Principal Full-Stack Engineer with Frontend Expertise

Join Larian Studios as a DevOps Full Stack Developer in Warsaw! We are looking for a passionate and skilled individual to help us create cutting-edge solutions that enhance our game development and deployment processes. In this role, you will collaborate with cross-functional teams to ensure seamless integration and delivery of our gaming projects.

Join the dynamic team at altersolutions as a Full-Stack Developer. In this role, you will be responsible for designing and implementing robust web applications. You will work closely with cross-functional teams to create streamlined solutions and ensure optimal user experience.

Join psicro as a Full-Stack / Power Platform Developer and be part of a dynamic team that is dedicated to delivering innovative solutions. In this role, you will leverage your expertise in full-stack development and the Microsoft Power Platform to create impactful applications and streamline processes.As a developer at psicro, you will work on exciting projects, collaborating with cross-functional teams to drive success and enhance user experiences. If you are passionate about technology and want to make a difference, we want to hear from you!

Join our dynamic team at Jobs for Humanity as a Mid-Level Full-Stack Developer. In this role, you will play a pivotal role in developing and maintaining web applications that make a difference for job seekers around the world. You will work on both front-end and back-end development, collaborating with cross-functional teams to deliver high-quality software solutions.

Join our dynamic team as a Full-stack Developer, where you will play a pivotal role in integrating the Charge app within the electric vehicle ecosystem for a prestigious German automotive manufacturer. This project focuses on ensuring seamless communication between various Charge Point Operators (CPOs) and end-users, emphasizing real-time synchronization of charging station data (availability, power). Your efforts will contribute to a smooth user experience, from locating a charger to invoicing.

Join our dynamic team at HOS247 LLC as a Senior Full-Stack Developer in a fully remote capacity. We are on the lookout for talented developers who are eager to enhance and innovate our existing suite of products. In this role, you will work closely with our Chief Technology Officer, collaborating on developing and refining solutions that drive our business forward.The ideal candidate will possess a robust background in full-stack development, with a minimum of three years of hands-on experience in Angular 2+ and Node.js.

The Product team at Asana is dedicated to crafting exceptional features from conception to deployment. We focus on creating user-centric experiences by meticulously designing data models and implementing intricate interaction behaviors that set great software apart. Collaborating closely with UI designers and supported by our infrastructure team, our mission is to enchant users through both substantial feature releases and incremental, daily enhancements, made possible by our agile deployment architecture. We are committed to delivering an unparalleled user experience at every level. Asana’s ecosystem encompasses a vast array of powerful applications that expand its functionality, seamlessly integrating into our users’ workflows. These applications establish Asana as the essential collaborative infrastructure utilized by our clients to achieve their goals across various domains and departments. The Functional Integrations team within the Platform Area specializes in connecting Asana with crucial function-specific tools (such as Operations, Marketing, and IT), empowering team experts to effectively share and communicate their work organization-wide. We are in search of passionate full-stack engineers who genuinely care about enhancing customer experiences and are enthusiastic about developing products that transform how millions of teams collaborate. As a vital member of our product-focused team, your role will extend beyond coding; you will participate in the full product development lifecycle, from initial concept to post-launch evaluation. This position is based in our Warsaw office, featuring a hybrid work schedule. Standard in-office days are Monday, Tuesday, and Thursday, with the flexibility to work from home on Wednesdays. Depending on your role and team collaboration, working from home on Fridays may also be an option. Your recruiter will provide further details about the in-office requirements during the interview process.

Role overview Miratech is hiring a Senior Full Stack Developer with strong experience in Java and Angular. This role is based in Warsaw. The team builds and maintains web applications that support a range of technology projects. What you will do Design, develop, and maintain web applications using Java and Angular Focus on performance and user experience throughout the development process Work closely with cross-functional teams to deliver solutions that meet project goals Contribute technical expertise to the success of ongoing and new projects Who thrives here Developers who enjoy solving technical challenges and building reliable applications Team members who collaborate well across disciplines People who value a supportive and forward-thinking workplace

