Fullstack Software Engineer - Senior Level

This Senior FullStack Unity3D (Web) Developer position is based in Poland and supports a global engineering and technology organization recognized for its work in mobility solutions, industrial technology, consumer goods, and energy solutions. The company values innovation, quality, and sustainable development, serving a broad international client base. Role overview The team is building a large-scale solution to automate industrial processes. Current priorities include transforming a Unity3D desktop application into a WebGL-based web solution, enhancing testing infrastructure, and developing modern interfaces for mobile robotic systems such as AGVs and AMRs. This role is central to the product’s shift from desktop to web and involves working on advanced robotics and automation projects. What you will do Design, develop, and maintain WebGL applications using Unity3D Lead the migration from desktop to web-based architecture Build and test graphical user interfaces for mobile robotic systems Create scalable frontend and backend solutions Implement secure data communication, including WebSocket encryption Collaborate within a SCRUM-based agile team Participate in code reviews, testing, and ongoing improvement efforts Requirements Experience with Unity3D and WebGL application development Background in both frontend and backend development Familiarity with secure data communication protocols Comfort working in agile, SCRUM-based teams

SupportYourApp is a leading international Support-as-a-Service company with over 15 years of experience providing reliable technical and customer support services. We aim to enhance the user experience for growing companies. Our diverse global team consists of more than 1300 professionals.We operate worldwide, assisting clients in 60 languages and collaborating with industry leaders such as MasterCard, Calm, and MacPaw. We also develop innovative products like Quidget to improve customer experiences every day.About the Role:We are looking for a passionate Fullstack Web Developer fluent in Ukrainian to join our community. In this role, you'll be instrumental in enhancing our corporate website, working closely with our marketing team and our Chief Marketing Officer to achieve ambitious results within our marketing department.Interested? Read on! What You Will Do:Develop and maintain headless WordPress architecture.Optimize website performance, focusing on mobile.Implement lazy loading and partial rendering techniques.Enhance Core Web Vitals and Lighthouse scores.Engage in technical SEO implementation.Support external integrations (forms, webhooks, API).Ensure website security and operational stability.Maintain CI/CD processes.Participate in redesign and UX improvement from a technical perspective.After 1-2 years, initiate architectural improvements when necessary.

Join Vonage and drive innovation in cloud communications for businesses across the globe!About Vonage Communications APIs:As a frontrunner in the $10B+ communications API sector, we empower leading global brands to enhance their connections with customers, employees, and partners through groundbreaking communication solutions. Our Vonage API offerings enable organizations to create customized omnichannel communication frameworks, allowing them to engage customers on their preferred platforms and timelines — be it through voice, video, or messaging. Imagine a rideshare service instantly reaching out to customers, healthcare providers conducting remote monitoring, customers confirming their identities before making purchases, and AI virtual agents assisting customers 24/7.Why This Role is Essential:The Dashboard is the hub where our customers register, manage their accounts, and configure their API settings. It is vital for generating revenue within the API division and supports customer growth as they integrate our products. It also contains developer documentation, serving as a key resource for customers of all sizes throughout their journey.As a Dashboard developer, you will significantly impact the customer experience, creating a robust and resilient architecture while contributing to company revenue growth. You'll work within a DevOps culture, broadening your focus beyond coding to include deployment, scalability, and system performance under load.Key Responsibilities:Develop web application features within the cloud communications and API domain, including sign-up workflows, payment and anti-fraud processes, as well as tools that enhance our products (Messaging, Voice, Verify, Insight, AI Studio), such as advanced search and debugging functionalities for our clients.Collaborate with product managers, UX designers, front-end developers, QA testers, and internal stakeholders to ensure a seamless and high-quality user experience across various platforms.Contribute to maintaining a high standard of code quality and performance across the application.

