Empleos de principal java engineer serverless distributed systems en Barcelona

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for customers...

Elastic in Spain seeks a Principal Software Engineer to join the Elasticsearch Performance team. You will lead architectural and code-level performance initiatives to optimize Elasticsearch across distributed environments. You will mentor engineers, design AI-assisted optimization techniques, build profiling and benchmarking automation, and partner across...

Overview As a Principal AI Engineer, you own the end-to-end improvement loop for the Context Engine, shaping how agents, automations and skills behave in production. You define evaluation, telemetry, and safe deployment practices, ensuring customer impact and reliability. You collaborate with data scientists, engineers, product and UX to translate...

Principal Software Engineer - Identity & Access Management Spain The salary range for this role is negotiable, the range being $6,000-$11,000 per month (Gross in USD), based on location and experience level. About Sezzle: With a mission to financially empower the next generation, Sezzle is revolutionizing the shopping experience beyond payments, blending...

Overview As a Java Tech Lead, you will drive the migration of a client platform within a large US financial institution. You’ll build and maintain Java/Kotlin Spring Boot microservices, enhance search capabilities, and modernize data ingestion, while ensuring cloud readiness on Azure. You’ll collaborate with cross-functional teams and lead development...

Principal Software Engineer - Performance Tuning - Elasticsearch Spain Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of...

We are looking for a **Senior Software Engineer - AI Product development** to join our **Cortellis CMC team in Barcelona** and help build the next generation of AI-powered solutions for the pharmaceutical industry. In this role, you will design, develop, and operate scalable backend services, data pipelines, and AI-driven capabilities that power...

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...

**Overview** Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~16,800 employees create world-class solutions in communications, 5G, automotive, energy, quantum, aerospace, defense, and semiconductor markets for...

Overview As a Senior Software Engineer in the Elasticsearch storage team, you architect and optimize the core storage and query engine to boost performance at scale. You collaborate across a distributed, globally distributed team to advance observability workloads and data layouts for object storage. You mentor peers, drive architectural clarity, and apply...

Overview Join New Relic to architect, build, and run high-scale JVM-based microservices that ingest and analyze massive telemetry data for an observability platform. You will own services end-to-end, optimize for performance and reliability, and contribute to deep observability and incident response in a fast-growing, AI-first environment. You’ll work with...

***🚀 We’re on a mission to make money work for everyone.*** We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts, accounts for 16-17 year...

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...

About usConstructor is the next-generation platform for search and discovery in e-commerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself...

Overview As Lead Software Developer at SITA, you will steer the design and delivery of scalable, secure software in a fast-moving aviation tech environment. You will collaborate with product, data, and AI teams to build high-performance applications, guiding architecture and engineering best practices. Your work enables AI-enabled components and robust...

Signicat is a pan-European digital identity company that makes it easy and safe for organisations to know who they are interacting with online. Using our proprietary technology, we helpcompanies and public organisations securely verify the identities of people and businesses,authenticate users, and enable compliant electronic document signing, so their...

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 In this Senior Full Stack Engineer role, you own end-to-end delivery for Duetto’s core revenue platform, driving a major monolith-to-microservices migration. You’ll work across Java/Spring Boot backends and TypeScript/React frontends, shaping scalable systems and high-quality user experiences. You’ll operate with strong architectural judgment,...

Overview In this AI Engineer role you will ship robust backend features at Deel Speed, using AI tools like Claude to accelerate development while upholding quality. You’ll work with cross-functional teams to design scalable systems that serve 150+ countries and improve user satisfaction. The position combines AI-assisted coding with strong engineering...

Overview In this role you will shape and modernize Dow Jones’s real-time content systems within a fast-paced tech team. You will work across technologies like Gen AI, AWS, microservices, and data pipelines to deliver high-quality solutions feeding Newswires, Factiva and the Wall Street Journal. You’ll partner with stakeholders to scope and deliver...