Full-Stack QA Engineer (Mid/Senior+) at Capital | Warsaw, Poland

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 c…

Join a leading trading platform that is ambitiously extending its reach globally. Our award-winning products are recognized for their innovative technology and exceptional client experience. We pride ourselves on delivering excellence, and we seek extraordinary talent to enhance our dynamic team.We are in search of an accomplished Senior Technical Recruiter. This pivotal role focuses on sourcing top-tier engineering talent to align with Capital.com's strategic objectives for 2025 and beyond. As the Senior Technical Recruiter, you will manage the complete recruitment lifecycle, identify exceptional engineering candidates, and act as a strategic partner to stakeholders within the engineering department.

Join us at capital, a premier trading platform expanding globally. Our award-winning products, recognized for their advanced technology and exceptional client experience, set the standard in the industry. We are on the lookout for top-tier talent to join our dynamic engineering team.We are currently enhancing our Backend Team and seeking passionate Java Software Engineers with a keen interest in trading! Our engineering team is crucial in maintaining the performance, security, and reliability of our products. With a focus on delivering superior performance, ensuring compliance, and protecting client data, your contributions will significantly enhance the trading experience for our clients.We value engineers who not only write exceptional code but also embody our core values. We are searching for individuals who are ready to move quickly, willing to innovate and develop, who understand the importance of listening, respecting, and supporting, strive to exceed client expectations, and take full ownership for achieving real impact.

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 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!

Join capital, a premier trading platform that is ambitiously expanding its reach globally. Our award-winning products are renowned for their state-of-the-art technology and exceptional client experience. We are dedicated to excellence, which is why we constantly seek talented individuals to augment our growing team.The Product Analyst position offers a unique opportunity for professional development across various domains. You will engage in diverse tasks that will enhance your technical, analytical, and business acumen. By joining our team, you will not only acquire advanced skills in product analytics but also play a pivotal role in driving the growth of our platform.

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!

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.

Join our rapidly expanding trading platform, recognized globally for its innovative technology and exceptional client experience. We pride ourselves on delivering top-tier products, and we continually seek the brightest talents to enhance our dynamic team.We are on the lookout for a highly proficient and proactive Senior Database Administrator. The ideal candidate will possess extensive expertise in AWS RDS PostgreSQL and MySQL, along with a solid background in infrastructure-as-code (IaC) using Terraform and configuration management through Ansible.In this pivotal role, you will manage, optimize, and ensure the high availability and security of our database environments. Proficiency in implementing both auto and manual failover, DNS management, and load balancing solutions is essential. Familiarity with databases such as ClickHouse, Redshift, Microsoft SQL Server, and MongoDB will be considered a significant advantage.

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

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.

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 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.

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!

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.

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 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!

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.

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.

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.