101 to 114 of 114 Legacy Systems Jobs in the South East

Senior Systems Engineer

Hiring Organisation
Legal 500
Location
Oxford, Oxfordshire, 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 ...

Senior Systems Engineer

Hiring Organisation
Legal 500
Location
Portsmouth, Hampshire, 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 ...

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 ...

Senior Systems Engineer

Hiring Organisation
Legal 500
Location
Brighton, East Sussex, 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 ...

Senior Systems Engineer

Hiring Organisation
Legal 500
Location
Crawley, West Sussex, 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 ...

Oracle Developer

Hiring Organisation
4Square Recruitment Ltd
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
performance, scalable database solutions. This is a hands-on role for someone who genuinely enjoys writing proper PL/SQL—not just babysitting legacy code. What You’ll Need 10+ years’ commercial experience working with Oracle PL/SQL Strong, clean, and efficient Oracle SQL & PL/… similar fast-paced environment Nice to Have (but not deal-breakers) Performance tuning and query optimisation Experience supporting or refactoring legacy Oracle systems Exposure to modern development practices and version control ...

Lead Software Engineer (C#/.React.js) -TOP TRADING COMPANY!

Hiring Organisation
Robert Half
Location
Slough, Berkshire, UK
Employment Type
Full-time
rebuilding its entire core platform from the ground up greenfield, modern, high-impact. You'll be working directly with the CTO on mission-critical systems used across trading and structured products. What You'll Work On: Full greenfield rebuild of legacy trading systems Modern full-stack … Looking For: Strong C#/.NET engineering background Solid React.js (or modern JS with willingness to grow fast) Experience in financial services/trading systems Ownership mindset — hands-on, ideas-driven, and proactive Interview Process (Fast Turnaround) CTO Intro Live Technical Test HR (Culture & Team Fit) No visas, sponsorship ...

Lead Software Engineer C# / React.js - Top Trading Firm!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
rebuilding its entire core platform from the ground up greenfield, modern, high-impact. You'll be working directly with the CTO on mission-critical systems used across trading and structured products. What You'll Work On: Full greenfield rebuild of legacy trading systems Modern full-stack … Looking For: Strong C#/.NET engineering background Solid React.js (or modern JS with willingness to grow fast) Experience in financial services/trading systems Ownership mindset - hands-on, ideas-driven, and proactive Interview Process (Fast Turnaround) CTO Intro Live Technical Test HR (Culture & Team Fit) No visas sponsorship ...

Lead Technical Business Analyst

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Markets and has extensive data modelling experience. Objective: Drive and deliver comprehensive analysis to enable complex data migrations, ensuring seamless transition from a legacy system to a modern target platform with minimal business disruption. Key Responsibilities: Lead technical analysis for large-scale data migration initiatives. Experience working … data mapping, transformation, and validation processes. Identify and mitigate risks associated with migration and system cutover. Core Skills & Experience: Proven expertise in PAS systems and complex data migration projects. Strong knowledge of API design and integration . Advanced data modelling skills for structured and semi-structured data. Proficiency ...

UI DESIGNER

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
+ Benefits As a Junior to Mid-level UI Designer (3-5 years' experience) , you'll focus primarily on UI design and design systems rather than front-end engineering. Reporting into the Lead UI/UX Designer, you'll work across multiple platforms including React, Pega, Sitecore, and Guidewire … design sprints Essential Skills & Experience 3+ years experience in a UI or UI/UX design role Strong background in UI design and design systems Advanced Figma Experience with design tokens , enterprise UI, and system thinking Proven ability to work with React-based component libraries (design-side) Strong portfolio ...

Automation Software Engineer

Hiring Organisation
Owen Daniels
Location
Eastleigh, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Location: Southampton, near Southampton Airport/Eastleigh Were looking for an Automation Software Engineer to provide remote technical support for legacy control systems used by global engineering/manufacturing customers. Youll diagnose EC&I and software faults, advise on upgrades, and support a small automation team delivering … programming: Siemens TIA Portal & Step 7, Allen Bradley ControlLogix HMI experience (TIA/WinCC Flexible) Skilled in troubleshooting PLC, HMI, SCADA, and PC-based systems Customer-facing communication skills HNC/D + 5+ years experience Automation Software Engineer Salary and Benefits: £52,000 £59,500 25 days holiday ...

Senior VDI Virtual Desktop Infrastructure Engineer

Hiring Organisation
Reed
Location
Twickenham, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £64,000 per annum, Inc benefits
servers (on VMware), and 1800 laptops. They also deliver remote access to network services via Citrix virtual desktops from legacy and new systems for up to 450 licensed users. They currently operate its technology services across 3 main AD domains. There is a project in-flight … migrate required applications, data, systems and hardware assets to the AD domain. What you'll need to succeed An experienced enterprise Citrix SME and engineer, comfortable being the highest point of escalation for Citrix issues in a high uptime and change controlled environment. This is an operational role which ...

C++ Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £225,000 per annum
Projects span systematic trading, data processing, and performance-critical applications. You will work closely with researchers, strategists, and engineers to design, implement, and maintain systems powering the firm's trading and investment strategies. Locations: London, New York, Chicago Requirements: - Excellent C++ programming ability with proven experience working on highly … distributed systems - Extensive low latency/high throughput experience - Clear expertise in at least ONE of: SOR, Connectivity, Execution, Systematic Trading, Market Data - Prior experience in algo trading, eTrading or market making McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

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 ...