17 of 17 Contract Legacy Systems Jobs in London

requirements into scalable, maintainable product logic. Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events. Support product migration from legacy systems to Vault. Collaborate with Product, Business Analysis, Architecture and Engineering teams. Develop automated tests covering business rules, edge cases and regression scenarios. Participate … reviews and technical design discussions. Investigate defects and support functional, integration, migration and production testing. Validate and reconcile financial calculations between legacy systems and Vault. Support releases and produce technical documentation. Follow engineering, security, governance and regulatory standards. Essential Skills & Experience Strong software development experience, preferably Python ...

initial discovery phase. Analyse existing datasets and assess data quality. Develop data mapping and migration strategies. Execute data migration from legacy systems to a new cloud platform. Provide recommendations on migration approach, risks, and timelines. Support successful implementation and completion of the migration project. Map the Ocella … systems. Proven ability in data mapping , including matching and transforming data between source and target systems. Experience migrating data from legacy systems to cloud-based platforms . Ability to assess data quality, identify issues, and recommend migration approaches. Desirable Skills Previous experience with iDocs Cloud migrations . ...

DevOps Engineer to join a growing engineering capability and play a central role in shaping how AI is embedded into real, production-grade software systems . This is not a traditional people-management role . Instead, you'll lead through technical depth, architectural judgement, and delivery experience by setting … capabilities are integrated into modern software platforms. If you enjoy working where architecture, APIs, DevOps, and AI meet , and you care about building systems that are secure, operable, and genuinely useful, this role offers the chance to have real impact. What you'll be doing Your focus will ...

practices. Investigate and resolve defects identified during functional, integration, migration and production testing. Support reconciliation and validation of financial calculations between legacy systems and Vault. Analyse existing product behaviour and legacy-system rules when supporting product migration. Contribute to technical design discussions and identify potential … behaviour with both technical and non-technical stakeholders. Highly Desirable Experience implementing Lending and/or Savings products. Experience migrating financial products from legacy core banking platforms onto Thought Machine Vault. Understanding of Lending and Savings concepts, including: Interest accrual and application. Repayment schedules. Fixed and variable interest ...

leading online gaming platforms. This is an opportunity to work on a large-scale, business-critical C++ platform, helping modernise legacy systems while supporting a major cloud migration programme. Role Overview Location: Remote, must be based in UK Package: £600 - £650pd Outside IR35 Duration: 3 months (Sept … modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. Use AI-assisted development tools, including ...

Lead Data Engineer Hands-on technical leadership building data systems that actually work We're looking for a Lead Data Engineer to join an enterprise data engineering capability and play a critical role in designing, building, and improving real-world data systems . This is not a line … engineers and adjacent roles through design decisions, code, and delivery support Improve data sharing, onboarding of new data sources, and interoperability across teams and systems Introduce and evaluate new tools, patterns, and technologies where they genuinely add value - balancing innovation with pragmatism Build robust, production-grade solutions , not proofs ...

digital infrastructure provider with 100+ sites across the continent - is looking for a Data Engineer to join a major transformation programme consolidating multiple operational systems into a single target platform. You'll be at the centre of the migration workstream: building the pipelines, transformation logic, and validation frameworks that … move data from legacy systems into the new target operating platform - working closely with the Data Workstream Lead, business SMEs, and application teams. What you'll be doing: Designing and building ETL/ingestion pipelines using Microsoft Fabric (Data Factory, Pipelines, Lakehouse, Notebooks) or equivalent Azure tooling ...

public sector technology programme on an initial 7-month contract. This is a hands-on development role focused on delivering bespoke integrations between internal systems, cloud platforms and third-party applications. The ideal candidate will have strong experience across Azure and C#/.NET , alongside a proven background … strong integration experience using Python or other comparable programming languages will also be considered. Key Responsibilities Design and develop bespoke integration solutions between multiple systems and platforms. Develop and maintain integrations with third-party applications and services. Build and support cloud-based solutions using Microsoft Azure . Develop integration ...

journeys end to end, across digital, branch, telephony and customer servicing. Build service blueprints that connect the customer-facing experience to the backstage processes, systems and teams that deliver it. Run discovery and workshops with stakeholders across functions to understand how each journey really works. Identify hand-offs, gaps … Retail banking or broader financial services is acceptable. Confidence facilitating workshops and interviewing stakeholders across business functions and operations. Comfort with the backstage: process, systems, ownership and servicing. Mid-weight to senior. Able to lead a journey work stream with light direction. Domain: business banking experience preferred. Banking ...

will be accountable for connecting data from the new Oracle HCM Cloud to the new AWS Snowflake solution and unifying data layer between legacy and new HRIS system feed to data warehouse. The role ensures high-quality, timely, and governed delivery of data initiatives, working across engineering, analytics … technical data HR domain · Domain Knowledge – HR data and data warehousing solutions · Ideally Experience delivering HR Data/People Analytics · Experience working with HR systems data (Workday, SAP SuccessFactors, Oracle HCM or similar) · Strong experience in data delivery/data project management roles · Strong stakeholder management, especially with ...

