributing to our legacy systems while we are in the transition period. Our stack runs on Azure including Front Door, App Services, Application Insights, and App Configuration with SQL Server ...

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 ...

Graduate Software/Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
your career at the intersection of technology, mathematics, and finance? Join an elite global trading firm where innovation drives everything—no legacy systems, no bureaucracy, just cutting‐edge tech and world‐class mentorship. You’ll work on greenfield projects from day one, collaborating with exceptional engineers, quants … researchers to build the systems and models shaping the future of global trading. The Role Depending on your track, you will focus on engineering high-performance systems or developing sophisticated mathematical models, all while learning how technology powers global markets. Key Responsibilities Designing and enhancing advanced trading systems ...

Java Developer Kafka API - Tech Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
range of transformational projects for clients, mainly within the financial services sector and with a focus on Kafka messaging, migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice … continuous improvement of client systems; you will have lots of business and client exposure and continual learning and development opportunities. Location/WFH: There's a hybrid work from home policy with three days a week in the London, City office (or at client sites), you'll join ...

Lead Mulesoft Developer

Hiring Organisation
Akkodis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
Level 1 (Level 2 desirable) Experience delivering enterprise-scale integrations Integration experience with Salesforce, SAP, ServiceNow, AWS/Azure, databases, and legacy systems Knowledge of API security (OAuth 2.0, JWT, mTLS/SSL/TLS) Familiarity with CloudHub v2.0, Runtime Fabric, and hybrid architectures Why Apply Fully ...

Lead Mulesoft Developer

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £72,000 per annum
Level 1 (Level 2 desirable) Experience delivering enterprise-scale integrations Integration experience with Salesforce, SAP, ServiceNow, AWS/Azure, databases, and legacy systems Knowledge of API security (OAuth 2.0, JWT, mTLS/SSL/TLS) Familiarity with CloudHub v2.0, Runtime Fabric, and hybrid architectures Why Apply Fully ...

AWS Data Engineer - SC Cleared

Hiring Organisation
Sanderson Government & Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 - 490 Daily
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 ...

Implementation Manager - coach management SaaS platform

Hiring Organisation
Michael Page Sales
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
boarding of new customers in the UK Drive structured implementation processes with clear milestones Support and guide customers in migrating from legacy systems and processes (including Distinctive Systems) Map existing workflows and translate them into the platform Ensure successful go-live with minimal operational disruption Customer … from working within or alongside a coach operator Strong understanding of how a coach operator runs: sales, bookings, planning, and operations Familiarity with Distinctive Systems and how it is used in practice Project management, preferably within the implementation of technology Interest in and ability to work with technology ...

Principal Software Engineer Java SpringBoot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice … continuous improvement of client systems; you will have lots of business and client exposure, leading projects and providing expertise. Location/WFH: There's a hybrid work from home policy with three days a week in the London, City office (or at client sites), you'll join a friendly ...

Remote Senior Full Stack Engineer

Hiring Organisation
Penfold
Location
London, UK
users. Are comfortable mentoring others and helping set technical direction for projects. Bonus points if you’ve worked on fintech products or complex transactional systems . Why Join Penfold At Penfold, we’re on a mission to help everyone save enough to be comfortable in later life . … saving easy, accessible and engaging. Our vision How we help everyone adopt healthy saving habits We’ve done away with the legacy systems and processes that old-school providers are built on, starting from scratch with our purpose-built pension platform which: Brings clarity and confidence about ...

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 ...

Xero Implementation Lead

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
likely already be working as one of the following: Xero Implementation Manager Xero Practice Manager/Practice Lead Cloud Accounting Manager (Xero-focused) Accounting Systems Implementation Manager Xero Specialist/Senior Xero Specialist Digital Accounting Manager (Xero-focused) What you'll be doing Leading end-to-end Xero implementations … client migrations Onboarding SMEs onto Xero from legacy systems Acting as the internal Xero subject matter expert Delivering Xero training for internal teams and clients Troubleshooting complex Xero setup, workflow, and integration issues Building scalable onboarding guides, FAQs, and training resources Improving implementation processes and reducing support ...

Xero Implementation Lead

Hiring Organisation
Robert Half Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
likely already be working as one of the following: Xero Implementation Manager Xero Practice Manager/Practice Lead Cloud Accounting Manager (Xero-focused) Accounting Systems Implementation Manager Xero Specialist/Senior Xero Specialist Digital Accounting Manager (Xero-focused) What you'll be doing Leading end-to-end Xero implementations … client migrations Onboarding SMEs onto Xero from legacy systems Acting as the internal Xero subject matter expert Delivering Xero training for internal teams and clients Troubleshooting complex Xero setup, workflow, and integration issues Building scalable onboarding guides, FAQs, and training resources Improving implementation processes and reducing support ...

Solutions Architect

Hiring Organisation
Solus Accident Repair Centres
Location
North London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
aligned to our technology strategy. You will partner with Product, Platform, Cyber, Operations, Change and business stakeholders to reduce complexity, modernise legacy systems and support confident decision making across the organisation. Location: Hybrid (Stansted - 3 days per week, 2 days remote) Responsibilities Define and maintain our enterprise ...

Senior BI Data Architect (8 Month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£87,000 - £97,000 per annum
expect to be involved in the following: Design and implement a governed Databricks Lakehouse, including catalog and data structures. Migrate complex legacy SQL into clean, modular, and maintainable pipelines. Build scalable transformation frameworks using Spark and Python or SQL-based pipelines. Optimise query performance across large datasets, improving … Delta Lake, Unity Catalog, and SQL Warehousing. Advanced SQL skills with a focus on performance tuning and optimization. Experience migrating legacy data systems into scalable architectures. Proven ability to design and build data pipelines using Spark and Python or SQL. Strong understanding of data modelling, including star ...

NetSuite Technical Lead - Remote working

Hiring Organisation
Communicate Recruitment Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
build, and maintain NetSuite customisations using SuiteScript (1.0 and 2.0/2.1) and SuiteFlow workflows Develop scalable and maintainable enhancements aligned with business requirements Systems Integration Design, implement, and support integrations between NetSuite and third-party applications Work with REST/SOAP APIs and data formats such as JSON … reporting requirements across teams Troubleshooting & Optimisation Diagnose and resolve script errors, integration issues, and system performance bottlenecks Lead performance optimisation initiatives, including refactoring legacy scripts and improving system efficiency Release & Change Management Manage deployment of customisations across Sandbox and Production environments Ensure controlled releases with minimal disruption ...

Head of IT

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
procurement as levers for competitive advantage—someone who will proactively drive initiatives that help the entire company move faster. You'll own the systems and processes that enable our team members in Oslo, London, San Francisco, and across North America and Europe to do their best work. … Operations Build AI‐powered workflows that make onboarding, offboarding, and day‐to‐day IT support nearly invisible Design self‐service systems that scale with the company without requiring proportional headcount growth Own the device lifecycle with automation‐first thinking: provisioning, deployment, recovery, and secure disposal Manage identity and access ...