Empleos de senior java engineer distributed systems en Barcelona

Senior Android Software Engineer - Barcelona Barcelona About Proton Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Seeking a Senior Full-Stack Engineer for Preply's CRM team to develop AI-driven communication features using Python/Django and React/Typescript. The role involves leading initiatives, mentoring, and focusing on scalable systems.

Are you ready to be inspired, challenged, motivated to do your best, and have fun while you're at it? We're on the lookout for a Senior Backend Cloud Engineer to join our team at Mimacom, where we play off each other's strengths to create exciting digital products for customers all over the world. We develop digital products that enable businesses to achieve...

About Nutrient At Nutrient, we're revolutionizing how the world works with documents. Our tools transform static files into intelligent, secure workflows, empowering businesses to innovate faster and smarter. Trusted by thousands of organizations across 80 countries, including Fortune 500 companies and public sector leaders, our platform supports nearly a...

The Role We are looking for a Senior Software Engineer to join our Data Ops team. In this role, you will lead the backend development of our internal applications, which directly impact Factorial’s sales and billing ecosystems. Your mission is to engineer highly resilient, scalable backend systems and robust cloud architectures that connect internal users,...

At Leadtech, we’ve been redefining digital businesses since 2009, creating innovative online solutions that reach millions of users every month. With a diverse team of over 700 members from 23+ nationalities, we’re united by a passion for creativity and collaboration. We specialize in delivering user-centric experiences across web and mobile platforms,...

Join Proton and build a better internet where privacy is the defaultAt Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open‑source technology to millions worldwide, ensuring access to...

Scopely is looking for a Senior IAM Security Engineer to join our Information Security team on a remote basis or hybrid basis if located in Barcelona. This role will focus on building, scaling, and securing Scopely’s identity and access management ecosystem across our cloud, SaaS, AI, and remote access environments, with a strong emphasis on...

We are seeking a highly skilled Senior QA Engineer with a strong focus on end‑to‑end (E2E) testing, either using Java‑based testing frameworks or Cypress. The ideal candidate will have extensive experience designing, developing, and executing E2E test automation solutions in fast‑paced agile environments. You will play a key role in ensuring the...

A leading software development company in Spain is seeking a Full Stack Senior/Lead Engineer to join their agile team. You will build features and enhance user experiences across web and mobile platforms, leveraging your expertise in ReactJS, NodeJS, and React Native. Ideal candidates should have over 5 years of experience in building scalable systems and...

King is seeking a Senior Audio Engineer to join the Game Production core systems team. You will own the design, implementation, and long-term health of the audio runtime, editor tooling, and APIs across engine and content workflows.You will advance 3D audio, routing, and interactive music while maintaining performance on mobile platforms and across targets....

Job Reference: Date Posted: 3 October 2026Recruiter: Coberon ChronosLocation: Greater Barcelona areaRemote Working: 100% remote working possibleSalary: On ApplicationSector: IT & Tech, Enterprise Software, Cybersecurity, AI and Machine Learning, SaaS & PaaSJob Type: Remote, HybridContact: Recruitment ManagerEmail: for this job nowJob DescriptionOur client is...

At Lace Lithography, we’re scaling up our team and looking for a passionate and sharp talent to join us. In our company we build chip lithography technology that will enable the next 100 years of chip manufacturing. Founded in 2023, we’re based in Bergen (Norway), Eindhoven (The Netherlands) and Barcelona (Spain), and backed by some of the world’s...

For an international organization in Strasbourg, France, we are urgently looking for an experienced Senior Cloud Engineer with strong expertise in CI/CD, Kubernetes, container orchestration and cloud infrastructure .You will design and support automated deployment pipelines and modern infrastructure environments using technologies including GitHub Actions,...

Craft: Job Description: Want to create the world’s best mobile games?   We’re looking for a Senior Software Engineer to join our Kingdom. Our games are adored by hundreds of millions of people around the world, and you’ll be helping build the systems, features, and technology that make them play brilliantly on any platform.   Your role within the...

Role Description We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona.In this role, you will design, build, and continuously improve backend services, APIs, databases, and integrations that support our digital marketing and sales capabilities.You will develop scalable, secure, and...

Senior Cryogenic & Mechanical Systems EngineerAbout the RoleWe are looking for an experienced Senior Cryogenic & Mechanical Systems Engineer to lead the design, integration and improvement of cryogenic and mechanical systems for advanced scientific hardware.This is a hands-on engineering role for someone who enjoys solving complex technical challenges,...

Senior Cryogenic & Mechanical Systems EngineerAbout the RoleWe are looking for an experienced Senior Cryogenic & Mechanical Systems Engineer to lead the design, integration and improvement of cryogenic and mechanical systems for advanced scientific hardware.This is a hands-on engineering role for someone who enjoys solving complex technical challenges,...

King is seeking a Senior Audio Engineer to join the Game Production core systems team. You will own the audio runtime, editor tooling, and the APIs tying them together, spanning from low-level backends to high-level content workflows. You will help shape 3 D audio, routing, mixer architecture, and interactive music while ensuring performant behavior across...

Manychat is seeking a Senior Python Engineer for Brands in Barcelona. You will own backend systems, design scalable services with Fast API, and directly influence product decisions. You’ll collaborate with product and partners to ensure the code delivers real metrics and growth. You’ll work on building a new product from scratch, with room to lead your...