2470 backend developer English-speaking jobs in Poland

Mid Full-stack Developer role requires 4+ years in Java, Spring Boot, and React. Must know REST API design, microservices, SQL, and CI/CD/Docker. English proficiency is essential.

We are looking for a Flutter Developer (Mid/Senior) to help our client develop modern mobile applications

Develop low-code PoCs and business solutions using Microsoft Power Platform, including Power Apps, Power Automate, and Power BI. Integrate solutions with SQL databases, APIs, and Microsoft 365. Requires fluent English and IT background.

We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance

Collaborate deeply with Data Science and Backend Engineers to ensure seamless data flow and end‑to‑end ... Familiarity with backend frameworks such as Ruby on Rails or Angular and databases like Clickhouse, Mongo

Strong coding skills with demonstrated proficiency in Node.js + TypeScript for backend Experience designing ... real-time applications Experience contributing to cross-platform solutions as part of a team Tech Stack: Backend

We are seeking an experienced Senior KDB+ Developer to design, develop and optimize high performance

Your responsibilities As Salesforce Senior Developer/Tech lead you will be responsible for day-to-day

Work closely with backend engineers to define, integrate, and consume well-structured RESTful APIs. ... creating smooth, intuitive, and highly responsive user interfaces, working closely with Product and Backend

Senior PL/SQL Developer needed for modernization projects. Requires 5+ years with Java 17+ and at least 1 year writing efficient Oracle PL/SQL. Knowledge of Linux basics is required.

Deliver hands-on technical work and own architecture for cross-team initiatives. Requires deep experience building and integrating AI agents into engineering workflows while ensuring high-quality, scalable system delivery.

Overview: Precisely is seeking a revenue platforms Developer to support, configure, and enhance our revenue ... computer science, or a related field. 3-5 Years revenue platform Development Experience Revenue platform Developer

Select how often (in days) to receive an alert: Senior Full-Stack Developer (.NET + Angular) 1 Publication

Senior Front-end Developer needed for Shopify and Shopify Plus store implementation based on Figma views. Requires 2+ years of Shopify experience and knowledge of Liquid and Git.

FPGA Developer will participate in the full development lifecycle of FPGA-based devices, from requirements analysis to deployment. Responsibilities include design, implementation, simulation, and debugging of FPGA solutions using VHDL and AMD/Xilinx platforms. Collaboration with hardware, architecture, and software teams is required.

Join us as a C++ developer and shape the way we build and evolve software in one of our product teams

Collaborate deeply with Data Science and Backend Engineers to ensure seamless data flow and end‑to‑end

Front-end Developer needed for a cloud-based Video Surveillance platform. Requires 3+ years building web apps with a major JavaScript framework, strong Vue knowledge, and excellent English. Must work in a Scrum team.

materials engineering) to production, assembly and repair.MTU Aero Engines Polska Sp. z o.o SAP Full-stack developer

Experienced Java Technical Analyst needed for a FinTech project modernizing a large-scale Terminal Management System. Requires 4+ years in Java development, analyzing legacy systems, and implementing solutions using Spring, REST APIs, and Oracle.