Empleos de junior software engineer java en Barcelona

Overview As a Senior Software Engineer on the Elasticsearch - Search Relevance team, you will shape the direction and implementation of advanced search capabilities at Scale. You’ll work with a globally distributed team to deliver fast, relevant search experiences and contribute to improvements in Lucene. The role blends feature development, bug fixes, and...

Overview As a Senior Software Engineer on the Elasticsearch - Search Relevance team, you will shape the direction and implementation of high-performance search features. You’ll work with a globally distributed team to enhance relevance and speed, contribute to vector search capabilities, and tackle tough bugs and algorithmic challenges. You’ll engage...

Overview As a Senior Software Engineer on the Elasticsearch - Distributed Systems team, you will advance scale, performance, and resilience across the cluster. You’ll improve indexing and coordination across nodes, and help push the system to handle larger shards and datasets. You’ll diagnose complex performance and concurrency issues and mentor others....

Overview As a Principal Software Engineer on the Elasticsearch - Search team, you drive the vector search capabilities that power fast, relevance-driven results. You will design and implement new vector features, improve existing functionality, and resolve complex bugs within a globally distributed team. You’ll work closely with engineers, contribute to...

Overview As a Principal Software Engineer on the Elasticsearch - Search team, you’ll lead the development of vector search capabilities at scale. You’ll shape a high-performance vector database experience, contribute to core search features, and drive architectural innovations. You’ll collaborate with a global team, mentor peers, and engage with the...

Overview In this role you will advance Elasticsearch at scale, focusing on distributed indexing, cluster coordination, and data safety across nodes. You’ll work with cross-functional teams to push scalability, performance, and resilience, shaping how data is indexed and accessed in large clusters. You will troubleshoot complex distributed system challenges...

**Multiverse Computing** Multiverse is a well-funded, fast-growing deep-tech company founded in 2019. We are the largest quantum software company in the EU and have been recognized by CB Insights (2023 and 2025) as one of the 100 most promising AI companies in the world. With 180+ employees and growing, our team is fully multicultural and...

Overview As a Principal Software Engineer on the Elasticsearch - Search Infra team, you define and drive the core search infrastructure for Elasticsearch. You will shape the long-term technical direction, contribute to indexing, retrieval, and relevance, and mentor a global group of engineers. You’ll turn research in search internals into scalable,...

**WE ARE:** Adaptive is a product-led financial technology company with deep expertise in capital, commodity, and digital markets. We build technology for investment banks, investment managers, fintechs, and capital markets service providers. Our consulting teams work with clients to implement and extend that technology, but our starting point is product...

If you are looking for a meaningful career where people work and act with passion, rethink the existing and always strive to find the best solution - you have come to the right place. We develop future technologies to relentlessly make supply chains better. We are a leader in supply chain software solutions, helping organizations streamline operations,...

**WE ARE:** Adaptive is a product-led financial technology company with deep expertise in capital, commodity, and digital markets. We build technology for investment banks, investment managers, fintechs, and capital markets service providers. Our consulting teams work with clients to implement and extend that technology, but our starting point is product...

* Role: Senior Full Stack Engineer (Remote) * Location: Remote (Work from Anywhere) Role Overview: We are hiring for one of our clients, seeking a Senior Fullstack Engineer to work on a Full-Time basis. The role involves designing, developing, and maintaining full-stack applications using modern technologies. You will collaborate with cross-functional teams...

**Senior AI Backend Engineer (Java/GCP)** **We are:** Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth,...

About Liferay Liferay, Inc. is a uniquely profitable B2B enterprise software company with 1,200+ fiery-eyed employees all across Europe, the Americas, the Middle East, Asia, and Africa. As a renowned provider of enterprise open source technologies, we have been recognized by Gartner for empowering businesses around the world to solve complex digital...

**¿Quiénes somos?** Neotalent Conclusion es una de las mayores especialistas del mercado ibérico en captación y gestión de talento informático y de ingeniería. Como parte del grupo neerlandés Conclusion, que se compone por un ecosistema de 25 empresas y 3.600 empleados, nos centramos en aumentar la capacidad tecnológica de nuestros clientes y...

Sinch is a Customer Communication Cloud company powering conversations across messaging voice and email helping businesses deliver personalized customer experiences at scale More than 150000 businesses including leading global tech companies rely on Sinch The Role We are building the next generation of conversational AI infrastructure As a Senior Java...

Sinch, a Customer Communication Cloud company, is hiring a Senior Java Software Engineer for the Agentic Orchestration Platform. You will design and own core components coordinating AI agents and multi-channel communication at scale. You will work with a small senior team, have autonomy, and tackle non-deterministic testing, latency, and cost challenges...

Responsibilities We're looking for a Software Fraud Engineer to design and build our next-generation fraud prevention platform. You'll develop real-time fraud detection systems, risk engines, and automated decision-making services that protect both our users and business. This is an engineering role focused on building fraud prevention systems — not a...

Are you looking for the next challenge in your career? Would you like to be part of an exciting, highly qualified team of professionals in an innovative and dynamic work environment, working on challenging, international projects? We are looking for a Senior JAVA Developer (German Speaker) with 5+ years of experience to join a new cloud-native project in a...

ABOUT SINCH Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch's Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email. Whether you need to verify users or craft omnichannel campaigns,...