Permanent Legacy Systems Job Vacancies

101 to 125 of 425 Permanent Legacy Systems Jobs

Solutions Architect

City of London, London, United Kingdom
Hybrid / WFH Options
Entasis Partners
embedded in some of the UK’s most ambitious financial services programmes. They work closely with business and technology leaders to drive strategic change, from platform modernisation and core systems reengineering, to cloud adoption and integration overhaul. Your Role You’ll be part of a highly credible, expert-led team shaping complex solutions across the full technology stack. Whether … modernising legacy systems, enabling cloud-first strategies, or improving end-to-end integration, you’ll bring structure, clarity, and delivery alignment to everything you do. What You’ll Be Doing as a Solution Architect: Lead the design and implementation of end-to-end solutions across application, integration, and infrastructure domains Shape and steer technology change across major … You’ll Bring as a Solution Architect: You’re a credible solution architect who thrives in fast-paced, high-compliance environments. You understand the realities of Financial Services, legacy complexity, data sensitivity, and the need to balance innovation with control. Key Experience: Deep experience in Financial Services (e.g. banking, insurance, wealth, or capital markets) Proven success delivering architecture More ❯
Posted:

Solutions Architect

London Area, United Kingdom
Hybrid / WFH Options
Entasis Partners
embedded in some of the UK’s most ambitious financial services programmes. They work closely with business and technology leaders to drive strategic change, from platform modernisation and core systems reengineering, to cloud adoption and integration overhaul. Your Role You’ll be part of a highly credible, expert-led team shaping complex solutions across the full technology stack. Whether … modernising legacy systems, enabling cloud-first strategies, or improving end-to-end integration, you’ll bring structure, clarity, and delivery alignment to everything you do. What You’ll Be Doing as a Solution Architect: Lead the design and implementation of end-to-end solutions across application, integration, and infrastructure domains Shape and steer technology change across major … You’ll Bring as a Solution Architect: You’re a credible solution architect who thrives in fast-paced, high-compliance environments. You understand the realities of Financial Services, legacy complexity, data sensitivity, and the need to balance innovation with control. Key Experience: Deep experience in Financial Services (e.g. banking, insurance, wealth, or capital markets) Proven success delivering architecture More ❯
Posted:

Senior Manager Software Engineer - Farnborough Experienced Hires Farnborough

Farnborough, Hampshire, United Kingdom
Vantage Point Global
end application ownership - from architecture and design through to delivery and continuous optimisation in the payment services department. You'll play a pivotal role in delivering scalable, real-time systems built using modern technologies and practices, while also acting as a coach, mentor, and strategic partner to stakeholders across business and technology. What kind of work will I be … to lead and grow high-performing teams and shape the technical culture from the ground up. Strategic influence in a highly visible programme that will transform legacy systems into resilient, real-time platforms. A collaborative and supportive environment that values experimentation, learning, and continuous improvement. What are we looking for? You'll demonstrate: Strong hands-on technical … grounding in Java-based systems, APIs, cloud engineering, and DevOps. A proven track record of leading application development teams in complex, regulated environments. Strategic thinking, strong decision-making, and an ability to align technical delivery with business goals. A servant leadership mindset, with a focus on developing others and building high-trust teams. Clear, compelling communication skills - upward, downward More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

D365 Business Central Consultant

Greater London, England, United Kingdom
Hybrid / WFH Options
Digital Gurus
to clients in demo sessions. Overseeing configuration, testing, training, and data migration. Acting as the bridge between technical and non-technical teams. Helping to integrate BC with third-party systems and other Microsoft products. 🧠 What we’re looking for: Strong experience delivering ERP projects, especially D365 Business Central . Confident leading client workshops and scoping exercises. Experience with legacy systems like SAGE, Orderwise, Prima, etc., is a plus. Excellent communicator who can explain complex ideas clearly. Familiar with project tools like Azure DevOps, Jira, MS Project, or similar. A self-starter who enjoys autonomy but also thrives in a team. 🎯 What’s in it for you: Hybrid working A genuinely supportive team environment where your input More ❯
Posted:

