10 of 10 API Design Jobs in the City of London

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily … organization's objectives. Work closely with tech leads, engineers, testers, and other personnel to deliver high-quality products. Take ownership of initiatives related to innovation or addressing technical debt. Design, document, and communicate system solutions with a balanced focus on time, quality, cost, and performance. Collaborate with colleagues across the organization to gain buy-in and feedback on proposals … Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD More ❯

they're trusted with high-impact, mid-market projects with real business needs and quick delivery cycles. This is a client-facing, hands-on engineering role where you'll design and deliver solutions directly with clients. It's a mix of consulting and coding, ideal for engineers who want to see their work make an immediate impact. What You … ll Do Work closely with clients to solve their toughest challenges using Palantir Foundry and modern AI/data tools. Design and deploy scalable data pipelines, workflows, and applications. Model complex datasets and create APIs that deliver real business value. Collaborate with technical and non-technical stakeholders, shaping strategy as well as delivery. Own projects end-to-end in … scale data platforms such as: Snowflake, Databricks, AWS Glue/Redshift, Google BigQuery Software engineering skills in Python, Java, or TypeScript/React. Strong data modelling, pipeline development, and API design experience. Excellent problem-solving and communication skills. Why This Role Stands Out Impactful work at the intersection of AI, data, and business transformation. Autonomy and visibility in More ❯

of Angular and .NET projects. Proficiency in Angular (v12+), TypeScript, HTML5, CSS3, and RxJS. Solid experience with .NET Core/.NET 6+, C#, and Entity Framework. Experience with RESTful API design and integration. Familiarity with SQL Server or other relational databases. Understanding of CI/CD pipelines and version control systems (e.g., Git). Strong problem-solving skills More ❯

projects within the firm that suit your experience should you wish to continue with Deloitte. About the role: We are seeking an experienced Enterprise Architect to lead the strategic design of our application portfolio strategy. This role requires a deep understanding of application architecture principles, software development methodologies, cloud computing, cybersecurity, and enterprise architecture best practices. The successful candidate … strategic goals. Act as a trusted advisor to senior management and business leaders. Influence and shape technology decisions related to application development and deployment across the firm. Lead the design of complex and innovative application solutions , integrating various applications with other enterprise systems and cloud platforms. Provide strategic guidance and leadership to the application architecture team and related stakeholders … Intelligence, Case Management and Workflow. Leadership - Experienced at successfully leading and delivering complex application architecture and integration architectures. Deep understanding of application architecture patterns, software development methodologies ( Agile, Waterfall ), API design, integration technologies (ESB, message queues) and cloud-native application development. Communication: can present and articulate complex technical concepts to both technical and non-technical stakeholders across all More ❯

projects within the firm that suit your experience should you wish to continue with Deloitte. About the role: We are seeking an experienced Enterprise Architect to lead the strategic design of our application portfolio strategy. This role requires a deep understanding of application architecture principles, software development methodologies, cloud computing, cybersecurity, and enterprise architecture best practices. The successful candidate … strategic goals. Act as a trusted advisor to senior management and business leaders. Influence and shape technology decisions related to application development and deployment across the firm. Lead the design of complex and innovative application solutions , integrating various applications with other enterprise systems and cloud platforms. Provide strategic guidance and leadership to the application architecture team and related stakeholders … Intelligence, Case Management and Workflow. Leadership - Experienced at successfully leading and delivering complex application architecture and integration architectures. Deep understanding of application architecture patterns, software development methodologies ( Agile, Waterfall ), API design, integration technologies (ESB, message queues) and cloud-native application development. Communication: can present and articulate complex technical concepts to both technical and non-technical stakeholders across all More ❯

Experience working closely with product teams and designing for real users Strong frontend skills (JavaScript/Typescript, React/Angular, HTML) and backend expertise (Node.js, Python) Proven experience in API design and system integration Proficiency with Microsoft Azure and familiarity with databases, IAM, containers, and deployment tools Comfortable with rapid prototyping tools (e.g., Figma) Solid understanding of the … platforms Support low-code solutions, especially within Power Platform Agile & Iterative Development Work within a modern agile framework Participate in backlog grooming, technical scoping, and story writing Engage in design sessions, code reviews, and retrospectives Security, Quality & Operations Ensure compliance with security, privacy, and operational standards Monitor and improve the health of production code Enhance testing and deployment pipelines More ❯