Junior Full-Stack Product Engineer at Saily | Warsaw

Join Saily, where we simplify connectivity for travelers by eliminating roaming fees and plastic SIM cards, providing secure mobile data at over 200 destinations. With millions of paying customers and countless travelers accessing our services, your contributions will truly matter.We embrace an AI-native Product Engineering culture, where:The Engineer is a b…

Join our dynamic team at Nordsec as a Senior Full Stack Product Engineer. In this role, you will leverage your expertise across the stack to design, develop, and deploy cutting-edge solutions that enhance user experiences and drive business success. You will work collaboratively with cross-functional teams to bring innovative product features to life.

At Samba TV, we redefine the global viewing experience through our innovative data and technology that tracks streaming and broadcast video worldwide. Join us on our mission to revolutionize how audiences connect with media, enhancing the engagement between viewers and advertisers through actionable insights derived from our vast data pools.We invite a passionate Full Stack Software Engineer to join our dynamic core team in Warsaw, Poland. In this pivotal role, you will be responsible for developing and refining our core systems, including those being re-engineered to leverage cutting-edge Large Language Models (LLMs). You will work on intricate, large-scale systems that analyze audio and data signals from hundreds of channels globally and various streaming platforms, enabling effortless extraction of valuable insights.

Join Universe Group, the innovators behind an ambitious AI-first web product in the visual content generation and editing space. As we transition into a phase of rapid scaling, we are on the lookout for a talented Full-Stack Developer to tackle architectural challenges and implement cutting-edge technologies into our product.Your future team includes: CEO, Full Stack Developer, Product Designer, PPC Specialist, Growth Product Manager, Product Manager, Data Analyst.Technology stack you will work with: React.js, Node.js, Nest.js, TypeScript, Redux, PostgreSQL, MongoDB, Redis, AWS, Kubernetes.Why you should join us:Collaborate closely with Ruslan — an experienced CEO with a proven track record. His previous startup, Eventmate, quadrupled its revenue within a year, secured $150K in investments (including from Google), and expanded into international markets including Europe and Brazil.Impact on business development — As a core team member, you will play an essential role in shaping the product while delving into architectural solutions and integrating the latest technologies into a product built from the ground up.A team of like-minded professionals — You will work alongside motivated individuals who support one another. We closely collaborate with technical teams across other businesses within the Universe Group, sharing insights and expertise.Opportunities for professional and career growth. We believe that the success of our business depends on the motivation and potential of each team member, so we continually invest in learning and development. You will also have the chance to advance to the Tech Lead position and contribute to team expansion and mentorship of junior specialists.Your future tasks will include:Defining and developing the product architecture, including technology selection, project structuring, and building scalable infrastructure to support a large number of users.Developing and maintaining...

At Saily, we are revolutionizing the way travelers stay connected—eliminating roaming fees and plastic SIM cards in favor of secure, high-speed mobile data across 200+ destinations worldwide. With millions of paying customers and hundreds of thousands actively engaged at any time, our mission is to enhance the travel experience.To deliver the best products, we cultivate an AI-native Product Engineering culture that empowers our engineers to:Take complete ownership of projects—from initial concept to productionDevelop features without the necessity for exhaustive specificationsCollaborate closely with product managers, designers, data specialists, and fellow engineersWork in small, autonomous teams that prioritize innovationLeverage AI agents for specification, coding, analysis, testing, and iterationAchieve double the output compared to a traditional Senior EngineerEnhance our internal agent network and development processesNavigate across the technology stack as requiredPrioritize user and business outcomes over mere outputCore RequirementsDemonstrated experience in designing, building, and deploying AI-native tools or applications with successful measurable outcomesProficient in developing full-stack features for mobile or web applications (frontend and backend)Strong problem-solving skills and a passion for innovation

Waymo, the leader in autonomous driving technology, is dedicated to becoming the world's most trusted driver. Originating from the Google Self-Driving Car Project in 2009, our focus has been on developing the Waymo Driver—The World’s Most Experienced Driver™. Our mission is to enhance mobility access and significantly reduce traffic-related fatalities. The Waymo Driver currently powers our fully autonomous ride-hail service, having successfully completed over ten million rider-only trips, utilizing its extensive experience from more than 100 million miles driven on public roads and tens of billions of miles in simulation across 15+ states in the U.S.Are you ready to shape the future of transportation with cutting-edge infrastructure for driverless cars?Join our Waymo Simulation team and contribute to the development of groundbreaking systems that will enhance our core simulation capabilities. We are searching for a dedicated Senior Software Engineer who is passionate about creating impactful solutions.

