design English-speaking jobs in Koszalin

Network Service Engineer needed for a 6-month contract with potential extension. Implement and upgrade network infrastructure for a global digital infrastructure company. Experience with Juniper, Cisco, Palo Alto, Python, and network automation required.

Security Engineer will build and maintain secure infrastructure components for AI platform deployments. Responsibilities include configuring and managing security infrastructure, API Gateway security, secrets management, network security controls, and monitoring integrations.

Lufthansa seeks a Java Developer with Kotlin expertise for Digital Hangar, focusing on improving passenger experience through web portals, mobile apps, and B2B platforms. Responsibilities include implementing REST APIs, integrating with systems like Kafka and Redis, and troubleshooting issues in a distributed system.

Build AI-powered infrastructure for VC and PE firms, including agentic AI systems, full-stack applications, and data platform engineering. Translate business needs into technical solutions and own delivery end-to-end. Must have experience shipping production AI/LLM systems and proficiency in an AI-native coding workflow.

HR Business Partner will act as a strategic partner for managers, advising on employee engagement, talent management, and performance evaluation. The role includes oversight of personnel administration, supporting recruitment processes, and managing employee relations. Requires 5+ years of HR experience, knowledge of labor laws, and fluency in English.

Portfolio Manager to support daily office operations and contribute to a positive work environment. Responsibilities include managing retail/generation portfolio hedge, executing market operations, and monitoring market conditions. Requires a university degree, 2+ years of experience in banking, trading, brokerage, or financial/technical sales, and knowledge of energy market legislation and platforms.

QA Engineer needed to ensure software quality across global projects. Responsibilities include documentation testing, creating test suites, identifying bugs, and verifying functionality across platforms. Must have 2+ years of experience as a QA Engineer, experience with back-end and front-end testing, SQL databases, REST API, CI/CD principles, GitLab, Jira, Confluence, and Scrum. Strong analytical, problem-solving, communication, and collaboration skills are required. Fluency in English and German is necessary.

Lead and design a globally distributed AI inference platform with OpenAI-compatible endpoints. Architect, design, and optimize core infrastructure for performance, compliance, and cost-effectiveness. Provide thought leadership on AI inference optimization and model serving architectures.

Data Engineer to build and launch data pipelines and data models in Azure cloud environments. Collaborate with clients, implement best practices, and optimize analytical solutions. Requires 2+ years of experience in data engineering, cloud platforms (Azure, AWS, or GCP), Python, SQL, and relational databases.

Delivery Manager to orchestrate the delivery of foundational technology services. Align platform roadmaps with client-facing division requirements. Drive a culture of excellence using DORA metrics and robust incident management.

Mid/Senior React Developer needed for MUI 9 migration project. Build a central SSR-compatible component library using MUI 9, Next.js, and Storybook. Expert-level React knowledge, MUI 9 experience, and SSR/CSR understanding required. At least 5 years of relevant frontend experience and component library experience necessary.

Java Engineer to design, develop, and test software for avionics systems. Requires experience with Java, object-oriented design, and containerization technologies. Must be comfortable working in international teams and have strong English skills.

BruntWork seeks a Recruitment Officer with 4+ years of full-cycle recruitment experience to source, screen, and hire candidates. Must communicate fluently in English, meet hiring targets, and follow a structured recruitment process. Experience with Applicant Tracking Systems is preferred. This is a remote, independent contractor role.

Lead the finance and accounting functions for a venture-backed tech startup. Responsibilities include financial planning, reporting, and modeling, accounting and compliance, fundraising, and investor relations. Requires deep financial expertise, fundraising experience, and leadership experience in a high-growth startup environment.

Drive organizational change for large international digital transformations. Develop and implement change strategies, conduct assessments, manage stakeholders, and execute communications and training programs.

Develop top-tier casino games for mobile, tablet, and desktop. Build interactive web-based games from concept to launch. Collaborate with a team across Europe, the UK, and the US.

The T&E Analyst manages corporate card programs, monitors card usage, prepares reports, and provides support to cardholders.

Develop digital products using Kotlin, Spring Boot/Quarkus, and Angular on AWS cloud. Collaborate with product owners, business experts, and data specialists to manage transportation risks and optimize transportation processes. Experience in front-end development, cloud development (AWS preferred), microservices, Docker, and SQL/NoSQL databases is required. Strong communication skills in English are essential.

Java Developer Intern will implement new functionalities, research references, and collaborate with the development team. Must have basic Java knowledge, analytical problem-solving skills, and understanding of OOP and SOLID principles. Experience with Redis, SpringBoot, PostgreSQL, Protocol Buffers, Jenkins, Maven, Python 3, or Netty is a plus.

Develop and deploy battery optimization software, enhance MILP models, and integrate with Axpo's IT infrastructure. Requires a degree in a relevant field, 3+ years experience as a quantitative analyst or software engineer, and strong modeling or software engineering skills.