Code & Pepper works with clients in FinTech, HealthTech, and AI, taking on projects that demand accuracy and dependable results. The team assists organizations in scaling their operations, refining platforms, and launching new features when deadlines are tight. Role overview The Senior Fullstack Developer (Ruby / React) will contribute to a SaaS platform designed to improve pharmacy operations. This platform addresses everyday challenges such as long customer lines, repeated phone inquiries, manual administrative work, and prescriptions left uncollected. What you will work on Enhancing features that allow pharmacies to process online payments and send automated prescription reminders Building tools that help pharmacies connect with patients more effectively Supporting the platform’s goal of increasing pharmacy sales through a unified, user-friendly application Location This is a remote position (praca zdalna).

About UsAt Bee Talents, we are a leading IT recruitment agency dedicated to connecting global clients with top-tier technical talent since 2015. We are excited to initiate the recruitment process for our esteemed client, Symbe. Symbe is an innovative startup in the realm of business intelligence, specializing in automating business case creation for sales teams. By leveraging their platform, clients such as Salesforce, Stripe, and Hubspot can effectively showcase value and engage CFOs throughout the sales process. With over a year in the market, Symbe has earned the trust of prominent global brands.

Join our dynamic team at Alter Solutions as a Senior Java Fullstack Developer, where you will leverage your expertise in Java and full-stack development to create innovative solutions. You will work collaboratively within a talented team, contributing to both frontend and backend development, and enhancing our software architecture.

Join Our Innovative Team as a Senior Fullstack Developer!At Telemedi, we are in search of talented Senior Developers to enhance our IT team as we embark on an exciting journey of organizational growth, focusing on programming with AI. As a Senior Developer, you'll skillfully navigate an AI-integrated IDE and excel at delivering significant business value through IT solutions while maintaining high programming standards.The era of traditional IT is over; a new phase in software development is upon us. Telemedi is at the forefront of this transformation. We believe that by combining cutting-edge technologies with technical expertise and exceptional commitment, we can build faster, better, and more efficiently than ever before.Our developers work with Cursor AI (cursor.com) — an IDE that revolutionizes the programming paradigm. We are capable of accomplishing in hours what takes other developers days, and we expect the same from you.Apply if you: Want to work in a product company with a fascinating, extensive, and complex business domain where your efforts today translate into tangible outcomes tomorrow. Enjoy tackling significant challenges and thrive in complex applications. Appreciate a dynamic environment where exciting developments are constant. Take initiative and strive to elevate team standards daily. Feel a profound sense of responsibility for your contributions and those of your team. Welcome constructive feedback about your work with an open mind. Are eager to understand the business and communicate effectively with others (not just within IT). Can quickly and efficiently create high-quality applications/features. Are confident in your technical knowledge and capable of enhancing application quality (including gradually improving legacy code). Proactively seek to improve processes around you. Your Responsibilities: Participate in crafting IT solutions from inception to completion (we do not operate in silos). Develop web applications (new features, bug fixing, refactoring). Engage in designing the architecture of new solutions and development infrastructure. Contribute to code reviews while ensuring the quality of created solutions. Continuously raise the standards of development processes. Collaborate closely with team members (Developers, PMs/POs, QAs). Maintain high programming quality and rapid task delivery (both individually and as a team). What We Expect: Excellent understanding of business and a broad context with a high level of detail. Outstanding ability to translate business goals into IT solutions that are as simple as necessary and not more complex than absolutely required. A strong desire and perseverance to continuously elevate team standards (both in terms of quality and efficiency).

At Lingarogroup, we are dedicated to fostering a culture of growth through diversity, equity, and inclusion. As an ethical company, we prioritize doing what is right, ensuring equal opportunities for all and cultivating a safe and respectful workplace. We believe that diversity is a catalyst for both personal and organizational growth. Join us in our commitment to building an inclusive community where everyone can thrive, regardless of their backgrounds, identities, or personal characteristics.

Join our dynamic team at Altersolutions as a Fullstack .NET Angular Developer! In this role, you will have the opportunity to work with cutting-edge technologies and contribute to innovative projects that impact our clients positively. Collaborate with cross-functional teams to design, develop, and implement robust applications that meet business requirements.