Join Our Team!We are on the lookout for a highly skilled Senior Full Stack Software Engineer to be a pivotal part of our innovative teams in Warsaw. At Bolt, our engineering teams tackle unique product challenges that involve sophisticated algorithms for demand forecasting, real-time pricing optimization, routing logistics, fraud detection, and distributed systems, among others.About UsWith a customer base exceeding 200 million across more than 50 countries, Bolt stands as one of the fastest-growing tech firms in Europe and Africa. This remarkable growth is a testament to the dedication and talent of our team members.We foster an inclusive culture where every individual is valued, regardless of race, color, religion, gender identity, sexual orientation, national origin, age, or disability. Our ultimate aim is to create urban environments that prioritize people over vehicles, and we would love for you to help us realize this vision!

CreatorIQ develops an AI-native operating system that enables creator-led growth for more than 1,300 brands and agencies worldwide. The platform connects businesses with audiences through genuine creator partnerships. CreatorIQ has been recognized by BuiltIn LA and NY as a top workplace and was named a Leader in Influencer Marketing Solutions by The Forrester New Wave™. The company has also received multiple G2 awards, including Best Customer Relationship and Top 100 Fastest-Growing Products. The team values intentionality, excellence, collaboration, and humanity, and offers a flexible work model to accommodate different work styles. Role overview The Senior Full Stack Engineer (Creator Recruit) will join the Creator Tools team in Warsaw. This team is responsible for shaping the creator experience on the platform, including payments, social authentication, e-commerce, and campaign workflows. The role focuses on building scalable features and improving user experiences that directly impact creators who use CreatorIQ’s tools for their work and income. What you will do Design, build, and maintain features across the stack to create a seamless experience for creators Collaborate with product and design teams to deliver solutions that address real user needs Take ownership of projects from initial concept to deployment Contribute to architectural decisions and help define the technical direction of the Creator Tools platform Maintain high standards for code quality and long-term maintainability Requirements Extensive experience with modern frontend frameworks Strong background in backend development Proven ability to collaborate effectively within a team Comfort working in an environment where priorities and projects can change Impact This position offers the opportunity to make a clear difference for creators who depend on the platform to grow their businesses and support their livelihoods. The work will help shape the future of the creator economy.

Join our dynamic team at Capital as a Senior Full Stack Engineer, where you will play a crucial role in developing innovative web applications using React and Node.js. You will be responsible for designing and implementing scalable solutions, collaborating with cross-functional teams, and mentoring junior developers. If you are passionate about technology and eager to make an impact, we want to hear from you!

Location: Poland (Remote/Flexible) About Us: RTB House is a leading global company specializing in advanced marketing technologies tailored for top brands and agencies around the globe. Our innovative ad-buying engine, the first of its kind fully powered by Deep Learning algorithms, empowers advertisers to achieve remarkable results and fulfill their objectives at every stage of the marketing funnel. The Bidding Platform division is at the heart of RTB's operations, handling over 20 million requests per second to engage in real-time auctions and display advertisements to audiences across more than 90 countries. The Ad Display Team, which this position pertains to, is a newly formed group within the Bidding Platform focused on guaranteeing the smooth, high-quality, and reliable display and tracking of advertisements. This is an exciting opportunity for those eager to tackle technically challenging solutions!

Join Complexio, where we are revolutionizing enterprise AI by developing an intelligence layer that automatically connects and enhances understanding of an organization’s personnel, processes, and systems. Our innovative platform processes both structured and unstructured data to create a dynamic Event Knowledge Graph, orchestrating a variety of AI models to discover hidden workflow enhancements and facilitate autonomous actions.As a Senior Full Stack Engineer, you will be at the forefront of shaping the user experience for thousands of enterprise users. Collaborating with a talented team of software engineers, data scientists, product specialists, and business analysts, you will help design next-generation web applications that bring our state-of-the-art automation capabilities to life. Your contributions will be vital in transforming complex data insights into user-friendly, efficient, and scalable interfaces, connecting advanced AI infrastructure with tangible business results.If you have a passion for integrating sophisticated front-end engineering, full-stack product development, and cutting-edge enterprise AI solutions, and thrive in a fast-paced, highly technical environment, we invite you to apply!

