3639 backend developer English-speaking jobs in Masovian Voivodeship

Senior Software Engineer will design, develop, test, and maintain software. Experience with Python, APIs (REST, protobuf), and Cloud computing (AWS) is required. Additional experience with frontend development, microservices, and serverless applications is desirable.

The role requires the ability to independently handle backend features, although expertise in backend ... About The Role Expert software engineer with strong UI/UX skills, capable of handling backend features ... Requirements Expert software engineer Outstanding attention to UI/UX Ability to ship backend features

Create developer tooling, continuous integration and deployment pipelines, and observability systems ... least one of the following areas, with proficiency across others: AI agent development and evaluation Backend

Support and improve the internal developer experience and system observability. ... Experience designing and maintaining APIs, backend services, and/or automation systems.

In this role, you will focus on software deployment and migration for Android/iOS apps and backend services ... services., Automate deployment, monitoring, and scaling of mobile and backend components across cloud ... In this role, you will focus on software deployment and migration for Android/iOS apps and backend services ... Cloud environment. ,[Build, maintain, and optimize CI/CD pipelines for Android/iOS applications and backend

encourages autonomy and technical excellence across AWS architecture, container orchestration, and backend ... Python applications Familiarity with RESTful API design, microservices architecture, and data-intensive backend ... Configure and maintain PostgreSQL, MongoDB, and Kafka to ensure reliability and performance Contribute to backend

What We Look For: We are looking for Backend engineers who can contribute to backend services and pipelines ... This is a high-impact opportunity to apply deep backend expertise in Python and Kotlin to systems that

10+ years of backend development experience, including 3+ years in a technical leadership role. ... services, data pipelines, and event-driven architectures., Contribute hands-on to backend development ... roadmap and architecture of a cloud-native, microservices-based platform., Lead system design across backend

years of experiencewho already has some exposure to automation and wants to develop further inBDD, backend ... /API testing, and CI/CD.What you'll be working onAutomated testing of backend and API-driven systemsWriting ... JavaFamiliarity with BDD concepts (Cucumber / Gherkin)Experience or exposure to test automation (API, backend

Twój zakres obowiązków Develop and maintain backend services using TypeScript and JavaScript. ... Lambda SQS DynamoDB O projekcie We are seeking a skilled AWS Engineer with comprehensive experience in backend ... Nasze wymagania Proven experience as a backend engineer with strong proficiency in TypeScript and JavaScript

Perform end-to-end testing on data workflows, APIs, backend systems, and reporting tools. ... on EST time zone hours (approx. 1 PM – 8 PM CET) , ensuring high-quality data workflows, APIs, and backend

This role bridges frontend and backend development, leveraging modern JavaScript frameworks, AWS cloud ... accessible, and responsive web applications.Manage user authentication and authorization using Auth0.Backend ... integrations.SQS for messaging and queuing systems.Machine Learning Backend:Python and Node.js for backend ... using AWS CDK for Infrastructure as Code.Ensure efficient data handling with DynamoDB and S3.Optimize backend ... DynamoDB, and S3.Proficiency in AWS CDK for Infrastructure as Code.AWS Amplify for simplified frontend/backend

We are looking for a Senior Java Developer to manage the software development life cycle, from planning ... and prioritizing to testing and release.Senior Java Developer responsibilities include gathering system

Commercial experience delivering backend systems in C#/.NET, including PostgreSQL and REST API Production ... and deliver RESTful APIs, Implement data ingestion pipelines and event-driven workflows, Integrate backend ... unified data from chemical manufacturing systems using AI/ML. ,[Design, build, and maintain PlantOps backend

Key Responsibilities Design, develop, and maintain complex backend financial systems, including trading ... Tech Stack Backend: Java, Kotlin, Spring Boot, JVM-based microservices Frontend: React, TypeScript ( ... occasionally) DevOps: Kubernetes, AWS, Terraform Data: PostgreSQL, Clickhouse Requirements Experience in backend

QualificationsStrong expertise in backend technologies including Go and/or C#. ... Proven experience leading backend engineering teams delivering scalable, production-grade APIs and platform ... higher in Computer Science, Engineering, or a related field, with a comprehensive understanding of backend

integration strategies, including REST backend endpoints integration; Experience writing and maintaining ... Koin; Familiarity with translating high-fidelity designs into native code; Experience with mobile-backend ... ramp-up time; Experience working with AI tools (e.g., Claude Code); Nice To Haves Experience with Backend-for-Frontend

integration strategies, including REST backend endpoints integration Experience writing and maintaining ... or Koin Familiarity with translating high‑fidelity designs into native code Experience with mobile‑backend ... with AI tools (e.g., Claude Code) Upper‑intermediate English level NICE TO HAVES Experience with Backend‑for‑Frontend

Strong understanding of API design, backend architecture, and cloud environments. ... This role is backend‑oriented but requires strong full‑stack ownership, helping us design, develop, and ... features – from concept to deployment – combining React Native on the client side with a .NET‑based backend

Key Responsibilities Design, develop, and maintain complex backend financial systems, including trading ... Tech Stack Backend: Java, Kotlin, Spring Boot, JVM-based microservices Frontend: React, TypeScript ( ... occasionally) DevOps: Kubernetes, AWS, Terraform Data: PostgreSQL, ClickHouse Requirements Experience in backend