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- ...build AI features well by sharing patterns, pairing with them and improving the reusable foundations they rely on. Our backend is Ruby on Rails and our frontend is React. Strong AI engineers from other stacks are very welcome, and Rails experience is a bonus, not a...RubyTiempo completoTrabajar en la oficinaDesde casaRemoto
Oyster HR
Barcelona3 días atrás - ...developer platforms, or workflow infrastructure. Backend engineering experience building services using programming languages such as Java, Ruby, or Go. Experience building internal platforms that ultimately support customer‑facing products. #J-18808-Ljbffr...Ruby
Stripe
Barcelona1 día atrás - Hireroo Ltd in Barcelona, Spain seeks a Senior Power Delivery Engineer to own the architecture from rack input to die, designing high current VRMs and validating control strategies for demanding accelerator workloads. The role requires 8+ years in power delivery, experience...Ofertas de empleo recomendadasTrabajo híbrido
Hireroo Ltd
Barcelona1 día atrás - ...data structures and algorithms and how they are used is a must. Multilingual programming experience: our code base is primarily in Ruby, with trend to migrate to GOlang and Rust. Excellent debugging, analytical, problem solving, and social skills. BS/MS degree...RubyTiempo completoPatrocinio de visaRemoto
Workato
Barcelona3 días atrás - HappyScribe, a profitable bootstrapped AI company based in Barcelona, is hiring for an Engagement lead. You’ll own a product area from day one, shipping features end to end across Rails, React, React Native and Electron. You’ll prototype with a designer, grow the design...Ofertas de empleo recomendadasTrabajo híbrido
HappyScribe
Bellprat, Barcelona3 días atrás - ...Barcelona-based technology company, seeks a senior full-stack engineer with a backend focus to design and build scalable services in Ruby on Rails and Go. You will lead a hands-on team, collaborate with Product, Data, Ad Operations and Sales to translate business...Ofertas de empleo recomendadasTrabajar en la oficina
Titan OS Partnership
Bellprat, Barcelona3 días atrás - Titan Operating System S.L. (Titan OS) in Barcelona seeks a senior full-stack engineer with a backend focus to design and build scalable, compliant ad-tech systems. You will participate hands-on while leading a team of engineers and shaping architecture across Rails, Go...Ofertas de empleo recomendadas
Titan OS Partnership
Barcelona4 días atrás - ...internship experience). Experience and familiarity with programming, either through side projects or classwork. We work mostly in Java, Ruby, JavaScript, Scala, and Go. We believe new programming languages can be learned if the fundamentals and general knowledge are...RubyTrabajo de veranoPráctica
Stripe
BarcelonaHace 2 meses - ...will also be responsible to: - Building new products inside the company. - Develop new code with Rust, and deal with existing Go/Ruby code - Create PoC in the new areas and drive them to production or drop them away. Requirements Qualifications / Experience / Technical...RubyTiempo completoRemoto
Workato
BarcelonaHace 2 meses - HappyScribe in Barcelona is looking for an experienced engineer to join the Engagement pod. You’ll own a product area from day one across Rails backend and React web, React Native mobile, and Electron desktop apps. Work with a designer to decide what to build, prototype...Ofertas de empleo recomendadasTrabajo híbrido
Happy Scribe Ltd.
Bellprat, Barcelona3 días atrás - ...engineer gets access to Cursor or Copilot, and we want people who use AI to raise the bar, not just to go faster Our stack: Go and Ruby are our primary languages. Our platform runs on a Kubernetes cluster hosted on AWS, with PostgreSQL as our database of choice. We...RubyTiempo completoRemoto
Qonto
Barcelona7 días atrás - You will own the thermal path from die junction to facility water — on-die hotspots, package spreading, cold plate design, sled airflow and rack-level heat rejection. Senior IC role: you set the thermal budget the rest of the hardware team designs against. What you ...Ofertas de empleo recomendadasTrabajar en la oficinaTrabajo híbrido
Semidynamics
Barcelona16 horas atrás - You will own power delivery from rack input to die bump — defining the architecture, designing the regulators that feed the accelerator, and owning the control and protection behaviour that keeps the part inside its limits under real workloads. Senior IC role with architectural...Ofertas de empleo recomendadasPrácticaTrabajar en la oficina
Semidynamics
Barcelona16 horas atrás - Please note that this opportunity requires relocation to our Barcelona office. About us Satispay began by rethinking the simple act of a payment to remove the friction from our daily routines. But we didn't stop there. Today, we are building a complete financial...Ofertas de empleo recomendadasTrabajar en la oficinaRemotoTrabajo híbridoHorario flexible3 días a la semana
Satispay S.p.A.