Clear Junction is excited to announce a fantastic opportunity for a As a leading global payments provider regulated by the FCA in the UK, we specialize in delivering comprehensive payment solutions powered by our proprietary technology. Our robust infrastructure is meticulously designed to cater to the evolving requirements of international financial institutions.Since our inception in 2016, we have experienced consistent double-digit growth year on year. Our dedicated team of over 120 fintech professionals across the UK and mainland Europe is a testament to our success. We take pride in being recognized as the fastest-growing, founder-led, privately owned business in the UK according to the FEBE Growth 100, and we are also featured on the FT 1000 list of Europe’s most rapidly expanding companies.We are currently in search of a talented and experienced Fullstack PHP Developer to join our vibrant team in Gdańsk, Poland.Your Responsibilities Engage in the design and development of our innovative payment platforms Conduct unit and integration testing to ensure software quality Identify, troubleshoot, and enhance software performance Collaborate effectively with fellow engineers within the team Key RequirementsEssential Qualifications: Proficient in PHP with a minimum of 2 years of experience Strong knowledge of MySQL Experience working with APIs Familiarity with Git/GitHub Fluency in Ukrainian or Russian Office based in Gdańsk Desirable Qualifications: Experience with frameworks such as YII, Laravel, CakePhp, etc. Knowledge of Unix/Linux operating systems Familiarity with payment systems Good command of English When applying, please indicate your salary expectations, specifying the currency and whether it is net or gross.Benefits Supportive team environment and a collaborative culture Engaging role with opportunities for career advancement Continuous learning and development opportunities Competitive salary based on interview performance Performance-based bonuses Private health insurance coverage Paid time off

About Us:MARGO Group is a leading international IT consulting firm established in 2005 in Paris, with additional offices in London and Warsaw. We excel in IT outsourcing and the provision of highly skilled professionals for intricate technology projects throughout Europe. Our commitment at MARGO is to foster long-lasting partnerships, uphold transparency, and encourage continuous growth and development.

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

Join Box Inc. as a Senior Fullstack Software Engineer and take the next step in your career! We are looking for an experienced engineer who is passionate about building scalable web applications and innovative solutions. In this role, you will work collaboratively with cross-functional teams to design, develop, and maintain high-quality software that meets the needs of our clients.

At Affirm, we're revolutionizing credit to enhance transparency and accessibility, empowering consumers to buy now and pay later without hidden fees or compounding interest.Be part of our innovative Servicing International team, pivotal to Affirm's global expansion, as we develop the core platform to introduce our offerings to a new era of international markets. This position will concentrate on purchase protection, including disputes and refunds—a vital component of the user journey and an area of substantial investment—to foster trust and satisfaction among our newest customers. Success in this role demands close collaboration; you will work alongside our European engineering teams and engineers from our global Servicing Engineering organization to create cohesive, scalable solutions. If you are driven by a passion for crafting exceptional user experiences and are excited about the prospect of launching products in new regions, we invite you to join us. Help shape the future of Affirm's platform and establish our global presence.Key ResponsibilitiesLead your team in achieving quarterly objectives, guiding engineers through ambiguity to address open-ended challenges while ensuring continuous support throughout the delivery process.Collaborate with peers and stakeholders in the product development lifecycle, engaging with product management, design, and analytics to participate in ideation and articulate technical constraints, while making decisions that appropriately weigh risks and trade-offs.Proactively identify and advocate for solutions to project, process, technology, or business issues.Monitor and support the operations and availability of your team's deliverables by establishing metrics, escalating issues when necessary, and contributing to ongoing maintenance and on-call responsibilities.Promote a culture of quality and ownership within your team by enhancing code review and design standards and advocating for best practices through documentation and technical presentations.Mentor and develop team talent by providing feedback, guidance, and leading by example.QualificationsMinimum of 4 years of experience as a software engineer.Proficient in designing, developing, and deploying backend systems at scale using technologies such as Python, Kotlin, AWS, MySQL, and Kubernetes.Experienced in delivering web applications with declarative UI frameworks like React or Vue.Skilled in defining a technical blueprint for significant feature or system component delivery with an emphasis on elegant, simple, and extensible design.

