Senior Frontend Engineer at ClickUp | Poland

At ClickUp, we are not merely developing software; we are revolutionizing the future of work! In a landscape cluttered with work sprawl, we envisioned a more efficient approach. This vision led to the creation of the first truly unified AI workspace, seamlessly integrating tasks, documents, chat, calendar, and enterprise search, all powered by context-driven AI. Our platform empowers millions of teams to overcome silos, reclaim their time, and boost productivity. Joining ClickUp means you will not only learn and utilize AI but also help shape our product and the future of work itself. Become a part of our dynamic and innovative team that is redefining the boundaries of possibility! Collaboration and teamwork are essential to ClickUp's operations. A significant part of your role will involve close collaboration with our backend and integrations teams to develop features together. As an engineer at ClickUp, you will also be accountable for the quality of your code, working alongside a QA counterpart to ensure comprehensive testing of all edge cases. Given our rapid scaling, we are seeking individuals who resonate with our core values, are results-driven, and contribute to our vibrant culture. Proficiency in one or more modern JavaScript frameworks (Angular, Vue, etc.) and a solid understanding of building reusable components while optimizing performance are required.Key Responsibilities:Develop features using Angular 2+ in collaboration with designers, engineers, and product teams.Design efficient and reusable front-end code to enhance the ClickUp user experience.Manage project priorities, deadlines, and deliverables effectively.Identify and address performance and scalability challenges.Create and uphold unit and integration tests.Quickly resolve bugs and implement robust solutions for complex problems.Adhere to established practices for maintaining application state within ClickUp.Required Qualifications:A minimum of 5 years of experience with JavaScript and at least one modern framework (Angular 2+ is mandatory).Familiarity with Redux-style state management, NgRx, TypeScript, and RxJS.Proficient in HTML/CSS, including layout, specificity, cross-browser compatibility, and accessibility principles.Self-motivated, operationally-focused, and a strong problem-solver.Exceptional interpersonal, written, and verbal communication skills.

At ClickUp, we’re not just creating software; we’re pioneering the future of work! In an era burdened by work fragmentation, we discovered a superior approach. That’s why we've developed the first truly unified AI workspace, integrating tasks, documents, chat, calendar, and enterprise search, all powered by context-driven AI. Our platform empowers millions of teams to escape silos, reclaim their time, and achieve unprecedented productivity levels. Joining ClickUp means you'll have the chance to learn, utilize, and innovate with AI in ways that will not only shape our product but also redefine the future of work itself. Become a part of an audacious, trailblazing team that's reshaping possibilities! Collaboration and partnership are crucial to ClickUp’s operations. A key aspect of your role will involve closely working with members of both the backend and integrations teams to collaboratively develop features. At ClickUp, engineers take ownership of their code quality, partnering with QA to ensure comprehensive testing of all edge cases. As we scale rapidly, we are on the lookout for team members who resonate with our core values, possess a strong results-driven mindset, and contribute positively to our dynamic culture. You should be adept in one or more modern JavaScript frameworks (Angular 2+, Vue, etc.) and have a solid grasp of creating reusable components with a focus on performance.The Role:Develop features using Angular 2+ in collaboration with designers, engineers, and product managers.Design efficient and reusable front-end code to enhance the ClickUp user experience.Manage individual project priorities, deadlines, and deliverables effectively.Identify and address performance and scalability challenges.Create and maintain unit and integration tests.Quickly resolve bugs and devise robust solutions for complex issues.Adhere to established practices for state management within ClickUp.Qualifications:8+ years of experience working with JavaScript and modern frameworks, with a strong requirement for Angular 2+.Proficient in Redux-style state management, NgRx, TypeScript, and RxJS.Solid understanding of HTML/CSS principles, including layout, specificity, cross-browser compatibility, and accessibility.A proactive self-starter with a focus on operational excellence and problem-solving.Exceptional communication skills, both written and verbal.

At ClickUp, we are not merely developing software; we are revolutionizing the future of work! In a landscape cluttered with work sprawl, we envisioned a better approach. This vision led to the creation of the first genuinely converged AI workspace, integrating tasks, documents, chat, calendar, and enterprise search, all enhanced by context-driven AI. Our platform empowers millions of teams to break free from silos, reclaim their time, and achieve unprecedented levels of productivity. Joining ClickUp means you will have the chance to learn, apply, and innovate with AI in ways that will shape not only our product but the future of work itself. Become part of our audacious, pioneering team that is redefining possibilities! We are in search of motivated and creative software engineers who possess a strong interest in site reliability engineering (SRE) to help us make ClickUp the "one app to rule them all". As an SRE at ClickUp, your main responsibility will be to enhance the stability, availability, and reliability of our globally distributed, cloud-based infrastructure that supports thousands of users daily. If you are a standout engineer with an entrepreneurial spirit and a rapid-paced mindset, ready to take ownership and tackle some of the most intricate challenges, we would love to connect with you!

