1198 English-speaking jobs in Łódź

Software Architect to lead the technical direction of the API Platform. Define API standards, design and evolve API contracts, and drive improvements in API reliability and performance.

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.

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.

Fullstack Developer (.NETMAUI) needed for a project involving over 80,000 rugged handheld mobile devices and their associated operating system and applications. Responsibilities include designing software solutions, delivering software within Agile teams, and ensuring supplier solutions meet requirements. Expert level knowledge of .NET MAUI, .NET/C#, Azure PaaS, relational and non-relational databases, and web application development is required. Experience with design patterns, integration into diverse platforms, and Agile development is also necessary.

Design, implement, and maintain scalable identity governance solutions using SailPoint and/or Okta IGA. Build integrations and workflows using APIs, connectors, and automation. Implement PAM capabilities and partner with security, IT, and engineering teams.

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.

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 and event-driven components. Perform code reviews, architecture reviews, and quality audits. Analyze system performance and scalability, proposing and implementing optimization strategies.

Senior Backend Engineer to design and evolve API-first backend systems for mobile apps at scale. Experience with Node.js or Java API design, SQL databases, and cloud basics required.

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.

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 necessary.

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. Experience with AWS is mandatory, and familiarity with GCP is a plus.

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 17 experience, and 3+ years of JPA experience.

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.

Design, build, and deploy machine learning models in production. Develop AI-driven applications using structured and unstructured datasets. Collaborate with stakeholders and communicate technical findings.

Senior Data Engineer to design, build, and deliver data ingestion and warehousing solutions. Implement scalable ETL/ELT pipelines using DBT and Google BigQuery. Orchestrate data pipelines with Apache Airflow and ensure production reliability.

Lead Data Engineer for a financial project focused on Anti-Money Laundering (AML) detection within Capital Markets. Responsibilities include designing, implementing, and optimizing data pipelines, developing detection logic, and collaborating within Agile teams. Requires strong programming skills in Python and Java, advanced experience with Apache Spark, and knowledge of SQL in large-scale data environments.

Senior Fullstack Developer will work on a greenfield financial application, developing both backend and frontend features. Responsibilities include designing user experience, collaborating with the business team, and implementing end-to-end tests. Requires Java 17, Spring Boot, JPA, and React experience.

Senior IT Developer to design, develop, and maintain frontend (Angular) and backend (Java) components for a new financial project. Collaborate with stakeholders, ensure high-quality UI/UX, and participate in Agile ceremonies. Requires 5+ years Angular experience, 8+ years Java experience, and strong RESTful API and microservice architecture knowledge.

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.

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 mobile development experience, at least 3 years with Flutter.