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Salaries
Date posted
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Job types
Locations
- The City, City (EC4)
- Southwark
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- Arundel Heights
- Balmerlawn
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27 Permanent API jobs in Burpham, Guildford + 20 miles
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Senior .Net Integration Developer
Senior .Net Integration Developer
Rise Technical
Maidenhead, Berkshire
£50000.00 - £70000.00 per annum + + Training + Holiday
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
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Senior .Net Integration Developer
Senior .Net Integration Developer
Rise Technical Recruitment Limited
Maidenhead (SL6)
£50000.00 - £70000.00 per annum + + Training + Holiday
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
You will use your expertise in C#/.NET and modern APIs (REST, WebAPI, JSON, OAuth2) to build fault-tolerant, event-driven integrations, support customers and partners with API usage, and deliver clear, high-quality documentation while maintaining security, GDPR compliance, and operational reliability. Taking integration leadership, you will design and maintain well-documented financial and third-party integrations built on modern API standards. * Support customers and partners with integration setup and API usage
PREMIUM
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Software Engineer (C# .Net & Visual Studio)
Software Engineer (C# .Net & Visual Studio)
TECHNOLOGY RESOURCING LIMITED
Bellfields, Guildford (GU1), GU1
From £40,000 to £51,000 per annum Annual bonus (currently £4.5–6K)
A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, youll be solving real-world problems with modern tech.
A Breadth of Exciting Projects: From AI-powered analytics and Bluetooth tracking to route optimization and custom API development, youll be solving real-world problems with modern tech.
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Applications Support Analyst / Engineer
Applications Support Analyst / Engineer
Kudos Partners
Datchet Common, Slough (SL3), SL3
£75,000 per annum plus 12% bonus - generous benefits package
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
API support and monitoring tools (e.g., SolarWinds, AzureAppInsights)
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Data Engineer
Data Engineer
McGregor Boyall Associates Limited
Turnham Green, West London (W4), W4 1SY
£30000 - £35000 per annum
Develop API integrations to connect multiple business systems
Develop API integrations to connect multiple business systems
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Interact with API systems to query and retrieve data for analysis. * Knowledge of querying API systems.
Interact with API systems to query and retrieve data for analysis. * Knowledge of querying API systems.
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To work with a Senior Product Manager to continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. API product experience will be a further advantage. Thorough understanding of API development along with demonstrable experience of launching and maintaining B2B portals.
To work with a Senior Product Manager to continually improve The client's digital proposition, which could include product ownership of the newly introduced 'My The client' platform and commercial B2B API portal. Deliver innovative digital experiences to a global audience to improve conversion, revenue and third-party developers using the commercial B2B API portal. API product experience will be a further advantage. Thorough understanding of API development along with demonstrable experience of launching and maintaining B2B portals.
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Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
Windsor, UK - Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with - Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic * Sales an
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Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
Senior Software Developer
Senior Software Developer
Rise Technical
Guildford, Surrey
£55000 - £65000 per annum + Private Healthcare + Pension + Holiday
Guildford/Remote - 1 day a month on-site £55,000 - £65,000 + Remote + Private Medical Insurance + Life Insurance + Other Benefits - This is an excellent opportunity for a Software Engineer with a deep understanding of SIP, VoIP and Python to join a forward-thinking development team where you can further your skills and grow with an award-winning technology business. This company is an established technology partner and managed service provider, specialising in unified communications and cloud contact centre solutions. They help public and private sector organisations modernise their digital infrastructure with a focus on improving customer experience and operational efficiency through system integration and digital transformation. In this varied role you will take a lead in the development of an existing SIP platform.
Guildford/Remote - 1 day a month on-site £55,000 - £65,000 + Remote + Private Medical Insurance + Life Insurance + Other Benefits - This is an excellent opportunity for a Software Engineer with a deep understanding of SIP, VoIP and Python to join a forward-thinking development team where you can further your skills and grow with an award-winning technology business. This company is an established technology partner and managed service provider, specialising in unified communications and cloud contact centre solutions. They help public and private sector organisations modernise their digital infrastructure with a focus on improving customer experience and operational efficiency through system integration and digital transformation. In this varied role you will take a lead in the development of an existing SIP platform.