Join our dynamic team as a Frontend Engineer specializing in React, where you will play a pivotal role in developing and enhancing a scalable, high-performance SaaS frontend. Your focus will be on creating rich, engaging UI/UX experiences, including mobile web applications.

Join Fairmarkit as a Senior Frontend Engineer and be a key player in revolutionizing the procurement process. You will design and implement user-centric web applications that elevate the user experience. Collaborate with cross-functional teams to create scalable and maintainable solutions while ensuring high performance and responsiveness.

Join HelloFresh in the vibrant city of Warsaw as part of our HelloTech team, a pivotal technology hub comprising over 1000 professionals dedicated to developing the digital products that enhance our comprehensive food experience. From meal kits to gourmet offerings, HelloTech designs the platforms that deliver tailored food solutions to millions of customers each month. Our direct-to-consumer subscription model is intricately linked to technology, influencing every aspect from user-friendly applications and personalized services to pricing, forecasting, and advanced supply chain management, with a commitment to minimizing food waste. While our brands cater to diverse customer needs, they are interconnected through shared platforms, data, and operational excellence powered by HelloTech. HelloTech operates through autonomous, cross-functional teams, each managing specific products or domains comprehensively. By collaborating with our Warsaw office, you will contribute to the development of scalable, data-driven products that enhance how customers discover, order, and enjoy HelloFresh’s offerings, both now and in the future. About the Role: What's Inside the Box This position requires providing high-level technical expertise within the Activation Mealkits project group. The focus is on enhancing the end-to-end activation journey for various meal kit brands, covering the technical flow from landing pages to checkout. This high-impact project encourages innovation through experimentation, where your technical decisions will directly impact conversion rates and revenue generation. Your role will involve supporting a dynamic and adaptable setup utilized across multiple markets and languages. The technical scope includes not only classic frontend engineering with React and TypeScript but also collaboration across experimentation frameworks, CMS integrations, caching systems, and selected backend services. This is a unique opportunity to influence systems that serve millions of users in 16 different countries. What You’ll Do: The Recipe Technical Architecture: Define the technical framework and engineering standards for landing pages, funnel stages, and checkout experiences using React, TypeScript, and contemporary technologies. Cross-Functional Coordination: Lead complex technical initiatives from inception to rollout, coordinating efforts across frontend, CMS, experimentation, and backend layers. System Evolution: Develop and enhance systems that facilitate experimentation.

About FreshaFresha stands as the premier marketplace platform for beauty and wellness, embraced by millions of consumers and businesses around the globe. With over 130,000 businesses and 450,000 stylists leveraging our services, we have successfully processed more than one billion appointments to date.Headquartered in London, UK, Fresha operates 15 global offices spanning North America, EMEA, and APAC.Our platform empowers consumers to discover, book, and pay for beauty and wellness appointments with local providers. Simultaneously, businesses and professionals in the beauty and wellness sector utilize our all-in-one platform to streamline their operations through an intuitive software suite and innovative financial technology solutions.Fresha’s ecosystem equips merchants with everything necessary for seamless business operations, including appointment scheduling, point-of-sale systems, customer record management, marketing automation, loyalty programs, inventory management, and team oversight.Our consumer marketplace amplifies revenue opportunities for partner businesses by harnessing the power of online booking and automated marketing via mobile applications and advanced integrations with major technology platforms such as Instagram, Facebook, and Google.Role OverviewAt Fresha, we view AI as a catalyst for enhancing feature delivery rather than merely a coding assistant. We equip every engineer with state-of-the-art tools (Claude, GitHub Copilot, Cursor) to minimize technical toil, allowing you to concentrate on delivering impactful product features. We value engineers adept at utilizing these tools to generate momentum within our six-week cycles, expediting the transition from concept to code while ensuring robust technical judgment to verify, secure, and take ownership of the final user experience.In light of our ambitious growth trajectory, we are seeking an exceptional Senior Frontend Engineer to join our global team.You will report directly to the Team Lead and collaborate within a cross-functional product team, taking responsibility for designing and developing applications while coordinating with other team members working on different aspects of our projects.

