74 backend developer English-speaking jobs in Catalonia

About the job Frontend developer (REACT) The Role We are looking for a full-time Web Developer. ... You will work on a day-to-day basis with our design and backend team to build a scalable and solid product

As a Full Stack .NET Developer, you will develop and maintain distributed solutions using ASP.NET, ASP.NET ... Proficiency in SQL and backend data integration. ... Backend solutions interact with MS SQL and SAP data layers. ... Backend solutions are, primarily, n-tiered .NET Framework and .NET Core implementations; technologies ... You will work with n-tiered .NET Framework and .NET Core backend solutions, including WCF Services, RESTful

Profile 5+ years of professional experience as a software developer. ... Experience with Kotlin (JVM) for backend development. ... Extensive knowledge in server‑side backend development. ... Responsibilities Design, implement, maintain and operate robust backend services to support scalable

Join to apply for the Backend Engineer (Typescript) (50K€-65K€) role at Joppy We’re hiring a Backend ... Engineer for our client — someone who’ll own the backend systems that power our crypto and self‑custody ... Your profile 3+ years of backend experience building production systems in Go or TypeScript. ... What you’ll do Design, implement, and operate scalable, resilient backend services handling millions

As a Senior II Backend Engineer, you’ll set the technical direction, lead cross-functional projects, ... What you’ll be doing Own and drive technical vision across squads Develop and own backend features using ... Design and implement scalable backend systems, data pipelines, and integrations with third‑party platforms ... Python/Django, supporting the creation of new backend services as well as design, create, and/or troubleshoot

Experienced in developing backend systems with NodeJS. ... Develop interfaces between our backend APIs and consumer touchpoints. ... Create backend services following the "API First" principle.

Referrals increase your chances of interviewing at Kleinanzeigen by 2x Get notified about new Salesforce Developer ... Collaborate with cross-functional teams (backend, product, UX) to define and deliver innovative solutions ... services) Experience in an Agile environment, collaborating closely with designers, product managers, and backend

Technical Stack Modern backend: 5+ years of experience in building complex distributed systems in Java

Senior Backend Engineer to design, develop, test, deploy, and maintain software in a JVM language and Spring Boot. Experience with microservice architecture, relational and non-relational databases, and AWS is required. Full professional proficiency in English is necessary.

great mentorship skills Your Qualifications 7+ years of experience as a professional software developer ... development Strong and proven knowledge of ReactJs or React Native Experience with Python or another backend

Collaborate closely with engineers to enhance the developer experience and internal tooling. ... Containers: Docker, Kubernetes CI/CD: GitHub Actions, Monorepo (Turborepo) Backend: Node.js, TypeScript

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

About the role As a Backend Staff Engineer, you will drive the technical standards for the Backend across ... You will contribute to scaling up Backend engineers in multiple squads and bringing great talents on ... You will lead Backend engineers with tech roadmaps, architecture decisions, and feature development and ... technical leadership, and mentoring others About your experience At least 10 years of experience in backend

Develop and own backend features using Python/Django, supporting the creation of new backend services ... As a Senior II Backend Engineer, you’ll set the technical direction, lead cross‑functional projects, ... Design and implement scalable backend systems, data pipelines, and integrations with third‑party platforms

What You Need To Succeed Full‑Stack Expertise：Primarily backend‑focused (70‑80% backend, 20‑30% front‑end ... ) requiring solid backend expertise and well‑rounded full‑stack engineering skills. ... Meet the Team Our team builds scalable, resilient products using Python/Django on the backend and React ... Back‑end Development：Develop and own backend features using Python/Django, supporting the creation of ... new backend services and designing, creating, and troubleshooting integrations with third‑party vendors

initiatives end‑to‑end through influence, collaboration, and hands‑on execution Work hands‑on with our core backend ... Snyk), secret scanning, and relevant DAST/API testing where it adds signal Integrate findings into developer ... CD (SAST, SCA, secret scanning, and related controls), including tuning to reduce noise and improve developer ... applications (AWS, Kubernetes, infrastructure boundaries) Experience building internal security libraries, developer

Comfortable using modern developer tools, including AI-assisted workflows like Claude Code, to improve ... Collaborate closely with product, design, and backend engineers to define technical direction and deliver

**Good experience/knowledge:*** In collaboration with developer / development structures.* In software ... architecture (different frameworks, frontend, backend, cloud computing structures).* Of automation technology

These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft

We’re currently looking for a Backend Engineer with Ruby on Rails experience to join our B2B team. ... You’ll be using our core backend stack (Python/Django), working on features and engineering initiatives ... features using Python/Django, supporting the creation of new backend services as well as design, create ... Our core backend stack is Python/Django with React on the frontend, but we’re pragmatic and tech-agnostic ... web applications (e.g. well-designed APIs, high-volume data pipelines, efficient algorithms); Solid backend