26 to 50 of 59 Architectural Design Jobs in the City of London

though the scope and expectations align more closely with a Distinguished Engineer . This is not a traditional leadership role overseeing teams who build. This is a hands-on architectural mandate for someone who has built , scaled , and owned core infrastructure for real-time document processing, specifically in high-compliance enterprise environments. This is not a team management or … strategy-only role. It is a hands-on architectural mandate focused on production delivery. The platform processes millions of documents across regulated sectors, and is now being re-architected to incorporate agentic frameworks, LLMs, and secure private inference at scale. You will be responsible for designing the technical foundations that enable this: scaling LLM systems, embedding pipelines, orchestration layers … databases, cloud-native deployment Experience building proprietary products Deep experience with LLMs History of building within product companies or platform teams, not consultancies or service firms You will: Lead architectural design of scalable document intelligence systems Build and optimise full LLM pipelines, from ingestion to inference to orchestration Oversee deployment in private cloud/secure infrastructure settings Design More ❯

though the scope and expectations align more closely with a Distinguished Engineer . This is not a traditional leadership role overseeing teams who build. This is a hands-on architectural mandate for someone who has built , scaled , and owned core infrastructure for real-time document processing, specifically in high-compliance enterprise environments. This is not a team management or … strategy-only role. It is a hands-on architectural mandate focused on production delivery. The platform processes millions of documents across regulated sectors, and is now being re-architected to incorporate agentic frameworks, LLMs, and secure private inference at scale. You will be responsible for designing the technical foundations that enable this: scaling LLM systems, embedding pipelines, orchestration layers … databases, cloud-native deployment Experience building proprietary products Deep experience with LLMs History of building within product companies or platform teams, not consultancies or service firms You will: Lead architectural design of scalable document intelligence systems Build and optimise full LLM pipelines, from ingestion to inference to orchestration Oversee deployment in private cloud/secure infrastructure settings Design More ❯

for exceptional talent to help us shape the future of financial technology. The Role We’re seeking a Golang Software Engineer to join our core engineering team. You’ll design, build, and maintain high-performance backend services that process millions of transactions per day. You’ll work closely with our product, infrastructure, and data teams to deliver scalable, reliable … and secure systems that power our next generation of fintech products. What You’ll Do Design and develop distributed backend systems in Go (Golang) . Build APIs and microservices that are fast, secure, and maintainable. Collaborate with DevOps engineers to optimize CI/CD pipelines and cloud infrastructure (AWS/GCP). Write clean, tested, and well-documented code. … Contribute to architectural decisions, system design discussions, and technical roadmaps. Work in an agile, collaborative environment with global teams across time zones. What We’re Looking For 5+ years of experience in software development (with 3+ years in Golang preferred). Strong understanding of concurrency, distributed systems , and microservices architectures . Experience with REST/gRPC APIs , PostgreSQL More ❯

Do: Provide outstanding Security consultation on strategy and innovation throughout major greenfield projects both internally and externally Play a key role in delivering large scale Security Projects Produce innovative design and architecture on large, exciting projects Interact with clients, supporting consultancy on their Security posture, and assess potential sales opportunity etc. Championing a constantly evolving security function within the … and other departments to improve overall security posture. Stay informed on emerging threats and security best practices. Required Skills & Qualifications: 5+ years’ experience in Security with strong experience Consulting & Architectural design Professional background in IT Services/IT Consultancy/MSP Strong experience of contributing to development & architecture on major projects. Strong technical knowledge of Azure and AWS More ❯

