1594 backend developer English-speaking jobs in Masovian Voivodeship

On behalf of NDA, FinTech, SD Solutions is looking for a talented Backend Engineer. ... Strong proficiency in at least one modern backend language such as Java or Kotlin. ... As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our ... You will focus on building scalable, secure, and high-performance backend services, handling critical ... Responsibilities: Design and implement scalable backend architecture, services, and APIs for core financial

We are looking for an experienced Fullstack Developer to join the team with a product that supports resale ... agentic workflows as part of everyday software development Tech stack: Frontend: React, micro frontends Backend ... lifecycle of the application, including production deployment What we are looking for: Strong experience in backend

Requirements At least 3 years of experience as a Fullstack Developer. ... Hands-on experience with modern frontend/backend frameworks and API design. ... Develop frontend and backend architecture, APIs, and integrations with existing systems.

Backend development using Java 17 and JPA, creating scalable and maintainable business logic.

users and data sources.ResponsibilitiesAnalyze the existing React-based user interface and Node.js backend ... to identify performance, architectural, or integration issuesRefactor and improve UI components and backend ... interfaces and server-side logic used by administrators, customers, and auditorsDesign and develop backend

API & Backend : Experience with REST/SOAP API development and database design. ... Job description As a Salesforce Developer, you will be responsible for: Designing innovative cloud and ... private healthcare, life insurance, hardware reimbursement, flexible hours Clear career path – from Mid Developer

Role Overview: As a Junior Full Stack Developer , you will support the design, development, and maintenance ... of both backend and frontend components of our software solutions. ... Ensure security, scalability, and performance in all backend solutions Frontend Development: Develop ... Key Responsibilities: Backend Development: Develop robust, configurable applications using Java 17+ and ... frameworks Git GitHub Strong English communication (B2/C1 level) Nice to Have: Experience with Java backend

Role Overview: As a Junior Full Stack Developer , you will support the design, development, and maintenance ... of both backend and frontend components of our software solutions. ... Ensure security, scalability, and performance in all backend solutions Frontend Development: Develop ... Key Responsabilities: Backend Development: Develop robust, configurable applications using Java 17+ and ... frameworks Git GitHub Strong English communication (B2/C1 level) Nice to Have: Experience with Java backend

quality and reliability of systems REQUIREMENTS Must-have: Minimum 8 years of experience as a Python Developer ... The project focuses on building a high-performance backend platform that handles large volumes of events ... WORK MODE 100% remote (optional visits to the office in Warsaw ) RESPONSIBILITIES Development of backend

systems and troubleshoot production issues Required Skills & Experience Proven experience as a Full Stack Developer ... Strong proficiency in Angular or React Solid backend development experience (e.g., Node.js, Java, Python ... applications Build modern frontend applications using Angular or React Develop and integrate RESTful APIs and backend

Strong experience as a CMS Developer, with deep expertise in Drupal Hands-on experience with: Drupal ... TypeScript React.js, Next.js HTML5, CSS/SCSS, Tailwind jQuery, AJAX , asynchronous request handling Backend ... React.js and Next.js (SSG/SSR, i18n, performance optimisation ) Integrate front-end components with backend

defining project requirements, to designing, building, and deploying software applications for web, backend ... TL;DR • Who: Senior Node.js Developer • Contract Type: B2B Framework Agreement • Salary range: Up to ... You will be the best fit if you have: • 5 years of experience as a Node.js developer, preferably with ... be doing: • Designing, implementing, and maintaining high-quality Node.js applications. • Developing backend

defining project requirements, to designing, building, and deploying software applications for web, backend ... TL;DR • Who: Senior .NET Developer • Contract Type: B2B Framework Agreement • Salary range: Up to 150 ... You will be the best fit if you have: • 5 years of experience as a C#/.NET developer, preferably with ... ll be doing: • Designing, implementing, and maintaining high-quality .NET applications. • Developing backend

Developing backend components and APIs to support scalable software solutions. ... TL;DR • Who : Senior Java Developer • Contract Type : B2B Framework Agreement. • Salary range: Up to ... defining project requirements, to designing, building, and deploying software applications for web, backend ... You will be the best fit if you have: 5 years of experience as a Java developer, preferably with exposure

Senior Full Stack Engineer, Creator Recruit We are seeking a highly skilled Senior Full Stack Developer ... Partner closely with product, design, and backend engineering to shape the future of Creator Tools and ... Work across the stack to integrate frontend applications with backend services and APIs, ensuring stable ... The ideal candidate will have extensive experience with frontend frameworks, a solid understanding of backend ... Implement effective testing strategies, ensuring high coverage across both frontend and backend components—including

Role Overview: As a Full Stack Developer , you will play pivotal role in the design, development, optimization ... Ensure security, scalability, and performance in all backend solutions Frontend Development : Develop ... Key Responsabilities: Backend Development: Develop robust, configurable applications using Java 17+ and ... with other engineering teams Contribute to design discussions and mentor junior developers Skills: Backend ... ) Qualifications: Bachelor’s degree in Computer Science or related field, plus 5 years professional backend

We are looking for a Senior Go Developer to join our dynamic team and work on cutting-edge AdTech solutions ... learner with a drive for self-improvement Responsibilities Design, develop, and maintain high-performance backend

About the position We are seeking a Python Full Stack Developer with strong experience building scalable ... Key responsibilities Build scalable, efficient, and maintainable backend systems and APIs using Python ... You will design, implement, and optimize backend services while also contributing to frontend development ... frameworks Implement clean, efficient, and well-documented code across both backend and frontend components

Embark on a journey of continuous growth and advancement as a Mobile App Developer , becoming an integral ... performance, quality, and responsiveness across a wide range of devices Connect mobile apps to the backend ... automated tests (Unit and UI) to maintain high-quality standards Collaborate closely with designers, backend ... managers Work in a young, dynamic team responsible for the entire product ecosystem—from hardware to backend

Visual Studio Code Azure DevOps Jira about-project : We are seeking an experienced SAP ABAP/RAP Developer ... This senior backend development role involves implementing business logic within SAP S/4HANA, developing ... responsibilities : Design and develop backend SAP solutions using ABAP Object-Oriented programming ... requirements-expected : Proven experience in SAP backend development with strong expertise in ABAP