16 English-speaking jobs in Częstochowa

Senior Software Engineer to build and implement real-time fraud decisioning services and APIs in Python or Kotlin. Extend the Fraud Decisioning System to new markets and integrate region-specific risk vendors.

Senior Software Engineer to build and evolve real-time fraud decisioning services and APIs in Python or Kotlin. This role extends Affirm's system to new markets, integrating risk vendors and operationalizing ML signals. Requires 5+ years building backend systems at scale.

Senior Software Engineer Fraud to design and implement real-time fraud decisioning services in Python or Kotlin. This role extends the Fraud Decisioning System to new markets and integrates risk vendors. Requires 5+ years building backend systems at scale.

Senior Fullstack Mobile Engineer KMP role building digital financial products. Develop shared logic via KMP, design backend services with Java/Spring Boot, and enhance customer-facing mobile features. Requires strong Kotlin/KMP and mobile architecture skills.

Senior AWS Software Developer to design and implement real-time fraud decisioning services in Python or Kotlin. Own quarterly goals, build scalable platform tooling, and integrate region-specific risk vendors. Requires 5+ years building backend systems at scale.

Monitor and troubleshoot Azure platform components like Databricks and Data Factory. Provide operational support for data pipelines and automate tasks using scripting. Requires Azure experience and strong analytical skills.

Snowflake Engineer dbt role involving designing and developing data models in Snowflake and building transformations in dbt. Requires solid Snowflake and dbt experience, strong SQL, Git knowledge, and English proficiency.

Junior Application Security Engineer role involving fixing well-scoped issues like security headers and dependency upgrades. Requires 1-2 years of development experience and coding in Java, C#, TypeScript, Ruby, or PHP.

Senior Flutter Software Engineer to design, develop, and maintain high-quality cross-platform mobile applications. Responsibilities include technical design, code reviews, and mentoring. Requires 8+ years of experience and proficiency in English.

Senior Software Development Engineer - Data role involves designing, developing, and maintaining high-quality cross-platform mobile solutions. Responsibilities include technical design, code reviews, and mentoring engineers. Requires 8+ years of experience and proficiency in mobile development.

Senior Flutter Software Engineer to design, develop, and maintain high-quality cross-platform mobile applications. Responsibilities include technical design, code reviews, and mentoring. Requires 8+ years of experience and proficiency in English.

Senior DevSecOps Engineer maps the operational attack surface and assesses applications. Responsibilities include building CI/CD security gates, creating triage processes, and producing weekly progress reports for the CISO.

Senior Flutter Software Engineer to design, develop, and maintain high-quality cross-platform mobile applications. Requires 8+ years of experience and 3+ years in Flutter development, focusing on scalable solutions and architecture.

Senior DevSecOps Engineer maps the operational attack surface across cloud, edge, network, and VM estates. Responsibilities include building CI/CD security gates, creating triage processes, and producing weekly progress reports for the CISO.

Full Stack Engineer to build and enhance applications using Python and JavaScript (Node.js). Responsibilities include developing RESTful APIs, implementing automated tests, and exploring LLMs. Requires 3+ years of experience.

Senior Data Engineer needed to build big data products using Azure Databricks for global clients. Responsibilities include designing scalable data solutions, managing the data lifecycle, and developing data pipelines. Requires 4+ years in Azure and 6+ years in large-scale data management.