7552 English-speaking jobs in Masovian Voivodeship

Software Engineer will design and implement new networking features for Kubernetes and Google Kubernetes Engine. Responsibilities include helping customers with production clusters, engaging with the open source community, and developing AI/ML enablement networking solutions.

Code Security Engineer will perform secure code reviews for web, mobile, and backend applications, identifying vulnerabilities and collaborating with development teams to improve secure coding practices.

Experienced Java Fullstack Developer to build and maintain scalable web applications. Responsibilities include developing backend services, building user interfaces with React.js, and designing RESTful APIs.

Experienced Full Stack Team Lead with 7+ years building web applications and leading teams. Expertise in React, Node.js, and related technologies. Responsibilities include front-end and back-end development, team mentorship, and system architecture.

Design Creatio-based CRM architectures for international clients. Define integration, security, and quality standards. Lead and mentor Creatio developers and consultants.

Senior Product Manager will lead the development and delivery of high-quality product features for Secret Escapes and Travelist mobile apps. This role prioritizes opportunities, balances business needs with team capacity, and ensures product decisions support marketing effectiveness. The ideal candidate has experience shipping features on iOS and Android, is data-driven, and comfortable collaborating with cross-functional teams.

Senior .NET Developer to design, develop, and maintain backend applications for energy and logistics systems. Experience with .NET 8, ASP.NET Core, SQL Server, Redis, RabbitMQ, Docker, and AI tools is required.

Data Engineer to architect and own the end-to-end reporting lifecycle for a diamond supply chain system. Transform raw Python application data into a high-performance analytics layer.

Staff AI Engineer will design, implement, and deploy end-to-end NLP and deep learning systems, building LLM-powered applications and production Python services. Responsibilities include working on retrieval models, evaluating model quality, and scaling systems. Requires 6+ years of experience in ML/AI engineering, strong understanding of Transformer architecture and LLMs, and experience building production LLM systems.

Senior Business Analyst to join IT projects for financial institutions, primarily insurance companies. Conduct complex business analysis, define functional requirements, and test solutions. Collaborate with developers and IT architects.

Senior .NET Developer to design, build, and deliver features using C#, .NET Core, and Angular. Experience with cloud-native technologies (AWS), CI/CD, and DevOps practices is required. 5+ years of software development experience with a strong understanding of OOP and system design is essential.

QED, a tech company focused on public health and food security in Sub-Saharan Africa, seeks an Infrastructure Engineer to join their Warsaw team. Responsibilities include planning, designing, testing, and deploying infrastructure using declarative tooling (NixOS, k3s, Terraform) on bare metal servers with some cloud integration. The role also involves improving dev tooling, maintaining monitoring and alerting, and responding to downtimes.

Senior Firewall Engineer will convert and migrate firewall configurations, analyze network environments, and collaborate with clients and development teams. Requires 7+ years of experience in network roles, expertise in network security and platforms, and hands-on firewall configuration experience from at least two vendors (Cisco, Check Point, Palo Alto, Fortinet). Must have Python scripting skills, production deployment knowledge, and fluency in English.

Senior Load Tester will design and execute load, stress, spike, and soak tests. Analyze results, pinpoint performance issues, and collaborate with backend engineers. Build and maintain performance test scripts, integrate tests into CI/CD pipelines, and define performance benchmarks.

Senior Google Ads (SEM) Specialist to manage performance campaigns for e-commerce clients. Requires 2.5+ years experience, expertise in Google Ads, international markets, and analytical skills. Must be proficient in GA4, Looker Studio, and Excel/Sheets.

Design, develop, and deploy Generative AI applications using AWS Bedrock, SageMaker, and open-source LLMs. Create and optimize prompting strategies, guardrails, and evaluation frameworks for LLM applications. Build RAG pipelines using Bedrock Knowledge Bases, vector stores, or external solutions. Fine-tune foundation models using SageMaker or Databricks MLflow. Implement ML pipelines, including data ingestion, feature engineering, model training, evaluation, and deployment. Integrate ML/LLM services with backend systems, APIs, Snowflake data products, and Databricks workflows. Collaborate with product owners, cloud engineers, data engineers, and architects to translate business requirements into GenAI solutions. Participate in client workshops, POVs/POCs, and design sessions for new AI/ML use cases. Produce architecture diagrams, technical documentation, and best-practice guidelines. Apply responsible AI principles in all solutions, ensuring secure data handling and compliance with enterprise standards. Explore and benchmark emerging LLMs, embeddings models, and vector database solutions across AWS, Snowflake, and Databricks ecosystems. Share knowledge, mentor team members, and contribute to internal accelerators or reusable components.

Experienced Fullstack Engineer (Node.js & React) to join a team developing solutions for key clients. Responsibilities include analyzing business requirements, writing clean code, and supporting junior colleagues. Must have at least 3 years of experience in Fullstack development and a deep understanding of Node.js, React, and related frameworks. Fluency in English is required.

Tech Lead / Senior Embedded Linux Software Engineer will develop software for embedded devices, solve technical problems, and collaborate with a team. Requires 7 years of embedded software experience, 5 years of C programming, and 2 years of Linux OS experience (Buildroot/Yocto).

NET Software Engineer to develop a market-leading application automating schematic to data conversion. Requires 7+ years of software development experience with expert-level C# knowledge, architectural patterns, and data modeling.

Senior Data Engineer to design and implement data platforms for a Fortune 500 client in finance, loans, investments, and real estate. Responsibilities include developing PoCs, building data pipelines, and leveraging Gen AI applications. Requires 5+ years of experience in data-related roles, expertise in Python and SQL, and experience with data warehouses (Snowflake) and AWS.