512 English-speaking jobs in Łódź

Senior Typescript Engineer will develop and maintain Ledger Live, a blockchain asset management application. Responsibilities include building UI flows, collaborating with developers and hardware engineers, and ensuring a reliable and user-friendly experience across web and mobile platforms.

Senior Data Engineer needed to build and maintain Big data processing pipelines using Spark and Scala. Requires 5+ years of experience with Spark, Scala, Python, and Linux environments. Proven track record of designing data flows and experience with Hadoop ecosystem components.

Fullstack Developer specializing in Java 17, Spring Boot, and React. Designs, develops, and tests full-stack applications, including backend, frontend, and data access layers. Collaborates with business teams and participates in Agile development. Requires 8+ years Java experience and 5+ years experience with React, Spring Boot, and JPA.

Experienced Mobile Developer (Mid or Senior) sought to build a B2B/B2C mobile app for a major international corporation in the energy and chemical sector. Expertise in React Native, JavaScript, and TypeScript required.

Data Engineers/BI Developers design, develop, and optimize BI and data analytics solutions. Responsibilities include data modeling, performance optimization, data visualization, and developing scalable data infrastructures. Experience with SQL, BI tools, ETL/ELT, and data modeling is required.

Senior Penetration Tester to conduct advanced security assessments of applications, systems, and infrastructure. Responsibilities include identifying vulnerabilities, developing attack scenarios, and collaborating with technical and business teams. Requires 5+ years of experience in penetration testing with expertise in web, mobile, and infrastructure security.

Senior SAP ABAP Developer with 6+ years of experience in classical and object-oriented ABAP (7.40 syntax) and RAP (Restful ABAP Programming Model). Expertise in CDS, OData services, SAP Fiori/UI5, and interface development (RFC, BAPI, IDoc, ALE, REST/SOAP).

Test Specialist to develop, execute, and debug test cases for ServiceNow platform. Requires 5+ years of testing experience (8+ years without ISTQB certification), Bachelor's degree, and expertise in various testing methodologies.

Senior Business Analyst to join IT projects for financial institutions, primarily insurance companies. Conduct complex business analysis, define functional requirements, and test solutions. Collaborate with developers and IT architects.

Design, implement, and deploy SAP solutions to achieve business goals. Lead full-cycle, international projects and drive industry innovation with SAP S/4HANA solutions.

Technical Consultant providing support for existing platforms in a SaaS environment. Responsibilities include automation, IaC, event and incident management, and problem resolution. Requires expertise in Kubernetes, Docker, PowerShell, Git, Terraform, Ansible, Python, and cloud environments (Azure, AWS, GCP, OCI).

Senior Python Engineer to develop and maintain data-intensive applications and infrastructure for machine learning products. Responsibilities include working with Kafka, AWS, and FastAPI to build and operate scalable, reliable systems. Requires extensive Python backend development experience and a deep understanding of AWS services and Infrastructure as Code.

Full-stack developer with backend focus sought for complex data processing/management systems and user-facing applications. Experience with Java, Spring Boot, and database migration tools required.

Senior QA Manual Engineer will build test plans, lead the QA team, and collaborate with developers and hardware engineers to ensure the quality of blockchain-based mobile and web applications integrated with hardware wallets.

Senior Java Developer will design, develop, and maintain backend services using Java and Kotlin. Responsibilities include leading the development of microservices, collaborating on architectural strategy, and working in a distributed team environment. Strong Java and Kotlin skills, experience with Spring Framework, RESTful APIs, and database technologies are required.

Design, develop, and maintain software solutions for the TomTom Search API. Participate in search-related projects, optimize system performance, and conduct code reviews. Collaborate with cross-functional teams, develop technical documentation, and stay updated on industry trends.

Data Engineer needed to design, implement, and maintain data pipelines on Snowflake. Responsibilities include collaborating with data scientists, architects, and DevOps teams to ensure data quality and meet project requirements. Must have strong SQL, DBT, and Python skills. Experience with Airflow, Trino, S3, and AWS is a plus.

Technical Support Engineer will manage incident and problem tickets, investigate issues, and drive resolutions. Responsibilities include coordinating with technical teams, communicating with stakeholders, and preparing Root Cause Analysis documentation. Requires foundational knowledge of blockchain and cryptocurrency technologies, IT infrastructure, and excellent communication skills.

Customer Service Specialist & Advisor will participate in Letter of Credit training, check documents, and learn payment processes. The role involves working with Nordic stakeholders and enhancing processes for quality improvement. Fluency in English (B2+) is required.

Senior Android Engineer will develop and maintain code for access-controlled parking within native Android applications. Responsibilities include collaborating with the Tech Lead and Product Manager, ensuring high-quality deliverables through testing, and contributing to the AppBFF using JavaScript/Node.