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A global marketing technology firm in Warsaw is seeking a Senior Software Engineer to design and optimize high-performance backend systems for real-time bidding and machine learning. Candidates should have strong programming skills, experience in developing complex IT systems, and the ability to work within teams. The role offers a highly competitive salary...

Bratte is building Animates, an AI companion app that remembers you and reacts in real time using local animation tech. Our 27-person team has a dedicated backend focus, serving real traffic today and shaping the next version with founders.You’ll own production backend, scale real-time systems, and help design APIs and memory data layers. You will work...

Cosmose AI is seeking a strong Mid or Senior Java Engineer to scale the backend of our KaiKai Lock Screen and CMS, processing content for millions of users daily. You will design and maintain backend services, build scalable data pipelines, and collaborate with Product, Content, and Data teams to deliver meaningful features.We value ownership, proactive...

CloudVision is Arista’s enterprise network management and streaming telemetry SaaS offering, serving the world’s largest Financials, Media and Entertainment, Health Care, and Cloud companies. As we continue to scale the service and expand into new markets, we’re looking to grow the team with Software Engineers in our Dublin office.Here’s what our...

A technology company specializing in HVAC solutions is looking for a Senior Backend Engineer to design and build high-scale, cloud-native backend systems. The role includes taking end-to-end ownership of services, driving architectural decisions, and mentoring engineers. Candidates should have 4-6 years of experience in backend systems, strong programming...

Box Poland ищет опытного backend-разработчика для работы над Notes и Canvas, включая создание и поддержку API и распределённых сервисов.Требуется 6+ лет опыта, сильные навыки Node.js/TypeScript, проектирование API и...

Bamboo Health, Inc. is seeking a driven Software Engineer for a remote-first role. You will design, code, and support applications that monitor healthcare workflows and support real-time care intelligence.You will have the opportunity to work with high-volume applications relied on by large health systems and retailers nationwide. Join a distributed team and...

Fuse Energy is hiring a Senior/Lead Backend Engineer to build the core digital infrastructure for a next-generation energy company. This is a remote role. You will work closely with product across the full back-end and engineer backend systems that are second to none.The role requires demonstrable excellence as a software engineer with hands-on experience...

Matrix Eastern Europe, the offshore division of Matrix IT, seeks a Senior Java Developer Engineer for its Escalation Team. This group handles top-priority issues and urgent production fixes where speed and quality matter.You will own critical fixes, work in a fast-paced Kanban environment, and collaborate across Product, Support, and R&D to deliver rapid,...

LeoLabs, Inc. is seeking a Radar Software Engineer to join our Radar Systems group. You will develop and maintain software for our phased array radars, deploy infrastructure, and enhance testing and observability tools to ensure robust real-time performance.Work spans across software, infrastructure, and operations, with emphasis on Python services, CI/CD...

Blackwall is seeking a Machine Learning Engineer to join their team in Poland, focusing on AI-driven security initiatives. This role involves developing ML models to enhance web security and requires strong Python skills along with a solid understanding of ML frameworks. The position is remote within Europe, and applicants must have the legal right to work...

instinctools is seeking a Senior iOS Engineer for a client in mobility and urban services. You will design and build geo-enabled iOS features, including real-time location tracking, pickup/drop-off flows, and map integrations in a microservices context.Join a product delivery team and collaborate with backend, QA, and analytics to deliver robust, scalable...

Banank is seeking an experienced Lead Data Engineer to define the architecture and lead the development of our next-generation real-time data platform powering backend services, BI, regulatory reporting, and AI-driven analytics within our digital banking ecosystem.You will own enterprise data architecture, ensuring data is consistent, discoverable, and...

Team Up is seeking a hands-on Full-Stack Engineer to own a real-time player engagement platform end-to-end. You will deliver across the stack, from frontend to backend and real-time integrations, in a small, fast-moving distributed team with the CEO owning the product vision.This is a builder role focused on shipping, product thinking, and strong English...

Alarm.com is seeking a Software Engineer II to join our Krakow mobile team, building the Android app used by millions. You will develop features, handle real-time video streaming, and integrate with backend services across the project lifecycle.The ideal candidate has 2+ years of Android development, strong Kotlin skills, MVVM/MVI/MVP, REST APIs,...

Bamboo Health is a leader in Real-Time Care Intelligence™ and is seeking a driven Software Engineer to design, build, and support web applications that monitor regulated product sales for health systems and retailers. This remote-first opportunity offers the chance to impact real-world care.You will work with a distributed team, translate healthcare...

Bamboo Health is a leader in Real-Time Care Intelligence solutions serving health systems and retailers. We seek a driven Software Engineer to design, build, and maintain web applications that monitor regulated product sales, with a remote-first team.You will collaborate with product and security teams, implement scalable architectures, and explore...

Our client is building an AI-native personal assistant designed to help users manage conversations, tasks, and everyday workflows with minimal prompting. As an Android Software Engineer, you'll play a key role in shaping the mobile experience, building a production Android application where AI is at the core of the product. You will work on the backend layer...

Catena is hiring an AI/ML Engineer to advance the intelligence of the fleet telematics platform. You will build and scale ML pipelines for time-series data, geospatial tracking, and predictive analytics, collaborating with backend engineers and product teams.You will deploy models, optimize latency, and work with AWS, Docker, and modern ML tooling. The role...

About ActAI There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal prompting. Our...