Senior Full Stack Engineer - Creator Recruit

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 Forreste…

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!

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.

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!

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.

Veeam Software seeks an experienced C# Developer to join its Warsaw team. This position is designed for professionals who take pride in building dependable, thoughtfully designed software. Role overview The team emphasizes collaboration and values technical excellence. Developers here work together to achieve high-quality outcomes and maintain a supportive environment. What you will do Contribute to the design and development of software using C# Focus on delivering reliable and maintainable solutions Work closely with colleagues to achieve shared goals Requirements Professional experience with C# development Commitment to quality and attention to detail Interest in collaborative problem-solving

Join Altersolutions as a Python Developer and become a key player in our dynamic team. You will work with cutting-edge technology to develop robust and efficient applications that enhance our services. If you are passionate about coding and eager to tackle challenges, we want to hear from you!

Veeam Software seeks a Senior C# Developer in Warsaw, Poland, to work on Microsoft 365 solutions. This role involves building and maintaining software that enhances Veeam’s product offerings. Key responsibilities Design and develop software applications in C# that integrate with Microsoft 365. Maintain and improve existing code to support new features and ongoing enhancements. Collaborate with engineering, product, and QA teams to deliver updates and improvements. Contribute to solutions that address customer needs and refine the user experience. Location This position is based in Warsaw, Poland.

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

Join the forefront of digital privacy with Nordsec!Are you a passionate and innovative software engineer ready to tackle complex challenges? Become a pivotal part of our dynamic team responsible for developing cutting-edge technologies such as Threat Protection Pro, the NordLynx protocol, and the world’s fastest VPN. Your contributions will empower millions of users to reclaim control over their online security, privacy, and data.

Role overview SmartRecruiters is seeking a Senior Software Engineer with strong Python skills to join the team in Poland. This role focuses on building and enhancing scalable software that supports the company’s product suite. Senior engineers at SmartRecruiters play a key part in shaping technical decisions and work closely with colleagues from various teams. What you will do Design and implement software solutions using Python Work with product managers, designers, and engineers to deliver new features Promote development best practices and contribute to architectural choices Mentor junior engineers and help them grow technically Requirements Experience building scalable applications with Python Comfort working in a collaborative setting that can move quickly Interest in solving practical problems with technology Ability to share knowledge and support less experienced team members

Role overview Veeam Software seeks a Senior Python and AI Developer to help design solutions that enhance the company’s data management and protection products. This position is located in Warsaw, Poland. What you will do Design and develop new features using Python and AI methods Collaborate with a team of experienced engineers and other professionals Offer ideas and feedback that influence the direction of Veeam’s products Location The role is based on site in Warsaw, Poland.

Role overview Sigma Software Group seeks a Principal Full-Stack Engineer with deep frontend expertise for its Warsaw office. The position involves designing and building web applications that put user experience at the center. Collaboration is essential, as the role works closely with colleagues from different disciplines to ensure software solutions meet client expectations. What you will do Design and implement web applications with a strong emphasis on frontend quality and usability Collaborate with cross-functional teams to deliver reliable, high-quality software Lead technical projects and set direction for development efforts Mentor junior engineers and help shape team best practices Requirements Extensive experience in both frontend and backend development Demonstrated ability to lead projects and guide teams Proven track record of mentoring and supporting junior developers Strong commitment to building user-centric software This Warsaw-based role offers the opportunity to influence client projects and contribute to the growth of the team.

At Saily, we are revolutionizing the way people stay connected while traveling. With no roaming fees and no plastic SIM cards, we provide lightning-fast and secure mobile data across over 200 destinations. Our platform is trusted by millions of paying customers and frequented by hundreds of thousands of travelers daily.To deliver the best possible product, we have cultivated an AI-native Product Engineering culture that empowers:The Engineer as a builder, owning the customer problem-solving process from inception to production.AI Agents that assist by writing significant portions of code and automating repeatable tasks, enabling Engineers to amplify their contributions.A collaborative environment where everyone plays a role in enhancing Saily by proposing new areas for agent delegation and executing those improvements.A culture of curiosity, continuous learning, and knowledge sharing, ensuring that the customer experience, marked by comfort and connectivity, remains our primary focus.We prioritize growth over comfort, contribution over hierarchy, and impact over process. At Saily, we trust in giving talented individuals the context, autonomy, and AI tools they need to do their best work.We are excited to welcome motivated junior engineers to our team because we believe that true impact is not defined by years of experience, but rather by your eagerness to learn, discipline, and innovative mindset. Saily offers you the space to shape and enhance your surroundings.What can you expect from us? You will gain hands-on experience in AI-assisted software development, access to various learning resources, and the chance to work on a successful, impactful, and technically stimulating product that you will be proud to build.Bring your skills, your vision, and join Saily!Main ResponsibilitiesContribute to delivering tools and features with guidance from the team.Collaborate effectively with product managers, designers, and fellow engineers.Work within small, independent teams.Learn to leverage AI agents for specifications, coding, analysis, testing, and iterative processes.Participate in enhancing our internal agent network and development workflows.Focus on achieving user and business outcomes rather than just output.

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 builder, tackling customer challenges from concept to implementation.AI Agents assist in coding and automating repetitive tasks, enabling Engineers to focus on impactful work.Everyone is encouraged to identify improvement opportunities and implement solutions.Curiosity and knowledge sharing are core to our team dynamics.Our ultimate goal is to ensure a comfortable and hassle-free journey for our customers.At Saily, we prioritize growth over comfort, contribution over hierarchy, and impact over process. We empower talented individuals with context, autonomy, and AI to enhance their productivity.We are excited to welcome motivated junior engineers to our team. Here, your impact is defined not by years of experience, but by your passion for learning, discipline, and innovative thinking. You'll have the opportunity to shape your environment, and Saily will provide the platform for you to do just that.Expect hands-on experience with AI-driven software development, full access to learning resources tailored to your growth, and the chance to work on a successful and technically challenging product that you will be proud to build.Bring your skills and vision, and become part of the Saily journey!

At Veeam, we are committed to being the Data and AI Trust Company, empowering organizations to secure and comprehend their data and AI assets. As the leading provider in data resilience and security posture management, we are uniquely positioned to address the convergence of identity, data security, and AI risk. With our headquarters in Seattle and a presence in over 30 countries, Veeam proudly protects more than 550,000 customers globally, ensuring their businesses operate smoothly. Join us on our journey as we move forward together, fostering growth, learning, and making a significant impact for some of the world’s most prominent brands.About the RoleWe are seeking a motivated Junior C# Developer to become a key part of our team focused on Veeam Backup and Replication, along with its extensions.What You’ll DoDevelop and design REST APIs for Veeam Backup & Replication.Create new products while providing support for existing features.Engage in individual and team development of components and overall product architecture.Technologies We Use:C#, .Net 10, Windows/Linux, MS SQL, PostgreSQL, Multithreading.

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.

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!

We are seeking a talented Python Developer to join our dynamic team at SoftwareMind in Warsaw. As a mid-senior level developer, you will be instrumental in designing and implementing innovative solutions that leverage Python technologies. You will collaborate with cross-functional teams to deliver high-quality software that meets our clients' needs.If you are passionate about software development and eager to work in a fast-paced environment, we want to hear from you!

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...