ruby English-speaking jobs in Opole Voivodeship

Senior Backend Engineer to design and build Java services for AI platform, including multi-agent conversational AI, predictive analytics, and member engagement.

Senior Backend Engineer will design, develop, and maintain production-grade platforms for global clients. You will work in a dynamic team of 3-9 members to craft scalable and resilient backend systems. Requires 5+ years of experience building web applications and proficiency in Ruby, Python, JavaScript, or willingness to learn.

Yosh.AI seeks a hands-on generative AI engineer to architect, build, and deploy autonomous AI systems. You will leverage Google's Generative AI stack, Agentic AI, and LangChain to create solutions that solve complex business challenges.

React Developer needed for developing and maintaining modern web applications. Will analyze business requirements, ensure code quality through testing and reviews, and support production environments. Requires 4+ years of React experience, TypeScript proficiency, and knowledge of state management solutions.

Experienced Platform Architect to define and drive an end-to-end API strategy for a cloud-native organization. Responsibilities include shaping API standards, architecture, governance, and tooling across internal and external consumers. This role requires deep platform engineering expertise, cross-team leadership, and hands-on experience with AWS services.

Fullstack Developer needed to build and maintain web applications using Node.js and React. Responsibilities include developing APIs, crafting user interfaces, and troubleshooting technical issues. Requires 3+ years of fullstack/frontend development experience, cloud infrastructure knowledge, and proficiency in SQL and NoSQL databases.

DevOps Engineer to design, build, and operate secure, scalable AWS infrastructure. Experience with Kubernetes (EKS), Terraform, CI/CD, and observability tools required. Strong Linux, networking, and security fundamentals needed.

Future Mind seeks a business leader to launch and scale its Digital Commerce Practice. This role involves designing end-to-end commerce ecosystems, acting as a trusted advisor to C-level stakeholders, and building a consulting offering in the area of commerce and marketplaces.

Expert Data Engineer will design, build, and deploy cloud and on-premise data models and transformations. Responsibilities include developing and maintaining ETL/ELT pipelines, onboarding data sources, and optimizing data views for reporting. Requires 7+ years of experience as a Data Engineer with strong SQL, Python, and Spark/PySpark skills. Experience with cloud data engineering tools (preferably GCP), DBT, Airflow, and Trino is essential.

Senior Backend Engineer needed for remote contract role (EU only). Design, build, and maintain scalable backend systems, APIs, and ETL pipelines. Strong Java, database, and cloud platform experience required.

Senior Snowflake Developer needed for data warehouse initiatives in a cloud environment. Designs, builds, and configures Snowflake environments, leads migration projects, and integrates with Azure and on-prem infrastructure. Requires 5+ years of data platform and Snowflake experience, strong SQL and Python skills, and experience leading complex projects.

Azure Engineer responsible for maintaining cloud infrastructure, designing and implementing CI/CD pipelines, managing M365 tenants, and automating infrastructure provisioning. Requires fluency in Azure environments, experience with IaC using Azure Bicep, and knowledge of Azure cloud services, networking, security, and scripting languages.

System Analyst (Middle level) to conduct end-to-end system and IT analysis within banking software development projects. Responsibilities include defining system requirements, mapping dependencies, and designing system integrations. Requires 3+ years of experience in system/IT analysis within the banking sector, proficiency in BPMN and UML notations, and experience with SOA, ESB architecture, and Agile/Scrum methodologies.

Software Engineer to develop and maintain Ubuntu Server features for cloud environments. Responsibilities include building image delivery pipelines, integrating with cloud services, and collaborating with partners. Requires experience with Python, Linux, and public clouds.

Saily is seeking a Senior Mobile Engineer to design, build, and deploy AI-native tools and applications. The role requires 5+ years of development experience and expertise in native iOS or Android development. Responsibilities include owning problems end-to-end, delivering features, and improving internal agent networks.

Provides production application support for the Institutional Fixed Income Electronic Trading Platform, ensuring high availability and resolving issues. Requires 7+ years of experience in a high-pressure environment, strong problem-solving skills, and expertise in OOPs languages, scripting, and databases.

Senior Android Application Engineer to develop and implement custom platform services, applications, and device management features on a customized Android system. Requires expertise in Kotlin, Android SDK APIs, AOSP framework, and security policies.

PL/SQL Developer with GCP experience needed for a project migrating data and analytics processes to Google Cloud Platform. Responsibilities include designing, developing, and maintaining data pipelines and analytical solutions using BigQuery, SQL, Python, Dataform, and Vertex AI. Must have at least 3 years of experience in mass data processing, strong SQL skills, and knowledge of Dataform on GCP. Fluent English and Polish required.

Design, build, and maintain a scalable data and AI platform that ingests, processes, enriches, and serves content. Responsibilities include data engineering, AI/LLM processing, data storage, retrieval, and API development. Strong Python, AWS, and data pipeline experience required.

Senior Software Engineer to build APIs and secure access control systems for a graph-powered analytics platform. Requires 8+ years of backend experience, fluency in Java, Spring, and CI/CD, and experience with relational and graph databases.