Full Stack Developer with Java & React Expertise

N-iX is a global software development partner serving clients across industries. Since its founding in 2002 in Lviv, the company has expanded to eight countries, including Poland, Ukraine, Sweden, Bulgaria, Malta, the UK, the US, and Colombia. The team includes more than 2,000 professionals who contribute to projects for international organizations and Fortune 500 companies. Role overview This position is for a Mid-Level .NET Full Stack Engineer with a focus on Blazor. The role is based in Poland and supports a long-term project. The work involves technical challenges and the chance to develop new skills. Team members value collaboration and encourage new ideas. Project context The client is a government technology agency. Their mission involves developing and implementing ICT policies, programs, and initiatives. The agency translates emerging technologies into practical solutions for the public sector, aiming to improve business processes and services.

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 Eleks as a Full-Stack Software Developer specializing in .Net and Angular. In this fully remote role, you will collaborate with a talented team to create innovative software solutions that enhance the banking sector. Your expertise will help shape the future of banking technology, ensuring our clients receive the highest quality services.

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.

Mission Statement: Kontakt.io is revolutionizing the landscape of care operations.Our mission is to minimize waste, reduce costs, and boost revenue by enhancing throughput, asset utilization, and staff productivity. Leveraging cutting-edge AI, Real-Time Location Systems (RTLS), and Electronic Health Records (EHR) data, our platform empowers self-learning agents to automate workflows, respond dynamically, and orchestrate comprehensive care delivery operations.Designed for effortless deployment and scalability, our solution provides a transparent view of spaces, equipment, and personnel, effectively removing inefficiencies and elevating the patient experience. With a remarkable 10X return on investment and over 20 successful use cases, Kontakt.io stands as the preferred platform for efficient and swift care delivery operations.To excel in this role, you must possess a strong passion for developing high-performance, dependable applications. You should have an intrinsic drive to innovate and explore the best tools for tackling scalability challenges.Our Technology Stack:- Backend: Kotlin, Java 15+, Spring Boot, Spring Data, Kafka, MongoDB, PostgreSQL, Docker, Kubernetes, Python, AWS- Frontend: Angular 12, TypeScript, Leaflet.js, PrimeNG, Vue.js, ES6, Nginx deployment, Figma designsWe seek an individual capable of working autonomously, approaching problems from a product-oriented perspective, proposing effective solutions, and executing them proficiently.

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 currently on the lookout for a skilled QA Engineer with a strong background in both manual and automated testing. If you thrive in a fast-paced environment and enjoy collaborative teamwork, we invite you to contribute to the excellence of Capital.com’s trading platform.

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 Vonage as a Full Stack Software Engineer and embark on an exciting journey to develop innovative solutions that shape the future of communication technology. In this role, you will leverage your expertise in both front-end and back-end development to build dynamic applications that enhance user experience and drive customer satisfaction.

Full Stack Data EngineerAbout TechTorchTechTorch is an innovative and rapidly growing enterprise technology consultancy that collaborates with some of the world's most prestigious private equity-backed companies. We offer cutting-edge AI-powered solutions, accelerators, and data transformation initiatives designed to deliver significant value swiftly and effectively.Our mission is to revolutionize enterprise technology consulting for private equity. We seamlessly blend the agility of a start-up with the precision and discipline needed by the most discerning investors and operators.Founded by industry veterans, including former Bain consultants, CIOs, and technology leaders, TechTorch possesses extensive expertise in technology, transformation, and value creation. Our focus is on delivering impactful results that matter.About the TeamAt TechTorch, our teams are leading the charge in delivering enterprise technology and data transformation projects that enhance growth and operational performance for private equity-backed organizations.We integrate profound knowledge in data engineering, analytics, and AI with a business-centric approach, crafting and delivering scalable, production-grade solutions that resonate with client goals and timelines.Our global teams collaborate across AI, data, enterprise systems, and digital transformation disciplines to achieve measurable outcomes.About the RoleWe are seeking a Full Stack Data Engineer who possesses a strong foundation in data engineering combined with expertise in business intelligence and analytics.In this role, you will be responsible for designing and constructing scalable data pipelines and architecture in Snowflake, while also managing the downstream analytics layer — creating dashboards, data models, and reporting solutions that empower executive decision-making.You will oversee the entire data stack, from ingestion and transformation to modeling and visualization, ensuring that the data is reliable, efficient, and ready for business use.

airSlate is hiring a Full Stack Engineer in Poland. This role centers on building and enhancing software products that span both front-end and back-end systems. Collaboration is key, as projects often involve working with design, product, and engineering teams to deliver features that address real user needs. What you will do Develop and maintain software solutions across the full technology stack Work closely with colleagues from design, product, and engineering disciplines Help deliver products that users rely on daily Requirements Experience in both front-end and back-end development Ability to work well in a collaborative team environment Interest in creating software that addresses real-world problems This position requires residency in Poland.

