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14 Permanent API jobs in Cardiff Business Park + 20 miles
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Software Developer, C#, ASP.NET, MVC, COR7327B
Software Developer, C#, ASP.NET, MVC, COR7327B
Corriculo Ltd
Cardiff Gate, CF23
£55k - 75k per year + Benefits
Taking a lead role in the development and support of MVC and .NET web applications, as well as C# Console and API solutions, this Senior Software Developer role sits at the intersection of development leadership and hands-on technical coding and delivery. * Proficiency in JavaScript and Web API
Taking a lead role in the development and support of MVC and .NET web applications, as well as C# Console and API solutions, this Senior Software Developer role sits at the intersection of development leadership and hands-on technical coding and delivery. * Proficiency in JavaScript and Web API
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Build and maintain robust UI and API automation suites. Exposure to API automation and component testing (e.g., Postman).
Build and maintain robust UI and API automation suites. Exposure to API automation and component testing (e.g., Postman).
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Build and maintain robust UI and API automation suites. Exposure to API automation and component testing (e.g., Postman).
Build and maintain robust UI and API automation suites. Exposure to API automation and component testing (e.g., Postman).
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Experience with API automation (Postman or similar).
Experience with API automation (Postman or similar).
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You'll work closely with developers and product colleagues to ensure reliability, security, and performance across our API-driven systems. * Skilled in automated API testing and a programming language (ideally C#).
You'll work closely with developers and product colleagues to ensure reliability, security, and performance across our API-driven systems. * Skilled in automated API testing and a programming language (ideally C#).
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Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
Proficient in.NET (C#), JavaScript, Web API, SQL Server, and working knowledge ofHTML, CSS, XML, JSON.
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Location: Hybrid - Salary: £70,000 - We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals. * Work closely with stakeholders across departments to understand process needs, pain points, and emerging requirements.
Location: Hybrid - Salary: £70,000 - We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals. * Work closely with stakeholders across departments to understand process needs, pain points, and emerging requirements.
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Understanding of data architecture and API design.
Understanding of data architecture and API design.
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Lead Technical Architect
Lead Technical Architect
Intellectual Property Office
Rhiwderyn, NP10 8QQ
From £64,079 to £75,701 per annum
Your experience of developing API based solutions will be essential to improve our integration with both internal and external interfaces. * Experience of API-driven architecture, extensible, loosely coupled systems * API Design using Swagger or Postman
Your experience of developing API based solutions will be essential to improve our integration with both internal and external interfaces. * Experience of API-driven architecture, extensible, loosely coupled systems * API Design using Swagger or Postman
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Test Automation Engineer
Test Automation Engineer
Infoplus Technologies UK Ltd
Cardiff Business Park, CF14
From £450 to £500 per day Daily rates are within Inside IR35
Good to have API Automation experience/component integration testing experience with Postman or similar tools.
Good to have API Automation experience/component integration testing experience with Postman or similar tools.
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Full Stack .NET Developer - Azure - Cardiff
Full Stack .NET Developer - Azure - Cardiff
Circle Group
CF1, Cardiff
£40000 - £50000 per annum + + Benefits
You should also have some development experience in the Cloud with Azure & third-party API integrations
You should also have some development experience in the Cloud with Azure & third-party API integrations
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Full Stack .NET Developer - Azure - Cardiff
Full Stack .NET Developer - Azure - Cardiff
Circle Group
CF1, Cardiff
£40000 - £50000 per annum + + Benefits
You should also have some development experience in the Cloud with Azure & third-party API integrations
You should also have some development experience in the Cloud with Azure & third-party API integrations
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Full Stack .NET Developer - Azure - Cardiff
Full Stack .NET Developer - Azure - Cardiff
Circle Group
CF1, Cardiff
£40000 - £50000 per annum + + Benefits
You should also have some development experience in the Cloud with Azure & third-party API integrations
You should also have some development experience in the Cloud with Azure & third-party API integrations
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Job summary - We are seeking a highly skilled and motivatedLead Developer to join our dynamic Digital and Data team at Public Health Wales. You'll focus on solving complex challenges by leading the technical design, development, and delivery of high-quality digital solutions that support national health services. By taking impactful decisions, and driving the success of your team, you'll help shape the future of digital health services in Wales. It's a great time to join us as we're adopting new technologies and growing our technical professions. The role sits within the Research, Data and Digital Directorate and contributes directly to the organisation's strategic goals. You'll work closely with cross-functional teams, senior leaders, and external partners to help shape effective, future-ready services across the health system.