Join trimetis as we embark on an exciting journey to completely transform the internal application of one of Europe’s leading transport services companies. With a focus on innovation, we are reimagining their customer care tool, a web application that enhances operational efficiency and user experience. Collaborating across diverse teams, we aim to revolutionize the client's business from the inside out.Industry: Payment Solutions, ElectromobilityProduct: Customer Care Tool (Web Application)Project Methodology: AgileContract Type: B2B or Employment ContractWork Arrangement: Full-time, 100% Remote from PolandStart Date: February/March 2026

Join Netguru, a leader in the digital commerce landscape, as we partner with renowned brands to elevate their B2B solutions, marketplaces, and retail ecosystems. Since our inception in 2008, we have empowered businesses with state-of-the-art technology, AI-driven personalization, and top-notch engineering and design teams. As a certified B Corporation®, we take pride in our collaborations with major brands such as IKEA, VW, OLX, Delivery Hero, Żabka, Wolt, Careem, and Vinted.How does freelancing work at Netguru?As a freelancer at Netguru, you have the flexibility to choose your working hours, location, and project tasks. We align your skills with suitable projects, providing you access to diverse opportunities across various industries. This not only enhances your experience but also allows you to broaden your skill set.Moreover, Netguru freelancers can engage in full-time collaborations, truly becoming integral members of our team. Are you ready to make a significant impact? Join us, and let’s create stunning software together.Currently, we are seeking a Senior Frontend Developer to join our team.

Join Fairmarkit as a Senior Software Engineer, where you will be instrumental in developing innovative software solutions that drive efficiency and improvement across our platform. You'll collaborate with cross-functional teams to design, develop, and implement new features, ensuring high performance and responsiveness. If you are passionate about technology and eager to tackle complex challenges, we would love to hear from you!

Role Overview Housecall Pro is seeking a Senior Staff Engineer based in Poland. This role involves guiding the direction of our software solutions and supporting the growth of our engineering team. Senior Staff Engineers at Housecall Pro help set technical vision, drive complex projects, and share knowledge across the organization. What You Will Do Lead major engineering projects from concept to delivery Mentor and support junior engineers, sharing technical expertise and feedback Work closely with peers to improve our products and processes Contribute ideas that strengthen our technology and bring value to customers Location This position is based in Poland.

Role overview SmartRecruiters seeks a Senior Frontend Engineer in Kraków to focus on the Design System and Frontend Platform. The role centers on building web applications that are both scalable and maintainable. Close collaboration with designers and product teams is essential to continually improve user experience across the platform. What you will do Develop and maintain the company design system and core frontend platform. Work with designers and product stakeholders to deliver a consistent, accessible user interface. Create solutions that follow established design principles and standards. Integrate frontend components with backend services by partnering with backend teams. Take part in shaping the future of frontend architecture at SmartRecruiters. Location This position is based in Kraków.

Fraud Warning: Beware of potential scams posing as legitimate job opportunities. To ensure your application is considered, please apply only through the official Sensor Tower website or directly through our authorized profiles on platforms like LinkedIn, Indeed, BuiltIn, or Hackajob. Sensor Tower will never request payment, credit card, or bank account information during the application process. All official communications will originate from email addresses ending in sensortower.com. Interviews will be conducted via phone or Zoom, and no conversations will shift to external email or text platforms. If you encounter any issues, please reach out to us. Remember to attach your resume when applying.Recruitment Agencies: Sensor Tower does not accept unsolicited resumes from third-party agencies. Please refrain from sending resumes to our job alias, employees, or any other location. Sensor Tower will not cover fees related to unsolicited resumes and will not compensate agencies without a signed agreement.About This Role:Are you excited by the dynamic environment of a startup?Do you have a passion for developing high-impact, rapidly deployed products?Are you committed to mentoring emerging engineers and championing technical excellence?Join us in revolutionizing how insights are derived in digital marketing!Apply today!Role Summary:As a Mid / Senior Frontend Engineer at Sensor Tower, you will play a crucial role in developing top-notch products and features that enhance our user experience. Our flat organizational structure allows for your input to significantly influence product design and development.