About Saily Saily, part of nordsec, helps travelers stay connected without roaming fees or physical SIM cards. Our platform delivers fast, secure mobile data in more than 200 destinations. With millions of paying users and hundreds of thousands online at any moment, we focus on making travel easier and more enjoyable. Our Product Engineering Culture Engineers own the entire product lifecycle, from initial concept through deployment. AI tools support coding and automate repetitive work, so engineers can focus on meaningful problems. Team members regularly suggest, discuss, and implement improvements together. We value curiosity, ongoing learning, and sharing knowledge across the team. Our main goal is to keep the travel experience smooth and stress-free for our users. We put growth ahead of comfort, impact above process, and contribution before hierarchy. Saily provides context, autonomy, and AI-driven tools to help people do their best work. About the Internship This is a 3-month, full-time paid internship based in Warsaw. Trainee Engineers work with experienced team members from day one, tackling real product challenges and building practical skills. Guidance is available, but interns are encouraged to take ownership and grow into their responsibilities. We use AI as a standard part of our workflow and emphasize strong engineering habits from the start. Outstanding interns may receive an offer for a full-time position at the end of the program. Who We’re Looking For Clear thinkers who learn quickly and take responsibility for their work Curious, self-disciplined individuals ready to contribute in a collaborative setting People eager for hands-on experience with real products, not just theoretical tasks If this sounds like the right fit, apply now to join the Saily team in Warsaw.

Join our award-winning AI marketing SaaS company as a Senior Full Stack Engineer and play a crucial role in developing innovative solutions that drive our client’s success. In this position, you will collaborate with cross-functional teams to build scalable applications and enhance our platform's capabilities.Your expertise will guide the design and implementation of front-end and back-end components, ensuring a seamless user experience while optimizing performance and maintainability. This role is perfect for someone who thrives in a dynamic environment and is passionate about technology.

Join our vibrant team at Capital, a premier trading platform that is ambitiously expanding its reach globally. Recognized for our award-winning products, we pride ourselves on leveraging cutting-edge technology to provide an unparalleled client experience. We are constantly seeking exceptional talent to help us maintain our high standards of quality.We are currently on the lookout for a skilled QA Engineer with a strong background in both manual and automated testing. If you thrive in a fast-paced environment and enjoy collaborative teamwork, we invite you to contribute to the excellence of Capital.com’s trading platform.

At Tenstorrent, we are at the forefront of transforming the AI landscape, enhancing performance, usability, and cost-effectiveness. As AI reshapes the computing world, our solutions adapt to integrate advancements in software models, compilers, platforms, networking, and semiconductors. Our talented team of technologists has crafted a high-performance RISC-V CPU from the ground up, driven by a shared enthusiasm for AI and an unwavering commitment to creating the premier AI platform. We cherish collaboration, curiosity, and the challenge of tackling complex problems. Join us as we expand our team, welcoming talents of all experience levels.Our AI Software Infrastructure team develops the foundational platforms that facilitate internal development, orchestrate workloads, and manage extensive AI hardware across on-premises data centers. This team is responsible for creating and deploying infrastructure utilized both internally and externally on Tenstorrent systems.This position is hybrid, with options to work from Toronto, ON; Santa Clara, CA; Austin, TX; Belgrade, Serbia; or Warsaw, Poland.We encourage applicants from diverse experience backgrounds for this role. Candidates will be evaluated during the interview process for the appropriate level, and offers will be adjusted accordingly, which may differ from the current posting.