Join airSlate as a Fullstack Developer!At airSlate, we are at the forefront of innovation in SaaS technology, specializing in no-code workflow automation, electronic signature, and document management solutions. Our award-winning suite of products, including SignNow, pdfFiller, DocHub, airSlate WorkFlow, Instapage, and US Legal Forms, empowers hundreds of millions of users and over one million clients globally. We help organizations of all sizes digitize processes, enhance efficiency, and revolutionize their operational methodologies.We’re experiencing a thrilling phase of growth, with talented team members spread across more than 20 countries on three continents, prominently including the United States, Poland, Romania, Ukraine, and the Philippines. At airSlate, we cultivate a culture of value creation for our customers and a collaborative environment fostering growth and innovation.About DocHubOur ambitious DocHub team of 20+ technologists is dedicated to perfecting our Google-integrated PDF editing and signing solution. DocHub simplifies the processes of document editing, signing, distribution, and form completion, allowing users to seamlessly import, export, modify, and sign documents directly from Google apps, ensuring streamlined business operations and dynamic workflows.We are on the lookout for a talented Fullstack Developer (Ruby) who is ready to contribute to the exciting next chapter of our journey!

VIATechnik is seeking a Mid-Level Fullstack .NET Developer to join its remote team in Poland. This role centers on building solutions for the engineering sector alongside colleagues who value collaboration and growth. Role overview Work with a team of professionals to develop and maintain fullstack applications using .NET technologies. The position involves contributing to projects that support the engineering industry, with opportunities to learn from experienced peers. Collaboration Expect to work closely with other developers and team members in a remote setting. The environment emphasizes teamwork and knowledge sharing, helping you strengthen your technical and communication skills. Location This is a remote position open to candidates based in Poland.

Dołącz do naszego zespołu jako Fullstack Developer (.NET + Angular) i pracuj z wiodącym klientem w branży ubezpieczeniowej. Będziesz odpowiedzialny za projektowanie oraz rozwijanie nowoczesnych aplikacji, które spełniają potrzeby naszych klientów. Jeśli posiadasz doświadczenie w .NET oraz Angular, ta oferta jest dla Ciebie!

SupportYourApp is a leading international Support-as-a-Service company with over 15 years of experience in delivering reliable technical and customer support services. We specialize in enhancing user experience for growing companies. Our diverse international team comprises more than 1300 specialists.With a global reach, we assist clients in 60 languages and collaborate with industry leaders such as MasterCard, Calm, and MacPaw. Our commitment to innovation is exemplified by products like Quidget, aimed at improving customer experiences daily.About the Role:We are seeking a Fullstack WordPress Developer to join our community, focusing on the development of our corporate website. In this role, you will collaborate closely with our marketing team, including our Chief Marketing Officer, to achieve ambitious departmental goals.Excited to learn more? Keep reading! What You Will Do:Develop and maintain a headless WordPress architecture.Optimize website performance, particularly for mobile.Implement lazy loading and partial rendering techniques.Enhance Core Web Vitals and Lighthouse scores.Conduct technical SEO implementations.Support external integrations (forms, webhooks, API).Ensure the security and stability of the website.Maintain CI/CD processes.Participate in redesigns and UX improvements from a technical perspective.Initiate architectural enhancements after 1-2 years if beneficial.

Become a key player in our dynamic Web Marketing Design Team at Nordsec, where your creativity will shape the digital landscape of premier cybersecurity solutions worldwide. We are on the lookout for a talented web designer eager to contribute to an engaging online presence that drives user acquisition and enhances customer satisfaction. Your primary focus will be on designing visually compelling and user-friendly websites. Collaborate closely with our marketing team on various initiatives, from global campaigns to innovative business projects. As part of your role, you will also work hand-in-hand with copywriters, web content managers, graphic designers, and engineers to deliver exceptional websites that resonate with our audience.