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- The City, City (EC3)
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76 Permanent API jobs in Notting Hill + 20 miles
276 exact matches jobs are outside your preferred location
LSEG is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and driving penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork. Key Responsibilities * Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. * Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight. * Compile technical scoping documents, track and document assessment metadata - o Engagement details (who, what, when, where) o Testing team members and roles - o Tools and methodologies used - o Schedule and timelines
LSEG is seeking a Senior Penetration Tester to join our internal offensive security team. This role is hands-on and deeply technical, responsible for planning and driving penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with a passion for uncovering vulnerabilities and improving security posture through thorough testing and teamwork. Key Responsibilities * Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. * Take full ownership of assigned penetration testing engagements end-to-end and deliver with limited oversight. * Compile technical scoping documents, track and document assessment metadata - o Engagement details (who, what, when, where) o Testing team members and roles - o Tools and methodologies used - o Schedule and timelines
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Be trusted to make great things happen. Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients' problems head-on. It's a diverse and inclusive work environment where world-class talent knows no distinctions. We know that different people have different priorities, which is why we're here to support you. Flexible and remote working is a central part of our culture. So, talk to us about what's ideal for you from reduced weeks to buying more leave over school holidays. And if you're returning from a career break, ask us how we can help you transition back into work with us. AtkinsRéalis, Balfour Beatty and Egis Road Operations UK are part of a consortium, creating Connect Plus Services, a unique partnership with a collective strength in highways asse
Be trusted to make great things happen. Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients' problems head-on. It's a diverse and inclusive work environment where world-class talent knows no distinctions. We know that different people have different priorities, which is why we're here to support you. Flexible and remote working is a central part of our culture. So, talk to us about what's ideal for you from reduced weeks to buying more leave over school holidays. And if you're returning from a career break, ask us how we can help you transition back into work with us. AtkinsRéalis, Balfour Beatty and Egis Road Operations UK are part of a consortium, creating Connect Plus Services, a unique partnership with a collective strength in highways asse
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
Security Architecture Secure Design Team - Role: Senior Manager Secure Design (People Leader) Grade: GG14 - Security Architecture Design team is responsible for developing Security Architecture patterns; developing security controls needed for new technology; promoting the use of the architectural patterns into development projects; Leading the Security Architecture Design Forum; Evaluating architectural security risks in existing systems; Consulting with system development teams and architects on building security into their design. This role has responsibility for building and setting the direction of the team, and for the teams output. Reports to: Director - Security Architecture - Key relationships & committees * Security Domain Forum (chair) * CTO / Architecture Governance * Business Aligned Principal Security Architects * CyberSecurity Engineering
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Proficiency in REST API development
Proficiency in REST API development
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Familiarity with microservices architecture and API development (REST, GraphQL).
Familiarity with microservices architecture and API development (REST, GraphQL).
API-centric architectures.
API-centric architectures.
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We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
We're looking for a skilled Full-Stack Developer who thrives at the intersection of geospatial data, modern web technologies, and backend API development. Backend: Node.js, Python, .NET (or equivalent) API development * Proven experience in front-end mapping libraries and backend API development
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Strong understanding of JSON data structures and API calls.
Strong understanding of JSON data structures and API calls.
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Have practical knowledge of C#, Web API testing, Azure portal
Have practical knowledge of C#, Web API testing, Azure portal
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
The Hoddesdon site has state-of-the-art Good Manufacturing Practice (GMP) standard facilities for the development of Active Pharmaceutical Ingredients (API), Formulation Development (FD) and Process Chemistry (PC).
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Experience with relational databases and API design.
Experience with relational databases and API design.
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Senior Java Engineering Lead - Digital Markets Infrastructure
Senior Java Engineering Lead - Digital Markets Infrastructure
London Stock Exchange
South East
Competitive
Solid understanding of REST API design principles.
Solid understanding of REST API design principles.
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API development using technologies and standards like REST/GraphQL/gRPC or similar.
API development using technologies and standards like REST/GraphQL/gRPC or similar.
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API & integrations: Configure and manage connections with subscription management tools, sales and inventory systems, customer support tools, and cloud services. * API Integration: Ability to integrate third-party APIs and build custom features across the stack.