Senior Software Developer
Senior Software Developer
Rise Technical Recruitment Limited
Guildford (GU1)
£55000 - £65000 per annum + Private Healthcare + Pension + Holiday
Guildford/Remote - 1 day a month on-site £55,000 - £65,000 + Remote + Private Medical Insurance + Life Insurance + Other Benefits - This is an excellent opportunity for a Software Engineer with a deep understanding of SIP, VoIP and Python to join a forward-thinking development team where you can further your skills and grow with an award-winning technology business. This company is an established technology partner and managed service provider, specialising in unified communications and cloud contact centre solutions. They help public and private sector organisations modernise their digital infrastructure with a focus on improving customer experience and operational efficiency through system integration and digital transformation. In this varied role you will take a lead in the development of an existing SIP platform.
Guildford/Remote - 1 day a month on-site £55,000 - £65,000 + Remote + Private Medical Insurance + Life Insurance + Other Benefits - This is an excellent opportunity for a Software Engineer with a deep understanding of SIP, VoIP and Python to join a forward-thinking development team where you can further your skills and grow with an award-winning technology business. This company is an established technology partner and managed service provider, specialising in unified communications and cloud contact centre solutions. They help public and private sector organisations modernise their digital infrastructure with a focus on improving customer experience and operational efficiency through system integration and digital transformation. In this varied role you will take a lead in the development of an existing SIP platform.
PREMIUM
Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular). Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, and fe
Gatwick (1-2 days per week in office) £65-75k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Senior Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 1-2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications (we can consider React cross-training to Angular). Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, and fe
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Data Services Team Lead / Manager - Location: Epsom - Salary: Competitive - Team: 4 direct reports, with opportunity to grow * Hybrid working (2 days office / 3 days remote) * Private medical cover * Excellent pension contributions and bonus scheme * Car scheme for employees & family wellbeing support * 25+ days holiday plus volunteering leave * Onsite gym & other great facilities * Flexible working and extensive training options - We're looking for a driven, hands-on Data Services Team Lead / Manager to guide a team of data engineers, oversee daily operations and deliver high-quality data solutions for a well-established local client. The ideal individual is someone who enjoys being technical whilst also inspiring and developing their team. This role would also be a great opportunity for a Data Engineer who has led projects and is ready to step into a leadership posi
Data Services Team Lead / Manager - Location: Epsom - Salary: Competitive - Team: 4 direct reports, with opportunity to grow * Hybrid working (2 days office / 3 days remote) * Private medical cover * Excellent pension contributions and bonus scheme * Car scheme for employees & family wellbeing support * 25+ days holiday plus volunteering leave * Onsite gym & other great facilities * Flexible working and extensive training options - We're looking for a driven, hands-on Data Services Team Lead / Manager to guide a team of data engineers, oversee daily operations and deliver high-quality data solutions for a well-established local client. The ideal individual is someone who enjoys being technical whilst also inspiring and developing their team. This role would also be a great opportunity for a Data Engineer who has led projects and is ready to step into a leadership posi
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Full Stack .Net Developer (Angular v20/.Net 8 Microservices)
Full Stack .Net Developer (Angular v20/.Net 8 Microservices)
Hays
Gatwick (RH6)
£40000 - £55000 per annum + £40-55k + Benefits
Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications. Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, an
Full Stack .Net Developer (Angular v20 and .NET 8 Microservices) Gatwick (2 days per week in office) £40-55k + Benefits. Your new company - This leading financial and consulting business are looking to bolster their engineering team with a Full Stack .Net Developer to join their core team of 16 Devs. You will be working in their state-of-the-art offices near to Gatwick/Crawley and will be required to work 2 days per week in the office. Your new role - This is a full-stack, full software lifecycle role where Devs are encouraged to bring ideas to the table and challenge the status quo. From architecture and development through to deployment you'll play a key role in building cutting-edge solutions by developing .NET microservices and dynamic Angular front-end applications. Working in a collaborative Agile environment, you'll partner with product owners, QA engineers, an
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Along with this you should also have hands on experience with API testing tools (e.g., Postman, REST Assured) and performance tools (e.g., JMeter, Gatling).
Along with this you should also have hands on experience with API testing tools (e.g., Postman, REST Assured) and performance tools (e.g., JMeter, Gatling).
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
Woking (GU21)
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
The core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
The core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
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Application Developer
Application Developer
Wise Employment – Plymouth
Marshgate Trading Estate, Maidenhead (SL6), SL6
Market related
PowerShell scripting, API development
PowerShell scripting, API development
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8+ years of experience in Digital, CRM, or Commercial-related technology positions, including multi-market deployments of a CRM platform delivering API-first architectures centered on mobile and web engagement solutions, is required.