Senior Software Architect with Security Clearance

Bethesda, Maryland, United States
Spalding, a Saalex Company
from any of the above, and IT infrastructure. Senior Software Architect research, design, develop, and test computer hardware and software programs. Hardware refers to computer chips, circuit boards, computer systems, and related equipment such as keyboards, modems, and printers. They software systems that control computers. Computer hardware engineers work exclusively with computers and computer-related equipment. In addition … to design and development duties, computer hardware engineers supervise the manufacturing and installation of computers and computer-related equipment. Senior Software Architect develop new computer software systems and to incorporate new technologies in a rapidly growing range of applications. Senior Software Architect apply the principles and techniques of computer science, engineering, and mathematical analysis to the design, development, testing … and evaluation of the software and systems that enable computers to perform their many applications. Software engineers analyze users' needs and design, construct, test, and maintain computer applications software or systems. Senior Software Architect can be involved in the design and development of many types of software, including software for operating systems and network distribution, and compilers, which More ❯
Employment Type: Permanent
Salary: USD 218,000 Annual
Posted:

Cloud Architect - Northern, VA Area; Must have an active TS/SCI with Security Clearance

Hampton, Virginia, United States
Synertex LLC
opportunity is for you. RESPONSIBILITIES Design and implement secure, scalable, and cost-effective cloud architectures Evaluate emerging technologies and recommend solutions aligned with enterprise goals Migrate legacy systems to cloud-based infrastructure while minimizing disruption Integrate cloud platforms with on-premises systems in hybrid environments Ensure compliance with cloud security and regulatory standards Manage infrastructure as … multi-disciplinary government or IC teams Join a mission-driven team advancing secure and modernized cloud infrastructure across federal systems. Apply today and become part of Synertex's legacy of innovation, leadership, and excellence. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Technical Business Analyst

London, United Kingdom
Hybrid / WFH Options
TEKsystems, Inc
Responsibilities Partner with front office stakeholders such as fund managers and portfolio managers to understand investment workflows and translate them into system requirements. Analyse and decommission legacy systems, identifying functional gaps and supporting the transition to strategic platforms. Contribute to the design and integration of new solutions, leveraging modern cloud-based technologies. Collaborate with a hands-on … delivery-focused team to ensure successful implementation. Essential Skills Proficient in Python, with familiarity with legacy code bases in VBA and SQL. Strong understanding of cloud-based data ecosystems, including Snowflake, Databricks, and the Azure software stack. Deep knowledge of front and middle office processes within asset management. Solid understanding of financial instruments, trade lifecycle events, and high More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Architect

Central London, London, United Kingdom
DXC Technology
metrics and are scalable Helping to shape, evolve and document the architecture that underpins the existing platforms and services and lead their on-going transition from legacy systems to cloud based architectures. Interacting with project roles as required, to gain an understanding of the complex business environment, technical context, end client requirements and organisational strategic direction. Advising … its broader eco system Deployment automation technologies The ability to code, especially Infrastructure as code Network design, implementation, and administration A track record in the design and application of systems, leveraging automation technologies A deep understanding of Virtualisation and Container technologies Design of large, complex systems including practical experimentation and development skills Has both technical breadth and depth More ❯
Employment Type: Permanent
Posted:

PubSec Advisor Technical Architect

United Kingdom
DXC Technology Inc
metrics and are scalable Helping to shape, evolve and document the architecture that underpins the existing platforms and services and lead their on-going transition from legacy systems to cloud based architectures. Interacting with project roles as required, to gain an understanding of the complex business environment, technical context, end client requirements and organisational strategic direction. Advising … its broader eco system Deployment automation technologies The ability to code, especially Infrastructure as code Network design, implementation, and administration A track record in the design and application of systems, leveraging automation technologies A deep understanding of Virtualisation and Container technologies Design of large, complex systems including practical experimentation and development skills Has both technical breadth and depth More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SAP SCM Consultant