API & integrations: Configure and manage connections with subscription management tools, sales and inventory systems, customer support tools, and cloud services. * API Integration: Ability to integrate third-party APIs and build custom features across the stack.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
Proficiency in AWS services and serverless architecture including Lambda, API gateway, Elastic Beanstalk, EC2, S3, Aurora, Security Groups, and CloudWatch.
The Payin Platform is an internal API product. Our API product facilitates these inflows and presents a unified view of the money movement that consolidates all of these use-cases.
The Payin Platform is an internal API product. Our API product facilitates these inflows and presents a unified view of the money movement that consolidates all of these use-cases.
Experience defining product functional specifications including API, CLI and GUI
Experience defining product functional specifications including API, CLI and GUI
Demonstrated experience defining product specifications and user experiences across interfaces (API, CLI, GUI).
Demonstrated experience defining product specifications and user experiences across interfaces (API, CLI, GUI).
Previous experience working with various API Valves (including Anson, WOM, T3, Cameron) - essential
Previous experience working with various API Valves (including Anson, WOM, T3, Cameron) - essential
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Troubleshooting and configuring Privileged applications, Privileged ID Management, and API integrations.
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
Software Consulting Engineer – T&D Configuration Systems & Software Solutions
GE Vernova
UK
Competitive
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Drive the integration IEC 61850 engineering workflows (SCL-based ICD, SCD, SSD) into intuitive, automated tooling ecosystems aligned with modern UI/UX, API design, and utility integration requirements. * Knowledge of data modeling, API integration, network communications, and cybersecurity practices.
Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
Full Stack Developer .NET / Angular - Hybrid 2 -3 days based in Coleshill, Warwickshire (UK-based) | Permanent | Full-Time? Work on a global SaaS platform transforming recruitment tech - Microsoft Partner | Cutting-Edge Greenfield Projects | Agile Delivery - About Mercury - Mercury is a fast-growing SaaS business operating in close partnership with Microsoft. We specialise in delivering market-leading recruitment technology to professional staffing sectors worldwide. Our flagship product is a custom-built Applicant Tracking System (ATS) built on Microsoft Dynamics 365, tailored specifically for recruitment agencies and talent-focused businesses. With a modern tech stack and a culture of innovation, were on a mission to transform how recruitment businesses operate empowering them with scalable, intuitive software solutions. The Role
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Hogarth - Job OverviewHogarthAdvertising United Kingdom , London, UKApply Now - Hogarth is the Global Content Experience Company. Part of WPP, Hogarth partners with one in every two of the world's top 100 brands including Coca-Cola, Ford, Rolex, Nestlé, Mondelez and Dyson. With a breadth of experience across an extensive range of sectors, Hogarth offers the unrivaled ability to deliver relevant, engaging, and measurable content across all channels and media - both established and emerging. The number of channels at our fingertips; the need for speed; and the drive for mass personalisation, all mean that brands need different solutions. Our global team of over 7,500 craft and technology experts brings together creative, production and innovation to help clients navigate this exciting and ever-changing world of today's content experience. A Hybrid working model
Hogarth - Job OverviewHogarthAdvertising United Kingdom , London, UKApply Now - Hogarth is the Global Content Experience Company. Part of WPP, Hogarth partners with one in every two of the world's top 100 brands including Coca-Cola, Ford, Rolex, Nestlé, Mondelez and Dyson. With a breadth of experience across an extensive range of sectors, Hogarth offers the unrivaled ability to deliver relevant, engaging, and measurable content across all channels and media - both established and emerging. The number of channels at our fingertips; the need for speed; and the drive for mass personalisation, all mean that brands need different solutions. Our global team of over 7,500 craft and technology experts brings together creative, production and innovation to help clients navigate this exciting and ever-changing world of today's content experience. A Hybrid working model
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Strong technical skills: HTML, CSS, basic JavaScript, API integrations, Workato and troubleshooting.
Related Jobs
Locations
- The City, City (EC3)
- Southwark
- Frimley
- Shadwell
- Soho
- The City, City (EC4)
- Bishopsgate
- Charing Cross
- Chelsea
- Covent Garden
- City of London
- Central London
- West End
- South West London
- Cambridge
- East London
- Reading
- Woking
- Maidenhead
- Bedford
- London
- Berkshire
- Surrey
- Hertfordshire
- Cambridgeshire
- Bedfordshire
- Buckinghamshire
- Oxfordshire
- Essex
- Kent
- South East
- East Anglia