Do: Provide outstanding Security consultation on strategy and innovation throughout major greenfield projects both internally and externally Play a key role in delivering large scale Security Projects Produce innovative design and architecture on large, exciting projects Interact with clients, supporting consultancy on their Security posture, and assess potential sales opportunity etc. Championing a constantly evolving security function within the … and other departments to improve overall security posture. Stay informed on emerging threats and security best practices. Required Skills & Qualifications: 5+ years’ experience in Security with strong experience Consulting & Architectural design Professional background in IT Services/IT Consultancy/MSP Strong experience of contributing to development & architecture on major projects. Strong technical knowledge of Azure and AWS More ❯

across their web and mobile platforms supporting millions of transactions weekly. You’ll join a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding … practices within the team Lead architecture decision making and technology decision making Design, build, review, test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills More ❯

across their web and mobile platforms supporting millions of transactions weekly. You’ll join a cross-functional team, being the go-to for these services and will contribute to architectural design and technology decision making across the product.. 🎯 Responsibilities as the Senior Java Software Engineer: Assume technical ownership of feature development end-to-end Advocate for best coding … practices within the team Lead architecture decision making and technology decision making Design, build, review, test, and deploy services and code in live production environments Uphold development standards and prioritize best coding practices ✅ Experience needed as the Senior Java Software Engineer: Backend development experience, working with production level Java based applications Strong system architecture and system design skills More ❯

software related R&D tax claims as an R&D tax practitioner, with strong sector knowledge. Experience in dealing with technological challenges faced by industry professionals, such as software architectural design, the enhancement or improvement of software development processes, development of new tools/APIs and improvement to existing tools/APIs. Excellent communication (both spoken and written More ❯

in our fast-paced, results-driven trading environment. purpose-driven technical architectures, owning the system architecture and technology selection to deliver solutions that meet business needs. Ensure adherence to architectural designs throughout the development process. Technical skills required: Excellence in C#.Net Core, showing depth in architecture and data processing, utilizing frameworks such as Azure Event Hubs or Apache Kafka. More ❯

in our fast-paced, results-driven trading environment. purpose-driven technical architectures, owning the system architecture and technology selection to deliver solutions that meet business needs. Ensure adherence to architectural designs throughout the development process. Technical skills required: Excellence in C#.Net Core, showing depth in architecture and data processing, utilizing frameworks such as Azure Event Hubs or Apache Kafka. More ❯

it’s needed—reliably, efficiently, and in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. … Core Responsibilities: •Design, develop, and maintain scalable APIs and backend services to facilitate data flow between systems. •Collaborate with data engineers, architects, and security teams to ensure secure, reliable, and performant data exchange. •Work across cloud and on-premises environments to support a hybrid infrastructure. •Build reusable and modular components with a focus on maintainability and performance. •Implement robust … error handling, logging, and monitoring strategies for production-grade services. •Ensure compliance with data protection, privacy regulations, and internal governance policies. •Contribute to technical designs, architectural decisions, and system documentation. •Stay current with best practices and emerging technologies in software engineering and data systems. Knowledge: • Along with over 5 years of relevant experience, we are looking for a candidate More ❯

it’s needed—reliably, efficiently, and in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. … Core Responsibilities: •Design, develop, and maintain scalable APIs and backend services to facilitate data flow between systems. •Collaborate with data engineers, architects, and security teams to ensure secure, reliable, and performant data exchange. •Work across cloud and on-premises environments to support a hybrid infrastructure. •Build reusable and modular components with a focus on maintainability and performance. •Implement robust … error handling, logging, and monitoring strategies for production-grade services. •Ensure compliance with data protection, privacy regulations, and internal governance policies. •Contribute to technical designs, architectural decisions, and system documentation. •Stay current with best practices and emerging technologies in software engineering and data systems. Knowledge: • Along with over 5 years of relevant experience, we are looking for a candidate More ❯

month initial contract. Hybrid basis (2-3 days) London, Milton Keynes or Birmingham They are looking for a candidate to take responsibility for leading, guiding, supporting and delivering secure architectural design for the group cyber security maturity programme. They are also looking for a candidate who is able to provide advice and recommendations for the programme. Key Skills More ❯

month initial contract. Hybrid basis (2-3 days) London, Milton Keynes or Birmingham They are looking for a candidate to take responsibility for leading, guiding, supporting and delivering secure architectural design for the group cyber security maturity programme. They are also looking for a candidate who is able to provide advice and recommendations for the programme. Key Skills More ❯

best practice. Collaborate with other security disciplines - including Cyber Operations, Physical Security, and Personnel Security - to manage and reduce data loss risks. Deliver formal technical assurance on system and architectural designs, ensuring appropriate security of information and processing facilities. Support incident management activities, offering expert input and response guidance. Required You'll bring both technical depth and strategic assurance More ❯