8+ years of experience in Digital, CRM, or Commercial-related technology positions, including multi-market deployments of a CRM platform delivering API-first architectures centered on mobile and web engagement solutions, is required.
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Proven track record and strong experience in software engineering, including experience in API and UI development.
Proven track record and strong experience in software engineering, including experience in API and UI development.
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
Define and manage the external access layer, creating a secure and governed API Gateway that empowers third-party developers to integrate independently. * Establish a consistent API publishing workflow for all internal squads, ensuring quality and governance as we scale our external offerings. You have a deep understanding of developer platforms and API ecosystems, with experience in both internal productivity and external integration. * Sector knowledge: You have technical fluency in areas like CI/CD, observability, API gateways, and infrastructure-as-code. Deliver a world-class external access layer, including a Developer Portal and governed API Gateway, to empower third-party developers to self-serve and integrate seamlessly.
At Person Centred Software, were building technology that makes a real difference in the lives of those in care. As a Software Engineer, youll contribute to the design and development of innovative software solutions that improve care outcomes across the UK. If you're passionate about writing clean, scalable code and collaborating within a high-performing, agile team, this is a fantastic opportunity to grow your impact in a meaningful sector. * Write clean, efficient, and maintainable code across the full software development life cycle * Develop front-end and back-end features using Microsoft .NET technologies, including Blazor and .NET Core * Collaborate with product managers and stakeholders to define requirements, acceptance criteria, and effort estimates * Ensure quality by writing unit and behaviour-driven tests (e.g., MS Test/XUnit, Playwright, Appium) for new
At Person Centred Software, were building technology that makes a real difference in the lives of those in care. As a Software Engineer, youll contribute to the design and development of innovative software solutions that improve care outcomes across the UK. If you're passionate about writing clean, scalable code and collaborating within a high-performing, agile team, this is a fantastic opportunity to grow your impact in a meaningful sector. * Write clean, efficient, and maintainable code across the full software development life cycle * Develop front-end and back-end features using Microsoft .NET technologies, including Blazor and .NET Core * Collaborate with product managers and stakeholders to define requirements, acceptance criteria, and effort estimates * Ensure quality by writing unit and behaviour-driven tests (e.g., MS Test/XUnit, Playwright, Appium) for new
NEW
At Person Centred Software, were building technology that makes a real difference in the lives of those in care. As a Frontend-focused Software Engineer, youll have a passion for User Interfaces and be experienced at working collaboratively with UI/UX designers, as well as Product Managers, Software Engineers, and Testers. You will contribute to the design and development of innovative software solutions that improve care outcomes across the UK. If you're passionate about writing clean, scalable code and collaborating within a high-performing, agile team, this is a fantastic opportunity to grow your impact in a meaningful sector. * Write clean, efficient, and maintainable code across the full software development life cycle * Develop front-end features using Microsoft .NET Blazor, while also contributing across the full-stack
At Person Centred Software, were building technology that makes a real difference in the lives of those in care. As a Frontend-focused Software Engineer, youll have a passion for User Interfaces and be experienced at working collaboratively with UI/UX designers, as well as Product Managers, Software Engineers, and Testers. You will contribute to the design and development of innovative software solutions that improve care outcomes across the UK. If you're passionate about writing clean, scalable code and collaborating within a high-performing, agile team, this is a fantastic opportunity to grow your impact in a meaningful sector. * Write clean, efficient, and maintainable code across the full software development life cycle * Develop front-end features using Microsoft .NET Blazor, while also contributing across the full-stack
Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth. Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks). Set QA/alerting SLAs, prioritise analytics backlog.
Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth. Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks). Set QA/alerting SLAs, prioritise analytics backlog.
Related Jobs
Locations
- The City, City (EC4)
- Southwark
- The City, City (EC3)
- Shoreditch
- The City, City (EC2)
- Arundel Heights
- Balmerlawn
- Bellfields
- Bloomsbury
- Causeway
- City of London
- Central London
- West End
- South East London
- Reading
- Southampton
- East London
- South West London
- Guildford
- Stevenage
- London
- Hampshire
- Berkshire
- Surrey
- Hertfordshire
- Oxfordshire
- Essex
- West Sussex
- Bedfordshire
- East Sussex
- South East