9 of 9 Permanent Legacy Systems Jobs in Surrey

Senior Software Engineer - Python, ML & AI Systems

Hiring Organisation
Cornspring
Location
Woking, Surrey, 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markets, managing billions in assets, yet they remain constrained by legacy systems that are slow, fragmented, and outdated.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
Guildford, Surrey, 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 ...

Senior Product Manager

Hiring Organisation
Incite Insight
Location
Richmond, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
domain with product leadership of our wider platform transformation. In your vertical, you’ll work closely with a squad to rebuild and evolve critical systems (for example, order generation), ensuring they’re robust, scalable, and deliver clear business and customer outcomes. At the same time, you’ll play … progress with visible customer and commercial value. This role would suit a PM who thrives on complexity, enjoys connecting the dots across teams and systems, and has the communication skills to simplify technical change for diverse stakeholders. It’s not about being the most technical person in the room ...

Sage Intacct Consultant

Hiring Organisation
Robert Half
Location
Woking, Surrey, 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 ...

Senior Platform Engineer - Hedge Fund

Hiring Organisation
Orbis Group
Location
Guildford, Surrey, 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 ...

Data Engineer

Hiring Organisation
Inspire People
Location
South Croydon, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£41,100 - £44,400 per annum
Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Data Engineer, you will support the development of HMLR's data engineering capability by helping to build and maintain reliable data pipelines … funding secured and a dedicated Data Engineering capability being formed for the first time, there is a crucial need to build strong, reliable data systems that can support future services and national programmes. As a Data Engineer, you'll work closely with senior data engineering colleagues and multidisciplinary teams ...

Senior Application Support Analyst

Hiring Organisation
Randstad Digital
Location
Woking, Surrey, 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 ...

Senior Systems Engineer

Hiring Organisation
Legal 500
Location
Guildford, Surrey, UK
Employment Type
Full-time
this depth of global research and data on law firms, lawyers and their clients. About the Role We're looking for a Senior Systems Engineer to take ownership of our modern cloud environment and lead key infrastructure projects. This is a hands-on technical role where you'll design … deliver practical solutions across Microsoft 365,Azure/Entra ID, and core infrastructure, while helping us retire legacy systems. You'll act as a role model for junior engineers and play a pivotal part in shaping our technology roadmap. What You'll Do Lead administration and optimisation ...

Mid-Level Java Developer

Hiring Organisation
G.R.E. Recruitment Limited
Location
Epsom, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
role you'll be helping to migrate a legacy system into newer microservices based architecture so similar experience of breaking down monolith systems would be ideal. This role is purely a backend development role. The core tech stack is: Java 8+, Spring MVC, SpringBoot, REST ...