Application Development Lead

TEKsystems; Greater London; On-site; GBP 111,000 - 148,000; Full time

Job summary

TEKsystems in the United Kingdom seeks an experienced Application Development Lead / Solution Architect to drive architecture across a major banking programme. Based in London, you will lead solution and application architecture, oversee changes for a new EU entity in Paris, and provide technical leadership across cross-functional teams.

You will shape API design, data flows, and system integrations, ensuring compliant, scalable, and operation-ready solutions within a complex, regulated

Qualifications

• Experience delivering complex technology transformation programmes in financial services.
• Strong architectural leadership across cross-functional teams.
• Ability to align architecture with regulatory and business requirements.

Responsibilities

• Design architectures for new EU entity and ongoing operations.
• Oversee API interfaces and data flows between systems.
• Lead and coordinate application development across teams.
• Ensure secure, scalable and compliant solutions.
• Guide testing strategies and defect resolution.
• Communicate decisions to technical and non-technical stakeholders.

Job description

Job Title: Application Development Lead / Solution Architect

Job Description

This role offers an opportunity for an experienced Solution Architect and Application Development Lead, based in the UK, to play a key part in a major, long-term strategic programme for a Tier 1 banking group. The successful candidate will join the Technology & Operations workstream, leading solution and application architecture and overseeing technology changes required to establish and operationalise a new EU legal entity in Paris. You will provide technical leadership across a complex, cross-functional banking programme, ensuring systems and applications are effectively designed, integrated and ready for operation.

Responsibilities

• Design and define solution and application architectures that support the establishment and ongoing operation of a new EU legal entity.
• Assess the existing application landscape, identify gaps and required changes, and recommend appropriate technical solutions.
• Oversee application development activities, providing technical direction and ensuring high-quality delivery across the full lifecycle.
• Lead and coordinate systems integration, including APIs, interfaces and data flows between upstream and downstream systems.
• Manage technical dependencies across multiple systems and platforms to ensure coherent end-to-end solutions.
• Support testing activities by guiding test strategy from a technical perspective and helping resolve defects and integration issues.
• Contribute to implementation planning and execution, ensuring solutions are robust, secure and ready for operational use.
• Drive operational readiness by collaborating with Technology and Operations teams to ensure systems, processes and controls are in place.
• Work closely with Technology, Operations, Business, Compliance and Risk teams to align solutions with regulatory and business requirements.
• Provide clear technical leadership and guidance within a complex, cross-functional banking programme, promoting best practices in architecture and development.
• Communicate architectural decisions and technical approaches effectively to both technical and non-technical stakeholders.
• Ensure solutions support regulatory and legal entity change requirements and can scale to meet future European banking needs.

Essential Skills

• Strong experience in banking or financial services technology, ideally gained within a Tier 1 banking environment.
• Proven background in Solution Architecture, Application Architecture or Application Development within complex organisations.
• Demonstrable experience delivering complex technology transformation programmes in financial services.
• Deep understanding of systems integration, including design and implementation of APIs, interfaces and data flows.
• Strong application architecture skills, with the ability to design scalable, secure and resilient solutions.
• Excellent stakeholder management skills, with experience engaging both technical and business functions.
• Ability to provide technical leadership across cross-functional teams and large-scale programmes.
• Strong analytical and problem-solving skills, with the ability to assess existing systems and identify effective solutions.
• Clear and confident communication skills, capable of explaining technical concepts to diverse audiences.

Additional Skills & Qualifications

• Exposure to legal entity change initiatives in banking or financial services.
• experience with regulatory transformation programmes, particularly within European banking.
• Familiarity with European banking regulatory frameworks and their impact on technology and operations.
• experience working on cross-border or multi-jurisdictional banking programmes.background in development within banking technology environments.
• Ability to operate effectively in complex, matrixed organisations and large programme structures.

Why Work Here?

You will join a high-profile, long-term strategic programme within a leading banking group, offering the chance to influence core technology and operational capabilities for a new European entity. The environment supports close collaboration between Technology, Operations, Business, Compliance and Risk functions, providing broad exposure and the opportunity to build strong professional relationships. You will work on complex, impactful initiatives that enhance your experience in transformation, integration and regulatory change, supporting your career growth in solution architecture and leadership roles within financial services.

Work Environment

The role is based in the UK within a large-scale banking technology and operations environment, focused on supporting the establishment of a new EU legal entity in Paris. You will operate within a structured programme setting, collaborating closely with cross-functional teams across Technology, Operations, Business, Compliance and Risk. The work involves modern banking technology landscapes, systems integration and application architecture, with a strong emphasis on regulatory compliance and operational readiness. The environment is professional and fast-paced, with an expectation of clear communication, structured documentation and effective stakeholder engagement across multiple locations.

Location

London, UK

Rate/Salary

600.00 - 800.00 GBP Daily