487 backend developer English-speaking jobs in Poznań

secure backend services. ... Position: Kotlin Developer Location: remote Employment type: B2B About the role: We are looking for an ... experienced Kotlin Developer to join team and contribute to building high-performance, scalable, and ... Access to cutting-edge tools and technologies in a modern backend ecosystem. ... Required Skills and Experience: Strong proficiency in Kotlin and JVM-based backend development.

Step into RedStone – the fastest-growing blockchain startup – as a Backend Developer About Us RedStone ... As a Senior Backend Engineer at RedStone , you’ll take ownership of core components powering our oracle

Role Overview We are looking for a Senior Backend Developer to join our product engineering team. ... Essential Requirements 5 years as a professional developer, with strong experience in Backend Development ... Preferred Requirements Some knowledge of React/TypeScript and backend API integration. ... This is a hands-on role for someone who enjoys building strong, scalable, and secure backend systems. ... Key Responsibilities Design, build, and maintain backend features and services with Python and Django

Summary: The Senior Developer will play a crucial role in the Development & Innovation team, focusing ... Main Responsibilities: Develop and maintain backend services using .NET technologies. ... on building integrations and backend solutions to enhance the core system's capabilities in Microsoft

Senior Fullstack Developer - Freelancer SKILLS: Node.js | Angular | Auth0 | B2B: PLN 140 - 160 / Hour ... Expert proficiency in Node.js for building scalable backend services (RESTful APIs). ... Roadmap to Your Professional Success Scope of responsibilities: Design, build, and maintain scalable backend ... microservices to support frontend and mobile applications Ensure high performance and responsiveness of backend

or in a similar backend engineering roleExcellent knowledge of Python 3.x and its ecosystemHands-on ... develop cutting-edge solutions and services that keep them at the forefront of innovation.Senior Python Developer ... and deployment improvementsHere's a set of skills we require:5+ years of experience as a Python Developer ... Requirements: A Roadmap to Your Professional Success Scope of responsibilities:Design, develop, and maintain backend

Swift/ iOS Developer Location: 100% remote (EU-based) Contract type: B2B Working time: Full-time About ... talent pool for upcoming projects.If you’d like to be considered for future opportunities as an iOS Developer ... project (2–3 years, with possibility of extension) Stable and collaborative international team: mobile, backend ... Participate in code reviews and enforce security best practices Cooperate closely with other teams (mobile, backend

We are looking for an experienced and passionate Senior Java Back-end Developer to join our Consulting ... Key Responsibilities Develop and maintain scalable backend services using Java , Spring , Spring Boot ... Strong experience building and maintaining backend services using Spring, Spring Boot, and microservices

We are seeking a highly skilled Senior Java Back-end Developer to join our Consulting team and contribute ... Key Responsibilities Develop and maintain scalable backend services using Java , Spring , Spring Boot ... If you are passionate about backend engineering and ready to make a measurable impact, this role is an ... Optimize backend performance and ensure reliability, scalability, and maintainability of the services ... Hands-on experience in designing, developing, and maintaining backend services in Java, Spring, Spring

We obsess over backend quality because we're building the quality layer for AI itself. ... As a Backend Engineer at Shelf, you'll architect and build the distributed systems that make enterprise

About the role Role: (Senior) Fullstack Developer Tech: Node.js, React, Next.js, TypeScript, REST API ... Required Skills & Qualifications 3+ years as a Fullstack Developer Strong experience in Node.js, TypeScript ... Build backend logic in Next.js (API routes, Server Actions). ... Strong grasp of performance optimization techniques for backend APIs. ... and REST API development Proficiency with React and Next.js (especially backend capabilities: API routes

However, the setup requires major backend rework and frontend UX simplification to reach production-grade ... Current Tech Stack: LeadSpark CRM: Node.js backend, React frontend Mautic: PHP-based marketing automation ... modified) Infrastructure: Cloud-hosted (details available under NDA) Deliverables: Architecture plan for backend ... Looking for: 2 PHP Developers & 2 Senior PHP Developer for two different projects . ... Fluency in English (B2) - both written and spoken is needed. 2 Project Search: Senior PHP Developer Start

and develop cutting-edge solutions and services that keep them at the forefront of innovation.Senior Developer ... Roadmap to Your Professional Success Scope of responsibilities:Design, build, and maintain scalable backend ... deployment processesHere's a set of skills we require:5+ years of professional experience as a backend ... microservices to support frontend and mobile applicationsEnsure high performance and responsiveness of backend

cutting-edge solutions and services that keep them at the forefront of innovation.Senior Fullstack Developer ... Roadmap to Your Professional Success Scope of responsibilities:Design, build, and maintain scalable backend ... microservices to support frontend and mobile applicationsEnsure high performance and responsiveness of backend ... development experience, with a strong focus on Fullstack roles.Expert proficiency in for building scalable backend

functions, and triggers Ensure database code quality, performance, and scalability Support integration with backend ... Oracle Developer Location: Poland / 100% remote Contract: B2B Capacity: Full-time Who we are Kyotu Technology ... with Java , Spring Boot , or JDBC integration Knowledge of Oracle APEX , JDeveloper , TOAD , or SQL Developer ... tuning and debugging in Oracle environments Familiarity with version control (Git) and teamwork in multi-developer

Work with backend engineers on REST APIs. ... Improve developer workflows with tools like ESLint, Prettier, and Storybook. ... You will make sure the code is scalable, fast, and high quality, and you will work closely with backend ... Essential Requirements Strong experience as a Senior Frontend/Fullstack Developer or React Engineer in

Integrate APIs for seamless data flow with backend teams. ... 100% remote Form of cooperation: B2B ROLE SUMMARY : We are seeking a highly skilled Senior/Lead Mobile Developer ... Collaborate with product managers, designers, and backend engineers to define app requirements.

What You’ll Be Doing Building and maintaining complex web applications using Java (backend) and Angular ... The Opportunity Join us as a Senior Java Full-Stack Developer and be part of international, enterprise-level ... Azure to deploy scalable services What You’ll Bring ✅ 5 years of commercial experience as a Fullstack Developer

CommerceTools Developer Miejsce pracy: Poznań Technologies we use Expected CommerceTools Java REST GraphQL ... Spring Boot About the project We are looking for an experienced CommerceTools Developer to join our ... Your responsibilities Design, develop, and maintain CommerceTools-based backend services using Java / ... services Implement scalable APIs and microservices to integrate CommerceTools with other systems Optimize backend

backend system for our consumer-facing applications. ... We’re looking for an experienced Backend Consultant (Node.js / AWS) to join and help us build a brand-new ... environment Working in a 4-person agile team Tackling complex backend challenges to make applications ... What you’ll be doing Designing the architecture and developing a greenfield Backend for Frontend Advising ... the team and contributing to key technical decisions Building and scaling backend services in a serverless