346 English-speaking jobs in Łódź

Senior Full-stack Developer to design and maintain scalable applications using Java, Spring Boot, and React. Requires 4-5 years of experience with Java, React, TypeScript, and AWS. Focus on building robust backend services and responsive UIs.

Build a services support portal using React 19, TypeScript, and Python 3/FastAPI. Focus on agentic AI, REST APIs, and secure authentication (OAuth 2.0/OIDC). Requires 3+ years fullstack experience.

Lead mobile and web projects for IoT, wearables, and connected devices. Act as the single point of contact for US clients, managing end-to-end delivery, scoping, and cross-functional teams. Requires 4+ years of PM experience.

System Analyst for an international Cards & Payments project covering authorization, clearing, settlement, and reconciliation. Analyze and develop systems for debit/credit cards, integrating with core banking and Visa/Mastercard using ISO 8583 and APIs.

Experienced Platform/System Validation Engineer needed to guarantee networking platform resilience and performance. Responsibilities include SONiC bring-up, automated testing, and soak testing. Requires Python/C skills and knowledge of networking protocols.

Design and own enterprise metadata and data discovery architectures for a global investment management company. Define data governance strategies, build federated metadata, and design semantic layers. Requires 8+ years in Data Architecture and 3+ in Metadata Management.

Senior React Developer specializing in NX and AI. Develop and maintain modern web applications, designing scalable frontend solutions. Requires strong React/TypeScript experience, AI tool proficiency, and knowledge of modern frontend tooling.

Senior Mobile Engineer develops features for core iOS and Android applications. This role involves designing, developing, and deploying features, leading code reviews, and improving application performance and scalability.

Mid-level Integration Engineer focused on building and maintaining third-party API integrations. Responsibilities include backend development with Node.js, TypeScript, and PostgreSQL, data transformation, and troubleshooting.

Senior Validation Specialist needed for GXP computerized systems. Responsibilities include determining validation approach, reviewing documentation, authoring plans/reports, and ensuring compliance with CSV SOPs. Requires 3+ years in IT/Software Validation (CSV, GAMP).

Senior Big Data Engineer specializing in Spark and Scala for the finance industry. Design, develop, and optimize scalable data processing solutions from multiple sources. Requires 3-5 years of experience and strong technical skills.

Senior UA Manager to own user acquisition for mobile-first web products. Build strategy, manage paid channels (Google Ads, Apple Search Ads, Meta, TikTok), and optimize the web funnel. Requires 5+ years in mobile app UA.

Senior Full-Stack Engineer building an AI document processing platform. Requires 6+ years experience with Python backend and TypeScript/React frontend. Focus on scalable APIs, data workflows, and cloud deployment.

Senior Machine Learning Engineer focused on Computer Vision is needed to design and deploy scalable vision-based systems. Requires 5+ years of ML experience, with 3+ years in computer vision, and proficiency in deep learning frameworks.

Lead Python Backend Engineer Browsing jobs can get boring, so let us convince you to actually apply for this one. We’re continuously looking for backend engineers who want to work on cutting-edge Python-based systems.

Oracle Database Engineer specializing in OCI/Exadata. Responsibilities include administration, monitoring, and support for Oracle Databases (19c, 26ai) on ExaCS. Manage HA/DR using RAC and Data Guard, and optimize performance via AWR/ASH.

Experienced Security Architect needed for a strategic Cyber Security project. Provide security architecture expertise, governance support, and assessments across technology solutions, focusing on IAM, network security, and risk analysis.

Full Stack Engineer specializing in AI systems to build production-grade workflows. Design agent planning, tool use, and failure handling across frontend, backend, and AI integrations. Requires experience with LLMs and system design.

Senior SRE on the Vault Platform team ensures enterprise application scalability and reliability. Requires 5+ years in Java, experience with open-source tech, and operational expertise in high-volume production environments.

Senior Scala Developer to design, develop, and enhance backend services, optimizing large-scale applications. Requires 5+ years in Scala backend development, system performance tuning, and experience using AI assistants.