2890 backend developer English-speaking jobs in Warsaw

This is the jobYou will build and stabilize the backend systems that power our product integrations. ... is ideal for a senior engineer who values clean architecture, operational reliability, and building backend ... processing & integrations: XML parsing, XSD validation, large payload handlingIdempotent and reliable backend ... integration-heavy systemsFamiliarity with regulated or audit-sensitive environmentsThis is your roleImplement ICS backend

Strong backend development experience with Nest.js and API design. ... Proven experience designing and building scalable backend services with Nest.js Strong understanding ... applications Implement responsive and user-centric frontend interfaces Architect modular and maintainable backend

Responsibilities Design, develop, and maintain backend systems using Python Collaborate with cross-functional ... and improve your skills and knowledge Stay up-to-date with the latest trends and best practices in backend ... Write clean, maintainable, and well-documented code Ensure scalability, reliability, and performance of backend ... degree in Computer Science, Software Engineering, or related field Minimum of 4 years of experience in backend

individuals to join our team in the role of Senior Data Engineer.Key Responsibilities:Delivering data backend ... of data governance framework, data security principles, and data quality mechanisms.Delivering data backend ... presales activities related to data for PL & International prospects.Experience in estimating data backend ... ad-on business value for customers.English on communication level.Experience in implementation data backend ... business sector - finance / insurance / automoto / utlities / public / FMCG.Experience in delivering backend

Senior Education Developer Miejsce pracy: Warszawa Technologies we use Expected Python Optional Git About ... the project We are seeking an experienced Senior Education Developer to join our team to design, develop

Senior Backend Engineer to build secure microservices for financial systems using Java 21, Spring Boot/Cloud 3.3. Own services end-to-end, improve code quality with automation, and stay ahead with cutting-edge tech. Minimum 8 years of experience required.

your level of experience, you will contribute to the design, development, and optimization of scalable backend ... code.Participate in code reviews and team meetings.Senior Java DeveloperLead development of complex backend ... compliance in payment-related features.Lead Java DeveloperDrive technical strategy and roadmap for backend ... and payment systems.Lead cross-functional teams across backend, mobile, and DevOps.Own end-to-end delivery ... integrations, and secure payment solutions.Key ResponsibilitiesRegular Java DeveloperDevelop and maintain backend

You are You're an experienced fullstack engineer who knows how to move smoothly between backend ... Your impact zone Design and build scalable backend services using Node.js Develop frontend components ... reviews, documentation, and mentoring less experienced developers Key responsibilities Work on both backend

We are looking for a Senior Java Developer, located in Poland. ... improvements proactively Produce installation-ready artifacts and documentation to enable deployment without developer

Join to apply for the Informatica MDM Developer role at Integral Solutions - Data & AIRemote • Up to ... 190 PLN/HAn Informatica MDM Developer is responsible for designing, developing, and implementing Master ... your chances of interviewing at Integral Solutions - Data & AI by 2xGet notified about new Informatica Developer

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

Building and scaling backend services in Python on AWS Designing microservice and event‑driven architecture

Senior Applicative DBA to design and implement Oracle database sharding for scalability. Collaborate with development teams on application-level changes and provide ongoing support. Improve data quality during DR incremental dump creation between Oracle and Postgres.

Software Engineer will design, build, and maintain large-scale production services, web applications, and data pipelines. Responsibilities include debugging production issues, researching and analyzing findings, and coaching team members. Requires at least 5 years of commercial Python development experience, including Django, Celery, Snowflake, and PostgresSQL.

You will optimize for performance, time‑to‑market, and contribute to backend services that enable new ... While focusing on backend development, you’ll apply product sense to balance performance with scalability ... growth – continuous development of expertise in an environment that values learning Project As a Senior Backend ... and RDS Previous experience in startups/scaleups Experience with integrating AI/ML capabilities into backend ... Applying product thinking to grasp the "why" behind features and their impact Developing robust backend

observing rapidly changing AI tech capabilities, Zowie is now seeking a dynamic and product‑minded Backend

We are seeking a highly skilled Backend Software Engineer specializing in C# to maintain and optimize ... We are seeking a highly skilled Backend Software Engineer specializing in C# to maintain and optimize ... hybrid role based in Warsaw or Kraków, requiring 2–3 days per week on-site. 4+ years of experience in Backend

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

/API testing, and CI/CD.ResponsibilitiesAutomated testing of backend and API-driven systemsWriting and ... years of experience who already has some exposure to automation and wants to develop further in BDD, backend ... JavaFamiliarity with BDD concepts (Cucumber / Gherkin)Experience or exposure to test automation (API, backend

Company is looking for a Senior Backend Engineer to help build the infrastructure that secures the world ... Responsibilities Design, build, and maintain scalable backend services and APIs Develop reliable, secure ... infrastructure Requirements Bachelor’s degree in Computer Science or a related field 5+ years of backend