Job summary - We are seeking a highly skilled and motivatedLead Developer to join our dynamic Digital and Data team at Public Health Wales. You'll focus on solving complex challenges by leading the technical design, development, and delivery of high-quality digital solutions that support national health services. By taking impactful decisions, and driving the success of your team, you'll help shape the future of digital health services in Wales. It's a great time to join us as we're adopting new technologies and growing our technical professions. The role sits within the Research, Data and Digital Directorate and contributes directly to the organisation's strategic goals. You'll work closely with cross-functional teams, senior leaders, and external partners to help shape effective, future-ready services across the health system.
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48 exact matches jobs are outside your preferred location
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Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
Strong knowledge of API design, integration methods (REST, Webhooks, GraphQL), and authentication protocols (OAuth2, JWT).
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REST API development using C# and ASP.Net Core.
REST API development using C# and ASP.Net Core.
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Strong understanding of front-end frameworks (React, Next.js) and API integrations.
Strong understanding of front-end frameworks (React, Next.js) and API integrations.
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Experience with data migration, ETL processes, and API integrations.
Experience with data migration, ETL processes, and API integrations.
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Technical experience in areas suchas Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
Technical experience in areas suchas Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
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Senior Software Engineer (PHP, Typescript) - Trading
Senior Software Engineer (PHP, Typescript) - Trading
Hargreaves Lansdown
BS1, Bristol
£60000 - £80000 per annum + Pension, Bonus etc
Principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. * Third party API services integration experience.
Principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. * Third party API services integration experience.
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Technical experience in areas such as Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
Technical experience in areas such as Azure, .NET frameworks, API integrations, MS SQL Server and SSRS.
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Experience working with AWS (eg VPC, RDS, API Gateway, SES, Route53)
Experience working with AWS (eg VPC, RDS, API Gateway, SES, Route53)
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Backend engineer
Backend engineer
LA International Computer Consultants Ltd
SN13, Corsham
£500 - £600 per day + price in
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
Architect and implement backend services that support secure, air-gapped AI - deployments, with a focus on NLP-based tooling * Develop pipelines for transcription ingestion and real-time analytical insight - generation * Support graph and RAG-based inference layers using data from structured and - unstructured sources * Build and expose APIs for frontend consumption, enabling natural-language - querying, dynamic visualisation, and reporting * Ensure system portability via containerisation * Collaborate closely with data scientists to integrate self-hosted LLMs and - analysis models into the backend infrastructure * Work with platform engineers to tune deployments for hardware-limited - environments - What You Bring * Strong experience building secure, scalable backend systems in Python and/or - Go * Deep understanding of containerised services, particularly in Kuberne
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Description - Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm * Thrives at solving problems with minimal or no direction and developing their
Description - Continuing Defleet's data led journey and recognising the importance the Data & Analytics team performs in this regard, we are looking for a skilled Lead Data Engineer who is passionate about exploiting data and searching for improvements in our existing processes and technology; can work closely with business teams; drives solutions with a focused mentality on business value and can lead, influence and drive collaboration across teams and stakeholders. It will focus on expanding the existing mission critical ecosystem of Data and BI systems for analytics and decision making, using Primarily Data Warehouse/Mart, Data Lake, Self Service BI Tools and Data Science/ML platform using Oracle, Snowflake and AWS tech stack. Qualifications * Self-starter with initiative and enthusiasm * Thrives at solving problems with minimal or no direction and developing their
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Are you an experienced Salesforce Architect, looking to take on a challenging role, at a global, 500+ staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
Are you an experienced Salesforce Architect, looking to take on a challenging role, at a global, 500+ staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
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