United Kingdom
Stackstudio Digital Ltd
Job Summary Seeking a seasoned Lead SAP SCM Solution Consultant to drive S/4HANA transformation programs. Focus on end-to-end solution architecture, migrations from legacy systems, and adoption of SCM modules using Agile, Waterfall, and Hybrid methodologies aligned with SAP Activate. Key Responsibilities Lead SCM architecture for S/4HANA migrations (on-premise and cloud … covering QM, PM, PP, MM, eWM, and TM. Manage project lifecycles, including blueprinting, workshops, testing, cutover, and integrations with non-SAP systems (e.g., MES, LIMS). Utilize SAP Activate with Health-Checks, RAIDs, MoSCoW prioritization, and MVP approaches. Facilitate stakeholder alignment, risk management, scope control, and change requests. Develop business process mappings (AS-IS/TO-BE) and global More ❯
Employment Type: Permanent
Posted:

Head of Tech & Digital Transformation - Hybrid, Manchester

Manchester, North West, United Kingdom
Hybrid / WFH Options
Langley James Limited
/automation , cybersecurity , performance optimisation , and infrastructure design . You'll work closely with an established internal remote development team , oversee outsourced IT services , and bring legacy systems up to modern standards. With a robust tech stack already in place (PHP 8.2, MySQL 8, Redis, AWS S3), you'll take things to the next level - scaling performance … the future. What You'll Be Doing Lead and deliver a roadmap of 30+ AI/ML-powered CRM features (including voice AI, automation, and predictions). Overhaul legacy CRM UI/UX into a high-performance, modern user experience. Resolve application sluggishness, optimise load performance, and boost uptime. Own cybersecurity strategy: implement audits, intrusion detection, and disaster … Technical Lead , ideally within CRM, SaaS, or high-growth environments. Strong background in AI/ML automation , particularly speech and text applications. Deep understanding of Cybersecurity , backup/recovery systems, and risk mitigation. Experience modernising legacy platforms into scalable, fast, and user-friendly systems. Excellent communication skills - capable of aligning stakeholders and leading change. Location & Hybrid Working More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Technical Business Analyst

London, United Kingdom
La Fosse Associates
re-architecting complex systems. This is a hands-on role requiring deep technical understanding and strong stakeholder engagement skills. You'll be instrumental in stripping back legacy systems to their core, supporting architectural redesign, and ensuring streamlined data and workflow processes. Key Responsibilities Analyse and simplify existing systems. Support the re-architecture of systems to align … with modern architecture principles. Collaborate with technical teams to understand and document data flows and technical workflows. Work closely with stakeholders to ensure business needs are met and systems are user-centric. Assist in developing the business case for system transformation. Engage empathetically with culturally diverse teams, including surveyors and global stakeholders. Ensure end-to-end system understanding and … as a Business Analyst in technical environments. Business Analysis Professional Qualification (e.g. BCS) Strong understanding of architecture principles, data flow, and system re-engineering. Hands-on experience with complex systems (e.g., utilities, case management, bespoke platforms). Systems-oriented mindset with a passion for simplification and optimisation. Excellent communication and stakeholder management skills. Ability to work independently and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Support Engineer LHR CI-I

London, United Kingdom
Kuehne + Nagel AS
It's more than a job In this IT role, you will manage, develop, and support the technology infrastructure that powers Kuehne+Nagel's global systems and operations. This contribution is vital to making both special and ordinary moments in the lives of people a reality. In fact, your work enables our teams to deliver fresh fruit, time-sensitive healthcare … the role requires an acute technical awareness, demonstrating a keen ability to embrace emerging and proven technologies whilst at the same time retaining an understanding of legacy systems and their subsequent dependencies within Kuehne & Nagel. How you create impact To provide technical support and guidance on all supported systems. To play an active role in supporting the … devices in accordance with our policies. Take a lead on project work within the team, helping to manage and co-ordinate deployments across our user base. To ensure that systems availability is maintained in accordance with established service levels. Management and ongoing updating of TOPdesk call queues in accordance with agreed SLAs. To work collaboratively across the UK and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Enterprise Solution Architect