CI/CD solutions or tools such as Jenkins and Concourse. Cloud Platforms: Hands-on knowledge of AWS, Azure, or equivalent services to build, deploy, and manage environments. System Design & Deployment Unix-Based Solutions: Proven experience designing, deploying, and administering Linux or Unix-based solutions, including virtualization and containerization techniques. Roles and Responsibilities Collaboration & Full Lifecycle Its partners, overseeing … leads to align solutions with customer requirements. Assist in eliciting requirements from stakeholders to ensure technical solutions meet business objectives. Innovation & Prototyping Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges. Explore and recommend innovative solutions that inform future product and architectural strategy. Agility & Team Culture Inspire and be a key part of a … architectures and risk management practices are integrated throughout the development process. Align solutions with security best practices and relevant compliance standards. Architecture & Integration Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers. Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency. Tools & Processes Establish and More ❯

CI/CD solutions or tools such as Jenkins and Concourse. Cloud Platforms: Hands-on knowledge of AWS, Azure, or equivalent services to build, deploy, and manage environments. System Design & Deployment Unix-Based Solutions: Proven experience designing, deploying, and administering Linux or Unix-based solutions, including virtualization and containerization techniques. Roles and Responsibilities Collaboration & Full Lifecycle Its partners, overseeing … leads to align solutions with customer requirements. Assist in eliciting requirements from stakeholders to ensure technical solutions meet business objectives. Innovation & Prototyping Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges. Explore and recommend innovative solutions that inform future product and architectural strategy. Agility & Team Culture Inspire and be a key part of a … architectures and risk management practices are integrated throughout the development process. Align solutions with security best practices and relevant compliance standards. Architecture & Integration Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers. Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency. Tools & Processes Establish and More ❯

looking for a Senior Software Engineer who’s eager to take ownership of high-impact projects from idea to execution. You’ll collaborate closely with product and engineering to design and deliver new greenfield features, contribute to architectural decisions, and help shape a high-performing, collaborative engineering culture. You’ll have the autonomy to experiment, solve meaningful technical … the direction of their product and company. What You’ll Do Take full ownership of new feature development and end-to-end delivery of large-scale projects Contribute to architectural and design discussions that influence the future of our platform Tackle complex problems that require creative, scalable solutions Champion best practices for code quality, performance, and reliability Mentor More ❯

looking for a Senior Software Engineer who’s eager to take ownership of high-impact projects from idea to execution. You’ll collaborate closely with product and engineering to design and deliver new greenfield features, contribute to architectural decisions, and help shape a high-performing, collaborative engineering culture. You’ll have the autonomy to experiment, solve meaningful technical … the direction of their product and company. What You’ll Do Take full ownership of new feature development and end-to-end delivery of large-scale projects Contribute to architectural and design discussions that influence the future of our platform Tackle complex problems that require creative, scalable solutions Champion best practices for code quality, performance, and reliability Mentor More ❯

delivery management, and technical leads Support stakeholder engagement by eliciting requirements, refining user stories, and ensuring alignment with project goals Innovation & Prototyping Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges Explore and recommend innovative solutions that inform future product and architectural strategy Agility & Team Culture Embrace and advocate for Agile or similar modern … teams, to identify and manage risks throughout the development lifecycle Align development activities with security best practices and relevant compliance standards Architecture & Integration Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency Tools & Processes Establish and More ❯

