Date posted
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Locations
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Salaries
Date posted
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Job types
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- Moorgate
- St James
- Drybridge Hill
- The City, City (EC2)
- The City, City (EC3)
- Canary Wharf
- Charing Cross
- Datchet Common
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17 API jobs in Billericay + 20 miles
)
Full Stack Developer (FinTech/ Insurance)
Full Stack Developer (FinTech/ Insurance)
Ernest Gordon Recruitment
Basildon (SS13)
£45000 - £55000 per annum + Training, Progression, Company Benefit,
Basildon - Hybrid £45,000 - £55,000 + Training + Progression + Healthcare Coverage + Benefits - Are you a Full Stack Developer with a strong front-end focus, looking to join a talented team building cutting-edge websites for global FinTech clients, using modern technologies and receiving great training to support your progression into a senior role? Are you looking to join a company that genuinely invests in your future, with unlimited training opportunities and a best-in-class e-learning platform designed to keep you ahead of the curve in a fast-evolving tech landscape? This company have become a true disruptor in the insurance industry, seamlessly blending cutting-edge technology with every aspect of the sector. Their intelligent automation solutions are helping insurance firms stay agile, competitive, and efficient by streamlining traditionally time-consuming processes.
Basildon - Hybrid £45,000 - £55,000 + Training + Progression + Healthcare Coverage + Benefits - Are you a Full Stack Developer with a strong front-end focus, looking to join a talented team building cutting-edge websites for global FinTech clients, using modern technologies and receiving great training to support your progression into a senior role? Are you looking to join a company that genuinely invests in your future, with unlimited training opportunities and a best-in-class e-learning platform designed to keep you ahead of the curve in a fast-evolving tech landscape? This company have become a true disruptor in the insurance industry, seamlessly blending cutting-edge technology with every aspect of the sector. Their intelligent automation solutions are helping insurance firms stay agile, competitive, and efficient by streamlining traditionally time-consuming processes.
FEATURED
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Graduate Data Analyst - Python
Graduate Data Analyst - Python
CV Screen Ltd
Greenwich, South East London (SE10), SE10
£28k - 33k per year + Benefits
Understanding of data visualisation and basic API integration concepts.
Understanding of data visualisation and basic API integration concepts.
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Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Software Automation QA
Software Automation QA
Profile 29
Loughton (IG10), IG10
From £50,000 to £60,000 per annum + benefits (see advert)
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Conduct comprehensive testing of various API's used by affiliates and other third-party service providers
Senior Full Stack Web Developer
Senior Full Stack Web Developer
Profile 29
Loughton (IG10), IG10
From £80,000 to £100,000 per annum + benefits (see advert)
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
As a member of their team, you will have the opportunity to work on their public-facing API and back-office websites in a Test-Driven Agile environment.
)
Delphi Developer
Delphi Developer
Octad Recruitment Consultants (Octad Ltd )
Wickford (SS11)
From £50,000 to £70,000 per annum Good Benefits
We are seeking an experienced Delphi / SQL Developerto join our client's growing development team and work on large-scale, business-critical enterprise applications used by global clients. This is a senior technical role focused on maintaining, enhancing, and modernising a complex Delphi-based system with a strong SQL Server backend. If you enjoy solving complex problems, working with mature codebases, and contributing to long-term system stability, this role will suit you perfectly. Key Responsibilities * Maintain, support, and enhance existing Delphi enterprise applications. * Diagnose and resolve complex defects, performance issues, and system bottlenecks. * Work closely with business users to translate requirements into technical solutions. * Produce clear documentation for updates, fixes, and new features. * Participate in sprint planning, estimation, and code reviews.
We are seeking an experienced Delphi / SQL Developerto join our client's growing development team and work on large-scale, business-critical enterprise applications used by global clients. This is a senior technical role focused on maintaining, enhancing, and modernising a complex Delphi-based system with a strong SQL Server backend. If you enjoy solving complex problems, working with mature codebases, and contributing to long-term system stability, this role will suit you perfectly. Key Responsibilities * Maintain, support, and enhance existing Delphi enterprise applications. * Diagnose and resolve complex defects, performance issues, and system bottlenecks. * Work closely with business users to translate requirements into technical solutions. * Produce clear documentation for updates, fixes, and new features. * Participate in sprint planning, estimation, and code reviews.
.NET Developer
.NET Developer
Octad Recruitment Consultants (Octad Ltd )
Wickford (SS11)
From £35,000 to £55,000 per annum Good Benefits
Were looking for a talented .NET Windows Developerto help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with:C#, .NET / .NET Core, WinForms/WPF, SQL Server, REST APIs, Azure Ideal for:Developers who love problem-solving, clean architecture, and delivering production-ready software. If youre ready to take on meaningful technical challenges in a supportive, forward-thinking team, wed love to hear from you if you have 3 years commercial experience. This role is hybrid with Monday and Wednesday in the office
Were looking for a talented .NET Windows Developerto help build, modernise, and support business-critical Windows applications for this fantastic Software Consultancy. If you enjoy C#, SQL Server, system integrations, and transforming legacy code into clean, modern.NET solutions, this is a great opportunity to make a real impact. Work with:C#, .NET / .NET Core, WinForms/WPF, SQL Server, REST APIs, Azure Ideal for:Developers who love problem-solving, clean architecture, and delivering production-ready software. If youre ready to take on meaningful technical challenges in a supportive, forward-thinking team, wed love to hear from you if you have 3 years commercial experience. This role is hybrid with Monday and Wednesday in the office
Security architecture fundamentals * API, integration, and middleware technologies
Security architecture fundamentals * API, integration, and middleware technologies
Integration technologies (API, message-based, OT interfaces, middleware)
Integration technologies (API, message-based, OT interfaces, middleware)
Application Support Engineer - 12 months' Fixed Term Contract
Application Support Engineer - 12 months' Fixed Term Contract
RTX Technologies
Harlow, London
Competitive
2026-03-10 - United Kingdom - Harlow, Essex - Hybrid - Job Title: Application Support Engineer - Grade: P3 - Function: DT - Location: Harlow (Hybrid) Clearance: SC Eligible - Duration: Fixed Term Contract 12 months - Hours: Full Time 37 hours per week - Raytheon UK - At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.