At CreatorIQ, we are revolutionizing the way brands engage with creators, trusted by over 1,300 global brands and agencies. Our mission is to humanize businesses and amplify human impact. We embody our core values: intentionality, excellence, collaboration, and kindness.Recognized as one of the best companies to work for by BuiltIn LA and NY, we have also been named a Fastest-Growing Company in North America by Deloitte Technology Fast 500™ for four consecutive years. Our accolades include being recognized as a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises in 2025, and achieving high ratings from G2 and Influencer MarketingHub.Join us in our flexible work environment that promotes both in-person and remote collaboration, fostering innovation and accommodating diverse work styles.Position OverviewWe are on the lookout for a Senior Full Stack Developer to contribute to our exciting new project, Gifting. This innovative solution allows brands to send products to creators seamlessly, manage fulfillment, and track outcomes, propelling the future of creator commerce.In this high-impact role, you will work across the entire technology stack to design and build scalable systems from scratch. Collaborating closely with product and design teams, you will define the architecture, deliver quickly, and enhance a completely new user experience.Technical StackFrontend: React, TypeScript, JoyUI/MUIBackend: Python (Django), Node.js (TypeScript)Infrastructure: AWS (Lambda, EC2)Key Responsibilities:Lead end-to-end feature development across both frontend and backend (equal contribution)Contribute to the architecture and design of our greenfield product, influencing technical direction from the outsetCreate scalable APIs and services leveraging Django and Node.jsDevelop user-friendly, high-performance interfaces with React and modern component libraries

We are seeking a highly skilled and motivated Senior Full Stack Developer proficient in Python 3 and C++. In this role, you will work closely with our engineering and development teams to design, implement, and maintain robust software solutions that meet our clients' needs.Your expertise will help in driving innovation and developing new features while ensuring the performance, quality, and responsiveness of applications.

Join our dynamic team at Talan as a Senior Full Stack Developer! In this role, you will leverage your expertise in both front-end and back-end technologies to create innovative solutions for our clients. You will collaborate with cross-functional teams to design, develop, and deploy applications that meet business requirements and enhance user experiences.Your proactive approach and commitment to quality will be essential as you tackle complex challenges in a fast-paced environment. If you are passionate about technology and eager to make a significant impact, we want to hear from you!

Creatunity LLC is on the lookout for a talented and experienced technical leader to oversee our team of senior full-stack developers. This pivotal role requires a strong background in full-stack engineering alongside a proven capacity for leadership in developing and launching innovative IT products and applications. The ideal candidate has a history of writing production-quality code, managing delivery processes, mentoring developers, and successfully deploying intricate solutions powered by AI-assisted development tools. Contract Type: Independent Contractor AgreementWhat You'll Do Lead a skilled team of senior full-stack developers while coordinating technical execution across various projects. Develop scalable full-stack features utilizing Next.js, React, TypeScript, Prisma, and PostgreSQL. Employ Cursor IDE and AI coding assistants to enhance development workflows and boost productivity. Architect systems, design database schemas, and fine-tune performance-critical queries. Integrate and manage third-party APIs (e.g., Stripe, Supabase, music platforms, SaaS services). Create advanced admin dashboards, internal tools, and intricate user interfaces. Manage projects from inception to completion — from gathering requirements and system architecture to deployment and optimization. Set best practices for code quality, testing, documentation, and deployment pipelines. Mentor developers, conduct code reviews, and foster engineering excellence throughout the team.

Join our team as a Senior Full Stack Engineer and contribute to cutting-edge projects that push the boundaries of technology. You will work in a collaborative environment, utilizing your expertise in both front-end and back-end development. We're looking for someone who is not only technically proficient but also passionate about delivering high-quality solutions.

Bolt is looking for a Senior Full Stack Engineer in Warsaw to help shape and expand an internal task management platform. This role centers on building systems that support real-time decision-making and optimize workflows for agents. What you will do Develop and enhance features for the internal platform, focusing on dynamic task distribution and intelligent workforce management. Create efficient user interfaces that enable agents to work effectively and access actionable insights. Lead frontend architecture decisions and guide the technical direction of the team. Work across the full technology stack, collaborating with engineers and stakeholders. Role overview This position involves tackling product and engineering challenges, from designing scalable interfaces to implementing systems that streamline internal operations. The Senior Full Stack Engineer will play a key part in both technical leadership and hands-on development.

