76 to 94 of 94 API Integration Jobs in the City of London

implement, and maintain IAM solutions leveraging Active Directory, Entra ID, Okta, SailPoint, and CyberArk. Configure Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Conditional Access Policies for OT integration with existing IT tooling. Define and enforce Role-Based Access Control (RBAC) and least privilege principles across enterprise and industrial systems. Identity Governance & Administration (IGA) – SailPoint: Implement and manage … Directory Services: Active Directory (AD DS, AD FS, Group Policy, LDAP, Kerberos, NTLM); Microsoft Entra ID (Azure AD), Conditional Access, Identity Protection. IAM Platforms: Okta Identity Cloud – SSO, MFA, API integrations, identity governance. OT/ICS Knowledge: SCADA, ICS, and OT identity management. Identity Governance: SailPoint IdentityNow/IdentityIQ – access reviews, lifecycle automation, compliance workflows, and enterprise application integration. More ❯

implement, and maintain IAM solutions leveraging Active Directory, Entra ID, Okta, SailPoint, and CyberArk. Configure Single Sign-On (SSO), Multi-Factor Authentication (MFA), and Conditional Access Policies for OT integration with existing IT tooling. Define and enforce Role-Based Access Control (RBAC) and least privilege principles across enterprise and industrial systems. Identity Governance & Administration (IGA) – SailPoint: Implement and manage … Directory Services: Active Directory (AD DS, AD FS, Group Policy, LDAP, Kerberos, NTLM); Microsoft Entra ID (Azure AD), Conditional Access, Identity Protection. IAM Platforms: Okta Identity Cloud – SSO, MFA, API integrations, identity governance. OT/ICS Knowledge: SCADA, ICS, and OT identity management. Identity Governance: SailPoint IdentityNow/IdentityIQ – access reviews, lifecycle automation, compliance workflows, and enterprise application integration. More ❯

being replaced with the latest version provided by SmartStream, who acquired the platform in 2017. The upgrade focuses on updating the system?s incoming and outgoing interfaces, ensuring seamless integration and operational continuity. Key Responsibilities: Develop and execute comprehensive system test plans, test cases, and test scripts aligned with the upgrade scope. Validate the incoming and outgoing interfaces of … new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user acceptance testing (UAT) phases. Identify, document, and track defects using standard defect management tools. Participate in test reviews, walkthroughs, and sign-off processes. Ensure … Provide regular status updates and contribute to test reporting and metrics. Required Skills & Experience: Proven experience as a System Test Analyst or similar role in complex system upgrade or integration projects. Strong knowledge of system testing methodologies, tools, and best practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools More ❯

What you’ll be doing: Own the end-to-end solution design and technical deployment for new implementations Work directly with clients to understand business needs, technical environments, and integration requirements Define architecture, data flows, authentication methods, and system configurations Collaborate with engineers, project managers, and consultants to deliver technically sound solutions Produce solution documentation, diagrams, and technical specifications … Support pre-sales conversations with technical input and solution design expertise Champion best practices in integration, identity, and data architecture Contribute to the continuous improvement of internal solution design processes What you’ll bring: Strong technical experience designing solutions across B2B SaaS platforms Proven ability to lead solution design across identity, API integrations, and data provisioning Working knowledge … in cross-functional teams with engineers, consultants, and commercial stakeholders A pragmatic, delivery-focused mindset — balancing ideal solutions with client and timeline realities Experience with IAM, SSO, or system integration is a plus If you’d like to hear more, drop me a message and I’ll share the details. More ❯

What you’ll be doing: Own the end-to-end solution design and technical deployment for new implementations Work directly with clients to understand business needs, technical environments, and integration requirements Define architecture, data flows, authentication methods, and system configurations Collaborate with engineers, project managers, and consultants to deliver technically sound solutions Produce solution documentation, diagrams, and technical specifications … Support pre-sales conversations with technical input and solution design expertise Champion best practices in integration, identity, and data architecture Contribute to the continuous improvement of internal solution design processes What you’ll bring: Strong technical experience designing solutions across B2B SaaS platforms Proven ability to lead solution design across identity, API integrations, and data provisioning Working knowledge … in cross-functional teams with engineers, consultants, and commercial stakeholders A pragmatic, delivery-focused mindset — balancing ideal solutions with client and timeline realities Experience with IAM, SSO, or system integration is a plus If you’d like to hear more, drop me a message and I’ll share the details. More ❯

new SmartStream Algo system, ensuring data integrity and functional accuracy. Collaborate with business analysts, developers, and project managers to understand requirements and translate them into test scenarios. Perform system integration testing (SIT) and support user acceptance testing (UAT) phases. Identify, document, and track defects using standard defect management tools. Participate in test reviews, walkthroughs, and sign-off processes. Ensure … updates and contribute to test reporting and metrics. Required Skills & Experience: Technical & Testing Expertise: Proven experience as a System Test Analyst or similar role in complex system upgrade or integration projects. Strong knowledge of system testing methodologies, tools, and best practices. Experience testing interfaces (inbound/outbound), including file-based and API integrations. Familiarity with test management tools More ❯

