remote English-speaking jobs in Leszno

Lead and mentor a team of engineers focused on the core compute platform. Drive architectural direction for reliability, scalability, and developer experience. Contribute to design, implementation, and optimization of compute services. Collaborate with Infrastructure, Security, and Backend teams.

Develop and improve mobile applications using .NET MAUI, C#, and Realm. Collaborate with cross-functional teams to deliver high-quality releases. Contribute to mobile best practices and code quality standards.

QA Engineer will create and execute automated and manual tests to ensure optimal system performance. Collaborate with development and support teams to deliver high-quality applications. Develop and maintain test plans, document QA processes, and advocate for best practices. Requires 5+ years of QA experience, strong automation background, finance expertise, and experience with SQL, APIs, and programming languages (Java, C#, Python).

As a Concerto Product Owner, you will define harmonized target processes and system behavior for the CONCERTO supply chain backbone solution. You will translate business requirements into specifications for IT teams and ensure the system aligns with business goals. You will also define test plans and follow up on the business impact of the project.

Graduate software engineer will build and maintain systems used by millions, integrating AI tools into development workflows. Responsibilities include designing, implementing, testing, and documenting software, working across diverse technology stacks, and simplifying complex systems.

Senior Software Engineer to build and enhance AirHelp+ subscription and mobile app backend features. Responsibilities include designing, developing, and deploying new services, writing scalable code, and collaborating with the team on all stages of the software development lifecycle. Must have 5+ years of experience in building production-grade software and proficiency in modern backend stacks.

Quality Assurance Engineer to validate Kubernetes integrations for AI accelerator hardware. Design, develop, and maintain automated test suites. Validate scheduling, resource allocation, and device management in production environments. Collaborate with development teams on quality standards and test strategies.

TransferGo seeks an Android Engineer to collaborate on building and improving mobile applications. Responsibilities include participating in the full Android development lifecycle, identifying areas for enhancement, and staying current with industry trends. The ideal candidate has 2+ years of experience in object-oriented and protocol-oriented programming, experience with Android application development, and proficiency in Kotlin, Compose, Dagger, and RxJava or Coroutines.

Senior Product Owner for Order Management System (OMS) defines and executes global OMS strategy, roadmap, and value delivery. Leads cross-functional teams, fosters innovation, and manages product lifecycle from ideation to optimization. Requires 8+ years in digital product management, deep understanding of digital product lifecycle and omnichannel strategy, and experience with data analytics tools.

Penetration Tester (SaaS and IoT) will conduct manual and automated testing of SaaS platforms, APIs, and IoT devices. Responsibilities include vulnerability management, secure SDLC integration, and creating technical documentation. Requires 4+ years of experience in a technical security role, expertise in testing both hardware/firmware and web-based platforms, and proficiency in scripting and security tools.

Manage credit control processes to safeguard liquidity and minimize financial risk. Responsibilities include credit assessments, monitoring overdue receivables, managing credit limits, and ensuring compliance with internal policies. Requires a degree in Business Administration or comparable field and 2-4 years of experience in credit control or a related area. Strong IT skills in MS Office and SAP S/4 HANA are required. Fluency in French (C1), German (B2), and English is essential.

As a member of the IT Global Enterprise Integration team, you will support, analyze, and evaluate business systems. You will design, develop, and build integration code, and work with the testing team to execute test plans. You will also provide 2nd Tier support as a Subject Matter Expert (SME).

The Senior Platform Developer delivers high-quality, secure, and scalable solutions for the International Salesforce platform. Responsibilities include designing, building, and maintaining business-critical capabilities, ensuring efficient release processes, and mentoring junior team members.

Leads the evolution of software digital product development practices, ensuring alignment with enterprise platform strategies. Defines and maintains engineering guardrails and reusable assets. Drives modernization by embedding cloud-native architectures, DevSecOps, and automation. Mentors engineering teams and leaders, fostering a culture of continuous improvement. Provides strategic insight into emerging technologies and engineering practices.

Lead Software Engineer with 10-15 years of experience in MLOps, Machine Learning Engineering, or DevOps. Deep expertise in AWS machine learning infrastructure, specifically SageMaker. Strong Python skills and experience deploying LLM frameworks (LangChain, LlamaIndex, or similar) in production. Proven track record of building and maintaining internal tools for cross-functional teams. Solid understanding of LLMOps principles.

SAP FI Tax Consultant will participate in SAP implementations and projects, delivering country-specific solutions in VAT, tax, and reporting. Provide professional SAP advisory on VAT, tax, and reporting areas for clients. Collaborate with Tax Departments to deliver high-quality solutions.

As an MLOps Engineer, you will ensure efficient deployment, monitoring, and maintenance of machine learning models across environments. Responsibilities include automating model deployment and updates, implementing CI/CD pipelines for ML workflows, optimizing ML models, and setting up monitoring and logging.

Cloud Engineer to join a team delivering cutting-edge IT systems for European Air Traffic Management. Requires deep knowledge of Microsoft Azure, Databricks, and Terraform. Minimum 3 years of cloud experience.

Collect and analyze client documentation to meet AML requirements. Assess client data to build KYC profiles and assign risk ratings. Conduct research to support financial crime detection and ensure compliance with policies and guidelines.

Design and architect scalable conversational AI solutions (voicebots & chatbots) for enterprise environments. Lead R&D initiatives focused on conversational AI, NLP/NLU, and digital workplace automation. Integrate AI solutions with enterprise systems, APIs, and microservices. Collaborate with cross-functional teams to define conversational UX standards and ensure high-quality user experience. Drive projects end-to-end in an agile, cloud-based environment.