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98 Permanent API jobs in Southwark (SE1) + 20 miles
451 exact matches jobs are outside your preferred location
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Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
Senior Backend Engineer - London - Hybrid (1x day a week) Salary: Up to £80k DOE - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focused Senior engineer looking to start an ambitious business. The Role - We're looking for a Backend Engineer with strong Python skills and experience building scalable cloud-based microservices, ideally with FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do * Design, build, and maintain Python microservices (FastAPI) in production * Own features end-to-end: design, build, test, deploy, monit
London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
London (Hybrid 1x Per week) Salary: Up to £100k + Benefits - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and foster a culture of engineering excellence.
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.Net Developer - Hybrid Remote
.Net Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
KT14, West Byfleet
From £55,000 to £65,000 per annum + Benefits
.Net Developer Location: Flexible Hybrid Home / Byfleet Salary: Circa 55k 65k + Benefits .Net Developer required by fast-growing, technology-led company! This is a diverse, challenging role in a talented team where youll be responsible for developing a variety of complex projects * At least 3yrs development experience * Skills in C#, VB.Net * ASP.Net, Blazor, WPF * RESTful APIs Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to keep up to date with emerging technologies and enjoy a healthy work/life balance! Apply now for FULL details!
.Net Developer Location: Flexible Hybrid Home / Byfleet Salary: Circa 55k 65k + Benefits .Net Developer required by fast-growing, technology-led company! This is a diverse, challenging role in a talented team where youll be responsible for developing a variety of complex projects * At least 3yrs development experience * Skills in C#, VB.Net * ASP.Net, Blazor, WPF * RESTful APIs Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to keep up to date with emerging technologies and enjoy a healthy work/life balance! Apply now for FULL details!
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The Company - A well-established and specialist commercial insurer operating across domestic and international markets. The organisation offers a comprehensive portfolio of innovative risk solutions and services to businesses of all sizes, with a strong emphasis on data-driven decision-making and digital transformation. The Role - This position will lead the development and delivery of enterprise-wide data solutions. The role combines technical leadership, stakeholder engagement, and hands-on execution to support business growth and operational excellence through advanced analytics and data strategy. Key Responsibilities * Develop and lead the execution of data and analytics strategies aligned to wider business objectives. * Design and deploy advanced analytical models and dashboards to extract insights, forecast trends, and inform strategic decision-making.
The Company - A well-established and specialist commercial insurer operating across domestic and international markets. The organisation offers a comprehensive portfolio of innovative risk solutions and services to businesses of all sizes, with a strong emphasis on data-driven decision-making and digital transformation. The Role - This position will lead the development and delivery of enterprise-wide data solutions. The role combines technical leadership, stakeholder engagement, and hands-on execution to support business growth and operational excellence through advanced analytics and data strategy. Key Responsibilities * Develop and lead the execution of data and analytics strategies aligned to wider business objectives. * Design and deploy advanced analytical models and dashboards to extract insights, forecast trends, and inform strategic decision-making.