2026-03-10 - United Kingdom - Harlow, Essex - Hybrid - Job Title: Application Support Engineer - Grade: P3 - Function: DT - Location: Harlow (Hybrid) Clearance: SC Eligible - Duration: Fixed Term Contract 12 months - Hours: Full Time 37 hours per week - Raytheon UK - At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.
Senior Application Operations Engineer - M25 - Highways - Permanent - Apply Now... About the Role - Step into a role that offers genuine growth, long-term stability and the chance to make a meaningful impact on one of the UK's most significant highways networks. As a Senior Application Operations Engineer , you will play a pivotal role in shaping how we manage and maintain the Brightly Confirm (RMMS) system-an essential platform supporting the safe and efficient operation of the M25. With just under 15 years remaining on this major project , this is an opportunity to build a lasting career while contributing to the continuous improvement of digital systems that keep our network moving. You will be part of an evolving organisation that values innovation, collaboration and forward thinking. Whether you're motivated by technical challenge, career progression or the chance to leave a ...
Senior Application Operations Engineer - M25 - Highways - Permanent - Apply Now... About the Role - Step into a role that offers genuine growth, long-term stability and the chance to make a meaningful impact on one of the UK's most significant highways networks. As a Senior Application Operations Engineer , you will play a pivotal role in shaping how we manage and maintain the Brightly Confirm (RMMS) system-an essential platform supporting the safe and efficient operation of the M25. With just under 15 years remaining on this major project , this is an opportunity to build a lasting career while contributing to the continuous improvement of digital systems that keep our network moving. You will be part of an evolving organisation that values innovation, collaboration and forward thinking. Whether you're motivated by technical challenge, career progression or the chance to leave a ...
Senior Digital Health Lead (Malaria)
Senior Digital Health Lead (Malaria)
P.A.T.H. (Plymouth Access To Housing) Limited
Barking, London
Competitive
Requires demonstrated experience in DHIS2 configuration, ETL pipeline construction, and API development, combined with the ability to architect, oversee, and technically guide complex digital health implementations.
Requires demonstrated experience in DHIS2 configuration, ETL pipeline construction, and API development, combined with the ability to architect, oversee, and technically guide complex digital health implementations.
570 exact matches jobs are outside your preferred location
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We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
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Manage and optimize Akamai security suites including: WAF, L7 Anti DDoS, Bot Manager Premier, API Security, Site Shield, API Acceleration. Akamai certifications (WAF, DDoS, Bot Manager, API Protector, Site Shield) are a strong plus.
Manage and optimize Akamai security suites including: WAF, L7 Anti DDoS, Bot Manager Premier, API Security, Site Shield, API Acceleration. Akamai certifications (WAF, DDoS, Bot Manager, API Protector, Site Shield) are a strong plus.
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Senior Data Scientist - 12 Month FTC
Senior Data Scientist - 12 Month FTC
Vitality Corporate Services Limited
Charing Cross, Central London (WC2), WC2R
£Competitive + Bonus + Benefits
Strong understanding of API development, microservices, and containerization (Docker, Kubernetes)
Strong understanding of API development, microservices, and containerization (Docker, Kubernetes)
PREMIUM
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API integration's
API integration's
FEATURED
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Lead .Net Developer
Lead .Net Developer
Halian Technology Limited
Central London (W1)
From £75,000 to £85,000 per annum Plus bonus and benfits
Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
Architect secure, high-performance API solutions using C#, .NET, and Azure. Ensure best practices in API design, security, and performance optimisation. Strong experience with RESTful API development and microservices architecture. Strong understanding of API security, authentication, and performance optimisation.
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Integrations Solution Architect
Integrations Solution Architect
Alexander Edward James Consulting Limited
City of London (EC1)
£100,000 per annum
Design and lead the delivery of enterprise integration solutions using MuleSoft and API-led architecture.
Design and lead the delivery of enterprise integration solutions using MuleSoft and API-led architecture.
Related Jobs
Locations
- Moorgate
- St James
- Drybridge Hill
- The City, City (EC2)
- The City, City (EC3)
- Canary Wharf
- Charing Cross
- Datchet Common
- Euston
- Grays Inn
- City of London
- Cambridge
- Central London
- West End
- South East London
- Loughton
- South West London
- Uxbridge
- East London
- Harlow
- London
- Cambridgeshire
- Essex
- Surrey
- Hertfordshire
- Kent
- Suffolk
- Berkshire
- Buckinghamshire
- South East
- East Anglia