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1 Contract API job in Southend-On-Sea + 20 miles
414 exact matches jobs are outside your preferred location
Power System & Product Development Engineer
Power System & Product Development Engineer
UK Power Networks (Operations) Limited
London
£80,574 a year
81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave Additional 18 days full pay and 22 unpaid * Personal Pension Plan Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan * Tax efficient benefits: Cycle to Work, Home & Tech, and Green Car Leasing Schemes * Occupationa
81357 - Power System & Product Development Engineer - This Power System & Product Development Engineer will report to the Network Access Manager and will work within DSO directorate based in our London office. You will be a permanent employee. You will attract a salary of £80,574.00 and a bonus of 3%. This role can also offer blended working after probationary period (6 months) - 3 days in the office and 2 remote - Close Date: 14/09/2025 - We also provide the following additional benefits * 25 Days Annual Leave plus bank holidays. * Reservist Leave Additional 18 days full pay and 22 unpaid * Personal Pension Plan Personal contribution rates of 4% or 5% (UK Power Networks will make a corresponding contribution of 8% or 10%) * Tenancy Loan Deposit Scheme, Season Ticket Loan * Tax efficient benefits: Cycle to Work, Home & Tech, and Green Car Leasing Schemes * Occupationa
Introduce new product offerings such as exotic currencies and API products * Extensive development skills and experience with Java, Spring, Hibernate, Open API, Log4J, etc.
Introduce new product offerings such as exotic currencies and API products * Extensive development skills and experience with Java, Spring, Hibernate, Open API, Log4J, etc.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
At least 2 years as an SA or at least 4 years in a similar customer-facing role, for example as a technical consultant, solution engineer or implementation engineer at an API-first (REST, GraphQL) SaaS company.
For example - Python with Fast API or Django.
For example - Python with Fast API or Django.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
The OpenPayd platform delivers a suite of banking and payments infrastructure: accounts in over 40 currencies, FX, on/off ramp, international and domestic payments, Open Banking services all via a single API.
A strong technical acumen and familiarity working with Jira, REST API, JSON, SAML SSO, and Azure DevOps
A strong technical acumen and familiarity working with Jira, REST API, JSON, SAML SSO, and Azure DevOps
Restful API Services experience
Restful API Services experience
Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
Automate API testing using tools such as Postman, RestAssured, or equivalent . * RestAssured (BDD), Postman (for API testing).
Guide teams in the adoption of best practices in API design, modularity, cloud-native patterns, and event-driven systems
Guide teams in the adoption of best practices in API design, modularity, cloud-native patterns, and event-driven systems
Large-scale data processing; data modeling; holistic, intent-based API design
Large-scale data processing; data modeling; holistic, intent-based API design
Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development
API Testing: Ability to test APIs using tools like Postman or Swagger.
API Testing: Ability to test APIs using tools like Postman or Swagger.
Technically fluent in API-based integrations can reason about tradeoffs, unblock teams, and advocate for scalable solutions
Technically fluent in API-based integrations can reason about tradeoffs, unblock teams, and advocate for scalable solutions
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Uphold high standards for our uptime and latency requirements while not sacrificing the veracity of API responses
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
Strong knowledge of C#, SQL, database design, and .NET Core REST API.
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
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Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
Mastercard Developers ( is the primary API platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions. Act as subject matter expert for Mastercard Developers API Platform and services to support customer integrations on occasion - Proven track record in API based products
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Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
Technical knowledge and experience in producing testable, scalable, reusable and resilient services to provide API services to front end systems.
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Integrate and manage APIs through Apigee API Management. * Familiarity with Apigee and API gateway configuration.
Integrate and manage APIs through Apigee API Management. * Familiarity with Apigee and API gateway configuration.
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Howdens Joinery are looking for a new Solutions Architect with expert experience in API and Microservices to join our Digital & Trade Architecture team based in either our office in Raunds, Northamptonshire or Croxley Park, Watford with some home working.
Howdens Joinery are looking for a new Solutions Architect with expert experience in API and Microservices to join our Digital & Trade Architecture team based in either our office in Raunds, Northamptonshire or Croxley Park, Watford with some home working.
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