1117 English-speaking jobs in Łódź

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.

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

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.

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.

Netguru seeks a Senior Go PHP Developer with expertise in CIAM solutions (Auth0, AWS Cognito) for a full-time remote contract. The role involves migrating CIAM from Cognito to Auth0 across legacy PHP and Golang microservices.

Tech Lead Frontend will define technical vision, make architectural decisions, and manage a team of up to 12 developers. Requires 6+ years of frontend development experience, strong React expertise, and experience in at least one additional technical area (backend, ML/AI, or DevOps).

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.

Netguru seeks a Solution Architect for a full-time, remote position. The role requires expertise in Enterprise Solution Architecture, ERP/Operational Backbone architecture, and Logistics/Supply Chain domain experience.

Tech Lead Node.js Frontend will define technical vision, make architectural decisions, and manage technical debt. Requires 6+ years Node.js experience, frontend (React preferred), and people leadership experience. Excellent communication and problem-solving skills are essential. Must have strong English (C1), Polish is a plus.

Designs, implements, and maintains scalable identity governance solutions using SailPoint and/or Okta IGA. Builds integrations and workflows using APIs, connectors, and automation. Implements PAM capabilities and partners with teams to ensure solutions meet security and compliance requirements.

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.

Fullstack Developer (.NETMAUI) needed for a project involving over 80,000 handheld mobile devices, their operating system, and applications. Responsibilities include designing software solutions, delivering software within Agile teams, and ensuring supplier solutions meet requirements. Expert level in .NET MAUI, .NET/C#, Azure PaaS, relational and non-relational databases, and web application development with ASP.NET is required. Experience with design patterns, integration into diverse platforms, and the full software development lifecycle is also 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. Must have experience with AWS and be comfortable working in Agile environments.

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 Angular Developer needed for a long-term project in the financial services domain. Design, develop, and maintain complex front-end applications, focusing on performance, security, and scalability. Collaborate with backend teams, product owners, and architects.

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.

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.

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.

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.