3077 backend developer English-speaking jobs in Masovian Voivodeship

At Sii, we are looking for a Java Developer to join an innovative AI-driven fraud-prevention initiative ... accuracy using data-driven feedbackRequirementsAt least 5 years of commercial experience as a Java Developer ... event-driven architecturesExperience with multi-threaded applications, RESTful services, and scalable backend ... in complex backend systemsHands-on experience with Kafka, Redis, and AWS in production-grade environmentsSolid ... *Your tasks*Design and implement new backend services that extend an AI-powered fraud detection platformTranslate

a practical, results-oriented group focused on building high-performance, scalable systemsfrom the backend ... without the corporate red tape.What You'll Be DoingDesigning, developing, and maintaining our core backend ... Job DescriptionFull Stack Developer (Golang + React)Location:Fully remote only within UTC+2 to UTC+4 ... timezones (CEE, CIS, Central Asia).About The OpportunityAre you a Full Stack Developer (Go/React) who ... both SQL and NoSQL databases.QualificationsMust-Haves4+ years of commercial experience as a Full Stack Developer

We are looking for a Java Backend Developer to join a strategic payments client portal team supporting ... Do you enjoy building high-performance backend services that power mission-critical fintech platforms ... Key responsibilities Design and develop backend services using Java 17 Build scalable components supporting ... experience Strong knowledge of Java 17 and modern backend frameworks Hands-on experience with relational ... /week on-site Work on a production-critical payments platform used by enterprise merchants A modern backend

We are seeking a proactive Python Developer with at least 3 years of experience to join our engineering ... You will be responsible for the full lifecycle of data-driven applications, from building robust backend ... data pipelines to ensure high-quality data flow.API Development: Build and maintain high-performance backend

Weare seeking anexperienced Python Developer tojoin our team and work onahealthcare project focused onbuilding ... Optimize performance and scalability ofthe backend application . ... Responsibilities Design, develop, and maintain backend components for aweb and PWA healthcare solution

reliably.Responsibilities:Drive developer experience initiatives that improve team velocityImplement ... N-iXis looking for aSenior Backend Engineerto join our team.Together with the client's team, you& ... #39;ll be building a next-generation cloud-based security platform as a backend engineer with strong ... backend features and integrations across multiple servicesCollaborate with the team on architectural ... This role focuses on improving infrastructure and backend systems to help the team ship faster and more

developer with at least 4 years of experience in Node.js and TypeScript. ... TypeScript MongoDB OptionalMicrosoft Azure Azure DevOps About the project You are a seasoned backend ... Your impact zone •Design, develop, and maintain backend services in Node.js and TypeScript •Build and ... years of experience in Node.js, JavaScript/TypeScript Strong command of Express.js, REST APIs, and backend ... reviews, and tech discussions Your responsibilities Collaborate with the team on designing scalable backend

ReactJS frontend Ensure long-term stability, performance, and scalability of user interfaces Enhance backend ... expertise with the ability to communicate effectively and resolve complex production issues.Fullstack Developer ... including testing and peer code reviews Our requirements4+ years' experience as a Fullstack Developer ... Excellence: Strong experience with ReactJS and state management libraries (specifically MobX or Redux) Backend

Role overview Great Spire is looking for a Full-Stack Developer to help build and improve core product ... Connect frontend and backend cleanly (REST/JSON, data models, error handling). ... features across mobile (Flutter/FlutterFlow) and backend (Node.js / JavaScript / Xano). ... Develop backend services in Node.js using JavaScript (APIs, auth, integrations, business logic). ... and written communication skills in English Nice to have Experience with databases (SQL or NoSQL) and backend

Your Role As a Mid Java Developer, you’ll work on real-world backend systems used by thousands of users ... Responsibilities -Develop and maintain backend services in Java (11) using Spring Boot -Implement and ... work from our office near the Plac Wilsona metro station 3–5 years of commercial experience as a Java Developer

We are looking for a Front-End Developer to join a technology-focused team working on modern web applications ... tools is an advantage Experience in finances/banking - nice to have We are looking for a Front-End Developer ... The position involves close collaboration with backend and data teams, as well as ownership of front-end ... The position involves close collaboration with backend and data teams, as well as ownership of front-end ... supporting ongoing improvements to usability and performance, Integrate front-end applications with backend

We are looking for a Python Developer who will combine backend development with the integration of Generative ... We are looking for a Python Developer who will combine backend development with the integration of Generative ... Requirements: Backend, Python, FastAPI, Azure, GCP, CI/CD, Flask, Django Tools: Agile, Scrum.

Measure and optimize system performance, scalability, and developer velocity. ... communications platforms or API‑driven businesses at scale – MUST Hands‑on experience with AI tools to boost developer ... Requirements At least 8 years of backend development experience in Java – MUST At least 3 years ... Stay hands‑on with backend development – developing, mentoring, reviewing, and guiding engineers through ... productivity or product decision‑making – MUST Technical depth across both client and backend stacks

Dla naszego klienta DataArt Poland poszukujemy osoby na stanowisko Full Stack Developer (Golang and React ... data collection and streamline workflows.Position overviewWe are seeking a highly skilled Full Stack Developer ... with deep expertise in Golang (backend) and React/TypeScript (frontend). ... front-end features, UI components, and client-side logicAbility to seamlessly integrate frontend with backend ... effectively within the team.RequirementsStrong, in-depth knowledge of GolangExperience delivering complex backend

We are seeking an experienced Senior Backend Developer to join a remote development team. ... Senior Backend Developer (Crypto & Kubernetes) Miejsce pracy: Warszawa Technologies we use Expected Java ... architecture Our requirements Strong backend development experience in Java, Golang, or Python Solid ... The role focuses on designing and building core backend services for ORA, enabling secure cloud integration ... quality and reliability Contribute to system design decisions and provide technical leadership for backend

Experience working with developer tools or “builder” style products. #J-18808-Ljbffr ... Backend Strong backend engineering experience (Node.js + TypeScript preferred) Solid API design ... We are seeking a Full-Stack Engineer with a strong backend focus to join our team. ... Work closely with backend engineers on data contracts and event formats. ... Integrate frontend flows with backend agent workflows, tool calls, and file operations.

architecture discussions, and CI/CD pipeline improvements.Required Qualifications3+ years of professional backend ... high-performance server-side applications and integrations.Key ResponsibilitiesDesign, develop, and maintain backend ... to join the team.We are actively seeking a skilled Back-end Developer with expertise in , TypeScript ... \About The RoleWe are seeking a Back-end Developer experienced in , TypeScript, and NestJS to design ... fast-growing US based multinational information technology services company, and we are seeking a Salesforce Developer

Fullstack Developer (Backend-focused) (f/m) Miejsce pracy: Warszawa Technologies we use Expected TypeScript ... - or full stack-developer). ... Extensive experience in building backend applications with Node.js. ... Extensive experience working with RESTful APIs and integrating with complex backend systems. ... product you focus on product development you focus on code maintenance agile scrum Team members fullstack developer

As a Backend Developer at Viber, you will be involved in developing and maintaining high-traffic systems ... Qualifications At least 7 years of experience as a Backend Developer, with at least 3 years in Java ... Join to apply for the Java Developer role at Rakuten Viber .

Join to apply for the Senior Java Developer role at Jit Team. ... Developer with strong Java expertise Hands‑on experience working with advertising APIs from walled ... Responsibilities Designing and developing the backend of an AdTech platform that manages campaigns ... The newly formed team will own the backend layer of the system, develop integrations with major advertising ... AdTech specialists to expand platform capabilities Qualifications 5+ years of experience as a Backend