About Sezzle: At Sezzle, we are dedicated to empowering the next generation financially. Our innovative approach is redefining the shopping experience by combining state-of-the-art technology with flexible, interest-free installment plans, making shopping more intelligent and accessible. We are not only changing the payment landscape but are also transforming how customers discover, engage with, and acquire their favorite products, significantly boosting merchant sales through enhanced conversions and elevated order values. Join us in shaping the future of fintech and retail as we build a forward-thinking team that is passionate about creating a unique shopping experience rather than just a transaction. If you are eager to break new ground in technology and provide a transformative experience for both consumers and merchants, we invite you to be part of Sezzle's journey in revolutionizing shopping! About the Role: We are on the lookout for a highly skilled and driven Senior Software Engineer who embodies both intelligence and emotional insight. This role offers an exhilarating chance to excel in a fast-paced environment within a rapidly expanding team, with extensive opportunities for career progression.As a Senior Software Engineer at Sezzle, you will collaborate with a motivated team to solve engaging and complex challenges across various organizational domains. Your expertise will not only propel your own growth but also elevate the skills of your colleagues. In this backend-centric position, you will closely interact with stakeholders from Product, Support, and the broader business. Additionally, you will collaborate with other engineering teams to deliver high-quality, scalable, and innovative solutions that address both internal and customer challenges. Daily tasks will include designing, developing, and deploying new features, as well as mentoring and unblocking your teammates. Your contributions will have a profound impact on the daily operations of your peers at Sezzle, enhancing their capacity to support our business and customers, while also allowing for iterative feedback and improvement. Interview Process At Sezzle, we prioritize transparency. We regularly provide feedback and set expectations throughout our interview process, as we believe this is essential to our culture. Progression through each stage is not guaranteed.

About GliaGlia stands at the forefront of AI-driven customer service solutions tailored for banks and credit unions. Our innovative platform seamlessly integrates AI with human customer service representatives across all voice and digital interactions, thanks to our unique ChannelLess® Architecture. With our AI for All™ initiative, businesses can enhance efficiency without compromising customer experience by leveraging AI to automate conversations and streamline service operations.Valued at over $1 billion, Glia has earned recognition as a Deloitte Technology Fast 500™ company for five consecutive years, empowering over 700 financial institutions while boasting an impressive NPS score of 72. We are also proud to be certified as a Great Place to Work, with an astounding 98% employee satisfaction rate.Your RoleAs a Senior Software Engineer, you will become a vital member of the Media Essentials team (codename Ether). Your mission will be to develop exceptional rich media solutions that facilitate profound interactions for Glia’s clientele. You will significantly influence the successful realization of our ambitious Voice+AI roadmap.Team DynamicsThis position is designed to accommodate hybrid or remote work styles, although we highly value face-to-face interactions. For team members based in Estonia, working from the office is strongly encouraged. Additionally, we gather our engineering teams with remote members at least twice a year to foster collaboration, innovation, and relationship building. Travel for these gatherings may be required, which could also include final interview stages.Our team is distributed across Estonia (Tartu, Tallinn), Portugal, and Spain, and our processes are tailored for remote collaboration. While we are remote-first, we offer physical office locations in both Tallinn and Tartu, providing the option to work from these sites for those based in Estonia. Our operational hours align with the Eastern European time zone (EET/EEST), and we are hiring for this role in Estonia and Poland.Current Tech StackBackend: Go, Elixir, Ruby, PythonFrontend: React, JavaScript, TypeScriptInfrastructure: AWS, Kubernetes (EKS), Docker, TerraformDatabases & Persistence: PostgreSQL (RDS), DynamoDB, RedisEvent Streaming & Messaging: Apache Kafka, RabbitMQAI: Amazon Bedrock, Claude Code, Google Gemini

Role overview Cupid Media seeks a Senior Frontend Developer in Poland to strengthen and expand its online platforms for singles worldwide. This position centers on enhancing the user experience and supporting the company's mission to connect people globally. What you will do Collaborate with cross-functional teams to design, develop, and launch new features for web platforms. Use frontend development expertise to deliver smooth and engaging experiences for users. Contribute to solutions that reach a diverse, international audience. Location This role is located in Poland.

Why Join Housecall Pro?At Housecall Pro, we are on a mission to create solutions that enhance the lives of home service professionals across the United States. Our commitment is to assist these professionals in optimizing their operations, growing their businesses, and ultimately enjoying more time with their families. We believe in the Pro, and every day, we strive to make a significant impact in their lives.Although our headquarters is located in Denver, Colorado, our diverse team stretches across the globe, including talented individuals from Brazil, Poland, the Philippines, Mexico, and more. We prioritize our customers and cultivate a work culture where our company, our team members, and our Pros can thrive together, regardless of their location. Our leadership is deeply invested in the career growth of each team member, expecting them to contribute innovatively to our mission.We also provide:Generous paid holidays and flexible time off policiesA culture that champions innovation and welcomes big ideas from everyoneA MacBook setup ready from day one, plus a $500 stipend to create your ideal workspaceWork hours aligned with Central European Time (CET) for a balanced scheduleEquity in a fast-growing startup supported by leading venture capitalistsAbout the RoleAs a Senior Fullstack Software Engineer, you will leverage your strong engineering fundamentals and problem-solving skills to navigate complex systems effectively. Your focus will be on systems thinking, scalable architecture, and writing clean, maintainable code that provides genuine value to our customers. In this position, you will lead technical decision-making processes, drive projects from conception through to production, and collaborate closely with product, design, and engineering teams to create impactful user experiences.You will play a pivotal role in defining and advocating for technical best practices, enhancing the quality of our systems, and mentoring other engineers as our team expands. Our engineering culture is characterized by passion, empathy, and a collective mission of improving the lives of our service professionals. Your contributions will be vital in enabling their success and fortifying the foundation of our product for years to come.Compensation: $6,500 - $8,000 USD per month (B2B)What You Will Do

