52 backend developer English-speaking jobs in Castile and León

Senior Mobile Engineer / IOS Developer / Android Developer - Remote - Spain Our client is seeking a Senior ... to defining and reinforcing best practices in both Flutter and native mobile development.Work with Backend ... modules, develop custom plugins, and optimise performance.Implement efficient data communication with backend ... for iOS experience (Swift/Objective-C)Significant hands-on experience integrating mobile apps with backend ... contributions, and career advancement.If you love building resilient systems, enjoy solving deeply technical backend

Take Your Career to the Next Level with Amaris Consulting as a Python Developer! ... We are looking for a skilled Python Developer to support the integration of advanced scientific models ... have a proven track record in building scalable, high-quality applications, with strong expertise in backend ... transformation or data integration projects.Strong proficiency with Python, FastAPI/Flask, and RESTful APIs for backend

Take part in code reviews and suggest technical enhancements Keep up-to-date with backend development ... Key Responsibilities: Build backend services with .NET technologies Design scalable system architectures ... understanding of API development and integration Experience with databases (SQL / NoSQL) Understanding of backend

Senior FullStack Developer (Python/React)Location: Remote from Spain (Spanish employment contract)Our ... array of problems from developing a UI that is responsive to the user and fun to choosing the right backend ... scale.Requirements:5+ years of experience developing scalable applications using both frontend and backend ... recognition & rewards, documentation, training etc.We are looking for an experienced Senior Product Fullstack Developer

Developer to join our team. ... methodologyWork closely with the design team to build reusable code and modulesIdentify gaps in the backend ... You’ll be responsible for the development of our core business payment backend applications in collaboration ... providing help or answers.The role:Due to the growth of our business, we are looking for a Senior PHP Backend ... Computer Science related studyMaster’s degree is a plusJob Experience5 years of experience as a PHP backend

API Azure Senior Engineer (Backend Tech Lead)Location: Remote from SpainContract: 12 month contract + ... Tech Lead to design, architect, and deliver cloud-native backend solutions using Microsoft Azure and ... €30–€35/hour (Gross)Start: ASAPRole OverviewWe are seeking an experienced API Azure Senior Engineer / Backend ... services.• Build cloud applications using .NET 6+ and C#.• Architect backend and integration solutions ... role within an enterprise environment.Key Responsibilities• Design, develop, and test REST APIs and backend

You will develop professional web and backend applications, with agile software development, ensuring ... You are an expert developer with extensive experience in complex online stores. ... largest German e-commerce companies and are looking for reinforcement in Spanien.Frontend Software Developer

You’ll help shape our core backend systems, designing and implementing services that are highly performant ... Our Ideal CandidateStrong Computer Science FundamentalsProven Backend Engineering ExperienceGo and/or ... contexts, you’ll find this role both stimulating and rewarding.What You’ll DoBuild High-Performance Backend ... scalable services using Go and Java, contributing directly to the evolution and reliability of our backend ... contributions, and career advancement.If you love building resilient systems, enjoy solving deeply technical backend

####### ONLY FOR RESIDENTS IN SPAIN #######We are looking for a passionate Senior Full-Stack Developer ... work closely with our Product and Design teams to develop complete Full-Stack features—from robust backend ... You won't just build the API; you will ensure the data flows seamlessly from our backend services ... If you think that TypeScript is the way to go and are able to push to future standards, great :).Backend ... step for scaling, not a hurdle.Communication: Strong collaboration skills to bridge the gap between Backend

Senior Backend Engineer | Go / Java | RemoteA leading scheduling platform, used by over 30 million people ... , is hiring a Senior Backend Engineer to work remotely in Spain.In this role, you will be a builder and ... You will help shape the core backend systems, designing services that are highly performant, scalable ... observability.Contribute to a culture of continuous learning and thoughtful engineering.Our Ideal CandidateWe seek a backend

, document, and maintain APIs supporting web, mobile, and internal applications.Design and optimize backend ... uphold engineering standards.Identify opportunities to improve service reliability, performance, and developer

Role - Actimize Developer Location - SpainType of Employment - PermanentRole OverviewWe are looking for ... a Senior Actimize Developer with strong expertise in Actimize SAM (Suspicious Activity Monitoring) and ... , and production issue resolution.Required Skills & Experience5+ years of experience as an Actimize Developer

reviews to reinforce mobile development best practices.Collaborate Cross-Functionally: Partner with Backend ... for iOS experience (Swift/Objective-C)Significant hands-on experience integrating mobile apps with backend ... performance.Optimize API Communication: Implement reliable data fetching and error handling using GraphQL and REST for backend

intercultural environment and availability to travel.Knowledge on Veeva CRM is valuableSalesforce Platform Developer

.• Integrate DocuWare with portals and backend services (Java/.NET) using REST APIs, SDKs, andevent-driven

.• Collaborate with the AI, backend, and frontend teams to synchronize voice, gestures, and expressionsin ... performance optimization across devices.• Ability to work in a multidisciplinary team (AI, design, backend

managed and sponsored).What You’ll Be Working OnBuilding full-stack features end to end (frontend + backend ... solutionsRequirementsExperience as a Full Stack EngineerProficiency in React, TypeScript, and Next.jsStrong backend

with Typescript and ReactExperience as software developer with GoPassion for Open Source and technologyAble ... team player, and enthusiasm for open source.Our requirements are the following:Experience as software developer

What we’d like you to doDesign, develop, and maintain backend services using Python, PostgreSQL, and ... GraphQL.Design, develop, and maintain Frontend services using React.Collaborate with other backend and

deeply experienced infrastructure engineer with strong Kubernetes expertise and a solid understanding of developer ... security, scalability, and cost optimizationDeveloper Experience (DX) & Platform EnablementImprove developer