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  • $15 per hour

     ...With 14:00 UTC to 17:00 UTC being the team’s overlapping hours. What You’ll Do Design, build, and maintain backend systems and APIs that power Wikidata’s query infrastructure Improve reliability, observability, and automation of the Wikidata Query Service and... 
    Suggested
    Full time
    Remote work

    Wikimedia Foundation

    United Kingdom
    6 days ago
  •  ...the global leader in cloud communications, shaping how modern enterprises interact with customers across the globe. We deliver developer-first API solutions to hundreds of thousands of businesses and empower millions of engineers worldwide to build deeply personalized... 
    Suggested
    Full time
    Remote work
    Work from home
    Worldwide
    Flexible hours

    Twilio

    United Kingdom
    15 days ago
  •  ...breadth of what Somnia ships, from consumer-facing products to developer technologies to internal platform and tooling. One month that's...  ...these products depend on. Create developer technologies—SDKs, APIs, CLIs, libraries and starter kits—that make the platform easy... 
    Suggested
    Remote job
    Full time
    Shift work

    Improbable

    United Kingdom
    a month ago
  •  ...and practical industrial adoption. Driven by a high-performance, developer-friendly corporate philosophy that values kind candor, systems...  ...global customer-facing application, managing the user interface, API endpoints, and underlying data engines cleanly natively utilizing... 
    Suggested
    Full time
    Work at office
    Remote work
    Work from home
    Home office
    Shift work

    Natural Negative

    United Kingdom
    15 days ago
  •  ...communicating effectively with customer engineers as well as non-technical stakeholders about a product’s technical capabilities, including API endpoints and integration use cases. Experience in active troubleshooting of complex technical issues. Fast learner, insanely... 
    Suggested
    Full time

    DomainTools

    United Kingdom
    6 days ago
  •  ...who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions,...  ...the matching engine, market data gateways, internal and external APIs, margin systems and various other trading services. The team is... 
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    Remote job
    Full time
    Local area

    Kraken

    United Kingdom
    a month ago
  •  ...and partners. Identify product gaps and raise with the relevant internal teams by taking main role in shaping and designing the APIs, payment features and Nuvei services. Establish operational excellence through identification and execution of opportunity areas... 
    Suggested
    Full time
    Remote work

    Nuvei

    United Kingdom
    13 hours ago
  •  ...orchestrating complex ML evaluation pipelines. This role demands a seasoned developer who excels at handling backend complexities, balancing...  ...infrastructure layers natively using Golang . Scalable API Infrastructure Design: Model and optimize low-latency REST or gRPC... 
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    Hourly pay
    Daily paid
    Full time
    Contract work
    For contractors
    Freelance
    Remote work
    Work from home

    CloudFactory

    United Kingdom
    15 days ago
  •  ...— from order management and market data processing to the REST APIs and WebSocket streams that serve our web and mobile clients. You...  ...products, from core trading workflows to client-facing APIs. Develop and improve services for order management, market data processing... 
    Suggested
    Full time
    Apprenticeship
    Work at office
    Remote work
    Worldwide
    Flexible hours

    Blockchain

    United Kingdom
    6 days ago
  •  ...will act as a primary technical asset responsible for designing, developing, and maintaining scalable automation frameworks that streamline...  ..., and hybrid cloud integrations. Self-Service Tooling and API Triage: Simplify complex backend workflows by developing internal... 
    Suggested
    Permanent employment
    Full time
    Work at office
    Remote work
    Worldwide
    Flexible hours
    Shift work
    Afternoon shift

    Nice

    United Kingdom
    15 days ago
  •  ...breadth of what Somnia ships, from consumer-facing products to developer technologies to internal platform and tooling. One month that's...  ...these products depend on. Create developer technologies—SDKs, APIs, CLIs, libraries and starter kits—that make the platform easy... 
    Suggested
    Full time
    Shift work

    Improbable

    United Kingdom
    a month ago
  • $65k

     ...Remote Subject to Location NEC Digital seeks a Front-end React Developer. The successful candidate will be responsible for developing...  ...clear, actionable feedback within Git workflows. Integrate REST APIs, manage state, ensure data integrity, and document changes for... 
    Suggested
    Remote job
    Full time
    Flexible hours

    NECSWS

    United Kingdom
    more than 2 months ago
  • £85k - £110k per year

     ...challenger bank, financial technology pioneer, and digital ecosystem developer operating on an absolute mission to protect, automate, and...  ...Progression framework) who maps out scalable platform APIs fluidly natively using Machine Learning infrastructure, builds... 
    Suggested
    Full time
    Work at office
    Remote work
    Work from home
    Visa sponsorship
    Relocation package
    Flexible hours
    Shift work

    Monzo

    United Kingdom
    15 days ago
  •  ...fundamental freedoms of association, commerce, and expression for developers, companies, and individuals. Your primary focus will be the...  ...and end-user applications through a high-performance GraphQL API. It ingests block history, processes it, stores it efficiently... 
    Suggested
    Remote job
    Full time
    Work from home
    Night shift

