Legacy Applications Jobs in London

21 of 21 Legacy Applications Jobs in London

Migration Architect

London Area, United Kingdom
Anson McCade
McCade is partnering with a leading European consultancy is seeking a Migration Architect to lead and manage the migration of critical legacy applications, data, and infrastructure to new environments. This role requires extensive experience in planning, designing, and executing migration strategies while ensuring minimal disruption to business … operations. Key Responsibilities: Oversee the end-to-end migration of critical legacy applications through cutover and hyper care. Develop and implement comprehensive migration strategies and plans. Assess existing systems and infrastructure to determine migration requirements. Design and deploy migration architectures, covering both cloud and on-premises environments. More ❯
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Migration Architect

london, south east england, united kingdom
Anson McCade
McCade is partnering with a leading European consultancy is seeking a Migration Architect to lead and manage the migration of critical legacy applications, data, and infrastructure to new environments. This role requires extensive experience in planning, designing, and executing migration strategies while ensuring minimal disruption to business … operations. Key Responsibilities: Oversee the end-to-end migration of critical legacy applications through cutover and hyper care. Develop and implement comprehensive migration strategies and plans. Assess existing systems and infrastructure to determine migration requirements. Design and deploy migration architectures, covering both cloud and on-premises environments. More ❯
Posted:

Migration Architect

London Area, United Kingdom
Hybrid / WFH Options
Anson McCade
depending on experience) We are seeking an experienced Migration Architect to lead and manage the transition of critical legacy applications, data, and infrastructure to modern environments. You will play a key role in designing and executing migration strategies, pre-sales and bids, while ensuring minimal disruption to … business operations. Key Responsibilities Take ownership of critical legacy applications, overseeing migration from planning to execution. Develop comprehensive migration strategies and roadmaps. Assess existing infrastructure and identify migration requirements. Involvement in pre-sales and bids Design and implement migration architectures for cloud and on-premises environments. Create More ❯
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Database Migration and Administrator Specialist

London, United Kingdom
Pearson Whiffin Recruitment Ltd
optimization. Ensure minimal disruption to business operations during migration activities. Cloud Database Administration: Manage, monitor, and maintain databases within the cloud environment. Update legacy versions of SQL databases, ensuring compatibility with modern technologies and standards. Administer and manage Windows-based SQL environments across development, test, UAT, and production … editions. Create and implement comprehensive plans to update and migrate legacy databases. Collaborate with teams to resolve challenges involving legacy applications and their database dependencies. Infrastructure-as-Code (IaC): Design and deploy IaC solutions to automate database provisioning, scaling, and management. Collaborate with DevOps teams … Hands-on experience with Infrastructure-as-Code tools (Terraform, Azure DevOps, GitHub Actions). Proficiency in database migration techniques and tools, including updating legacy SQL versions. Solid understanding of CI/CD pipelines, automation, and DevOps practices. Excellent problem-solving, communication, and team collaboration skills. Desirable Qualifications: Certifications More ❯
Employment Type: Contract
Rate: GBP 450 - 500 Daily
Posted:

Database Migration and Administrator Specialist

london, Old Street, United Kingdom
Pearson Whiffin Recruitment Ltd
optimization. Ensure minimal disruption to business operations during migration activities. Cloud Database Administration: Manage, monitor, and maintain databases within the cloud environment. Update legacy versions of SQL databases, ensuring compatibility with modern technologies and standards. Administer and manage Windows-based SQL environments across development, test, UAT, and production … editions. Create and implement comprehensive plans to update and migrate legacy databases. Collaborate with teams to resolve challenges involving legacy applications and their database dependencies. Infrastructure-as-Code (IaC): Design and deploy IaC solutions to automate database provisioning, scaling, and management. Collaborate with DevOps teams … Hands-on experience with Infrastructure-as-Code tools (Terraform, Azure DevOps, GitHub Actions). Proficiency in database migration techniques and tools, including updating legacy SQL versions. Solid understanding of CI/CD pipelines, automation, and DevOps practices. Excellent problem-solving, communication, and team collaboration skills. Desirable Qualifications: Certifications More ❯
Employment Type: Contract
Rate: £450 - £500/day
Posted:

