720 English-speaking jobs in Łódź

Data Architect to design and maintain data models across agency, advisor, partner, and transactional domains. Responsible for Snowflake warehouse design, identity linkage strategies, and ensuring data reliability for downstream analytics tools. Requires experience with Snowflake, SQL, Azure Blob Storage, and API-driven ingestion patterns.

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.

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.

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.

Data Architect will design and evolve data architectures for AI/ML workloads, including fraud detection, risk scoring, and spend optimization. Responsibilities include developing data models, pipelines, and strategies aligned with platform roadmaps. Requires 10+ years of experience in data architecture, cloud native platforms (AWS), and ML operations.

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 shapes QA approaches for complex environments.

Senior DevOps/platform engineer to own deployment, reliability, and observability of Voice AI product. Build and maintain infrastructure, CI/CD, and environments. Improve operational quality through automation, documentation, and better defaults. Strong cloud, infrastructure, and AI experience required.

Senior Database Administrator needed for managing, optimizing, and securing PostgreSQL and MySQL database environments. Experience with Terraform, Ansible, and Linux system administration is required. Auto failover, DNS management, and load balancing experience is crucial.

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 TypeScript Engineer to enhance blockchain integration for Ledger Live. Develop and evolve integrations across web and mobile platforms, utilizing JavaScript, TypeScript, and modern development practices. Collaborate with cross-functional teams to deliver secure and seamless user experiences.

As a Senior QA Manual Engineer, you will join an international team ensuring the quality of blockchain-based mobile and web applications integrated with hardware wallets. Responsibilities include building test plans, writing test cases, validating use cases, reporting test results, and collaborating with development and hardware teams.

Senior TypeScript Engineer to develop and maintain Ledger Live (mobile and desktop) and the Device SDK. Responsibilities include contributing to open-source projects, supporting modularization efforts, and collaborating with cross-functional teams. Requires 5+ years of software development experience, including a Tech Lead role, strong JavaScript and TypeScript skills, and professional fluency in English.

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

Staff AI Engineer needed for remote-first company. Design and build LLM-based features using Gemini, ChatGPT, Claude. Expert Python knowledge (5+ years) and experience with LLMs, LangChain, LangGraph, LangSmith required.

Senior Python Engineer needed for a large-scale utility service platform transforming the global energy industry. 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. AWS experience is required.

As our first AI Automation Specialist, you will embed with departments across the group, identify automation opportunities, and drive implementation from start to finish. You will select the right tools for each use case and work closely with stakeholders to ensure adoption.

Build and develop product websites and landing pages, working with designers and marketers. Improve and scale content workflows using CMS platforms. Maintain and improve code quality and development processes.

Senior Software Engineer will design, implement, and maintain backend services and APIs using Python or Kotlin within Affirm's microservice and event-driven architecture. Collaborate with stakeholders across North America and Europe to build scalable fraud tooling and infrastructure.

Senior Software Engineer will lead a team responsible for managing critical communication services, including email, SMS, and push notifications. Responsibilities include delivering quarterly goals, collaborating with product management and design, and ensuring the availability and quality of communication services. Requires 5+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin.

Senior IT Operations Specialist providing production support, release management, and incident resolution. Requires 5+ years of experience in IT Operations, DevOps, or Site Reliability roles with hands-on experience in Docker, Kubernetes, Jenkins, and CI/CD processes.