Altersolutions is seeking a Senior Platform Engineer (Developer Experience) to lead the establishment and standardization of engineering practices, enhance developer workflows, and define standards for CI/CD and collaboration. This role melds hands-on DevOps expertise with a strong focus on clarity, comprehensive documentation, and effective process design.The primary objective is to boost the efficiency, consistency, and scalability of our engineering organization. In this capacity, you will collaborate closely with engineering leads, product managers, and other key stakeholders to ensure our operational methods are thoroughly documented, clear, and actionable.Key ResponsibilitiesDesign, document, and maintain comprehensive software development processes, encompassing coding standards, branching strategies, testing protocols, release management, and deployment workflows.Engage with engineering managers, team leads, and product teams to gather insights and best practices, facilitating the seamless adoption of tools and methodologies.Convert intricate technical workflows into clear, concise documentation and visual aids (such as flowcharts, process maps, checklists, and templates) to enhance understanding.Assess and implement tools aimed at improving developer experiences (e.g., feature flagging, local development environments, code quality tools).Oversee a central documentation repository (e.g., Confluence, Notion, or Git-based systems), ensuring that all documentation remains current and version-controlled.

At JetBrains, we are passionate about code. Since our inception in 2000, our mission has been to develop the most powerful and effective developer tools available. By automating routine checks and corrections, we accelerate production, empowering developers to innovate and create.About the InitiativeJetBrains is transitioning from standalone developer tools to a cohesive, AI-native platform for software development.AI is evolving from a mere editor assistant to an integral participant in the planning, building, reviewing, and operation of software across teams and organizations. This transformation brings forth challenges that go beyond individual tools, including governance, security, cost management, observability, and coordination between human and autonomous agents.Our aim is to establish a platform that facilitates the structured, scalable, and economically efficient adoption of AI in software development—without confining companies to closed ecosystems.We are constructing the foundation that integrates developer workflows, team collaboration, and organizational control into a cohesive system.This platform will function as the execution and governance layer for AI-driven development, seamlessly integrated with developer tools while designed for cross-team, product, and environment functionality.This initiative represents a long-term strategic investment for JetBrains and is a crucial element of our vision for the future of software development. The RoleWe are seeking a Developer Experience Lead to spearhead significant enhancements to the development experience within the JetBrains Cloud Platform (JCP).This position focuses on optimizing the productivity of JCP engineers by refining build systems, CI/CD pipelines, local development workflows, tooling infrastructure, and AI pipelines. You will be responsible for the developer experience from start to finish—covering local development, testing, CI processes, and production deployment. As this platform is rapidly evolving, many workflows and processes are still being refined. You will define what a superior development experience entails and guide the organization towards achieving it. As part of the team, your responsibilities will include:Leading and executing the strategy for developer experience enhancements across the entire JCP platform.Optimizing build systems (including Gradle, Nx, and others) for quicker builds, improved caching, and reliable scalability.Establishing AI development pipelines, managing context, agents, and transitions, and...

As a trailblazer in online flash sales since 2001, Veepee stands as a cornerstone in the European e-commerce landscape, partnering with over 7,000 brands to deliver exceptional deals on a wide array of products for a limited time. With a remarkable turnover of 3.3 billion euros incl. VAT in 2024, Veepee boasts a dynamic workforce of 5,000 employees across 10 countries, operating in sectors such as fashion, home, wine, travel, and beauty. JOB DESCRIPTIONWe are excited to invite an experienced Backend/Full Stack Developer to join our innovative Logistics Tooling team at VeepeeTech. This pivotal role involves developing cutting-edge solutions that enhance warehouse operations and optimize the Veepee return process, ensuring an efficient and seamless experience for our customers.

Join Point72 as a Platform DevOps Intern in Warsaw for the summer of 2026, where you will have the unique opportunity to engage with cutting-edge technologies and contribute to our market intelligence initiatives. In this role, you will collaborate with experienced professionals to develop and optimize our platforms, ensuring they operate efficiently and effectively. This internship is designed to give you hands-on experience in a dynamic environment, allowing you to grow your technical skills and understanding of DevOps methodologies.

Join our dynamic AI team as a Technology / Platform Architect. This pivotal role blends technology strategy with hands-on architectural guidance, focusing on event-driven architectures, roadmap development, and technology adoption.Key Responsibilities:Define the strategic direction for leveraging technology and architectural components across engineering teams.Develop and maintain a comprehensive Technology Adoption Roadmap, converting high-level strategies and customer requirements into actionable initiatives.Provide insights and feedback to enhance technology adoption, platform functionalities, and product features.Support Pod Leads and Managers in building roadmaps, creating actionable plans, and breaking projects into manageable tasks.