Implementation Consultant (FinTech) — London A high-growth investment-technology vendor is hiring an Implementation Consultant to deliver client onboarding and workflow configuration for buy-side firms. The platform is API-first and developer-friendly, with a strong engineering culture. What you’ll do Lead implementations for asset-management clients: scoping, data mapping, configuration, integrations and UAT. Build and optimise … vendors). Experience working with multi-asset data feeds (Equities, Fixed Income, ETDs, OTCs, Alternatives). Nice-to-have Experience delivering SaaS implementations to buy-side clients. Knowledge of API integrations and data models in investment platforms. Comfort working in collaborative, evidence-led product environments. Location London (hybrid). Apply if You enjoy solving complex data/workflow problems More ❯

Implementation Consultant (FinTech) — London A high-growth investment-technology vendor is hiring an Implementation Consultant to deliver client onboarding and workflow configuration for buy-side firms. The platform is API-first and developer-friendly, with a strong engineering culture. What you’ll do Lead implementations for asset-management clients: scoping, data mapping, configuration, integrations and UAT. Build and optimise … vendors). Experience working with multi-asset data feeds (Equities, Fixed Income, ETDs, OTCs, Alternatives). Nice-to-have Experience delivering SaaS implementations to buy-side clients. Knowledge of API integrations and data models in investment platforms. Comfort working in collaborative, evidence-led product environments. Location London (hybrid). Apply if You enjoy solving complex data/workflow problems More ❯

you will focus on enabling the core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Location/WFH: You can work from home most of the time, meeting up with colleagues in the London office once or twice a month. About you: You More ❯

an experienced Senior Project Manager to join on a 2-year fixed-term contract . You’ll play a key role in delivering complex software projects, particularly focused on API development and integrations, working closely with both internal teams and external suppliers. This is an opportunity to make a real impact in improving rail ticketing and validation systems across … the UK network. Responsibilities Lead the end-to-end delivery of software and integration projects, ensuring alignment with agreed scope, budget, and timelines. Build and manage relationships with third-party suppliers to ensure successful delivery of project milestones. Develop detailed project plans, assigning responsibilities and managing progress against deliverables. Identify, assess, and mitigate project risks, ensuring proactive issue management … step-up opportunity. Rail industry experience , ideally in digital or retail environments. Strong supplier management skills, including assigning resources and managing delivery performance. Demonstrable success delivering software projects , particularly API and system integration work. Desirable: Exposure to hardware projects or integrating software solutions with physical systems. Knowledge of digital ticketing and rail retail systems. More ❯

an experienced Senior Project Manager to join on a 2-year fixed-term contract . You’ll play a key role in delivering complex software projects, particularly focused on API development and integrations, working closely with both internal teams and external suppliers. This is an opportunity to make a real impact in improving rail ticketing and validation systems across … the UK network. Responsibilities Lead the end-to-end delivery of software and integration projects, ensuring alignment with agreed scope, budget, and timelines. Build and manage relationships with third-party suppliers to ensure successful delivery of project milestones. Develop detailed project plans, assigning responsibilities and managing progress against deliverables. Identify, assess, and mitigate project risks, ensuring proactive issue management … step-up opportunity. Rail industry experience , ideally in digital or retail environments. Strong supplier management skills, including assigning resources and managing delivery performance. Demonstrable success delivering software projects , particularly API and system integration work. Desirable: Exposure to hardware projects or integrating software solutions with physical systems. Knowledge of digital ticketing and rail retail systems. More ❯

join a strategic system upgrade programme within a leading financial services organisation. This role focuses on upgrading the Algo Collateral Management System, ensuring robust interface validation and seamless system integration across key business and technology functions. Role & Responsibilities: Develop and execute detailed test plans, cases, and scripts for the system upgrade. Validate inbound and outbound interfaces, ensuring data integrity … and functional accuracy. Collaborate with business analysts, developers, and project managers to define and test requirements. Conduct System Integration Testing (SIT) and support User Acceptance Testing (UAT). Identify, document, and manage defects using tools such as JIRA. Ensure compliance with internal QA standards and contribute to test reporting and sign-off. Essential Skills & Requirements: Proven experience as a … System or Senior Test Analyst on complex system upgrade or integration projects. Strong knowledge of system testing methodologies and tools. Experience testing interfaces (file-based and API integrations). Proficiency with SQL for data validation and backend testing. Solid understanding of collateral management, settlements, or post-trade processing within financial services. Prior experience with SmartStream or Algo Collateral More ❯

