577 backend developer English-speaking jobs in Lower Silesian Voivodeship

Your work will directly influence system performance, scalability, and the overall developer and user ... Experience profiling backend/database-heavy systems in production. ... Required Skills Expert-level C# / .NET backend engineering. Strong database design experience. ... query performance by identifying inefficiencies in traversal, filtering, projection, aggregation, and backend ... includes optimizing how data is traversed, filtered, aggregated, and executed, with a strong awareness of backend

Full Stack Developer (Node.js/React)Miejsce pracy: WrocławTechnologies we useExpectedReact.jsNode.jsJavaScriptTypeScriptPythonDockerLLMAbout ... It combines frontend, backend, and AI-powered product development, with a strong emphasis on scalability ... React and modern frontend development practicesExperience with Node.js, JavaScript/TypeScript, and backend ... Engineering, or equivalent practical experienceStrong hands-on full-stack experience across frontend, backend ... interactive and scalable frontend applications using React with a focus on performance and usabilityDevelop backend

Full Stack Developer (Node.js/React) Miejsce pracy: Wrocław Technologies we use Expected React.js Node.js ... It combines frontend, backend, and AI-powered product development, with a strong emphasis on scalability ... React and modern frontend development practices Experience with Node.js, JavaScript/TypeScript, and backend ... Engineering, or equivalent practical experience Strong hands-on full-stack experience across frontend, backend ... interactive and scalable frontend applications using React with a focus on performance and usability Develop backend

For one of our clients, we are currently seeking an experienced Full‑Stack Developer (Ruby on Rails) ... Design, implement, and ship new features as well as future releases of the platform across frontend and backend ... Required: Minimum of 3 years of professional experience in web development, with solid knowledge of both backend

Improve developer experience by reducing boilerplate, improving test coverage, simplifying local setup ... This is a hands‑on engineering role for someone who can move confidently from backend architecture to ... Experience building React and TypeScript applications that consume real backend services. ... Develop APIs and backend workflows that support AI‑enabled document and contract intelligence. ... Strong ability to debug across backend, frontend, database, authentication and infrastructure layers.

About the Role We’re looking for a solid Backend Engineer (Go) with a strong sense of ownership to join ... What you’ll do Develop, scale, and maintain backend services (Configuration API, TextApp services, Integration ... You may be a great fit if you have 4+ years of backend engineering experience in product-focused environments

Build a new microservices system for a new eSIM product. Develop features for personalization, A/B testing, and analytics. Mentor colleagues and collaborate with cross-functional teams.

As a Senior Full-Stack AI Developer, you will not just integrate APIs; you will own the entire lifecycle ... Requirements: 8–12 Years of Experience: Proven track record as a backend-leaning senior engineer who ... You will architect resilient backend systems, secure integration plumbing, and seamless deployment workflows

end-to-end blockchain architecture and integration strategyExperience building stand‑alone blockchain developer ... decisions and guide a team of engineers in building complex systems end-to-endQualifications5+ years of backend ... or private markets domainsKey Responsibilities and Your ContributionLead design and development of backend

Your profile: strong hands-on experience in backend engineering, very good knowledge of Java, used in

About the Role We're seeking a hands-on VPN Backend Architect (Golang) to lead our backend team while ... Backend Architect (Golang) Poland, Remote or Ukraine, Remote or Romania, Remote Point Wild helps customers ... You'll set technical direction for our backend platform serving millions of users, guide an engineering ... What You'll Do Define and evolve the architecture of our backend platform serving connections from millions ... best practices across the team Partner with the SDK team to integrate client features cleanly into backend

ABOUT THE ROLEWe are looking for a Senior Backend Engineer to lead a critical migration from a monolithic

Senior Backend Engineer to design, build, and scale cloud services for AI-powered edge devices. Responsibilities include managing device observability, OTA updates, and fleet operations. Requires 5+ years of experience with AWS services (EKS, S3, SQS, RDS, Cognito, Lambda), Python or Go, Kubernetes, and relational/document databases.

Try Text About your team You’ll join AI Engines – the team building the backend “brain” of AI Agents ... To make this happen, we need to design highly scalable backend systems capable of handling millions of ... You will be responsible for Hands‑on building, scaling, and maintaining the core backend architecture ... You may be a good fit for this role if you Have 6+ years of experience in backend development, with ... to give you time to learn our specific AI frameworks and databases on the go, as long as your core backend

Senior Python Engineer — financial backend development and integrations for UK clients.

Join our team as a Senior PHP Software Engineer (Symfony) and work on advanced backend solutions built ... About the project You will be developing the backend for modern systems using PHP 8.4, Symfony 7.x (LTS ... Your responsibilities Designing and developing backend services in PHP and Symfony Creating and maintaining

In this role, you will design and develop internal developer tools as well as automate testing and release ... Responsibilities Designing and implementing backend CLI tools and APIs in C# / .NET (latest versions) ... Expert knowledge of C# / .NET (latest versions) with hands-on experience in building CLI tools and backend

fullstack developer architect product owner UX designer What we offer Practical benefits: yearly financial ... flows, prompt orchestration, streaming, and evaluation Collaborate closely with Product, UX/UI, AI/ML, Backend ... Strong expertise in modern frontend technologies (such as React, Angular, or Vue) Solid understanding of backend ... Engineering, and Architecture in agile environments This is how we organize our work Team members frontend developer

We are looking for a Senior Fullstack Developer to design and develop new features and modules for our ... Engineering, or a related field Proven experience as a Software Engineer with a significant focus on backend

Work split ~80% backend, 20% frontend. ... We are looking for a senior backend‐heavy fullstack engineer who can own features end‐to‐end — from data ... data models, API contracts, service boundaries, test strategy Build and maintain the Java/Spring Boot backend ... proficiency in React and TypeScript — you can pick up frontend tasks, build components, and integrate with backend ... that powers the product's core logic Contribute to the React/TypeScript frontend when needed — you're backend-primary