EER Poland

Manage and optimize DataOps and Data Warehouse processes, share DBA duties for Vertica clusters, develop data pipelines, and handle production incidents. | 3+ years writing complex SQL and Python data processes, experience with large-scale databases, strong analytical skills, and ability to work independently with excellent English. | Location: Ukraine&Poland About: My client created leading mobile marketing and audience platform. They empower the mobile app ecosystem by simplifying mobile marketing, audience building, and mobile monetization. Through direct integration with over 500,000 monthly active apps, they provide access to unparalleled levels of global first-party data, enabling businesses to understand and predict behaviors, identify new opportunities, and fuel growth. The Role: We are seeking a Data Engineer & DBA to join DataOps team. This role combines database administration, data engineering, and process optimization in a high-volume environment. Responsibilities: • Manage DataOps and Data Warehouse (DWH) processes, including design, development, testing, monitoring, and optimization of data pipelines and aggregations. • Share DBA responsibilities for two large and complex Vertica clusters, including monitoring, troubleshooting performance issues, and optimizing queries. • Work closely with business, data, product, and tech teams to translate requirements into technical solutions. • Coding in Python, SQL, and light Bash scripting for Linux environments. • Orchestrate workflows using Jenkins and Airflow. • Share on-call duties to handle production incidents, including night/weekend coverage as needed. Requirements: • 3+ years experience writing complex SQL queries. • 3+ years experience developing data processes in Python. • Relevant degree or studies in Information Systems, Industrial Engineering, or related field. • Strong analytical and problem-solving skills; ability to translate business needs into technical solutions. • Experience with large-scale databases (Vertica preferred, but Redshift, Snowflake, BigQuery, MS SQL, MySQL acceptable). • Self-learner, responsible, independent, and able to work without micromanagement. • Excellent English communication skills Preferred Experience: • Database performance optimization, monitoring, and troubleshooting in high-volume environments. • Experience managing multiple processes (200+), with billions of data records across cloud and on-prem systems. • Ability to balance DBA and Data Engineering tasks effectively. Benefits: • Competitive salary: $7,000–$7,500/month (up to $8,000 for an ideal candidate). • Flexible 100% remote work. • Opportunity to work in a collaborative, independent, and technically challenging environment. Interested? Apply!

Build and deliver pixel-perfect React Native mobile fintech features with secure serverless AWS backends and real-time blockchain payment integrations. | 10+ years engineering experience with 5+ years in mobile fintech apps, mastery of React Native + Expo, full stack TypeScript skills, secure authentication knowledge, blockchain payment familiarity, real-time networking expertise, and AI tooling experience. | What You’ll Do: • Build production-ready, pixel-perfect UI in React Native + Expo using Tamagui and Style Dictionary • Own and deliver core neobank features: wallets, payments, transaction histories, onboarding, notifications • Develop and maintain scalable serverless APIs with AWS Lambda, API Gateway, DynamoDB, Kinesis, EventBridge • Integrate stablecoin and blockchain payment flows with a focus on security and compliance • Implement real-time features using WebSockets and SSE, including AI-driven chat and streaming UX • Optimize for performance (Hermes, Reanimated, FlashList) and observability (Sentry, Better Stack) • Collaborate with design teams using Figma → tokens → Tamagui workflows • Actively leverage AI development tools (Claude, Cursor, MCP integrations) to accelerate coding, testing, and prototyping • Contribute to our AI-assisted engineering culture, exploring and integrating new tools to increase velocity • Mentor teammates and help define engineering standards for AI + fintech development 🎯 What We’re Looking For: • 10+ years of engineering experience, including 5+ years in mobile fintech apps • Proven ability to deliver secure, complex financial applications with beautiful UI • Mastery of React Native + Expo and a strong eye for pixel-perfect UX • Full stack proficiency in TypeScript, including serverless AWS backends • Experience with secure authentication (Cognito, JWT, device secrets) and financial-grade data handling • Familiarity with stablecoins, blockchain transactions, or payments APIs • Strong understanding of real-time networking (WebSockets, SSE) • Comfortable using AI tooling in daily development — ideally already working with Claude, Cursor, or AI-assisted IDEs • Passionate about pushing the frontier of AI-driven software development 🌟 Why Join Us: • Build a world-class whitelabel neobank with AI at its core • Work in a modern TypeScript stack across frontend and backend • Help shape the future of AI-assisted engineering — we’re not just using AI, we’re pioneering how it’s done • Solve hard problems in fintech UX, payments, real-time systems, and blockchain • Join a remote-first, senior team where ownership, polish, and innovation come first

