Back End Developer

hace 17 horas

Madrid, España APX (Now Aster) A tiempo completo

Backend Developer (Java + Python) 100% remotoMadrid, Community of Madrid, SpainResponsibilities3+ years of experience in exchange core system development.Design indexing systems, RPC interaction layers, and event stream processing architecture.Build real-time data pipelines (e.g., Kafka/RabbitMQ integration).High-Performance API DevelopmentBuild REST/WebSocket/GraphQL interfaces.Handle low-latency requirements in high-frequency trading scenarios.DeFi Application Logic ImplementationPrice oracle integration.Trading simulation engine development; 3+ years of futures or spot trading system development experience.Gas fee optimization strategies.Infrastructure Reliability AssuranceNode management.Load balancing.Failover systems.Technical Stack Requirements5+ years of backend development experience (Java/TypeScript/Rust/Go), proficient in EVM smart contracts.Web3 ecosystem components (EVM, The Graph and other indexing solutions).Security practices (rate limiting, input sanitization, replay attack protection).Seniority levelMid-Senior levelEmployment typeFull-timeJob functionTechnology, Information and Internet, Software Development, and IT Services and IT ConsultingGet notified about new Back End Developer jobs in European Union .#J-18808-Ljbffr

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    hace 2 semanas

    Madrid, España Axiom Software Solutions Limited A tiempo completo

    Back-End Developer needed to develop and maintain microservices for a cloud platform, collaborating with front-end developers and ensuring system consistency.

  • Back End Developer

    hace 1 semana

    madrid, España JR Spain A tiempo completo

    Social network you want to login/join with: Back End Developer (Ruby) Contract length: 3 months initially (extensions available) Location: Remote (EU) Start date: ASAP A dynamic HealthTech startup is looking for an experienced Back-End Developer (Ruby on Rails) who thrives on building high-quality software and integrating complex systems, to support the...

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    hace 4 semanas

    Madrid, España RED Global A tiempo completo

    About the job**Senior Java Back-End Developer – Long-Term Contract – Madrid**RED Global is supporting an international client undergoing a major digital transformation programme. They are urgently looking for an experienced Senior Java Developer to join their team on a long-term collaboration.Start Date: ASAPDuration: Long-termLocation: Madrid...

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    hace 4 semanas

    Madrid, España RED Global A tiempo completo

    About the job**Senior Java Back-End Developer – Long-Term Contract – Madrid**RED Global is supporting an international client undergoing a major digital transformation programme. They are urgently looking for an experienced Senior Java Developer to join their team on a long-term collaboration.Start Date: ASAPDuration: Long-termLocation: Madrid...

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    hace 4 semanas

    Madrid, España RED Global A tiempo completo

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    hace 3 semanas

    Madrid, España RED Global A tiempo completo

    About the job **Senior Java Back-End Developer – Long-Term Contract – Madrid** RED Global is supporting an international client undergoing a major digital transformation programme. They are urgently looking for an experienced Senior Java Developer to join their team on a long-term collaboration. Start Date: ASAP Duration: Long-term Location: Madrid...

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    hace 4 semanas

    Madrid, España RED Global A tiempo completo

    About the job **Senior Java Back-End Developer – Long-Term Contract – Madrid** RED Global is supporting an international client undergoing a major digital transformation programme. They are urgently looking for an experienced Senior Java Developer to join their team on a long-term collaboration. Start Date: ASAP Duration: Long-term Location: Madrid...

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    hace 4 semanas

    Madrid, España RED Global A tiempo completo

    About the job**Senior Java Back-End Developer – Long-Term Contract – Madrid**RED Global is supporting an international client undergoing a major digital transformation programme. They are urgently looking for an experiencedSenior Java Developerto join their team on a long-term collaboration. Start Date:ASAP Duration:Long-term Location:Madrid...

  • Back End Developer

    hace 2 semanas

    Madrid, España WeDoData A tiempo completo

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    hace 3 semanas

    Madrid, España RED Global A tiempo completo

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