625 English-speaking jobs in Łódź

Design and implement automated test suites for switch software and firmware. Develop Python-based testing frameworks for functional and performance testing.

Design and build an AI Operating System for a company of 100 people. Develop custom tools and integrations with AI model APIs (Claude, GPT-4o, Gemini). Establish AI governance rules and design cross-disciplinary workflows.

Fullstack Developer with 3+ years of experience in TypeScript, Node.js, and React. Expertise in backend development, RESTful APIs, and microservice architecture. Experience with cloud solutions (AWS), databases (PostgreSQL, MongoDB), and automated testing. Strong communication and collaboration skills.

Develop secure, high-performance software in Rust and C++ for a multi-factor authentication platform. Contribute to passwordless authentication components and build solutions for web proxies and reverse proxies.

Senior Business Analyst to support data and analytics platform enhancements. Requires 4+ years of experience, financial services industry knowledge, and strong SQL skills for querying and analyzing relational databases.

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.

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.

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.

Backend Kotlin Engineer to design, develop, and maintain high-quality backend services. Collaborate with cross-functional teams to define, design, and ship new features using coroutines and existing frameworks. Write unit and integration tests and participate in code reviews.

Full Stack Developer needed for interactive form builder project. Expertise in Golang (backend) and React/TypeScript (frontend) required. Responsibilities include designing, developing, and maintaining backend services and frontend applications, collaborating with teams, and ensuring high-quality code. Experience with Kafka, AWS, Terraform, Kubernetes, and Jenkins is essential.

Backend Developer will maintain and improve Go-based backend services, design database schemas, and develop backend logic for a SaaS platform focused on interactive digital experiences.

Senior Business Analyst to support a global travel-tech company's SAP Compleat platform. Analyze workflows, gather requirements, and ensure configurations align with business policies. Experience with travel processes, mid-office systems, and GDS platforms required.

QA Automation Engineer will design, develop, and maintain automated UI and functional test scripts for desktop applications using Robot Framework and Python.

Senior Full-Stack Engineer to design, architect, and deliver scalable systems using Python, React, and Next.js. Responsibilities include backend development with frameworks like FastAPI or Django, API design, and collaborating with cross-functional teams. Requires 5+ years of experience in modern web application development, Python backend development, and AWS technologies.

Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.

Senior Backend Engineer (Java / Architecture) needed for a long-term freelance project. Refactor and modernize legacy backend systems, improve microservices, and maintain REST and SOAP interfaces. Must have strong Java (Spring / Spring Boot) and architectural skills, experience with Kubernetes, and excellent communication skills.

Senior Data Engineer to design and implement scalable data architectures using Google Cloud Platform (GCP). Experience with BigQuery, Dataflow, Pub/Sub, BI/ETL, and big data technologies required.

Senior .NET Developer with Angular expertise sought for freelance project-specific B2B contract. Develop scalable, cloud-native applications using .NET, C#, Angular, Azure services, and SQL Server.

Senior Fullstack Developer to design, build, and integrate scalable applications and data services. Experience with Python API development, SQL, Apache Kafka, and Azure Cloud Platform required. Strong problem-solving skills and experience working in a fast-paced environment. Previous hands-on experience with Aladdin APIs and data structures preferred.

Senior Data Engineer to process simulation data for Autonomous Vehicle development. Analyze large-scale sensor datasets, design data queries, and prepare data for AV simulation environments and ML pipelines. Requires 4+ years of experience in Data Engineering, advanced SQL, Python, and Spark/PySpark.