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Expert Python Engineer with AI/ML skills
Build and deploy AI/ML solutions in Python for credit and lending, leading architecture and mentoring engineers in a hybrid Kraków office.
Senior Python Engineer with AI/ML skills
Senior Python engineer builds AI/ML systems for credit and lending using LLMs, RAG, and vector databases in a Kraków-based hybrid role.
Experienced Python Consultant with AI/ML skills
Designs and builds AI/ML systems for credit and lending using Python, LLMs, and RAG, while mentoring engineers and collaborating with stakeholders in Kraków.
Lead QA | Híbrido/SP - 135050
Lead a QA team for a Brazilian bank, designing test strategies, automating BDD scenarios with Cucumber/Concordion, and modeling edge cases and fraud simulations.
Desenvolvimento Fullstack (.Net + React) | Híbrido/SP - 135026
Builds scalable enterprise apps using .NET and React in a hybrid setup, integrating APIs, microservices, and Azure with clean code and CI/CD practices.
Expert QA Engineer
Type of contract: Employment contract Salary range: 15000 - 23000 PLN gross What will you do? You will join a customer-facing software project and take ownership of quality assurance activities across mobile, API, and…
Expert QA Consultant
Type of contract: B2B contract Salary range: 140 - 175 PLN/H What will you do? You will join a customer-facing software project and take ownership of quality assurance activities across mobile, API, and UI layers. You…
QA Engineer
Type of contract: Employment contract Salary range: 9700 - 15600 PLN gross What will you do? As a QA Engineer, you will be responsible for designing and executing test scenarios, creating test documentation, automating…
QA Consultant
Type of contract: B2B contract Salary range: 85 - 120 PLN/H What will you do? As a QA Consultant, you will be responsible for designing and executing test scenarios, creating test documentation, automating test…
QA Automation Engineer (Mobile)
Build and maintain mobile test automation using Serenity BDD, Screenplay, Appium, and REST API validation in CI/CD pipelines for native and React Native apps.
(Senior) Backend engineer
Builds and maintains a scalable, cloud-native backend platform for financial services, focusing on APIs, microservices, and enterprise-grade architecture with C#/.NET, Azure, and NoSQL databases while collaborating with cross-functional teams.
Backend Engineer (Java / Spring Boot)
Mid Backend Engineer building and deploying features end-to-end using Java, Spring Boot, MySQL, Redis, RabbitMQ and AWS for a high-availability travel platform.
Backend Developer - Java (Hybrid Madrid)
Build and maintain Java-based backend services for a wealth-management client using Spring Boot, Kubernetes, and Kafka in a hybrid Madrid role.
Full Stack developer (Java/React)- Hybrid Madrid
Build and maintain full-stack Java/Spring Boot and React applications for enterprise clients using agile and DevOps practices.
Python Developer
Build Python-based simulators and mock services to automate testing of security alarm systems, integrating with CI/CD pipelines and IoT protocols like MQTT.
Data Platform Engineer
Build and operate a secure, scalable data platform for analytics, CRM, and AI-driven personalization using Python, SQL, and Terraform on GCP/AWS.
Senior Big Data Engineer — Java/Scala, Data Lake
Build and optimize a data lake using Java/Scala, applying TDD/BDD and concurrent design to deliver robust, scalable pipelines for analytics.
Full Stack Engineer - Java in London - Solirius Reply
Build and maintain full-stack Java applications using Spring, React/Angular, Docker, and cloud services, with a focus on REST APIs, SQL, and CI/CD pipelines.
Full Stack Engineer- London
Build and maintain full-stack Java/Spring Boot and React applications for a UK finance-sector client, deploying to AWS in a hybrid role.
Full Stack Engineer
Full Stack .NET Engineer building and modernizing a large-scale publishing platform using .NET, Vue.js, and cloud services.