1270 backend developer English-speaking jobs in Lesser Poland Voivodeship

Strong backend skills; T‑shaped engineer with full‑stack awareness. ... Ability to design scalable, secure backend services with high‑performance components.

Responsibilities Analyze the existing backend architecture and codebase to identify technical debt, ... services to address identified architectural or performance issues Develop and maintain backend APIs ... Python Proficiency: Practical experience with Python for backend logic or data processing (this is a ... development experience Strong experience with NodeJS and modern backend frameworks Cloud Infrastructure ... team in evaluating the current data model, APIs, and data processing logic Implement improvements to backend

We are currently looking for a Backend Software Developer with strong Rust and database experience to ... If you already have experience as a developer and are looking for a new challenge, apply now!

Role Overview We’re looking for a Backend Python Developer to take ownership of product development across ... backend systems. ... Backend Principles: Strong understanding of backend architecture principles and best practices for RESTful ... Mandatory Backend Expertise: Proven, in-depth experience with Python Database Proficiency: Strong experience ... Cross-Functional Collaboration: Work closely with cross-functional teams to ensure backend systems effectively

Are you a passionate Junior Backend Java Developer eager to make an impact? ... Join EPAM’s dynamic engineering team, where you’ll help create, maintain, and enhance the backend of ... Responsibilities Develop and maintain backend features for a customer-facing application, ensuring

Backend Engineer (Hybrid – 2 days/week in the office) We are looking for an experienced Backend Engineer ... In this role, you will be responsible for building scalable, high-quality backend systems and contributing ... business applications with high quality and low maintenance overhead Basic understanding of frontend-backend

role, you will bypass maintenance of legacy systems to design and develop high-scale, event-driven backend ... Core Responsibilities Architect and scale mission-critical backend services using Node.js and TypeScript

, Backend Developer , or Integration Developer role Strong development experience in Python Good hands-on ... / front-office Requirements: 5 years of experience in software engineering, ideally in a Fullstack Developer ... across investment systems Project description: We are looking for an experienced Aladdin Fullstack Developer

backend services using TypeScript Design and implement developer-centric UX improvements Integrate with ... The role combines modern frontend engineering with CLI tooling and backend TypeScript services, focusing ... platforms Solid understanding of API integrations and backend workflows Familiarity with GitHub workflows ... on building high-quality developer experiences and SDK integrations. ... Key Responsibilities Develop and enhance developer UI features using Angular Build and maintain CLI and

For our Client we are looking for an experienced Java Developer to build, and maintain scalable backend ... 📍 Project for our Client from the financial sector Key Responsibilities: Develop and maintain backend ... cross-functional teams to deliver end-to-end solutions Requirements: 5+ years of commercial experience in backend

role, you will bypass maintenance of legacy systems to design and develop high-scale, event-driven backend ... Core Responsibilities Architect and scale mission-critical backend services using Node.js and TypeScript

Location: 100% remote Tasks Design, develop, and maintain scalable backend services and APIs Build secure ... Implement and manage secure authentication flows using SAML 2.0 and SSO Integrate backend services with ... , high-performance backend systems using Python 3 and Java Implement RESTful APIs and microservices architectures ... technical documentation Work in an Agile/Scrum development environment Requirements At least 3 years of backend

We’re looking for a Senior .NET Developer to design and build scalable backend systems using modern ... Infra: Docker, CI/CD Other: REST APIs, distributed systems What You’ll Do Design and build backend ... For 5+ years of experience with .NET / C# in production environments Strong understanding of backend

Remote Type B2b /Employment contract Roles and Responsibilities A Java Tech Lead with a strong focus on backend ... with Principal Engineers, other Tech Leads, and the Head of Engineering to develop and maintain our backend

Position overview In this role, you will improve and maintain existing backend services written in Go ... Responsibilities Maintain and improve existing backend services written in Go Design schemas, optimize ... queries, and manage safe database migrations in PostgreSQL Develop backend logic and agentic components ... , and infrastructure components Requirements Experience developing backend services using Go Experience ... This position provides opportunities to influence backend architecture and extend the platform with scalable

Improve performance, reliability, and API responsiveness with measurable results Build and enhance developer ... distributed systems knowledge Hands-on mindset: you write code, not just diagrams Experience using modern AI developer ... Kraków, Hybrid 3days/office OR remote Employment type : permanent - UoP Salary: up 30000zł/month Senior Backend ... Modernisation & AI Enablement You’ll join a small, senior team working hands-on to modernise critical backend ... smooth handover and long-term ownership Share best practices and mentor teams What You Bring 8 years of backend

We are seeking an experienced Senior Java Developer with strong expertise to join our dynamic and innovative ... role, you will be responsible for designing, developing, and maintaining high-performance, scalable backend

Summary: The Senior .Net API Developer role focuses on developing and maintaining the Nordic commercial ... The primary goal is to lead initiatives in backend API development while maintaining high standards of ... Rate: 160-180 zł/day VAT Responsibilities: Design and implement new external partner REST APIs Lead backend ... standards Participate in agile ceremonies and technical discussions Key Requirements: Senior-level backend

to the design and delivery of high-quality backend services. ... Job Description We are looking for an experienced Senior Java Developer to join our team and contribute ... Key Responsibilities Design, develop, and maintain scalable backend services using Java 17+ and Spring

Integrate frontend and backend with blockchain data. ... Join our team as Junior/Mid FullStack Developer with Blockchain in Krakó | Hybrid. ... We’re looking for a Junior/Mid-level FullStack Blockchain Developer passionate about building modern ... Important traits: Basic understanding of frontend/backend structure and AWS services exposure; familiarity