Develop and deploy fullstack features for an AI-powered commercial real estate platform, collaborating with cross-functional teams to deliver user-friendly solutions. | 5+ years React and Node.js experience, 3+ years end-to-end product development, experience with GraphQL, MongoDB, Redis, and working with product and design teams. | Are you an experienced Fullstack Developer looking to work on cutting-edge AI-driven solutions in the Commercial Real Estate (CRE) industry? Join a fast-growing tech company that is transforming building operations through smart automation and data-driven insights. About the Company Our client is an AI-powered platform designed to help property management teams enhance building operations, streamline workflows, and improve tenant experiences. Their solution is already making an impact in the US and Israeli markets, empowering non-technical users with a seamless and efficient building management experience. Position Details • Title: Fullstack Developer • Work Type: Remote • Contract Type: B2B (via Deel) • Preferred Location: Poland/Romania/Bulgaria/Lithuania/Czech Repubic/Slovakia • Working Hours: Standard office hours • Start Date: ASAP Must-Have Skills • 5+ years of experience with React • 5+ years of experience with Node.js • 3+ years of experience in end-to-end product feature development (planning, execution, testing, deployment) • Experience with GraphQL, MongoDB, Redis • Strong understanding of product development for non-technical end users • Experience working with cross-functional teams (product managers, designers, customer experience teams) Nice-to-Have Skills • Experience with AWS • Strong focus on user experience and product design Team & Work Environment • The product team consists of 12 engineers, primarily fullstack developers • Engineers take full ownership, handling both development and deployment (no dedicated QA or DevOps) If you are passionate about building intuitive and scalable software, enjoy working in a collaborative environment, and want to contribute to an AI-powered real estate platform, we encourage you to apply.

You will research, design, and implement Linux kernel drivers and OS features, ensuring compliance with security best practices. Additionally, you will conduct threat modeling, penetration testing, and vulnerability assessments for Linux-based embedded systems. | The position requires 5+ years of experience in Embedded Linux Development and a deep understanding of Linux Kernel internals with a focus on security. Familiarity with standard security debugging tools and Linux cryptography tools is also essential. | We are looking for an experienced Linux Kernel & Security Developer to design and implement secure embedded software solutions. This is an exciting opportunity to work with highly talented engineers and contribute to cutting-edge security innovations in automotive technologies What will your job look like? You will research, design, and implement Linux kernel drivers and OS features, ensuring compliance with security best practices. Maintain and enhance existing kernel components while mitigating potential vulnerabilities. Integrate embedded software solutions in our automotive platforms, including HW bring-up, debugging, and unit testing. Conduct threat modeling, penetration testing, and vulnerability assessments for Linux-based embedded systems. Optimize memory management, I/O, networking, and storage security within the Linux kernel. All you need is: 5+ years of experience in Embedded Linux Development. Deep understanding of Linux Kernel internals (Memory Management, I/O, Storage, Networking) with a focus on security. Strong experience in Linux Kernel Driver Model & Development. Experience in HW/SW integration, debugging, and security analysis. Familiarity with standard security debugging tools (e.g., GDB, strace, ftrace) and penetration testing frameworks. Understanding of Linux cryptography tools (KCAPI, mbedTLS, etc) and automotive cybersecurity standards.