Senior Solution Architect - AWS Modernisation Professional Services

London, United Kingdom
Cloud Bridge
Bridge and AWS, we want to hear from you. As a Senior Solution Architect, you'll work with customers to modernise legacy applications and databases as they migrate to AWS. You will be a technical authority in designing and delivering cloud-native architectures, serverless solutions, application and … consulting, and practice development, helping us define and scale modernisation offerings. Key Responsibilities Customer Engagement & Solution Design Engage with customers to understand their legacy application and database environments. Define modernisation strategies, focusing on database migration, re-platforming, and serverless adoption. Design AWS architectures that are scalable, secure, and … and caching strategies. Cloud-Native & Serverless Adoption Architect solutions leveraging AWS Lambda, API Gateway, Step Functions, and EventBridge. Support customers in breaking down monolithic applications into microservices. Define event-driven and asynchronous processing patterns to improve scalability. Infrastructure as Code & DevOps Automate database deployments using Terraform, AWS CloudFormation, and More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Software Engineer

London Area, United Kingdom
Prism Digital
Software Engineer | C#, SQL, Legacy Refactoring | Systematic Hedge Fund Rate: £650-750 per day IR35: Outside Duration: 12 months+ Location: 3 days in the office per week in Moorgate/Liverpool Street We’re working with a high-performing, systematic hedge fund based in the City to help … hands-on software engineer Strong C#/.NET and SQL background, ideally in data-centric or financial systems Solid experience refactoring legacy applications without full test coverage Testing; You must be a meticulous Tester in TDD. Excellent at writing characterisation tests to lock down behaviour before improving … pride in annotated, clean commits and structured workflows Having a ‘DevOps mindset’ and getting the importance of culture If you enjoy carefully improving legacy code , owning your application, and collaborating closely with a brilliant (and refreshingly small) trading and quant team, this one’s for you. Apply ASAP More ❯
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Senior Software Engineer

london, south east england, united kingdom
Prism Digital
Software Engineer | C#, SQL, Legacy Refactoring | Systematic Hedge Fund Rate: £650-750 per day IR35: Outside Duration: 12 months+ Location: 3 days in the office per week in Moorgate/Liverpool Street We’re working with a high-performing, systematic hedge fund based in the City to help … hands-on software engineer Strong C#/.NET and SQL background, ideally in data-centric or financial systems Solid experience refactoring legacy applications without full test coverage Testing; You must be a meticulous Tester in TDD. Excellent at writing characterisation tests to lock down behaviour before improving … pride in annotated, clean commits and structured workflows Having a ‘DevOps mindset’ and getting the importance of culture If you enjoy carefully improving legacy code , owning your application, and collaborating closely with a brilliant (and refreshingly small) trading and quant team, this one’s for you. Apply ASAP More ❯
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Engineering Team Lead

London Area, United Kingdom
Peregrine
and mitigate technical debt , ensuring a balance between quick wins and long-term stability . Oversee the refactoring and modernization of legacy applications , ensuring observability, performance, and security . Collaborate with Chief Engineers and engineering teams to define best practices for ETL, data integration, and cloud adoption More ❯
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Engineering Team Lead

london, south east england, united kingdom
Peregrine
and mitigate technical debt , ensuring a balance between quick wins and long-term stability . Oversee the refactoring and modernization of legacy applications , ensuring observability, performance, and security . Collaborate with Chief Engineers and engineering teams to define best practices for ETL, data integration, and cloud adoption More ❯
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AWS Cloud Architect

London, United Kingdom
Cloud Bridge
RDS, Lambda, CloudFormation, and API Gateway, ensuring alignment with business objectives. Define cloud adoption strategies, roadmaps, and migration plans to transition legacy applications and infrastructure to the cloud with minimal disruption. Design cost-effective cloud architectures leveraging AWS services, optimizing performance, security, compliance, and resource utilization. Use … such as EC2, S3, VPC, Lambda, RDS, CloudFormation, and IAM. Proven expertise in building highly available, fault-tolerant, and scalable architectures, and migrating complex applications to AWS (e.g., replatforming, rearchitecting). In-depth knowledge of AWS security best practices (IAM, VPC security, encryption, data protection) and compliance with industry … Step Functions. Familiarity with multi-cloud environments and integration with other cloud providers (e.g., Azure, GCP) and on-premises systems. Expertise in managing containerized applications using Docker, ECS, EKS, or Kubernetes, and deep knowledge of networking (VPC, Direct Connect, VPN, Route 53). Experience with CI/CD pipelines More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Commodities Technology Risk Data Analytics Lead