delivery management, and technical leads Support stakeholder engagement by eliciting requirements, refining user stories, and ensuring alignment with project goals Innovation & Prototyping Leverage technical investigation, rapid prototyping, and software design to address complex engineering challenges Explore and recommend innovative solutions that inform future product and architectural strategy Agility & Team Culture Embrace and advocate for Agile or similar modern … teams, to identify and manage risks throughout the development lifecycle Align development activities with security best practices and relevant compliance standards Architecture & Integration Make and collaborate on technological and architectural designs for assigned products, communicating decisions clearly to teams and customers Integrate new features or services within existing ecosystems, ensuring minimal disruption and maximum efficiency Tools & Processes Establish and More ❯

business requirements and their correct technical implementation solutions using industry best practices. You will work closely with client stakeholders, delivery leads, business analysts, developers and testers to guide the design through to implementation and beyond whilst ensuring KPMG risk and quality standards are adhered to. Key aspects of the role are: Lead the technical delivery of a portfolio of … projects based on the ServiceNow platform Define technical solutions (at an architectural and design level of detail) Provide senior technical leadership and mentoring to junior architects and offshore development teams. Deliver compelling solution demonstrations across the ServiceNow platform. Assist development teams in resolving technical issues through all stages of the project lifecycle. Continuous growth of knowledge around the More ❯

business requirements and their correct technical implementation solutions using industry best practices. You will work closely with client stakeholders, delivery leads, business analysts, developers and testers to guide the design through to implementation and beyond whilst ensuring KPMG risk and quality standards are adhered to. Key aspects of the role are: Lead the technical delivery of a portfolio of … projects based on the ServiceNow platform Define technical solutions (at an architectural and design level of detail) Provide senior technical leadership and mentoring to junior architects and offshore development teams. Deliver compelling solution demonstrations across the ServiceNow platform. Assist development teams in resolving technical issues through all stages of the project lifecycle. Continuous growth of knowledge around the More ❯

AWS Solution Architect Overview La Fosse have partnered with a leading media organisation who are undergoing a cloud migration and are seeking an AWS Solution Architect to lead the design and evolution of its cloud estate. The role focuses on ensuring cloud platforms are secure, scalable, cost-efficient, and aligned with AWS best practices. Key Responsibilities Define and maintain … target and transition architectures for AWS environments. Drive adoption of infrastructure-as-code and GitOps principles for consistent, automated delivery. Lead design forums and provide architectural governance across multiple projects. Develop cloud roadmaps covering network segmentation, identity, observability, and resilience. Embed security, compliance, and resilience into all architectural designs. Manage cost optimisation, including RI/SP planning … of AWS services (e.g. EC2, EKS, Lambda, RDS, S3, IAM, Control Tower). Skilled in Terraform or CloudFormation, and CI/CD automation. Strong understanding of network and security design, hybrid environments, and zero-trust principles. Excellent communication and stakeholder management skills. This is a hybrid role, requiring 2 days per week in the Central London office. Please note More ❯

AWS Solution Architect Overview La Fosse have partnered with a leading media organisation who are undergoing a cloud migration and are seeking an AWS Solution Architect to lead the design and evolution of its cloud estate. The role focuses on ensuring cloud platforms are secure, scalable, cost-efficient, and aligned with AWS best practices. Key Responsibilities Define and maintain … target and transition architectures for AWS environments. Drive adoption of infrastructure-as-code and GitOps principles for consistent, automated delivery. Lead design forums and provide architectural governance across multiple projects. Develop cloud roadmaps covering network segmentation, identity, observability, and resilience. Embed security, compliance, and resilience into all architectural designs. Manage cost optimisation, including RI/SP planning … of AWS services (e.g. EC2, EKS, Lambda, RDS, S3, IAM, Control Tower). Skilled in Terraform or CloudFormation, and CI/CD automation. Strong understanding of network and security design, hybrid environments, and zero-trust principles. Excellent communication and stakeholder management skills. This is a hybrid role, requiring 2 days per week in the Central London office. Please note More ❯