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Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
Robert Half Technology are assisting a market leading financial services (fintech) organisation to recruit a AI Engineer on a contract basis - Hybrid working - London based - The AI Engineer will join a cross-functional data team to design, develop, and deploy AI/ML models that tackle real business problems - from prediction and automation to customer personalisation and decision intelligence. You'll play a hands-on role in taking models from concept to production and shaping best practices across the AI lifecycle. Role * The AI Engineer will build and deploy scalable machine learning models in a cloud-native environment (AWS, GCP or Azure) * Collaborate with data engineers, analysts, and product teams to translate business needs into AI-driven solutions * Contribute to the development of data pipelines and feature engineering workflows
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Job Title: Business Intelligence (BI) Analyst - Location: Milton Keynes (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand
Job Title: Business Intelligence (BI) Analyst - Location: Milton Keynes (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand
FEATURED
Job Title: Business Intelligence (BI) Analyst - Location: Cambridge (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand and
Job Title: Business Intelligence (BI) Analyst - Location: Cambridge (2 days on-site) Salary: £35,000 - £50,000 DOE + Bonus - About Us - We're a fast-growing data consultancy helping forward-thinking clients transform their customer engagement through intelligent use of CRM platforms and AI. We specialise in building integrated data ecosystems that drive smarter business decisions, better customer insights, and measurable ROI. Our clients range from scaling SaaS startups to global enterprises across sectors like retail, finance, technology, and healthcare. We work at the intersection of data, automation, and customer intelligence. As we scale, we're looking for a talented BI Analyst to join our analytics team and help our clients extract true business value from their data. The Role - As a BI Analyst, you will play a critical role in helping our clients understand and
FEATURED
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Central London - Hybrid (two days per week in the office) Salary Up to £80,000 + Bonus - Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Senior HRIS Technical Analyst to join the Global Business Systems division. In this hands-on technical role, you'll serve as a trusted expert on HR systems and a critical support partner to the HR team, with a focus on Workday and its integrations. Your work will ensure smooth system operations, enable greater automation, and play a pivotal role in advancing our HR technology landscape. * Act as the technical subject matter expert for Workday and HR systems * Maintain and enhance system integrations using EIB, Workday Studio, Web Services (REST, SOAP), and related APIs * Provide 2nd and 3rd line support, translating business needs into technical sol
Central London - Hybrid (two days per week in the office) Salary Up to £80,000 + Bonus - Method Resourcing is thrilled to be partnering with a global leader in the travel services and benefits sector. They're looking for a Senior HRIS Technical Analyst to join the Global Business Systems division. In this hands-on technical role, you'll serve as a trusted expert on HR systems and a critical support partner to the HR team, with a focus on Workday and its integrations. Your work will ensure smooth system operations, enable greater automation, and play a pivotal role in advancing our HR technology landscape. * Act as the technical subject matter expert for Workday and HR systems * Maintain and enhance system integrations using EIB, Workday Studio, Web Services (REST, SOAP), and related APIs * Provide 2nd and 3rd line support, translating business needs into technical sol
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Exposure to Swift Vapor for server-side API development (desirable, not essential).
Exposure to Swift Vapor for server-side API development (desirable, not essential).
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
GU21, Woking
From £45,000 to £60,000 per annum Salary + Benefits + Bonus
Web API, HTML, CSS, Web Services, JQuery and JavaScript
Web API, HTML, CSS, Web Services, JQuery and JavaScript
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Knowledge / hands -on with the following tech is a huge advantage - SQL, Rest API's, Postman, SOAP, Automation scripting
Knowledge / hands -on with the following tech is a huge advantage - SQL, Rest API's, Postman, SOAP, Automation scripting
PREMIUM
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Solid understanding of API development, event-driven architecture, and asynchronous programming
Solid understanding of API development, event-driven architecture, and asynchronous programming
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Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
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Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
Skills C#, .NET .NETCore, C#, ASP .NET, Typescript, JavaScript, MVC, SQL Server, AGILE, Angular, React, Software Developer, Software engineer, Graduate Developer, Web applications, API, CMS, Umbraco, Sitefinity
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Experience with API-first design and integration of RegTech tools.
Experience with API-first design and integration of RegTech tools.
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Enterprise Architect
Enterprise Architect
Cambridge University Press & Assessment
Cambridge, Cambridgeshire
From £70,400 to £94,100 per annum
Familiarity with enterprise integration patterns, API management, and microservices.
Familiarity with enterprise integration patterns, API management, and microservices.
NEWFEATURED
• REST API, EDI, and other integration technologies.
• REST API, EDI, and other integration technologies.
PREMIUM
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The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
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Full Stack Developer
Full Stack Developer
Rise Technical Recruitment Limited
London
£60000.00 - £70000.00 per annum + + Equity
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
PREMIUM
Full Stack Developer
Full Stack Developer
Rise Technical Recruitment Limited
London
£60000.00 - £70000.00 per annum + + Equity
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
PREMIUM
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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Senior Software Engineer / Software Developer
Senior Software Engineer / Software Developer
AWD Online
MK44, Bedford
From £60,000 to £70,000 per annum + Benefits
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
We have a fantastic new job opportunity for a Senior Software Engineer / Software Developer who has proven software application development experience across the stack C#, ASP, .NET, Blazor, API Development, Microservices, Containers and Deployment Pipelines. * Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines
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We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
NEWFEATURED
Proficient in API design, development & production operation
Proficient in API design, development & production operation