freelance English-speaking jobs in Ełk

As a Transfer Agency Investor On Boarding Representative, you will drive due diligence checks on shareholder accounts to achieve accuracy and client satisfaction. Responsibilities include updating investor accounts, establishing client contacts, and ensuring adherence to policies and procedures.

Serves as the primary point of contact for technical and quality-related customer queries. Communicates with internal and external stakeholders, prepares product specifications, and delivers customer documentation. Manages projects, provides progress reports, and supports product development and audits.

Senior Backend Engineer will design, operate, and improve Saleor-based e-commerce platform features and integrations with external systems. Responsibilities include building Python/FastAPI services, managing Kubernetes deployments, and resolving operational issues.

Implement and customize Salesforce solutions for insurers and banks. Configure, integrate, and customize Salesforce software to meet client needs. Create, design, and implement state-of-the-art solutions. Work directly with clients as an active member of an agile project team.

Senior SAP EWM Consultant needed for international projects. Requires 5+ years experience in SAP EWM implementations, strong analytical and communication skills, and fluency in at least two of: Polish, English, German.

Senior Security and Network Specialist will maintain, secure, and improve internal firewall infrastructure (Fortinet FortiGate) and enterprise network (HPE/Aruba switching). Requires 5+ years of hands-on experience in firewall administration (preferably Fortinet FortiGate) and strong practical knowledge in network infrastructure management, especially with HPE and Aruba switches/Wifi.

Design and build scalable, low-latency backend services for a leading trading platform. Develop distributed and asynchronous systems ensuring reliability and fault tolerance. Optimize performance across JVM, databases, caching, and networking layers. Apply security best practices in handling client PII and financial transactions.

Java Technical Lead with 10+ years of experience in Java development, Spring Framework, and enterprise systems. Expertise in RESTful APIs, microservices, messaging systems (Kafka), Angular, and databases (Oracle, SQL, PL/SQL). Experience with Docker, Kubernetes, CI/CD tools, and Git. Fluent English required. Hybrid work model (twice a week in office).

Sales Representative will generate new business, contact existing customers, and provide tailored solutions. Role requires proficiency in Czech (C1 minimum) and communicative English (B1 minimum).

Mobile automated test engineer for EFB solutions. Focus on iOS platform with some cross-platform components. Testing and optimization of existing test suite. Requires C++ skills, Swift knowledge is a plus.

UNICEF seeks a consultant to lead education sector coordination, develop a national framework for Polish language instruction, and support volunteering and youth engagement initiatives.

Fullstack Developer needed for end-to-end application development. Develop backend services with Node.Js (NestJS/Express) and frontend apps with React/Next.Js + TypeScript. Experience with databases (PostgreSQL, MongoDB), APIs, and smart contracts is required.

Senior Software Engineer will design, build, and maintain scalable backend API services using Java-based technologies. Responsibilities include requirements gathering, API development, GenAI-assisted development, quality assurance, and continuous improvement.

Leads trade agenda for the Cooking Aids vertical in Poland Foods, developing channel strategy for Modern Trade clients. Collaborates with Sales, Marketing, Supply Chain, NRM, and Finance to execute category plans. Manages budget, analyzes data, and drives choices for the future and current period.

Senior Delivery Manager for complex IT projects in the public and utilities sectors. Manages project portfolios, leads bid management, and develops client relationships. Requires 10+ years of experience, project management certifications (PRINCE/PMP/ITIL), and fluency in English and Polish.

Data Scientist to design, implement, and present AI/ML solutions for a public sector client in Finland. Requires 4+ years of experience, proficiency in Python, R, SQL, and AI/ML tools like TensorFlow, PyTorch, and scikit-learn.

As an Atlassian Consultant, you will provide expertise in implementing and customizing Atlassian products within a global company environment. You will analyze business requirements, develop solutions, and manage projects, ensuring efficient utilization of Atlassian tools.

As an Engineering Manager, Delivery, you will lead and mentor a team of engineers while contributing directly to the modernization of production mainframe systems using Imogen. You will collaborate with customers, partners, and internal teams to ensure successful delivery and team growth.

Senior Software Engineer will design, build, and own core components of the Snowflake .NET Driver and related SDKs, focusing on API quality, performance, reliability, and security.

Data Analyst needed for a Polish company with international reach. Requires 2-3 years of experience, fluency in English (C1/C2), and proficiency in data visualization tools like Tableau and Power BI. Strong Excel skills are essential.