Oxford, Oxfordshire, United Kingdom
Hybrid / WFH Options
Oxforddigital
healthcare providers. We bring together technology, data, and human-centred design to improve patient experiences, streamline clinical workflows, and enable smarter decision-making. Our work supports delivering integrated care systems, interoperable platforms, cloud-native solutions, and AI-powered tools built around user needs. The role We're looking for an Enterprise Solution Architect to join our growing team and … Contribute to business case development and procurement processes by advising on architectural trade-offs. Maintain awareness of emerging technologies and advise clients on opportunities to modernise legacy systems or adopt innovation responsibly. Champion architecture best practices and coach other team members on digital health architecture principles. Required skills and knowledge Proven expertise in enterprise or solution architecture … to technical and non-technical audiences. Strong stakeholder engagement and communication skills across clinical, business, and technical teams. Experience working on projects related to Community Diagnostic Centres, Integrated Care Systems, or Electronic Patient Records. Understanding of AI, ML, and data analytics applications in healthcare. Exposure to openEHR, IHE profiles, and OpenAPI specifications. TOGAF, BCS, or relevant architecture certification. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer London, Singapore

London, United Kingdom
GSR Markets Limited
of the cryptocurrency ecosystem. About the role: This role sits within GSR's global Data Engineering team, where you'll contribute to the design and development of scalable data systems that support our trading and business operations. You'll work closely with stakeholders across the firm to build and maintain pipelines, manage data infrastructure, and ensure data is reliable … responsibilities may include: Build and maintain scalable, efficient ETL/ELT pipelines for both real-time and batch processing. Integrate data from APIs, streaming platforms, and legacy systems, with a focus on data quality and reliability. Design and manage data storage solutions, including databases, warehouses, and lakes. Leverage cloud-native services and distributed processing tools (e.g., Apache More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Developer / Consultant C# .Net

Hatfield, Hertfordshire, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
a growing Software Consultancy/MSP. As a Senior Developer/Consultant you will work with a long established client to help them modernise and transform legacy systems to modern microservices, cloud based solutions to support business growth. You'll collaborate with the client to understand their business needs and take a lead role in developing and … three times per month. About you: You are an experienced Software Developer/Consultant with strong C# .Net Core skills You have experience with API development, microservices, Cloud based systems (AWS, Azure or GCP) You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have excellent communication and collaboration skills and are More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Software Developer – C#.NET Full Stack

Ludlow, Shropshire, United Kingdom
Hybrid / WFH Options
RedTech Recruitment Ltd
stay up-to-date with new technologies Excellent communication and problem-solving skills Beneficial experience: Leading small development teams to deliver functionality on time Migrating large legacy systems Azure Pipelines, MSBuild, ASP.NET MVC, WCF Services WinForms/WPF Web accessibility, responsive web applications, localisation for global markets Responsibilities for Software Developer: Develop features across the full stack … our website). Keywords – Software Developer/Full Stack Developer/C# Developer/.NET Developer/Application Developer/Web Developer/Backend Developer/Frontend Developer/Systems Developer/API Engineer/C#/.NET/SQL Server/Angular/HTML/CSS/TypeScript/Web API/Azure/ASP.NET MVC/WinForms More ❯
Employment Type: Permanent
Salary: £50000 - £55000/annum Excellent Benefits
Posted:

Implementation Consultant

London, United Kingdom
Hybrid / WFH Options
Sprout.ai
d love to meet you. Responsibilities Customer Delivery and Configuration Configure, and deliver solutions using the Sprout.ai platform Liaise with Engineering to deliver integrations between Sprout and our customers' systems Liaise with Data Science to implement & optimise AI document-processing models, AI workflows, and automation processes related to claim management Troubleshoot and resolve technical issues related to Sprout implementations … on their claim, often in times of vulnerability. The barriers to rapid claims settlement were clear; understanding of unstructured data, complexity and volume of decision making, legacy systems and processes. Sprout.ai's patented claims automation platform solves these challenges, and has already delivered instant claims settlement on millions of insurance claims around the world. Our proprietary AI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Pega Developer with Security Clearance

Annapolis Junction, Maryland, United States
Cyberstrike Group
Desired Skills (experience in at least four areas preferred): Development Areas: Front-end UI, middle-tier, back-end, full stack, data modeling, DevOps, SOA, or wrapping legacy systems as web services. Commercial Technologies: Java, JavaScript, HTML, CSS, React, Angular, Spring, Hibernate, Maven, Git, Node.js, SQL, RESTful/SOAP Web Services, MongoDB, Oracle, PostgreSQL, Tomcat, and other listed More ❯
Employment Type: Permanent
Salary: USD 200,000 Annual
Posted:

Senior Lead Project Manager

Belfast Metropolitan Area, United Kingdom
Hybrid / WFH Options
RED Global
program-level risks, dependencies, and integration points between initiatives and external teams. Technical Oversight: Maintain a strong understanding of the evolving technical landscape, including decommissioning of legacy systems and adoption of a new AWS-based data ecosystem. Essential Skills & Experience Certified SAFe Agilist (SA) or SAFe Program Consultant (SPC) with extensive, hands-on experience managing large-scale More ❯
Posted:

.Net Core Developer - 70K - React

England, United Kingdom
Hybrid / WFH Options
Ascent People Ltd
countries, who are looking for a Senior .NET Core Developer to join their growing team. Why this role stands out: This isn't your typical "maintaining legacy systems" position. My client wants someone who can take ownership of greenfield projects from day one - starting fresh, using your initiative, and delivering complete applications. What they need from you More ❯
Employment Type: Permanent
Salary: GBP 70,000 Annual
Posted:

Database Developer

Kraków, Małopolskie, Poland
Aristocrat Interactive
the gaming industry. What You'll Do Design stable, reliable, and effective databases Develop database structures, stored procedures, functions, reports, scripts, and more Optimize and maintain legacy systems to ensure flawless performance Modify databases according to requests and rigorously perform tests Solve complex database performance and business logic issues Collaborate with developers to improve applications and establish More ❯
Employment Type: Permanent
Salary: PLN Annual
Posted:

Database Developer

Warszawa, Mazowieckie, Poland
Aristocrat Interactive
the gaming industry. What You'll Do Design stable, reliable, and effective databases Develop database structures, stored procedures, functions, reports, scripts, and more Optimize and maintain legacy systems to ensure flawless performance Modify databases according to requests and rigorously perform tests Solve complex database performance and business logic issues Collaborate with developers to improve applications and establish More ❯
Employment Type: Permanent
Salary: PLN Annual
Posted:

Senior Data Analyst

London, United Kingdom
Monad Foundation
trading on a novel, high-performance EVM L1 High-impact role with direct influence on protocol design and capital strategy Fast-paced, collaborative culture with no legacy systems or bureaucracy Competitive compensation with significant token upside Flexible work environment with a primary office in London; relocation support available for strong candidates Ready to apply? Powered by First More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Solutions Consultant - Hedge Funds

London, United Kingdom
Clearwater Analytics, Ltd
Analytics (NYSE: CWAN) is transforming investment management with the industry's most comprehensive cloud-native platform for institutional investors across global public and private markets. While legacy systems create risk, inefficiency, and data fragmentation, Clearwater's single-instance, multi-tenant architecture delivers real-time data and AI-driven insights throughout the investment lifecycle. The platform eliminates information More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Legacy Systems
10th Percentile
£45,000
25th Percentile
£52,500
Median
£65,000
75th Percentile
£78,750
90th Percentile
£95,000