scale. WHAT YOU WILL DO • Own the end-to-end solution design technical deployment for new Connect implementations • Work directly with clients to understand business needs, technical environments, and integration requirements • Define architecture, data flows, authentication methods, and system configurations • Collaborate closely with engineers, project managers, and digital consultants to deliver solutions that are technically sound and practically deliverable … Create solution documentation, diagrams, and technical specifications to guide delivery • Support pre-sales conversations with technical expertise and design input • Champion best practices in integration, identity, and data architecture • Contribute to the continuous improvement of solution design processes WHAT YOU'LL BRING • Strong technical experience designing solutions across B2B SaaS platforms • Proven ability to lead solution design across identity … API integrations, and data provisioning • Working knowledge of platforms like Microsoft Entra ID (Azure AD), Workday, SAP SuccessFactors, or similar HRIS systems • Strong communicator who can translate complex concepts into clear technical plans • Experience working in cross-functional teams including engineers, consultants, and commercial stakeholders • A pragmatic, delivery-focused mindset – able to balance ideal solutions with client and timeline More ❯

scale. WHAT YOU WILL DO • Own the end-to-end solution design technical deployment for new Connect implementations • Work directly with clients to understand business needs, technical environments, and integration requirements • Define architecture, data flows, authentication methods, and system configurations • Collaborate closely with engineers, project managers, and digital consultants to deliver solutions that are technically sound and practically deliverable … Create solution documentation, diagrams, and technical specifications to guide delivery • Support pre-sales conversations with technical expertise and design input • Champion best practices in integration, identity, and data architecture • Contribute to the continuous improvement of solution design processes WHAT YOU'LL BRING • Strong technical experience designing solutions across B2B SaaS platforms • Proven ability to lead solution design across identity … API integrations, and data provisioning • Working knowledge of platforms like Microsoft Entra ID (Azure AD), Workday, SAP SuccessFactors, or similar HRIS systems • Strong communicator who can translate complex concepts into clear technical plans • Experience working in cross-functional teams including engineers, consultants, and commercial stakeholders • A pragmatic, delivery-focused mindset – able to balance ideal solutions with client and timeline More ❯

/MECM. Collaborate with Security to manage vulnerabilities, emergency patching, and compliance dashboards. Track vendor roadmaps, coordinate upgrades and end-of-support planning. Drive automation and efficiency using PowerShell, API integrations, and reporting tools. Act as the subject-matter authority for application lifecycle governance across our EUC platforms. What you’ll bring Proven experience in application or EUC lifecycle …/MECM. Strong understanding of patch and release governance within ITIL frameworks. Familiarity with Windows 10/11, macOS, iOS, and Android environments. Scripting or automation experience (PowerShell, REST API, Bash). Excellent stakeholder skills – confident engaging vendors, IT Security, and end-user teams. Active SC clearance (essential). Why join Zero Plus Purpose-driven work – your expertise protects More ❯

/MECM. Collaborate with Security to manage vulnerabilities, emergency patching, and compliance dashboards. Track vendor roadmaps, coordinate upgrades and end-of-support planning. Drive automation and efficiency using PowerShell, API integrations, and reporting tools. Act as the subject-matter authority for application lifecycle governance across our EUC platforms. What you’ll bring Proven experience in application or EUC lifecycle …/MECM. Strong understanding of patch and release governance within ITIL frameworks. Familiarity with Windows 10/11, macOS, iOS, and Android environments. Scripting or automation experience (PowerShell, REST API, Bash). Excellent stakeholder skills – confident engaging vendors, IT Security, and end-user teams. Active SC clearance (essential). Why join Zero Plus Purpose-driven work – your expertise protects More ❯

in SailPoint IdentityNow configuration and deployment. Strong understanding of Identity and Access Management (IAM) concepts, particularly JML lifecycle management. Hands-on experience with connector configuration, workflow design, transforms and API integration. Familiarity with Identity Governance best practices. Experience with SailPoint IdentityIQ or other IAM platforms (desirable). Role Assist with the configuration and deployment of the SailPoint IdentityNow platform. … Design, build and implement Joiner-Mover-Leaver (JML) lifecycle processes. Configure connectors, lifecycle events, workflows and transforms to integrate with internal and external systems. Develop and test API connections between SailPoint and connected applications. Produce comprehensive technical documentation covering configuration, workflows and integration details. More ❯

products Collaborate with sales and product teams to define and present tailored value propositions to (Re) Insurance Market clients Design and deliver technical architectures focused on connectivity, messaging, and API integrations Provide thought leadership and contribute to strategic roadmap for (Re) Insurance Market solutions Develop and maintain strong relationships with key stakeholders including brokers, carriers, reinsurers, technology partners and … sector Deep understanding of (Re) Insurance Market operations, including placement, claims, and accounting workflows in the London and Global market. Strong technical knowledge of connectivity products, market standards, and API-based integrations. Experience with SaaS platforms and digital transformation initiatives More ❯

products Collaborate with sales and product teams to define and present tailored value propositions to (Re) Insurance Market clients Design and deliver technical architectures focused on connectivity, messaging, and API integrations Provide thought leadership and contribute to strategic roadmap for (Re) Insurance Market solutions Develop and maintain strong relationships with key stakeholders including brokers, carriers, reinsurers, technology partners and … sector Deep understanding of (Re) Insurance Market operations, including placement, claims, and accounting workflows in the London and Global market. Strong technical knowledge of connectivity products, market standards, and API-based integrations. Experience with SaaS platforms and digital transformation initiatives More ❯