17 of 17 Legacy Systems Jobs in West Yorkshire

Senior Software Engineer - Python, ML & AI Systems

Hiring Organisation
Cornspring
Location
Bradford, UK
Employment Type
Full-time
finance. Our clients operate at the highest levels of global markets, managing billions in assets, yet they remain constrained by legacy systems that are slow, fragmented, and outdated. Cornspring is redefining Family Office services by applying state-of-the-art generative AI and Large Language Models … looking for an exceptional Senior Software Engineer with a strong ML and LLM focus, and the ability to build production-grade AI systems end-to-end. This is a pivotal role in which you will shape core system architecture, design and deploy AI-driven features, and work hands ...

Senior Software Engineer - Python, ML & AI Systems

Hiring Organisation
Cornspring
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
finance. Our clients operate at the highest levels of global markets, managing billions in assets, yet they remain constrained by legacy systems that are slow, fragmented, and outdated. Cornspring is redefining Family Office services by applying state-of-the-art generative AI and Large Language Models … looking for an exceptional Senior Software Engineer with a strong ML and LLM focus, and the ability to build production-grade AI systems end-to-end. This is a pivotal role in which you will shape core system architecture, design and deploy AI-driven features, and work hands ...

Staff Software Engineer

Hiring Organisation
Definely
Location
Bradford, UK
Employment Type
Full-time
most complex challenges in our stack. This includes modernising and scaling our .NET backend services, improving system reliability and observability, and designing modular systems that power AI-driven document workflows deeply integrated into Microsoft Word and the broader Microsoft ecosystem. This role is ideal for someone who thrives … designing systems at scale, leading cross functional technical initiatives, and mentoring teams through change. You will have significant influence over technical direction, infrastructure choices, and how we evolve from legacy patterns to a modern, cloud-native architecture. What you'll do: Technical Leadership & Strategy Define and drive ...

Staff Software Engineer

Hiring Organisation
Definely
Location
Leeds, UK
Employment Type
Full-time
most complex challenges in our stack. This includes modernising and scaling our .NET backend services, improving system reliability and observability, and designing modular systems that power AI-driven document workflows deeply integrated into Microsoft Word and the broader Microsoft ecosystem. This role is ideal for someone who thrives … designing systems at scale, leading cross functional technical initiatives, and mentoring teams through change. You will have significant influence over technical direction, infrastructure choices, and how we evolve from legacy patterns to a modern, cloud-native architecture. What you'll do: Technical Leadership & Strategy Define and drive ...

Teamcenter Migration Consultant

Hiring Organisation
Certain Advantage
Location
Huddersfield, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Huddersfield. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. Youll … defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Leeds, UK
Employment Type
Full-time
Seeking a skilled Sage Intacct Consultant to assist with the implementation, configuration, and data migration of the Sage platform as part of an ongoing systems transformation project. This role will bridge the gap between IT operations and business users, ensuring a smooth transition to the new environment. Role … business, working closely with internal stakeholders and external vendors. Assist in data migration activities — cleansing, mapping, validation, and import from legacy systems into Sage. Provide technical and user support, troubleshooting issues during implementation and post-go-live. Work with IT and Finance teams to ensure system integrations ...

Teamcenter Migration Engineer

Hiring Organisation
Certain Advantage
Location
Huddersfield, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£75,000
Huddersfield. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. Youll … defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . ...

Teamcenter Migration Engineer

Hiring Organisation
Certain Advantage
Location
Lockwood, West Yorkshire, UK
Employment Type
Full-time
before applying. Youll take the technical lead on end-to-end PLM and CAD data migrations into Siemens Teamcenter working across legacy systems, data mapping, script configuration, validation, and post-go-live support. This is a hands-on, technically challenging role within a high-performing engineering environment. … defence client. What Youll Do: Lead full lifecycle Teamcenter migration projects from planning through execution and validation. Analyse and interpret legacy PLM, ERP, and CAD data to define scope and migration strategy. Collaborate with business and functional teams to capture and document data mappings and transformation rules . ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Bradford, UK
Employment Type
Full-time
data centres and cloud environments. Key focus areas include: Leading the migration from Nomad to Kubernetes across a hybrid infrastructure environment Designing highly available systems that support real-time trading operations Expanding the firm's cloud footprint (AWS/Azure/GCP) while maintaining on-prem capabilities Owning projects … from design through production What you'll need: Production experience with Kubernetes (EKS/AKS/GKE or bare-metal) Strong Linux systems background; Windows experience is beneficial Track record delivering cloud migrations and managing hybrid environments Experience supporting mission-critical, highly available systems What makes this different ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Leeds, UK
Employment Type
Full-time
data centres and cloud environments. Key focus areas include: Leading the migration from Nomad to Kubernetes across a hybrid infrastructure environment Designing highly available systems that support real-time trading operations Expanding the firm's cloud footprint (AWS/Azure/GCP) while maintaining on-prem capabilities Owning projects … from design through production What you'll need: Production experience with Kubernetes (EKS/AKS/GKE or bare-metal) Strong Linux systems background; Windows experience is beneficial Track record delivering cloud migrations and managing hybrid environments Experience supporting mission-critical, highly available systems What makes this different ...