About Us:Planner 5D serves as a leading global platform for home design, engaging over 100 million users across 230 territories, including two users from Antarctica each month! Our innovative software streamlines the home renovation journey from ideation to execution, making it simpler than ever. You don't need to be a design expert to transform your living or working space. We are committed to enhancing the design experience and making the dream of customizing homes accessible to everyone.Our platform is available across various devices, including Web, iOS, Android, Windows, and MacOS, ensuring seamless synchronization for our users. Planner 5D is not merely software; it is a vibrant community of passionate and product-driven professionals from diverse backgrounds, collaborating across time zones with a common ambition to transform the home design industry.We are continuously on the lookout for talented individuals who are eager to take initiative and drive innovation within our expanding suite of tools. Join us in shaping the future of home design.We seek a skilled Senior Full-Stack Developer to join our web team, focusing on developing new features and enhancing our existing solutions.Our Tech Stack: PHP 8.4, Symfony, PHPUnit, MySQL, Redis, MongoDB, RabbitMQ, Git, Docker for back-end development. For front-end development: native JavaScript, jQuery (legacy code), TypeScript, React, Three.js (OpenGL), Webpack, WebSocket, Jest (unit tests), Docker, SVG.Note: Candidates should be prepared to work as a Contractor under a B2B service agreement.

Internship Overview Saily, part of Nord Security, is looking for an Agentic Product Engineer Intern focused on full-stack development. This role is based in Warsaw and provides direct experience with both front-end and back-end technologies. What You Will Do Work alongside experienced developers on active projects Contribute to building and improving product features Develop skills across the full technology stack What You’ll Gain Hands-on experience in full-stack engineering Exposure to real-world software development practices Mentorship from established professionals in the field This internship is designed for those eager to grow as engineers while making a real impact on Saily’s products.

Role Overview Miratech is looking for a Senior Full Stack Developer with experience in Java and Angular. Based in Warsaw, this role joins an engineering team that delivers solutions for a range of client projects. What You Will Do Work on full stack development tasks using Java and Angular Collaborate with engineers to build and improve client-facing applications Contribute to project planning and technical discussions What We Offer Opportunities to develop technical skills in a team setting Collaborative work environment Projects that support client success

Join our dynamic Product team at Asana, where we create innovative features that enhance the user experience from concept to delivery. Our engineers collaborate closely with UI designers and leverage the support of our infrastructure team to ensure that every detail is crafted to perfection. We pride ourselves on delivering both significant new features and continuous daily enhancements through our agile deployment architecture aimed at delighting our users.Asana boasts an extensive ecosystem of powerful applications designed to seamlessly integrate into our users' workflows. Our Functional Integrations team focuses on connecting Asana with essential function-specific tools (such as Operations, Marketing, and IT), empowering teams to effectively communicate and collaborate across the organization.We are seeking passionate full-stack engineers who are committed to improving the collaborative process for millions of teams worldwide. This role will involve more than just coding; you will play a vital role in the entire product development lifecycle, from initial conception through to post-launch analysis.This position is based in our Warsaw office, following a hybrid work model. Our standard in-office days are Monday, Tuesday, and Thursday, with the flexibility to work from home on Wednesdays. The option to work remotely on Fridays may vary depending on your specific role and team collaboration needs. Your recruiter will provide detailed information about in-office requirements during the interview process.Asana’s employees in Poland are employed under a contract of employment.

What is Box?Box (NYSE: BOX) stands at the forefront of Intelligent Content Management. Our innovative platform empowers organizations to enhance collaboration, oversee the entire content lifecycle, secure vital information, and revolutionize business workflows through enterprise AI. Established in 2005, Box simplifies operations for leading global entities like JLL, Morgan Stanley, and Nationwide. With headquarters in Redwood City, CA, and offices across the United States, Europe, and Asia, we are committed to helping companies thrive in the era of AI.Joining Box offers a unique opportunity to drive our platform's evolution. Content is the backbone of our work processes, encompassing the billions of files and pieces of information exchanged daily—contracts, invoices, employee records, financials, product specifications, marketing assets, and beyond. Our mission is to bring intelligence to content management, empowering our customers to transform workflows comprehensively. With the integration of AI and enterprise content, the potential for changing how organizations collaborate has never been greater, and at Box, you’ll be at the heart of this significant transition.About the Team:As a Lead Full-Stack Engineer on the Content Creation team, you will be a key player in the development of real-time applications within Box. This team is critical as it represents one of the first points of engagement for customers using our platform. Your contributions will shape the future of content generation within Box.The Content Creation team manages Box's Notes and Canvas products, delivering functionality utilized by our largest user groups, extending beyond just administrative users. This team operates as the sole true real-time service at Box, employing web sockets to facilitate real-time editing. It’s a complex area where we excel, making this a fantastic team to join if you want to impact one of Box's most essential products. The team primarily works with Front-End technologies like React.js, while Back-End tasks are predominantly handled with Node.js.Why Box Needs You?We are looking for you to be a transformative force in developing Box's Core Experiences as part of the broader Build organization, prioritizing value delivery alongside high-tech quality standards.