999 English-speaking jobs in Łódź Voivodeship

Develop and maintain Qlik applications using Q-SQL and Python. Create data visualizations and perform technical updates. Collaborate with business analysts to understand and fulfill requirements.

Senior AI Engineer will design, build, and maintain AI-powered services integrated into PubNub's platform. Responsibilities include architecting low-latency ML and LLM pipelines, building internal frameworks, and collaborating with product and engineering teams. Must have 5 years of software engineering experience, 1 year of hands-on experience with AI/ML systems in production, and experience deploying and scaling LLMs.

Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires C#, .NET, SQL databases, and Angular experience.

Nexio Management seeks a Technical Writer to create technical documentation and training materials based on applications, mock-ups, and UML diagrams. Responsibilities include ensuring accuracy and quality of materials, reviewing project documentation, and preparing presentations. Applicants must have English proficiency at C1 level, experience writing technical documentation in ICT, and basic UML diagram comprehension.

Tech Lead Python Frontend needed to define technical vision, manage projects, and lead a team of developers. Requires 6+ years of Python experience, frontend expertise (React preferred), and strong people management skills. Excellent communication and problem-solving abilities are essential.

Experienced DevOps Engineer needed for large-scale AWS database environments. Focus on MySQL and Amazon Aurora with occasional PostgreSQL and Microsoft SQL Server. Strong performance tuning, troubleshooting, and optimization skills required.

Designs, builds, and deploys machine learning models with a focus on graph algorithms and Graph Neural Networks. Performs data analysis on large datasets to identify patterns and trends. Translates business problems into data science projects, selecting appropriate tools and methodologies. Collaborates with other roles throughout project lifecycles. Develops and maintains APIs and microservices for AI integration. Proposes AI solutions to customers based on collected information. Requires 5 years of commercial data science experience with a proven track record of delivering impactful machine learning solutions. Expertise in Python development, ML frameworks (PyTorch, TensorFlow), and libraries (Scikit-learn). Hands-on experience with graph databases (e.g., Neo4j) and GNNs is preferred. Knowledge of distributed data processing technologies (e.g., Spark, Kafka) and cloud environments (AWS, Azure, or GCP) is beneficial. Strong problem-solving, analytical, and communication skills are required. Fluency in English is essential.

Senior Fullstack Developer to design, develop, and implement a new application using Angular and Java. Requires 5+ years of Angular experience, 8+ years of Java experience, and experience with JPA, Cucumber, Selenium, Liquibase, and Maven.

Lead the design, development, and evolution of Java-based backend systems for complex, enterprise-grade projects. Translate business requirements into scalable, secure technical solutions. Design backend and system architecture, including REST APIs, microservices, and event-driven components.

Senior Vue.js Developer will join a fintech company's product team (CFT, CV3, or CDP) to develop and maintain web applications. Requires 5+ years of experience with Vue.js, JavaScript, and GraphQL. Strong communication skills and proficiency in English (B2 minimum) are essential.

Python Engineer to design, develop, and maintain scalable finance-focused backend solutions using Python and Django. Integrate external systems and APIs, write high-quality code, and participate in peer reviews. Must have strong Python engineering skills, experience with Django, API development, and automated testing. Familiarity with AWS services is required.

Lead the technical vision and roadmap for the API Platform. Define, evolve, and communicate API standards and ensure adoption across engineering. Act as principal architect for API-related initiatives, shaping system design and guiding teams through complex trade-offs.

Storage Engineer needed for daily operations and project implementations. Expertise in Unix, Linux, and storage technologies like NetApp ONTAP, Hitachi storage, and IBM SVC required.

Experienced Salesforce Developer to design, develop, and optimize Salesforce solutions. Develop Apex, LWC, and integrate Salesforce with external systems. Minimum 3 years experience, strong Apex, LWC, and SOQL skills required. Salesforce certifications necessary.

Mobile Test Automation Engineer to design, develop, and maintain automated test solutions for native, hybrid, and web-based mobile applications. Leverage Appium, Espresso, and XCUI Test to build and enhance mobile automation frameworks. Analyze mobile application architecture to create effective test scenarios and execute functional, regression, and end-to-end tests. Integrate automated mobile tests into CI/CD pipelines and collaborate with engineering teams to address platform-specific challenges.

Fullstack Developer will implement new functionalities, develop and maintain existing systems, and participate in code reviews. Experience with .NET Core, RESTful APIs, Microsoft SQL, and unit testing is required. Familiarity with frontend frameworks like VueJS 3, React, or Angular is also needed.

Senior Flutter Developer to join a growing health tech team. Deliver maintainable software, collaborate with clients, and work in an international environment. Minimum 5 years of mobile development experience, at least 3 years with Flutter.

Senior Backend Developer will lead product development, from ideation to implementation, collaborating with cross-functional teams. Requires 8+ years of experience as a Software Engineer with expertise in Python, Java, PostgreSQL, and Elasticsearch. Must have experience with AWS and be comfortable working in Agile environments.

We are seeking a DWH Developer with 5+ years of experience in data warehousing and Snowflake platform expertise. The ideal candidate will have hands-on experience with data modeling, ETL/ELT processes, Snowflake optimization, and data security best practices.

Storage Engineer needed for daily operations and project work in a dynamic environment. Responsibilities include designing, implementing, and maintaining enterprise storage solutions in Unix and Linux environments. Experience with NetApp ONTAP, Hitachi storage systems, IBM SAN Volume Controller (SVC), and SAN infrastructures is required.