Systems Data Analyst | Inside Contract | Hybrid Rate: £350 - £420 per day Contract Duration: Initial 6 Months Hybrid: 40% or less onsite a week (London Industry: Professional Services/Highly Regulated Environment Job Summary: Seeking an experienced Systems Data Analyst to support a major technology transformation programme within … uncover undocumented functionality and data relationships. Contribute to data governance initiatives and promote best practice across projects. Qualifications & Requirements: Demonstrable experience within Data Analyst, Systems Analyst or Database-focused roles. Strong SQL skills and confidence analysing data held across diverse platforms. Solid understanding of data structures, modelling techniques ...

Systems Data Analyst – SQL/NoSQL/Data Migration 6-Month Contract We are recruiting an experienced Systems Data Analyst to support a major application modernisation and data transformation programme within a leading international professional services organisation. This is a highly technical analysis role focused on understanding … documenting the databases behind a complex legacy business application. You will work with Developers, Architects and business specialists to establish how the existing system operates and support its migration into modern cloud and document-based database technologies. Key responsibilities Analyse legacy applications, databases and source systems. ...

OverviewIBM is seeking an experienced Application Consultant/Architect - AWS Cloud Migration to support the JSAPS Data Migration Discovery within the DWP's Legacy Tech Debt Programme.This programme is focused on identifying and defining the minimum viable dataset required to safely decommission JSAPS, a legacy benefits … data migration strategy, helping to shape the safest and most pragmatic approach to migrating, archiving, or retiring data across a highly complex legacy estate comprising 54 Oracle database instances. Key Responsibilities Provide expert consultancy and leadership on data migration strategy and planning. Work directly with the organisation ...

extension Budget: £400 - £500pd Inside IR35 Industry: Retail/Supply Chain/Warehouse Management What You'll Be Doing Take ownership of the legacy Food Warehouse Management System product, ensuring it continues to support day-to-day operations effectively. Manage and prioritise the product backlog, aligning work with … requirements. Experience working within Agile product delivery environments. Exposure to warehouse automation technologies, including Autonomous Mobile Robots (AMRs), would be advantageous. Knowledge of legacy WMS modernisation or migration programmes would be beneficial. What's in It for You Long-term contract with an initial 12-month engagement ...

function in London. This is a senior, highly experienced role, leading a workstream within a wider transformation programme focused on decommissioning a legacy booking system and migrating to an existing target platform - covering the booking chain end-to-end, front office through to back office and risk. … Good knowledge of the Front-to-Finance chain for OTC, including risk and PnL Good knowledge of referential and market data systems Good knowledge of target architecture core principles Experience planning, coordinating, executing, and following migrations to target architecture Knowledge of relevant decision-making bodies' operations Knowledge of technical ...

NetDocuments DMS Specialist - Remote working NetDocuments DMS Specialist, with excellent experience in Document Management Systems, NetDocuments, including configuration of cabinets, workspaces, profiles and metadata, and security structures, is required by a UK-wide law firm. This role can be fully remote and you can work from anywhere … administration of cabinets, workspaces, profiles, metadata structures, and security models to support legal and business requirements.* Strong working knowledge of alternative Document Management Systems (DMS), including iManage, with a deep understanding of how legal DMS platforms organise, classify, secure, and govern documents and metadata.* Proven track record in document ...

instrumental in creating new Legal Entities (LEs) and enabling separate end-to-end (E2E) payroll runs for distinct business groups within our legacy system. If you have a deep understanding of ECC Payroll, Time Management, and cross-functional integrations, this is an excellent opportunity to take ownership … Blueprint document and local regulatory/compliance standards. Integration Management: Ensure seamless data flow and integration between Workday (WD), General Ledger (GL), banking systems, and HR/Time platforms. Testing & Quality Assurance: Design E2E test scenarios, define expected results, and guide data mining efforts to ensure flawless payroll execution. ...