119 English-speaking jobs in Barcelona

Senior Cloud Engineer (AWS) – Barcelona / Hybrid (3 days remote) We're looking for a highly skilled Senior Cloud Engineer with deep AWS expertise to join a big international technology organization. Responsibilities: Design, implement, and manage a multi-account AWS Landing Zone and foundational cloud services. Support complex application migrations to AWS (rehost / replatform / refactor).

Note: Candidate must have valid work permit for Spain. Advanced English. Strong experience with C# and . NET Core. Interested candidates can share their CV sweety@infotreeservice. com / WhatsApp: +34 657391582 What does a great Senior Engineer (. NET) do?

At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That's why we need smart, committed people to join us. Whether you're looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.

We are partinering with a high-performing technology team that is entering its next major growth chapter, combining deep engineering rigor with AI-enhanced development to unlock new levels of speed, reliability, and innovation.

Please note this is a UNPAID work experience. English resumes only! PASSNFLY is a start-up company established in 2012, based in central Barcelona, Spain, providing a digital solution for checking in to flights. Passengers are automatically checked in to their preferred seats and sent the boarding pass to their phone. The management structure is consistent and very integrated.

Are you looking for a new challenge where advanced optimization meets real-world impact? We are looking for a Senior Optimization Scientist to join a cutting-edge technology project within the aviation and travel sector, working on complex, high-impact optimization problems.

We are looking for a Product & R&D Manager with strong product instinct, execution mindset and a genuine passion for gaming (casual or console gamer – must). This is a hybrid role across hardware, drops, software exploration and product operations. You will work closely with the founders to launch new products, coordinate internal and external teams and push forward innovation initiatives.

At TD SYNNEX we are dedicated to staying ahead of the curve and embracing emerging technologies that will shape the future. We believe in the power of the next generation to drive innovation and redefine what's possible and we prioritize the wellbeing, growth, and inclusivity of our diverse workforce.

Artificial Intelligence Software EngineerWe are seeking a skilled and innovative Artificial Intelligence Software Engineer to join our team. As an AI software engineer, you will be responsible for designing, developing, and deploying cutting-edge AI solutions that drive business value.

Job Title: English Instructor (Part-time, 2-18 teaching hours a week) Company Name: Kids&Us Location: Poblenou, Sant Martí, Sant Andreu Are you passionate about teaching English in a fun, dynamic way while balancing other interests like studying, music, acting, or fitness? If your answer is yes, this job is for you!

Job DescriptionYour role To support our Daylight PMS Implementation team, we're looking for an experienced and dynamic Daylight PMS Hospitality Implementation Consultant to play a key role in delivering successful PMS implementations for hospitality clients across the EMEA region.

Backend Developer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San Vito dei Normanni (BR) office one week 4 times / year Salary Range: €30,000 - €50,000 About Us Spoki is a Conversational Platform that helps companies build authentic relationships with their customers through WhatsApp and Artificial Intelligence.

For our partner, the newest MedTech Start-up out there, we are looking for an English-speaking Backend Developer (m/f/d) 100% remote. roclub is a fast-scaling MedTech start-up that builds the technological backbone for the future of remote medical device operations. The company's mission is to revolutionize how medical equipment is managed and supported worldwide.

Opportunity – CRM Applications Software Engineer (Node. js / TypeScript) About the role We are looking for a CRM Applications Software Engineer with 4+ years of experience in Node. js, TypeScript, and microservices to join a high-impact project for one of our top-tier clients.

Sustainability Project Coordinator – Join Carbon Complete Are you passionate about sustainability and eager to make a meaningful impact in a fast-growing startup? Carbon Complete is hiring for an exciting full-time position in CBAM consultancy and training, ESG reporting, and carbon reduction planning.

We are hiring an MLOps Engineer for a fixed-term contract ending in June 2026, based in Zaragoza or Barcelona (hybrid working model). This opportunity is with a leading European deep-tech company operating at the intersection of AI and advanced computing.

About SLNG SLNG is building global, compliance-first voice AI infrastructure. We operate across STT, TTS, LLMs and real-time voice systems, running workloads on globally distributed compute. We are early stage, technical by default, and moving quickly. This is not a volume recruiting role. This is an execution-heavy role working directly with the founders.

Company Description Byrom plc, established in 1991, is a world leader in providing tailored solutions for the management of major sports events, having delivered over 200 global events across three decades. Byrom specializes in accommodation, ticketing, hospitality, transportation, and IT services.

What You'll Do Join our international engineering team , working on the evolution and optimisation of the Salesforce Service Cloud platform. Take end-to-end ownership of your developments: from requirement intake and solution design, through implementation and rollout, to stable operations.

Seeking Algae Fermentation Specialist – Industrial Collaboration Opportunity We are an innovative company working on the industrial production of cooking oil from micro-algae. We are looking to collaborate with a technical expert who is highly experienced in heterotrophic micro-algae cultivation and the extraction of edible oils from Micro-algae.