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
has expanded in recent years, we have embarked on an ambitions re-engineering program across our application estate. We are retiring legacy applications, modernising and rationalising our technology stack in order to provide quicker time to market for new products and faster trading capability in a market … best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion More ❯
Employment Type: Permanent
Salary: GBP Annual
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Cloud Architect

London Area, United Kingdom
Accenture
e2e Business Transformations, not just technical solutions to point business challenges. Help design and deliver ground-breaking cloud solutions - from migrating legacy applications onto Cloud, to building innovative, new cloud-native applications. Provide solutions to real world problems facing the UK government, working at the forefront of More ❯
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Cloud Architect

london, south east england, united kingdom
Accenture
e2e Business Transformations, not just technical solutions to point business challenges. Help design and deliver ground-breaking cloud solutions - from migrating legacy applications onto Cloud, to building innovative, new cloud-native applications. Provide solutions to real world problems facing the UK government, working at the forefront of More ❯
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Business Analyst (RegTech)

London Area, United Kingdom
BGC Group
fixes to the strategic reporting and surveillance platforms Creating functional requirements for migration of the reporting logic currently accommodated by other legacy applications onto the strategic reporting platform Engaging upstream system owners where changes are required for regulatory reporting purposes Performing some BAU support tasks related to … defining requirements Working with development teams to ensure requirements are understood Defining scope of testing, working with testers, validating test results Support the existing applications, assist in diagnosis and resolutions of issues Skills/experience required: Skills required: 5 years minimum experience of being a business analyst, ideally in More ❯
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Business Analyst (RegTech)

london, south east england, united kingdom
BGC Group
fixes to the strategic reporting and surveillance platforms Creating functional requirements for migration of the reporting logic currently accommodated by other legacy applications onto the strategic reporting platform Engaging upstream system owners where changes are required for regulatory reporting purposes Performing some BAU support tasks related to … defining requirements Working with development teams to ensure requirements are understood Defining scope of testing, working with testers, validating test results Support the existing applications, assist in diagnosis and resolutions of issues Skills/experience required: Skills required: 5 years minimum experience of being a business analyst, ideally in More ❯
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Technical Architect - Microsoft Dynamics 365

London, England, United Kingdom
Nelson Frank
to implementation and support Creating detailed architecture documentation and ensuring alignment with best practices Overseeing integration with third-party systems and legacy applications Supporting pre-sales activities, including solution design, effort estimation, and technical presentations What we're looking for: Proven experience as a Technical Architect working More ❯
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Technical Architect - Microsoft Dynamics 365

London, United Kingdom
Hybrid / WFH Options
Nelson Frank
to implementation and support Creating detailed architecture documentation and ensuring alignment with best practices Overseeing integration with third-party systems and legacy applications Supporting pre-sales activities, including solution design, effort estimation, and technical presentations What we're looking for: Proven experience as a Technical Architect working More ❯
Employment Type: Permanent
Salary: £75000 - £95000/annum
Posted:

NBSS Test Lead

London, United Kingdom
Hitachi Vantara Corporation
National Breast Screening Services (NBSS). As Test Lead, you will play a crucial role leading and coordinating testing teams in complex and legacy application testing environments, and be accountable for system integration, regression, and system testing for the NBSS. You'll be ISEB or ISTQB qualified, with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

NBSS Test Lead

London, United Kingdom
Hitachids
National Breast Screening Services (NBSS). As Test Lead, you will play a crucial role leading and coordinating testing teams in complex and legacy application testing environments, and be accountable for system integration, regression, and system testing for the NBSS. You'll be ISEB or ISTQB qualified, with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Android Developer

North West London, London, United Kingdom
Hybrid / WFH Options
Fruition Group
A brilliant opportunity for an Android Developer to join a highly product-focused team building one of the most visible and widely used mobile applications in the UK. This isn't a place where you're tweaking legacy apps or stuck doing maintenance. You'll be at … code, work with great people, and see your work ship fast - this could be the one. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age. More ❯
Employment Type: Contract, Work From Home
Posted:
Legacy Applications
London
10th Percentile
£46,250
25th Percentile
£59,375
Median
£65,000
75th Percentile
£67,500
90th Percentile
£106,000