157 English-speaking jobs in Lublin

Senior Node.js Developer needed for full-time position. Develop and maintain backend services using Node.js and NestJS. Build and support serverless components on AWS (Lambda, Glue, DynamoDB). Experience with microservices and data-heavy backend systems required. Excellent communication and problem-solving skills essential.

Reef Technologies seeks a Senior Python Backend Engineer with at least 5 years of programming experience, including Python. The ideal candidate will have a strong understanding of Python and be passionate about solving complex problems. The role involves contributing to a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by decentralized algorithms.

Senior DevOps Engineer to design and maintain resilient architectures for high-scale, real-time cloud operations in cybersecurity. Experience with Google Cloud Platform, Elasticsearch/OpenSearch, Kafka, Redis, or MongoDB required.

Senior Data Science Engineer will design, build, and deploy machine learning models, focusing on graph algorithms and Graph Neural Networks. Responsibilities include data analysis, supply chain optimization, translating business problems into data science projects, and collaborating with various teams. Requires 7 years of experience in a data science role, Python development, and machine learning frameworks. Expertise in graph databases and GNNs, particularly in supply chain, is a plus.

Automated Functional Tester (Air Traffic Management) will plan and develop test plans, execute test procedures, and assess new software products. Requires 7+ years of experience in automated functional end-to-end testing using Java/JBehave and continuous integration.

Software Developer will contribute to the development of a next-generation platform for safety-critical domains. Responsibilities include designing, developing, and testing Java services, collaborating with a Scrum team, and adhering to company standards. Requires 7 years of Java development experience, knowledge of object-oriented concepts, and experience with microservices, REST, AMQP, and distributed systems.

Scrum Master to lead and moderate agile development team, organize Scrum meetings, and collaborate with Product Owner and other Scrum teams.

Senior Quality Engineer will design, execute, and optimize automated tests across various levels (functional, integration, contract, performance, and load). Responsibilities include integrating automated testing into CI/CD processes, collaborating with Product Owners, and acting as the sole QA Engineer for the team.

Design and implement automated test suites for switch software and firmware. Develop Python-based testing frameworks for functional and performance testing.

Senior Full-Stack Engineer to design, architect, and deliver scalable systems using Python, React, and Next.js. Responsibilities include backend development with frameworks like FastAPI or Django, API design, and collaborating with cross-functional teams. Requires 5+ years of experience in modern web application development, Python backend development, and AWS technologies.

Senior Business Analyst to support data and analytics platform enhancements. Requires 4+ years of experience, financial services industry knowledge, and strong SQL skills for querying and analyzing relational databases.

Backend Developer will maintain and improve Go-based backend services, design database schemas, and develop backend logic for a SaaS platform focused on interactive digital experiences.

Data Architect needed for large-scale modernization project transitioning from monolithic to services-based architecture. Design and document target data architecture, evaluate tooling, and collaborate with engineering and business stakeholders. Experience with modern data platforms, cloud native solutions, and data modeling required.

Full Stack Developer needed for interactive form builder project. Expertise in Golang (backend) and React/TypeScript (frontend) required. Responsibilities include designing, developing, and maintaining backend services and frontend applications, collaborating with teams, and ensuring high-quality code. Experience with Kafka, AWS, Terraform, Kubernetes, and Jenkins is essential.

QA Automation Engineer will design, develop, and maintain automated UI and functional test scripts for desktop applications using Robot Framework and Python.

Designs and documents data ingestion flows and data models for an enterprise data warehouse. Translates business requirements into technical documentation for data engineers. Collaborates with stakeholders and development teams to ensure designs meet business needs and adhere to data design principles.

Full-Stack Developer will maintain and improve Go backend services, design PostgreSQL schemas, and develop backend logic for a SaaS platform focused on interactive digital experiences.

Leads the design and implementation of AI-driven QA frameworks for enterprise clients. Drives process innovation and automation strategies for ERP, e-commerce, and cloud native applications. Collaborates with clients and internal teams to integrate modern QA methodologies into the SDLC. Evaluates emerging QA technologies and best practices.

Business Analyst to collaborate with stakeholders and technical teams on e-commerce application development. Responsibilities include gathering requirements, creating user stories, and ensuring solution alignment with business needs. Requires a Bachelor's degree, 5+ years of experience as a Business Analyst, e-commerce platform experience, and strong communication skills.

DevOps Engineer to automate development processes, streamline CI/CD pipelines, and manage AWS serverless infrastructure. Collaborate with engineering teams on platform consolidation and system hardening.