Barcelona2 días atrás - Job Description Our partner is looking for a Senior Power Delivery Engineer to own the power architecture for advanced compute hardware, from rack input through board level conversion to die level delivery. This is a senior individual contributor role with architectural...Ofertas de empleo recomendadasPrácticaPatrocinio de visaTrabajar en la oficinaTrabajo híbridoHorario flexible
Hireroo Ltd
Barcelona1 día atrás - Hello We’re HappyScribe, a profitable, 100% bootstrapped AI company based in Barcelona. We built one of the web’s most accurate multilingual transcription platforms, trusted by hundreds of thousands of users each month . That product funds our freedom to create...Trabajar en la oficinaTrabajo híbridoHorario flexible
Happy Scribe
Bellprat, Barcelona3 días atrás - ...looking for an Elixir Engineer to join our Kantox software engineering team in Barcelona! Our platform core is primarily based on Ruby on Rails but we also make good use of Elixir and Elixir/Phoenix as well. You will work with a self-motivated multi-disciplinary multi...Trabajar en la oficinaTrabajo híbridoHorario flexibleTrabajo por turnos
remotehiro
Barcelona1 día atrás - ...evidence , not by reviewing every line ~5+ years of experience and fluent English Nice to have, but you can learn it here: Ruby on Rails (solid experience in another server-side framework is fine), and whichever of mobile or desktop you haven’t done yet. Company...Trabajar en la oficinaTrabajo híbridoHorario flexible
HappyScribe
Bellprat, Barcelona3 días atrás - Your mission The Streaming & Media Technology Director holds full technical accountability for the platforms that deliver Euroleague Basketball’s streaming and media proposition across its competitions. EuroLeague TV (ELTV) and the OTT platform behind it are the centre...ContratoVisa de trabajoTurno de noche
Euroleague Ventures SA
Barcelona16 horas atrás - Job Description Our partner is looking for a Hardware Bring-Up Engineer to take ownership of first board and first silicon bring-up for advanced compute hardware, helping turn newly manufactured hardware into a stable, working system. This is a practical lab focused...PrácticaPatrocinio de visaTrabajar en la oficinaTrabajo híbridoHorario flexible
Hireroo Ltd
Barcelona16 horas atrás - Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely.We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access...Trabajo de veranoTrabajo híbridoHorario flexible
Clio
Bellprat, Barcelona3 días atrás - ...initiatives: understand → shape → build → ship → measure → iterate This is not a frontend or backend‑specific role. Our main stack is Ruby on Rails and React, but we care more about strong engineering fundamentals, product judgment and the ability to work across the...Trabajar en la oficinaRemotoTrabajo híbridoHorario flexible
SeQura
Barcelona4 días atrás - If you are an enthusiastic professional interested in being part of a fast-growing company with strong engineering and research culture, we are looking for a passionate Hardware Engineer to join our team and help us build the next generation of electronic products for...Trabajo híbrido
Technica Electronics
Sant Cugat del Vallès, Barcelona1 día atrás - ...Microsoft SQL Server. Habilidades demostrables en la creación de scripts con conocimientos de lenguajes de programación como Perl, Ruby y Python. Buenos conocimientos de protocolos de red, como TCP, IP y modelos OSI. Residente en la zona de Barcelona y/o...RubyTrabajar en la oficinaDesde casaRemotoTurno de mañana
Alten España
Barcelona17 días atrás - You will own board designs end to end — architecture, schematic capture, component selection, layout direction and the design reviews that get them built. This is a hands-on ownership role: the boards you design are the ones the team brings up, debugs and ships. What...Trabajar en la oficinaTrabajo por turnos
Semidynamics
BarcelonaHace un mes - You will take the first silicon from power-on to a working system — the first to touch new boards, the one who decides what is actually broken, and the person the whole hardware team depends on during the weeks that matter most. Hands-on lab role with wide cross-functional...Trabajar en la oficina
Semidynamics
BarcelonaHace un mes - ..., other teams, and subject matter experts Language requirements: Proficient in English Tech stack Our systems are built in Ruby on Rails, PostgreSQL and Redis on the backend, and Typescript and React in the frontend. Our infrastructure is hosted by AWS and runs...Trabajar en la oficinaTrabajo híbrido2 días a la semana
Affinity Inc
Barcelona1 día atrás - ...believe you could be a perfect addition to our incredible team! The role This is a full-stack role with a strong backend focus (Ruby on Rails and Go), combining architecture design, hands-on development and people management. You will work closely with Product,...Trabajar en la oficina
Titan OS
Barcelona4 días atrás - ...We're proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you’ve worked with Java/Spring, Node.js, Ruby on Rails, Scala/Play, PHP, or Go, you’ll feel right at home here. Python experience isn’t required. We make decisions based on data...TemporalTiempo completoInicio inmediatoTrabajo híbrido
Preply Inc.
Barcelona4 días atrás - ...makes you a great fit: ~+7 years of professional experience as a Backend Engineer, working on large-scale systems. ~ Proficiency in Ruby on Rails. ~ Strong knowledge of database systems (SQL and NoSQL), with experience in designing efficient data architectures. ~...PrácticaTiempo completo
Titan OS
Barcelona12 días atrás
