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Api
Bellasize
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Minimum of 8 years' applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
Minimum of 8 years' applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
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As the Lead Developer, you will be working across the full stack, with a primary focus on React-based front-end applications, while also contributing to back-end architecture and API integration.
As the Lead Developer, you will be working across the full stack, with a primary focus on React-based front-end applications, while also contributing to back-end architecture and API integration.
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Leading the end-to-end migration of the clientsweb application, API, and databasefrom Azure to AWS.
Leading the end-to-end migration of the clientsweb application, API, and databasefrom Azure to AWS.
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Document systems integrations, API behaviour, data flows, and authentication patterns * Produce technical documentation: integration guides, sequence diagrams, API specs * Ability to create technical artefacts: sequence diagrams, data flows, API specifications
Document systems integrations, API behaviour, data flows, and authentication patterns * Produce technical documentation: integration guides, sequence diagrams, API specs * Ability to create technical artefacts: sequence diagrams, data flows, API specifications
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Lead Automation Test Engineer
Lead Automation Test Engineer
Vallum Associates Limited
Sheffield (S1)
From £450 to £500 per day Inside IR35
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing
Experience of using automation tools such as Selenium web driver IO (WDIO) / Cucumber etc, Selenium for UI testing and RestAssured for API testing
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The focus is on developing robust APIs using Symfony API Platform alongside performant, user-friendly interfaces built with Next.js and React. * Designing and building API endpoints and business logic using Symfony (PHP) & API Platform
The focus is on developing robust APIs using Symfony API Platform alongside performant, user-friendly interfaces built with Next.js and React. * Designing and building API endpoints and business logic using Symfony (PHP) & API Platform
You'll play a key role in ensuring the quality and reliability of the platform, from web and mobile apps to API integrations. * Support ongoing projects and upcoming API integration initiatives * Has experience testing UIs; exposure to API testing with Postman is highly desirable * Experience with fintech or API-driven SaaS products
You'll play a key role in ensuring the quality and reliability of the platform, from web and mobile apps to API integrations. * Support ongoing projects and upcoming API integration initiatives * Has experience testing UIs; exposure to API testing with Postman is highly desirable * Experience with fintech or API-driven SaaS products
Document systems integrations, API behaviour, data flows, and authentication patterns * Produce technical documentation: integration guides, sequence diagrams, API specs * Ability to create technical artefacts: sequence diagrams, data flows, API specifications
Document systems integrations, API behaviour, data flows, and authentication patterns * Produce technical documentation: integration guides, sequence diagrams, API specs * Ability to create technical artefacts: sequence diagrams, data flows, API specifications
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Provide architectural guidance on MDM platform selection, cloud vs. on-prem deployment, and integration patterns (API, ETL, messaging).
Provide architectural guidance on MDM platform selection, cloud vs. on-prem deployment, and integration patterns (API, ETL, messaging).
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Proven experience working with Shopify development, including theme customisation and API use.
Proven experience working with Shopify development, including theme customisation and API use.
Drive best practices in platform engineering, cloud infrastructure, and API design.
Drive best practices in platform engineering, cloud infrastructure, and API design.
Strong understanding of API development and relational databases
Strong understanding of API development and relational databases
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API Integration - Work with RESTful APIs and third-party services to enhance website functionality.
API Integration - Work with RESTful APIs and third-party services to enhance website functionality.
Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer (GCP) and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. * API-First Enablement: Enable API-first delivery with reusable patterns and golden paths for API producers and consumers. * Strong API design and security skills (REST/OpenAPI, authN/Z, mTLS, certificate lifecycle). o Apigee for API Management * Desirable: Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, relevant GCP certifications. * Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, Google Professional Cloud Architect or GCP DevOps certificatio
Join our Cloud Native Engineering Lab as a Senior Cloud Platform Engineer (GCP) and help us design, build, and operate secure, automated cloud platforms that empower product teams to deliver API-first services at pace and with confidence. * API-First Enablement: Enable API-first delivery with reusable patterns and golden paths for API producers and consumers. * Strong API design and security skills (REST/OpenAPI, authN/Z, mTLS, certificate lifecycle). o Apigee for API Management * Desirable: Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, relevant GCP certifications. * Harness, HashiCorp Vault, Dynatrace, Docker/buildah, NodeJS for API tooling, Google Professional Cloud Architect or GCP DevOps certificatio
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Use automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium (UI), and RestAssured (API). * Exposure to SailPoint IdentityIQ, identity warehousing, and ingestion formats: SCIM, REST API, LDAP, OIDC, CSV. * API testing, API Gateway testing, and Batch/ETL testing.
Use automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium (UI), and RestAssured (API). * Exposure to SailPoint IdentityIQ, identity warehousing, and ingestion formats: SCIM, REST API, LDAP, OIDC, CSV. * API testing, API Gateway testing, and Batch/ETL testing.
Develop, execute, and maintain automated test frameworks and scripts for web, API, database, and cloud-based applications. * Hands-on experience with automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium UI, and RestAssured for API testing. * API Testing, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, identity warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Develop, execute, and maintain automated test frameworks and scripts for web, API, database, and cloud-based applications. * Hands-on experience with automation tools such as Selenium WebDriver IO (WDIO), Cucumber, Selenium UI, and RestAssured for API testing. * API Testing, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, identity warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Strong theoretical and practical knowledge of API and database testing. * Exposure to AD/ADLDS, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, Identity Warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Strong theoretical and practical knowledge of API and database testing. * Exposure to AD/ADLDS, API Gateway testing, Batch/ETL testing. * Experience with SailPoint IdentityIQ, Identity Warehousing, SCIM, REST API, LDAP, OIDC, CSV ingestion.
