6775 English-speaking jobs in Masovian Voivodeship

Designs and delivers data pipelines processing billions of ad events daily. Modernizes legacy ad-tech systems into cloud-native lakehouse architectures. Partners with Data Science to operationalize ML models.

Financial & Tax Controller responsible for local statutory books, VAT & CIT tax declarations, monthly reconciliations, and tax compliance. Requires a chartered local accountant with 5+ years' experience in a similar role and multi-country company environment. Experience with centralized models and IT SW companies is beneficial.

Staff Backend Software Engineer will design, implement, and maintain API services for a financial data ecosystem. Responsibilities include leading architecture designs, researching new technologies, and mentoring other engineers. Requires extensive software development experience, expertise in API design, and experience building services with Java, SQL, and AWS.

Investigates cryptocurrency transactions for suspicious activity, utilizing blockchain analytics and financial crime compliance expertise. Ensures adherence to AML/CTF regulations and collaborates with internal teams to mitigate illicit activities.

Python Software Engineer to develop and maintain scalable applications using Python frameworks, cloud platforms, and databases.

Regional Insurance & Risk Manager for Europe will support the global insurance and risk control strategy. The role will ensure Business Unit and Market compliance with the Ice Cream Policy on Insurance & Risk and liaise with various teams to manage insurance policies, claims, and risk profiles.

Senior Mobile Application Engineer specializing in React Native to develop and maintain high-quality applications for iOS and Android platforms. Will work on apps for LeoVegas brands and contribute to launching new brands and expanding into new markets. Requires at least 5 years of experience as a mobile developer for Android and iOS, strong experience with React Native, proficiency in TypeScript, and experience with cloud integrations, Rest API, Datadog, GraphQL, and version control.

Ensures data privacy principles are implemented across Publicis' BeNe, Nordics & CEE market. Collaborates with global privacy and security teams to implement data privacy by design. Serves as a data privacy subject matter expert, reviewing processes, conducting assessments, and providing guidance on privacy-related matters.

RedStone, a fast-growing blockchain startup, seeks Backend Developers to build secure and decentralized oracle infrastructure. Responsibilities include developing data-fetching, aggregation, and verification pipelines, blockchain node integrations, and monitoring. Requires 5+ years of software development experience, knowledge of multi-layer web architecture, async/event-driven frameworks, security best practices, and blockchain technologies. Experience with Solana and Rust is preferred.

Full-Stack Java Developer to design, build, and maintain scalable web applications. Develop backend services using Java, Spring Boot, and microservices architecture. Design and implement frontend components using React, Angular, or Vue.js.

Senior .Net Engineer to join one of three core engineering squads. Squads focus on Premium Features, SaaS Product Reinvention, or AI & On-Prem Applications.

Lead European expansion for a web-data analytics company. Own go-to-market strategy for priority regions, build pipeline, and close new business with mid-market and enterprise buyers.

Software Engineer (Python/TS) will join a team developing an advanced advertising platform. Responsibilities include translating business objectives into software requirements, working on projects with microservices architecture, and utilizing AWS cloud provider(s). Requires 3+ years of experience, a Master's degree in Computer Science or equivalent, proficiency in Python or TypeScript, and experience with SQL and build/dependency management tools.

Global Talent Management Senior Expert will design and implement performance, people growth, and talent development strategies. Lead project management efforts and support performance and people growth processes. Requires 7+ years of experience in Talent Management with a proven track record of successful implementation at a global or regional level.

Execute threat-intelligence-led red team and purple team engagements to evaluate security controls and improve security outcomes. Apply creativity and sound engineering judgment to simulate realistic adversary behaviors. Partner with defenders and engineers to translate findings into remediation plans.

Leads the end-to-end quote to contract process, driving efficiency and customer satisfaction. Implements process improvements, manages dependencies and risks, and collaborates with cross-functional teams.

Senior Product Analyst will embed within product engineering squads to provide analytical support, measure feature performance, and inform product direction. Responsibilities include improving mobile app monetization, leading data curation, and enabling product self-service through AI-powered analytics.

As a Custom Software Developer, you will lead and innovate, defining tasks, driving initiatives, and mentoring colleagues. You will provide global technical guidance, shape the organization's direction, and ensure high code quality and security. You will possess deep expertise across multiple technology areas and lead the transition from a modular monolith to microservices.

Senior UX CRO Strategist will centralize conversion rate optimization across Comrade Digital Marketing and Grow Law websites. Responsibilities include developing and executing a CRO roadmap, running A/B tests, optimizing user journeys, and collaborating with cross-functional teams to implement UX improvements. Must have 5+ years of experience in CRO, UX optimization, or growth experimentation with proven success improving website conversion rates.

Senior R&D Supply Chain Specialist supports electronic engineering teams in sourcing, procuring, and expediting components for prototype builds. Requires 5+ years of experience in electronics sourcing, component procurement, or engineering supply chain roles. Must have technical comprehension of semiconductors, passive components, PCB fabrication, and the ability to interpret electronic schematics.