Empleos de fintech java developer low-latency fixitch en Barcelona

About CaraveloAt Caravelo, we are revolutionizing the travel industry with subscription-based solutions that help airlines and travel companies unlock new revenue streams while enhancing customer loyalty. Our SaaS platform enables seamless subscription management, dynamic pricing, and automation, helping airlines transition from traditional ticket sales to...

About CaraveloAt Caravelo, we are revolutionizing the travel industry with subscription-based solutions that help airlines and travel companies unlock new revenue streams while enhancing customer loyalty. Our SaaS platform enables seamless subscription management, dynamic pricing, and automation, helping airlines transition from traditional ticket sales to...

Overview In this role you will design, operate, and safeguard scalable relational data systems to support latency‑sensitive applications. You’ll work within the Technology team to ensure reliability, high availability, and automated data infrastructure across PostgreSQL and MySQL environments. Your work will cover replication, performance tuning, backup...

Experteer Overview As Lead Technical Product Manager for the ML Platform at N26, you define the long-term platform vision and execution strategy to enable real-time, data-driven decisions across banking domains. You will align platform architecture with business goals and drive cross-squad roadmaps for scalable, compliant ML infrastructure. You’ll shape...

About QuantPilotQuantPilot is 3Commas' AI trading copilot: agents that research markets, generate trading strategies, backtest them and iterate on them together with the trader in a chat. We are building it for serious retail traders who want institutional-grade research tools that until now were available mainly to hedge funds and prop desks.About the...

Experteer Overview You join Preply to scale and safeguard GenAI-powered learning experiences. As a senior engineer on the GenAI Platform team, you design and expand systems that run production GenAI workloads, partnering with data, security, and product teams. You shape platform abstractions, promote self-service capabilities, and drive reliable, low-latency...

Senior Database Engineer Department: Technology Employment Type: Full Time Location: Barcelona Reporting To: Pawel Suchocki Description The Senior Database Engineer carries the pivotal responsibility of engineering, overseeing, and preserving the integrity, scalability, and performance of the company's complex relational open source database systems. This...

Job ID: Posted: Posted 30+ Days AgoStart Date: Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer,...

Job ID: Posted: Posted 30+ Days AgoStart Date: Location: Spain - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer,...

Senior Software Engineer (Backend) Lingo is building a cutting‑edge digital health platform that fuses continuous biosensor data, high‑performance backend engineering, and advanced analytics to help people live healthier, longer, fuller lives. Our systems process massive volumes of real‑time data, and the backend is the heartbeat that transforms...

About the RoleHTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands.Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuación.We're...

About the RoleHTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript...

At Tinybird, we help developers and data teams take flight by unlocking the power of real-time data to build data products faster. With Tinybird, developers can easily ingest data from multiple sources, query it using the SQL they already know and love, and publish results as low-latency, high-concurrency APIs for their applications — all in minutes, not...

Job ID: 31161202Posted: Posted 30+ Days AgoStart Date: 2026-09-08Location: Spain Aumente sus posibilidades de llegar a la fase de entrevista leyendo la descripción completa del puesto y enviando su solicitud sin demora. - BarcelonaTime Type: Full timeJOB DESCRIPTION:Senior Software Engineer (Backend)ABOUT LINGOLingo is building a cutting‐edge digital...

Job-ID: e696ed43-96f5-4299-8717-ea1455a91f7cReference: #3476614Location: Barcelona, SpainJob type: full-time, HybridSalary: EUR 75-90KCategory: MobileStack: Kotlin, Android, Team Lead, Java, Firebase, CoroutinesContact: tatiana@akuaro.comThis role is part of a central engineering team that designs and builds high-impact solutions used across a global...

Job-ID: e696ed43-96f5-4299-8717-ea1455a91f7cReference: #3476614Location: Barcelona, SpainJob type: full-time, HybridSalary: EUR 75-90KCategory: MobileStack: Kotlin, Android, Team Lead, Java, Firebase, CoroutinesContact: tatiana@akuaro.comThis role is part of a central engineering team that designs and builds high-impact solutions used across a global...

Job-ID: e696ed43-96f5-4299-8717-ea1455a91f7cReference: #3476614Location: Barcelona, SpainJob type: full-time, HybridSalary: EUR 75-90KCategory: MobileStack: Kotlin, Android, Team Lead, Java, Firebase, CoroutinesContact: tatiana@akuaro.comThis role is part of a central engineering team that designs and builds high-impact solutions used across a global...

Job-ID: e696ed43-96f5-4299-8717-ea1455a91f7cReference: #3476614Location: Barcelona, SpainJob type: full-time, HybridSalary: EUR 75-90KCategory: MobileStack: Kotlin, Android, Team Lead, Java, Firebase, CoroutinesContact: role is part of a central engineering team that designs and builds high-impact solutions used across a global ecosystem. Revise...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage.Our clients include the...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage.Our clients include the...