Lead Wev Developer (React | TypeScript | Java | Spring) | Leeds City Centre, 4 days p/week in office | £60,000 - £70,000 - I'm currently partnered with a global software provider delivering data-driven, high-performance web applications. They're looking for a Lead Web Developer to take ownership of a major front-end modernisation project and help guide the next phase of their product development. This is an exciting opportunity for an experienced developer who thrives in a technical leadership role - someone who enjoys setting architectural direction, mentoring engineers, and remaining hands-on with code. * Lead the design and development of full stack web applications using React and TypeScript on the front end, and Java/Spring on the back end. * Drive a key front-end migration project to deliver a cleaner, faster, and more scalable user experience.
Lead Wev Developer (React | TypeScript | Java | Spring) | Leeds City Centre, 4 days p/week in office | £60,000 - £70,000 - I'm currently partnered with a global software provider delivering data-driven, high-performance web applications. They're looking for a Lead Web Developer to take ownership of a major front-end modernisation project and help guide the next phase of their product development. This is an exciting opportunity for an experienced developer who thrives in a technical leadership role - someone who enjoys setting architectural direction, mentoring engineers, and remaining hands-on with code. * Lead the design and development of full stack web applications using React and TypeScript on the front end, and Java/Spring on the back end. * Drive a key front-end migration project to deliver a cleaner, faster, and more scalable user experience.
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3rd party API integration experience * A diverse range of projects (front-end builds all the way to custom API's)
3rd party API integration experience * A diverse range of projects (front-end builds all the way to custom API's)
Minimum of 15 years applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
Minimum of 15 years applied experience as an API engineer * Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
The ideal candidate should not only have technical proficiency in data structures, automation technologies, API interactions, and cloud services, but also exhibit a strong drive to research, investigate, and collaborate effectively within the organization. Experience with API development and integrations with platforms such as Kong API Gateway (ideal), Apigee, AWS API GW, Azure API GW, etc API Integration and Management: Expertise in querying, integrating, and managing APIs. Capable of constructing and executing API calls for data retrieval, updates, and inter-service communication.
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This is an exciting opportunity to contribute to the development of our cutting-edge MACH-based digital platform (Microservices, API-first, Cloud-Native, and Headless), which powers over 50 websites and Mobile Applicationsincluding some of the biggest names in retail.
This is an exciting opportunity to contribute to the development of our cutting-edge MACH-based digital platform (Microservices, API-first, Cloud-Native, and Headless), which powers over 50 websites and Mobile Applicationsincluding some of the biggest names in retail.
Hands-on experience with service mesh, policy management, or API gateways is a plus.
Hands-on experience with service mesh, policy management, or API gateways is a plus.
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Technical Lead Software Engineer - eCommerce
Technical Lead Software Engineer - eCommerce
Circle Group
Leeds (LS1)
£75000 - £95000 per annum + remote+bens
Location: Remote - 1 day a month in the office, Manchester, Leeds or Sheffield are a very commutable distance to HQ - If you're the kind of developer who enjoys solving complex problems, building slick digital experiences, and leading from the front - this could be your next challenge. This growing online retailer (we can't name names, but you've almost definitely shopped with them) is looking for a Senior / Tech Lead Software Engineer to help shape the next generation of their eCommerce platform. You'll guide a small talented development team, take ownership of key projects, be no.2 to the Head of Engineering and make a real impact on how millions of customers shop online. * Leading software development projects from concept to delivery. * Designing scalable, high-performing architectures that keep things running smoothly.
Location: Remote - 1 day a month in the office, Manchester, Leeds or Sheffield are a very commutable distance to HQ - If you're the kind of developer who enjoys solving complex problems, building slick digital experiences, and leading from the front - this could be your next challenge. This growing online retailer (we can't name names, but you've almost definitely shopped with them) is looking for a Senior / Tech Lead Software Engineer to help shape the next generation of their eCommerce platform. You'll guide a small talented development team, take ownership of key projects, be no.2 to the Head of Engineering and make a real impact on how millions of customers shop online. * Leading software development projects from concept to delivery. * Designing scalable, high-performing architectures that keep things running smoothly.
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Senior Software Engineer
Senior Software Engineer
Beamost Ltd
Leeds (LS1)
From £90,000 to £150,000 per annum depending on experience.
We are looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working on low-latency, high-performance applications. What Youll Do * Maintain, extend, and optimise an existing Python-based trading application * Add new features and improve current capabilities with a focus on performance, reliability and clean architecture * Build and optimise real-time pipelines handling high-frequency data * Improve latency, throughput, and reliability using profiling and performance engineering
We are looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working on low-latency, high-performance applications. What Youll Do * Maintain, extend, and optimise an existing Python-based trading application * Add new features and improve current capabilities with a focus on performance, reliability and clean architecture * Build and optimise real-time pipelines handling high-frequency data * Improve latency, throughput, and reliability using profiling and performance engineering