4533 English-speaking jobs in Masovian Voivodeship

Develop and integrate AI-based solutions, optimize models for performance and scalability, and analyze data using Python. Collaborate with engineering teams, data scientists, and product owners to define requirements and implement solutions.

Senior Ruby on Rails Developer needed for a taxi ordering service. Build back-end using Ruby on Rails, AWS, MySQL, PostgreSQL, and RabbitMQ. Develop REST API and integrate with dispatch systems. Requires 4+ years Ruby on Rails experience, relational database knowledge, and REST API skills.

Coordinate data platform work, connecting business needs with engineering teams. Manage requests, translate requirements, and support backlog tracking in Jira.

Manages a department responsible for site activation, setting goals, and directing work. Oversees staff performance, training, and development. Ensures adherence to policies, regulations, and quality standards. Requires a Bachelor's Degree and 3-7 years of relevant experience.

The Centre of New Technologies at the University of Warsaw is seeking a Student for a part-time position in the Laboratory of Chemical Biology. The project focuses on messenger RNA applications in immunoOncology.

Senior Lead Consultant for energy and energy transition projects. Manages and delivers consulting assignments, conducts technical analysis, advises clients on regulatory frameworks, and leads project teams. Requires 10+ years of experience in engineering consultancy, technical advisory, or project management, a relevant degree, and fluency in English.

Prepares and cooks food according to recipes, quality standards, and presentation standards. Maintains food logs and ensures food quality. Communicates with Chef and service staff regarding menu items and assistance needs. Assists with employee training and development.

Experienced Accounting Senior Manager to lead month-end close and reconciliation processes for a rapidly scaling finance team. Responsibilities include executing the month-end close cycle, managing balance sheet account reconciliations, and identifying process improvement opportunities. Requires 7+ years of accounting experience, strong GAAP/IFRS knowledge, and proficiency in Excel.

We are seeking ambitious entrepreneurs to build and scale EdTech startups. You will own and operate your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Design and develop performant code in Rust, solve security, performance, privacy, and networking problems at scale, and contribute to the libtelio open source community.

Lead global sales growth initiatives for semiconductor IP and silicon solutions. Manage strategic accounts, identify opportunities, and drive revenue expansion across USA, EMEA, and APAC.

Senior Software Engineer to build impactful features for the AirHelp+ subscription and mobile app backend. Responsibilities include designing robust solutions, writing clean code, and participating in all stages of the software development lifecycle. Must have 5+ years of experience building production-grade software and proficiency in modern backend stacks.

Leads applications systems analysis and programming activities, developing core components for the Prime Brokerage platform using Java/Kotlin. Provides technical leadership to an agile team, mentoring developers and establishing best practices. Translates business requirements into technical specifications and oversees project documentation. Manages production support, analyzes issue patterns, and leads efforts to improve system performance.

Provides strategic Employment Law advice to internal stakeholders, oversees litigation and pre-litigation matters, and supports transactional matters including outsourcing and acquisitions. Manages external counsel relationships and stays abreast of legal developments.

As a Senior MLOps Engineer on the Product Innovations team, you will focus on Applied MLOps, bridging the gap between data science and production efficiency. You will design and implement annotation workflows, create ground truth and evaluation criteria, and enforce MLOps standards within production pipelines. You will collaborate with the Data Science team to optimize model performance and integrate measurement loops into the infrastructure.

Solution Architect for eCommerce marketplace platform. Designs end-to-end solutions across business, application, data, and infrastructure layers. Translates business goals into pragmatic designs and solution options. Collaborates with product team and business partners to capture requirements and translate them into high-level solution designs. Documents solution architecture and promotes API-first and event-first approaches.

The Accounts Payable Analyst (Center of Excellence) assists with invoice workflow, research, reporting, and variance clearing. Responsibilities include resolving GRNI, vendor reconciliations, and supporting audits. Requires fluency in English and 2+ years of relevant experience.

Lead a critical engineering area, shaping solutions from early stages and ensuring predictable delivery. Partner with Product and Design, drive execution, and maintain high engineering standards. Significant experience leading engineering teams and delivering complex products in a fast-paced environment required.

Head of Finance will manage all aspects of airline finance, including financial reporting, cost control, and internal/external audits.

Sales Development Representative will find leads, set up discovery meetings with Fortune 500 companies, and prepare tailored approaches for C-level executives. Requires proven track record in SaaS or creative agencies, proficiency in English (C1 level), and knowledge of the eCommerce industry.