Full Stack Engineer

Hiring Organisation
Langham Recruitment
Location
Bradford, UK
Employment Type
Full-time
Software Developer, you'll be part of a dynamic team building and enhancing innovative applications. You'll contribute to modernising legacy systems, scaling core products, and improving overall software quality. Your role will involve: Developing and maintaining backend services using C#, .NET Framework 4.7+, and .NET 6+ ...

Workday Financials Organizational Change and Training Consultant

Hiring Organisation
Cognizant
Location
Bradford, UK
Employment Type
Full-time
equipped and confident to adopt new processes Guide clients through the people side of transformation, ensuring a smooth transition from legacy systems to the Workday Financials solution Create engaging training materials, job aids, and communications that resonate with diverse audiences Facilitate workshops and sessions with client stakeholders … equivalent; Bachelor's/Master's degree or professional certification related to Financials Management, Organizational Development, Psychology, Communication Studies, Business Administration, or Management Information Systems a plus Experience with Workday Financials implementations or a Finance based ERP/SaaS transformation projects highly desired 2-5 years Financial software experience ...

Principal Backend Engineer - Matchmaking

Hiring Organisation
ESL FACEIT Group - EFG
Location
Leeds, UK
Employment Type
Full-time
elite individual contributor who can look at this scale not just as a traffic challenge, but as an abstraction challenge. You will design the systems that define how our players compete, ensuring our architecture is decoupled, extensible, and capable of handling the next 100 million users. What You Will … designing, developing, and deploying robust APIs and microservices in production. Golang experience is highly preferred; Architectural Vision: Proven experience re-architecting legacy systems into distributed, modern microservices. You understand Domain-Driven Design (DDD) and know how to draw the boundaries between services correctly; Scaling Instincts: You understand ...

Senior Finance ERP Onboarding Consultant

Hiring Organisation
Zanda
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
days a week in Central London. What experiences you will gain Lead complex implementation projects for multinational clients migrating from Legacy ERP systems to an AI Finance Platform Apply financial systems expertise to navigate complex client environments and ensure smooth onboarding and transitions Build trusted relationships … What background should you have before you press apply! Qualified Accountant (ACA, ACCA, CIMA) Experience supporting clients and managing multiple projects Experience implementing finance systems and passionate about modernising finance systems Deep understanding of core accounting principles and how they translate into system requirements Confident and credible ...

Lead Security Engineer

Hiring Organisation
OutSystems
Location
Leeds, UK
Employment Type
Full-time
strategy. Define and implement security standards, policies, and best practices for cloud infrastructure, SaaS applications, and internal tooling. Engineer, implement, and continuously tune security systems (SIEM, EDR, etc.) for continuous threat detection and automated response. Lead technical remediation efforts, working with engineering teams to implement fixes for vulnerabilities … automation skills (e.g. Python, PowerShell, Terraform scripts, Yara) to implement security automations, detection rules, and guardrails. Solid experience with designing, implementing, and tuning systems for incident response, detection engineering, and vulnerability management. Strong understanding of secure software development lifecycle (SDLC), and ability to work closely with dev/ ...

Data Manager

Hiring Organisation
Fruition Group
Location
Wakefield, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
governance policies, documentation, and clear steps to achieve a modern, unified data environment. Lead the data migration process from legacy and acquired systems, ensuring accuracy, integrity, and minimal disruption. Manage and improve data quality across multiple systems, ensuring consistency, reliability, and context. Identify opportunities to automate ...

Senior Application Support Analyst

Hiring Organisation
Randstad Digital
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs and cross-connects Support migration of legacy trading systems Required Experience 3–5 years in FIX Connectivity, Integration, or Trading Production Support Strong FIX Protocol knowledge (session & application layers) Linux/Unix experience with ...