Role overview rho is hiring a Full Stack Software Engineer to help build software that supports how businesses handle their finances. This is a remote role based in Poland. What you will do Work with a team focused on delivering software solutions for business finance management. Projects use current technologies and aim to improve efficiency for clients. Collaboration and problem-solving are part of the daily routine.

Join Dropbox as a Full Stack Product Software Engineer, where you will play a vital role in developing innovative solutions and enhancing our product offerings. As part of a dynamic team, you will work on both front-end and back-end technologies, contributing to the design, implementation, and optimization of user-friendly applications.

Join Our Team at NordLayer!At NordLayer, we are on a mission to deliver scalable cybersecurity solutions tailored for modern businesses.Our innovative platform empowers teams to operate efficiently without the burden of security concerns. Trusted by over 11,000 global companies, NordLayer seamlessly integrates with any technology stack to safeguard users across borders.Your Role: As a DevOps Engineer, you will play a crucial role in enhancing and automating our infrastructure and CI/CD processes. Collaborating with Senior Engineers and cross-functional teams, you will implement best practices in DevOps, support robust and scalable cloud solutions, and ensure smooth software delivery. This is a fantastic opportunity for professional growth in a dynamic environment while contributing to our infrastructure automation initiatives.Key Responsibilities:Implement and maintain Infrastructure as Code (IaC) using Terraform.Develop, manage, and optimize Terraform modules.Oversee and enhance AWS Cloud infrastructure, ensuring performance, scalability, and availability.Assist in establishing and maintaining monitoring and logging systems (e.g., ELK, Grafana, Thruk).Provide technical support for infrastructure, CI/CD pipelines, and deployment processes.Troubleshoot and resolve infrastructure-related issues to ensure seamless operations.Document and uphold DevOps workflows, processes, and system configurations.

Join aura798 as a Senior Full Stack Engineer and be part of a dynamic team that is shaping the future of technology. In this role, you will be responsible for developing innovative software solutions, improving existing applications, and collaborating with cross-functional teams to deliver high-quality products.The ideal candidate will have a strong background in both front-end and back-end development, a passion for coding, and a commitment to continuous learning. You will work closely with product managers and stakeholders to understand requirements and translate them into technical specifications.

Join a leading global food and beverage company that operates across 189 countries and boasts a portfolio of over 2000 brands, including bottled water, dairy products, breakfast cereals, coffee, confectionery, frozen food, pet foods, snacks, and baby food.We are in search of a Mid-Level Data Engineer to craft, develop, and sustain robust data systems that facilitate analytics, reporting, and machine learning initiatives. This position calls for a strong sense of ownership, proficient SQL capabilities, and experience handling extensive datasets within production settings.

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.

At Affirm, we are transforming credit to make it more transparent and consumer-friendly, empowering individuals with the option to buy now and pay later without hidden fees or compounded interest.We are excited to invite a Full Stack Software Engineer to join our Card Acquisition team within the Consumer Engineering organization. This role is perfect for an enthusiastic engineer eager to enhance the quality and speed of our full stack development across mobile, web, and backend systems. Your contributions will significantly shape the initial experiences our customers have with Affirm, fostering trust, clarity, and value right from their first interaction. In this position, you will implement features, engage in technical discussions, and deepen your technical expertise, collaborating closely with product, design, and engineering teams to create polished, high-performance, and accessible user experiences that enhance conversion, retention, and overall business growth.

Join Box Inc. as a Mid-Level Java Engineer and take part in building innovative solutions that streamline processes and enhance user experiences. You will collaborate with a team of talented developers, contributing to the design, development, and maintenance of high-quality software applications.We value creativity, teamwork, and a passion for technology. If you are eager to tackle challenging problems and develop your skills in a supportive environment, we would love to hear from you!

At Affirm, we are transforming the credit landscape to ensure it is transparent and user-friendly, empowering consumers to make purchases now and pay later without hidden charges or interest accumulation.We are on the lookout for a Staff Full Stack Software Engineer to join our Acquisition & Onboarding team within the Consumer organization. This pivotal leadership position calls for an engineer who can establish technical vision, steer architectural choices, and enhance the quality and efficiency of full stack development across mobile, web, and backend systems. Your contributions will significantly shape the initial experiences our customers have with Affirm, fostering trust, clarity, and value from the outset. As a Staff Engineer, you will define the long-term technical strategy, mentor senior engineers, and amplify your team’s output through your extensive technical knowledge, operational excellence, and adeptness in navigating complexities. Collaborating at the intersection of product, design, and engineering, you will create refined, efficient, and accessible user experiences that directly influence conversion rates, customer retention, and overall business growth.