Addepar is looking for a Senior Site Reliability Engineer based in Poland. This position focuses on maintaining and improving the reliability and performance of our platforms. Role overview As a Senior Site Reliability Engineer, collaboration with cross-functional teams is central to the work. The role involves designing and implementing infrastructure solutions that support our systems. Addressing and resolving complex technical issues is also a key part of daily responsibilities. What you will do Work with multiple teams to build and refine infrastructure for our platforms Troubleshoot and resolve challenging issues to maintain system reliability Enhance systems to support optimal performance Location This role is based in Poland.

Senior Frontend EngineerLocation: Remote / WarsawEmployment Type: UoP / B2BSalary: 20,000 - 25,000 + VAT per month (based on experience for B2B)At PhotoAiD, we are a pioneering technology company specializing in biometric photography. Our innovative application allows users worldwide to easily capture document photos using their smartphones, revolutionizing the way people manage their documentation needs.PhotoAiD by the Numbers1 in 1000 people has taken a photo with us, and this is just the beginning!Shipping points in over 100 countries across 4 continents!Join a team of 100+ members dedicated to fostering a great work environment.Engage in 10 A/B tests weekly as we thrive on data-driven decisions.Support for over 10,000 document types, from fishing licenses to Mozambican passports.Utilized 10 million training photos to enhance our artificial intelligence capabilities.Why Join Us?Our technology significantly improves the lives of millions, enabling document photo capture from the comfort of home.We are scaling globally, from Mozambican passports to fishing licenses in Scandinavia.We prioritize high-quality engineering; our systems must be fast, secure, and reliable.Together, we cultivate a culture of collaboration, feedback, and mutual respect.Your ResponsibilitiesWeb DevelopmentBuild and maintain production applications for biometric photos and printing machinery.Implement advanced photo editing features (cropping, rotation, format conversion).Create responsive, touch-first interfaces optimized for kiosks.Implement virtual scrolling for large image galleries.Manage complex state handling in multi-step order flows.Mobile DevelopmentDevelop features for capturing and processing images in our React Native + Expo application.Integrate with native camera APIs and AI-based image validation.Architecture and QualityDesign modular architecture based on features.Write unit, integration, and E2E tests.Implement error boundaries and error handling.Work with OpenAPI schemas for type-safe backend integration.Participate in code reviews and maintain high code quality standards.

Welcome to the positive side of technology! You might recognize us by our previous name: Znany Lekarz. It all began over a decade ago when we posed a crucial question: is anyone in healthcare genuinely considering the needs of patients? We took action, empowering patients with the ability to leave and read reviews about their healthcare experiences. Simultaneously, we equipped doctors with innovative tools to streamline booking management, enabling them to focus on what truly matters: patient care. Today, we invite you to join us in our mission to humanize the healthcare experience.Docplanner: A Global LeaderWe proudly operate in 13 countries, with over 90 million patients relying on our services every month. More than 300,000 specialists trust our platform, backed by leading venture capital firms like Point Nine Capital, Goldman Sachs Asset Management, and One Peak Partners. Despite employing over 2,500 individuals worldwide, we maintain the innovative spirit of a startup that we began with over a decade ago.Docplanner Tech: Shaping the FutureAt Docplanner Tech, we are a diverse team of over 400 professionals in Engineering, Data, and Product teams, dedicated to creating our product for all our locations. Many team members have been with us for over five years, and we always welcome new colleagues with warmth and enthusiasm.While we could share more about ourselves, we encourage you to check our Glassdoor reviews to hear firsthand experiences. If you want to understand what it's like to be your true self at work, watch this video.Why Join Us?It's fulfilling to share with family and friends how your work contributes to making the world a better place. You’ll rest easy knowing that your efforts matter and that your skills resonate with your values.Our goal is to enhance the healthcare experience, and this journey begins with you being authentically yourself. We believe that embracing the diversity of human experiences leads to a better healthcare journey for everyone. We don’t just acknowledge our differences; we celebrate them. We encourage you to bring your whole self to work, including the choice to work remotely, as we are fully remote-friendly.