1120 backend developer English-speaking jobs in Catalonia

Experience with frontend monitoring frameworks and developer tools. ... development, including: Performance optimization techniques (lazy loading, caching, CDN, minification) Backend

Proven track record in building and launching integration‑focused features and products (back‑end or developer‑facing ... Product Manager role should bridge the product vision and technical execution by owning the backlog for backend ... developers and quality assurance engineers while actively contributing to the launch of robust, scalable backend

You have 5+ years of experience working as a full-stack developer or in a similar position. ... While our stack is Ruby on Rails for the backend and React/React Native for the clients, proficiency ... have a deep understanding of APIs (REST, GraphQL, and similar) and can create integrations with other backend

Senior Software Engineer (Backend - Rust) ¿Es usted el candidato adecuado para esta oportunidad? ... Responsibilities Design and build backend services and shared libraries in Rust Design and operate ... This role is ideal for engineers who enjoy designing scalable backend systems, solving complex technical ... base Overview A high-scale technology platform is looking for experienced Rust engineers to join a backend ... microservices architectures Event-driven systems and Kafka gRPC and high-throughput APIs Large-scale backend

backend architecture In-memory processing Modern infrastructure and cloud tooling What we offer ... This role is focused on high-performance backend development for the exchange core and surrounding ecosystem ... core exchange infrastructure and trading systems Designing and building high-throughput, low-latency backend ... a next-generation trading platform What were looking for 5+ years of experience with C# / .NET backend ... Strong system design and backend architecture skills Tech stack C# / .NET (latest versions) High-performance

This role is focused on high-performance backend development for the exchange core and surrounding ecosystem ... core exchange infrastructure and trading systems Designing and building high-throughput, low-latency backend ... of a next-generation trading platform What were looking for 5+ years of experience with C# / .NET backend ... Strong system design and backend architecture skills Tech stack C# / .NET (latest versions) High-performance ... backend architecture In-memory processing Modern infrastructure and cloud tooling What we offer Opportunity

We are hiring a Senior Backend Python Engineer (5+ years of experience) to be part of the development ... What You’ll Be Doing Design and implement scalable backend services for a RAG-based system Design ... and chunking strategies Ensure testing, reliability, and production readiness Proactively propose backend ... candidate must be highly autonomous, capable of making architectural decisions, and comfortable owning both backend ... Engineering, or equivalent experience Minimum 5 years of experience developing microservices 5+ years of backend

Backend ↔ BI Bridge & Ownership Act as the primary bridge between Backend Engineering and BI, owning ... without owning core backend services. ... Collaborate with BI and Backend teams to troubleshoot and resolve complex issues. ... You will design and maintain ETL pipelines, collaborate closely with Backend and BI teams, and act as ... This role is not purely analyst nor purely backend: it is a cross‑functional ownership role responsible

Responsibilities Develop Backend Systems Design and implement scalable, high-performance backend solutions ... The Role As a Senior Backend Software Engineer, you will play a pivotal role in designing, developing ... Strong hands-on experience with Python for backend development, automation, and data processing. ... Qualifications Proven experience designing, developing, and scaling high-performance backend systems

Backend familiarity (e.g., Java) for integration testing of connected game services. ... As a developer you are also analytical and naturally curious about understanding the entire tech stack ... Drive improvements in test reliability and developer experience: faster pipelines, better failure artifacts

Salesforce Administrator (They/She/He) - HQ Backend Developer ( Java + Python) 100% remoto We’re unlocking ... increase your chances of interviewing at Delivery Hero by 2x Sign in to set job alerts for “Salesforce Developer

This is a backend-focused role with high ownership and real impact, working on Identity & Access Management ... Ruby on Rails (not previous experience required). 💻 What you’ll work on End-to-end ownership of backend ... teams Ruby on Rails · PostgreSQL · Redis · AWS · Kubernetes (Some TypeScript & React exposure, but backend ... allowance Collaboration with distributed teams across Europe and North America If you’re a senior backend

Requirements Backend depth. ... Take a problem from schema design through backend logic, API, and the edges of the frontend.

As a Backend Engineer At Fourthline, You Will Design, develop, maintain, and improve our microservices

Backend Engineer (Python, Kubernetes, AWS) The Role As a Backend Engineer, you will design and build ... This role offers strong ownership of backend architecture and the opportunity to shape platform standards ... What You’ll Do Design and implement backend services and APIs using Python frameworks Build and deploy ... in Computer Science, Engineering, or related field, or equivalent practical experience 2+ years of backend ... for junior candidates; 6+ years for senior candidates Professional experience developing production backend

Summary Ruby on Rails powers Toptal’s public-facing web presence, and we’re looking for a sharp Ruby developer

Internally our backend code is in general based on PHP / Symfony our frontend is based on React our mobile

Design, build, and maintain efficient, reusable, and reliable code. Conduct code reviews and participate in architectural design meetings. Evolve into the AWS expert, guiding the team in evaluating and selecting AWS technologies. Write unit, integration, API, and automation tests.

We are looking for a Staff Backend Engineer!

Engineers from the team Interview with Aldenis, VP of Engineering and Eric, Senior Backend Engineer ... products, especially regarding ads bidding and user segmentation; Team up with our colleagues (think Backend ... our hiring process: HR Call with Claire, Talent Acquisition Partner Tech interview with two Senior Backend