20 English-speaking jobs in Koszalin

Staff Backend Engineer to own the distributed data platform for crypto tax. Requires 8+ years in complex, data-heavy systems, expertise in TypeScript, PostgreSQL, and distributed architecture.

Staff Back End Engineer to own the distributed data platform for crypto tax. Requires 8+ years in complex, data-heavy systems, expertise in TypeScript, PostgreSQL, and distributed architecture.

Penetration Tester role involves identifying and investigating security vulnerabilities. Requires a Computer Science degree and 3+ years of experience in web application and infrastructure penetration testing. Proficiency with industry tools and scripting is necessary.

Junior Penetration Tester role involving identifying and investigating security vulnerabilities. Responsibilities include supporting testing methods, creating reports, and mentoring. Requires a Computer Science degree and 3+ years of experience in web/infrastructure penetration testing.

Build production-grade, agentic AI systems for VC and PE clients. Own end-to-end delivery of LLM workflows, full-stack AI applications, and scalable data infrastructure. Requires hands-on experience shipping production AI/LLM systems.

Senior QA Automation Engineer to contribute to a fintech project by generating automated test scripts and test plans. Requires 4+ years of QA/Test Automation experience, proficiency in Python, and experience with Selenium/PyTest in AWS environments.

Automate Linux and Windows server provisioning using Ansible. Manage Azure resources via code and develop GitHub Actions pipelines. Requires strong Linux skills, Python, and Ansible experience.

Penetration Tester role requires 3+ years experience in web/infrastructure testing. Responsibilities include identifying vulnerabilities, supporting security projects, and creating reports. Must know OWASP and tools like Burp Suite.

Design, build, and maintain secure, scalable Azure infrastructure using Terraform and CI/CD pipelines. Focus on Azure platform services, migrations, and collaboration with technical teams. Requires 4+ years of Azure experience.

Own the distributed backend data engine for a crypto tax platform. Requires 8+ years in complex, data-heavy distributed systems, expert TypeScript, and DeFi context. Focus on high-performance, correct data processing.

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 Cloud and Infrastructure Security Engineer to assess and strengthen multi-cloud security across Azure and AWS. Focus includes Kubernetes, network architecture, and VM security. Define hardening baselines and provide remediation recommendations.

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 Software Engineer Lead Developer to design and evolve reliable backend services for high-volume communications across multi-region, multi-tenant environments. Requires 5+ years of experience with system design, Python/Kotlin, and distributed systems using AWS and Kubernetes.

Senior Backend Engineer to design and evolve reliable, high-volume backend services for multi-region, multi-tenant communications infrastructure. Requires 5+ years experience with Python/Kotlin, distributed systems (AWS, K8s), and vendor integrations.

Senior Software Engineer to design and evolve reliable backend services for high-volume communications across multi-region, multi-tenant environments. Requires 5+ years experience with system design, Python/Kotlin, and distributed systems using AWS, MySQL, and Kubernetes.

Fullstack Mid Java React Developer needed for Java and React development. Responsibilities include technical decision-making, code quality, and agile participation. Requires 4+ years in commercial software development with strong Java (Spring Boot, JPA) and React/TypeScript skills.

Senior Software Engineer to build and modernize a highly available communications platform. Own technical goals for multi-region, multi-tenant infrastructure, APIs, and vendor integrations. Requires 5+ years experience with distributed systems and Python/Kotlin.

Senior SRE owns reliability for Akamai's serverless inference platform. Responsibilities include building automation, maintaining observability for AI workloads, and contributing to architecture using Kubernetes and Python/Go.

Fullstack Engineer role requiring Python/FastAPI, PostgreSQL, React/TypeScript skills. Focus on building and maintaining scalable web infrastructure, driving CI/CD, and optimizing performance across layers.