ruby English-speaking jobs in Bielsko-Biała

At Madiff, we connect top IT talent with cutting-edge companies through remote Agile teams and nearshore outsourcing. With operations in Poland, Portugal, France, and the UK, we specialize in AI, DevOps, and Cybersecurity – supporting industries like Telecom, Banking, and Hi-Tech. Madiff delivers high-impact AI solutions to Fortune 500 clients and fast-growing start-ups.

Senior Data Scientist - Relocation to UAE Miejsce pracy: Kraków Technologies we use Expected Python SQL Optional Java Scala C++ Operating system macOS About the project Our Data Science team solves complex problems with smart, practical solutions. Data Scientists and Analysts work directly with product teams to uncover insights, guide decisions, and improve how customers experience Revolut.

The GSC supports international operations in shipping and logistics, offering cross-functional, end-to-end customer support experience and collaboration with global colleagues in a diverse and inclusive culture.

Overview Join to apply for the Quality Control Manager Assistant role at GC ENERGY Responsibilities Recording and updating quality and project required databases and providing the project management with accurate and timely statistics Assuring that the quality management system is being implemented and followed Preparation of documentation including: Inspection reports, Statistics, Red Line Mark U

Behavioural Science Lead - AI Miejsce pracy: Kłodzko Your responsibilities Design and validate behavioural components of our AI-driven personalisation engine (e. g. tailoring for nudges, feedback and patient support messaging, decision trees, adaptive journeys). Translate behavioural models (COM-B, BCW, BCT taxonomy) into scalable product features powered by data.

We are committed to sustainability and reinvesting in the communities we operate in. We are headquartered in Zurich and employ more than 12,000 people in more than 40 countries. We are always looking for talented people to help us have a positive impact on our industry and beyond.

About Us ERGO Technology & Services S. A. (ET&S S. A. ) was established in January 2021 following the integration of ERGO Digital IT and Atena into one entity, leveraging both companies’ strengths and best practices.

Overview We’re looking for a Front-End Software Engineer who’s passionate about building sleek, user-friendly web apps. You’ll work closely with our product, design, and backend teams to bring ideas to life, ensuring our customers have a seamless experience. The Role Front-End Software Engineer responsible for developing features and optimizing the front-end of Deel’s platform.

Overview Join our team as a Product Owner! About the project: Our team is part of Cost Processing & Transactions cluster. We support our clients in many areas of Finance and are responsible for the SAP software solutions (mainly SAP Classic) in Germany and abroad (e. g. , London Branch).

2026 Location: Kraków, Poland (Hybrid – 3 days/week onsite – mandatory) Industry: Banking & Finance ‍ Experience: 6 years About the Project: We are looking for an experienced Senior Fullstack Developer to join a long-term project in the banking and finance sector. This is a hybrid role, with 80% focus on Java and 20% on React.

Senior Software Engineer (Python) Miejsce pracy: Warszawa Technologies we use Expected Python AWS DynamoDB Kafka Terraform About the project Join our team and you’ll be responsible for building and maintaining the backbone of our new technical platform. Working in the B2B Core department you will contribute to the development of services and data pipelines powering our job-tech ecosystem.

Java Developer – digital banking sector Miejsce pracy: Katowice Technologies we use Expected Java Hibernate Spring REST Microservices Apache Kafka Optional Docker Kubernetes Helm Camunda Google Cloud Platform About the project We are looking for a Java Developer to join an impactful, transformational project within our Banking as a Service model.

As a team member you will develop software for embedded devices like device drivers, operating system adaptations or control applications. In everyday work you will use Linux and develop for Linux or other open source OSs. You will be encouraged to automate your workflow with scripting whenever possible.

Direct message the job poster from Pyramid Consulting, Inc Overview Role: QA Tester Type: Permanent / B2B Location: Warsaw, Poland (Hybrid – 2 days in office) We are looking for a QA Tester to join our team in Warsaw. In this role, you will work on testing web, mobile, and API solutions to ensure high-quality, reliable software delivery.

You will be: leading the migration of on-premises SLURM-based HPC (High-Performance Computing) clusters to Google Cloud Platform, designing, implementing, and managing scalable and secure HPC infrastructure solutions on GCP, optimizing SLURM configurations and workflows to ensure efficient use of cloud resources, managing and optimizing HPC environments, focusing on workload scheduling, job effici

We are seeking a skilled and detail-oriented Mid-Level Atlassian Engineer to support the configuration, administration, and optimization of Atlassian tools across our organization.

Overview (Contract) Psychotherapist / Psychologist Part-Time Mental Health Therapist (Hybrid: Remote/In-Person) Our mission: to eliminate every barrier to mental health. Spring Health is the leading comprehensive mental health benefit for employers. We help employees understand their mental health issues and connect with best-in-class providers to get the right treatment at the right time.

about-project : Hi, we're glad you're here! We are hiring to our Aviva Services Excellence Centre! Take a look at our job description - maybe it suits you or one of your friends? We’re hiring a Senior IT Security Specialist to support Information Security Risk Assessments (ISRA) across Aviva’s global operations.

Execution of sourcing projects including full end to end management (scope discussion and clarification, sourcing execution, contract management and reporting) RFXs preparation and execution including eSourcing solutions Negotiations, contract terms discussion, savings documentation and reporting Build and maintain relationships with client Stakeholders including cross functional teams in Engineer

Field Service Technician - Wind Turbines (Rzeszow) GE Vernova is seeking a qualified Field Technician for GE Vernova Onshore Wind to strengthen our wind turbine service and maintenance team in Poland.