    IOHK

    United Kingdom
    19 days ago
  •  ...Your day-to-day focus will be heavily centered on our backend infrastructure (Ruby on Rails, PostgreSQL, GraphQL) to manage discount APIs, optimise session architectures, and support core functionality. We have a dedicated team of frontend experts who own our client-... 
    Suggested
    Full time

    Butternut Box

    United Kingdom
    2 days ago
  •  ...improve experience and metrics within the area of ownership. • Develop a complete understanding of end-to-end technical architecture...  ...innovation in automation across all application tiers, including UI, APIs, CLIs, Connex, HP NonStop, and database layers. • Investigate... 
    Full time
    Immediate start
    Worldwide

    Mastercard

    United Kingdom
    8 days ago
  • €100k - €130k per year

     ...Lead the development of production-grade backend services and APIs that support multiple internal stakeholders and platform consumers...  ...large-scale production platforms. Advanced proficiency developing production systems in Go (Golang). Experience building production... 
    Remote job
    Full time

    Chainlink Labs

    United Kingdom
    20 days ago
  •  ...solving skills, and a passion for research, innovation, and experimentation. They will be excited by work that spans products, services, APIs, models, and user experiences, and by using AI tooling as a practical part of the engineering workflow to accelerate discovery and... 
    Full time
    Local area
    Worldwide
    Flexible hours

    Pingidentity

    United Kingdom
    2 days ago
  •  ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of...  ...eCommerce solutions using Shopify (including Hydrogen/Storefront API), Gadget.dev, and headless CMS platforms like Contentful, Sanity... 
    Full time

    Remote Talent LATAM

    United Kingdom
    1 day ago
  • $10k

     ...financial concepts: multi-currency accounting, reconciliation, cross-border compliance Experience integrating with third-party financial APIs or international banking partners Interest in or exposure to international regulatory environments and compliance requirements... 
    Remote job
    Full time
    Work at office
    Home office
    Relocation package
    Flexible hours

    Ramp

    United Kingdom
    a month ago
  •  ...loops, basic web content formatting, or simple prompt engineering API tickets, you will run an active production-grade Retrieval-...  ...best practices. Agentic Workflow Instrumentation: Design, develop, and scale sophisticated multi-step AI agents and tool-use systems... 
    Shorter hours
    Permanent employment
    Full time
    Contract work
    Local area
    Immediate start
    Remote work
    Shift work

    JUPUS

    United Kingdom
    15 days ago
  •  ...who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions,...  ...and React Native frameworks ~ Experience with Next.js, RESTful APIs and WebSockets ~ Experience with frontend testing frameworks... 
    Remote job
    Full time
    Local area

    Kraken

    United Kingdom
    a month ago
  • £75k - £85k per year

     ...successful professional history operating inside a Senior Front-End Developer, User Interface Architect, Lead JavaScript Engineer, Front-End...  ...technical capability managing state machines, complex APIs, data orchestration, and asynchronous communication models.... 
    Permanent employment
    Full time
    Summer work
    Remote work
    Flexible hours
    Shift work

    Arbor Education

    United Kingdom
    15 days ago
  •  ...personally, we ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for an Oracle CPQ Developer - fully remote within the UK - for our growing team in the UK. Key Responsibilities Provide programming & troubleshooting... 
    Work at office
    Remote work
    Work from home
    Monday to Friday
    Flexible hours

    NTT DATA, Inc.

    United Kingdom
    4 days ago
  •  ...Job Description: We are looking to recruit a Principal SQL Developer to work on the support of a truly unique capability, NAS. NAS is understood to be the largest number plate recognition database in the world supporting UK Policing and Law Enforcement in the detection... 
    Permanent employment
    Contract work
    Part time
    Work from home
    Flexible hours

    Leonardo Worldwide Corporation

    United Kingdom
    more than 2 months ago
  • £80k per year

     ...The exchange team develops and maintain a cutting-edge trading platform. With a global presence across APAC, EMEA and North America, the team has since grown with the goal to provide a seamless and secure trading experience for our clients. As a Senior Devops Engineer... 
    Full time
    Remote work
    Free visa

    Crypto Com

    United Kingdom
    a month ago
  •  ...The exchange team develops and maintain a cutting-edge trading platform. With a global presence across APAC, EMEA and North America, the team has since grown with the goal to provide a seamless and secure trading experience for our clients. Responsibilities Responsible... 
    Full time
    Remote work
    Free visa

    Crypto Com

    United Kingdom
    a month ago
  •  ...scalable, event-driven services on AWS. Help drive decisions on API design, synchronous vs. asynchronous processing, consistency models...  ...for the broader platform. Data Pipeline Engineering: Develop high-volume data ingestion pipelines using Go (Golang) and Python... 
    Full time
    Contract work
    Local area

    Rivian

    United Kingdom
    18 days ago
  • Building the Future of Open Finance Payward - the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks - has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms ...
    Remote job
    Full time
    Local area

    Kraken

    United Kingdom
    13 days ago
  •  ...engineering, and user experience, our Site Experience SRE team ensures that every transaction across the web app, mobile platforms, APIs, feed generation loops, and real-time messaging engines remains blazing fast, highly resilient, and stable. In this technical leadership... 
    Full time
    Remote work
    Flexible hours

    Reddit

    United Kingdom
    15 days ago