Empleos de senior java software engineer fully remote en Barcelona

The RoleOpenchip is building new RISC-V chips with security at heart, enabling safer and more privacy-respectful execution of data processing workloads like AI models. As a Senior Offensive Security Engineer, you will help to ensure that our software and systems are designed and implemented to the highest security standards. You will perform technical...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Job descriptionAbout seQuraseQura provides innovative, flexible and easy-to-use payment technologies that help merchants acquire, convert and retain more customers.We make a difference in sales performance by tailoring our solutions to different sectors, to address their unique pain points and deliver superior results in Retail, Education, Eyewear, Repairs...

We are looking for a Senior Tech Lead / Lead Engineer to provide technical leadership and strategic direction for AI and Machine Learning solutions. This is a critical, enterprise-level role focused on designing and scaling reusable AI products that deliver measurable business value across complex, multi-tenant environments and multiple operating companies. ...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

Alignerr is seeking a Machine Learning Engineer (AI Data Trainer) for a fully remote, hourly contract role. You will craft precise reasoning logs that demonstrate how to approach complex ML problems, including tool usage and decision paths, to train state-of-the-art models. The ideal candidate has a strong ML or software engineering background and can...

Join to apply for the (Senior) Site Reliability Engineer - Plattform Engineering - STACKIT (m/f/d) role at Schwarz IT Barcelona4 days ago Be among the first 25 applicantsJoin to apply for the (Senior) Site Reliability Engineer - Plattform Engineering - STACKIT (m/f/d) role at Schwarz IT BarcelonaGet AI-powered advice on this job and more exclusive...

We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it's creating real impact.We've just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. As a...

At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…Working in our Growth TeamThe Growth team acts as the powerhouse of the company, ensuring the immediate needs of the customers are...

Join to apply for theSenior Product Managerrole atToptal . Toptal is a global network of top talent in business, design, and technology that enables companies to scale their teams, on-demand. With $200+ million in annual revenue and team members based around the globe, Toptal is the world’s largest fully remote workforce. We take the best elements of...

Elastic seeks a Senior Software Engineer to join the Elasticsearch Performance team. You will drive performance optimization across distributed systems, focusing on core design, profiling, and scalable improvements. Responsibilities include implementing performance models, running benchmarks with JMH/Rally, and guiding autmation for profiling and regression...

The Mill Adventure is a scale-up with the ultimate mission of building awesome products that will change the way the iGaming industry operates. We started our journey in 2019, with the vision of building a technology driven organisation and creating a fast moving team consisting of the best of the best specialists in their respective fields. Today, we...

Locations: Madrid | BarcelonaWho We AreBoston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations...

Staff Engineer (Java)Who is Parser?Technology alone does not create impact- the right teams do. Founded in ****, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement.We are a fast-growing team of 340+ engineers and...

Help Us Build The Future of Travel At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first e SIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world. Your Next Destination Location: Remote, anywhere in Spain or the UK. Contract: Spain: Full-time,...

**Location:** Remote / Barcelona (occasional onsite visits) **Contract Type:** B2B / Freelance **Experience Required:** Senior level About the Role We are looking for an experienced **Forward Deployed Engineer** with a strong background in full-stack software development, product thinking, and AI integration. The ideal candidate will be able to translate...

About Air Apps At Air Apps, we believe in thinking bigger - and moving faster. We’re a family‑foundated company on a mission to create the world’s first AI‑powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal, in 2018 - and now...

Job Title: Remote Support Engineer - (English speaking) - Hybrid - High Tech - HD01 Job Description Experience the Power of a Game-Changing Career Are you ready to join an innovative and fast-growing team? We are a global leader in technology and services, powering the brands of the future. Across more than 70 countries, we support some of the world's most...

As a Senior Backend Engineer in the Payments team at Playtomic, you will be responsible for developing robust and scalable payments solutions for our product, ensuring high performance, consistent and secure transactions. What you’ll be doing * Develop and maintain APIs and their services, enabling seamless communication between the frontend and backend,...

Locations: Madrid | Barcelona Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling...