Senior Full Stack Software Engineer (B2B SaaS)

Who are we, and why are we hiring?With over 15 years of excellence, Kodify is a leader in creating outstanding video content and managing numerous high-traffic websites. Our award-winning platforms cater to millions of users globally. At Kodify, we are not merely breaking barriers in online entertainment; we are redefining the narrative! Our mission is to eq…

About Judi HealthJudi Health is an innovative enterprise health technology organization dedicated to reshaping the healthcare landscape. We provide a comprehensive suite of solutions tailored for employers and health plans, which includes:Capital Rx, a public benefit corporation delivering full-service pharmacy benefit management (PBM) solutions for self-insured employers,Judi Health™, offering complete health benefit management solutions for employers, third-party administrators (TPAs), and health plans, andJudi®, the leading proprietary Enterprise Health Platform (EHP) that integrates all claim administration-related workflows within a single scalable and secure platform.We are committed to rebuilding trust in healthcare across the U.S. and are laying down the essential infrastructure for the care that everyone deserves. To explore more, visit www.judi.health.Location: Remote (For Non-Local) or Hybrid (Local to NYC area)Position Summary:Join our mission to revolutionize the healthcare system as a Senior Full Stack Software Developer. In this pivotal role, you will lead projects from inception to delivery. Collaborate with product managers and designers to define requirements during the discovery and planning phases. Work alongside fellow developers to implement these requirements efficiently as new features or enhancements to existing functionalities.

Join Us as a Senior Full-Stack Software EngineerLocation: Fully Remote (Preference for Europe-friendly overlap; other time zones considered with sufficient overlap)Employment Type: Full-Time/ContractorLanguages Required: Fluent in EnglishExperience Required: 6-10 years, with a strong preference for candidates with a substantial background in open-source contributions.Salary Range: €40,000 - €130,000Reports to: Head of Software EngineeringTravel Requirements: Occasional travel for workshops or team events may be necessary.Start Date: Early to Mid 2026 (TBD)About Us:Open Energy Transition (OET) is a pioneering non-profit organization committed to developing open-source tools and data for energy and grid planning. Our mission is to enhance transparency, reproducibility, and accessibility in energy planning, striving for open approaches to become the global standard by 2030.Role Overview:As a Senior Full-Stack Software Engineer, you will play a crucial role in building and improving applications across OET, including product-grade web applications, dashboards, data tools, and internal platforms that facilitate modeling workflows and informed decision-making.You will engage with all aspects of the technology stack: frontend, backend, and data layers, driving the development of new capabilities, modernizing existing systems, and enhancing reliability and developer productivity. Your work will encompass user-facing components (dashboards, reporting, results exploration), platform-facing elements (APIs, databases, automation), and integration tasks that transform modeling outputs into actionable applications.This position demands a hands-on approach from an individual who is dedicated to delivering high-quality solutions and enjoys constructing practical systems that others can rely on.

At River, we are on a mission to create the world’s most reliable financial institution, empowering individuals to take control of their financial futures through Bitcoin—the only incorruptible form of digital currency. We envision a future where everyone has Bitcoin savings, and businesses adopt Bitcoin on their balance sheets. Our focus is on designing and developing innovative products that enable our clients to buy, sell, secure, and utilize Bitcoin seamlessly.We are seeking a seasoned software engineer who is adept across the entire web stack and has a proven track record of building and maintaining scalable production systems. You will be instrumental in developing features that enhance our clients' daily experiences. Our tech stack includes Elixir, React, and Postgres.River is rapidly expanding and has successfully secured over $50 million in funding from top investors, such as Goldcrest, Kingsway, Polychain, M13, DG, and Valor. We are committed to transparency, having publicly disclosed our financials and proof of reserves, allowing our clients and employees to verify our business’s strength and growth.

Location: Fully remote position with significant overlap with the CET timezone (meetings expected between 16:00 and 18:00 CET)Classification: Full-time, 40 hours per weekPay Range: €80,000 to €140,000Position Overview:At Miaplaza, we are committed to transforming education through engaging and accessible online learning platforms. Our mission is to foster personalized learning experiences that empower students in a supportive and interactive environment. We aspire to enhance online education by implementing successful strategies from virtual learning to create an inclusive and effective curriculum platform that enables all students to thrive.As we expand our operations, we are seeking a Senior Full Stack Software Engineer to be an integral part of our team. You will collaborate with engineers of varying experience levels, seasoned hands-on engineering managers, and other dedicated team members, all focused on delivering a premier educational experience to learners from diverse backgrounds.Key Responsibilities:Architect, develop, and sustain robust web applications utilizing C# and Vue.jsWork closely with product and engineering managers, stakeholders, and cross-functional teams to define, prioritize, and implement impactful features for our usersProduce clean, maintainable, and testable codeGuide and mentor junior developers in code quality, design principles, and best practicesQualifications:A minimum of 6 years of professional software development experienceExpertise in the following areas, with strong proficiency in at least one:Modern C#/.NETVue.js or comparable reactive frameworks (e.g., React, Angular)CSS and contemporary front-end styling techniquesDatabase technologiesProven experience in leading complex engineering projects from design to executionStrong background in clean coding principles (maintainability, flexibility, extensibility)

Join Our Team: We are seeking a talented Full-Stack Product Developer to join Colonist!Working Hours: Our team operates asynchronously, prioritizing results over hours worked.Location: This position is fully remote.Compensation:Attractive salary compensated in USD.Salary range negotiable based on your skills and location.Equity options available (own a piece of Colonist).About ColonistAt Colonist, we are on a mission to create the largest digital board game platform online. Last year, our community logged an astonishing 3,037 years playing 60 million games on our innovative Settlers of Catan alternative. Our team is entirely remote and asynchronous, spread across continents, dedicated to designing meticulously crafted digital board games that resonate with players worldwide.About The RoleAs a Full-Stack Product Developer at Colonist, you will be instrumental in developing and refining game modes and features, ensuring an exceptional player experience. Your role will encompass the complete development of game interfaces, focusing on seamless UI/UX across platforms, high code quality, and robust performance. Your technical expertise and player-centric approach will directly influence how 3.6 million players engage with our games each year.Key ResponsibilitiesEnhance our game architecture, fostering cleaner code boundaries and improved scalability.Design multi-platform systems to ensure consistent feature availability.Scale the codebase to accommodate multiple game titles while maintaining performance and developer efficiency.Lead full-stack development, from backend logic to a user-friendly UI.Balance technical complexity with product value, prioritizing tasks that deliver significant player impact.Review pull requests and mentor colleagues to uphold code quality, maintainability, and strong architectural principles.Collaborate with cross-functional teams to convert ideas into engaging and intuitive player experiences.Identify and resolve performance bottlenecks, ensuring smooth gameplay even during peak loads.Continuously refine tools and workflows, utilizing automation, testing, and CI/CD for rapid development cycles.

We are seeking a talented Full Stack Developer with strong .NET skills to join our dynamic team at Almavivadebelgique. This fully remote position is perfect for an innovative individual who thrives in a collaborative environment.As a Full Stack Developer, you will be responsible for:Developing and debugging web frontend code using modern SPA frameworks such as Vue.js and Angular.Managing front-end build configurations and npm tasks efficiently.Utilizing Typescript and contemporary web development practices.Writing responsive CSS and HTML with SASS and Semantic UI.Participating in the implementation of a .NET-based microservices solution, focusing on creating reliable, scalable, and secure backend code.Deploying and managing services on Kubernetes.Implementing unit and integration tests for both backend and frontend code.Setting up OAUTH authentication mechanisms.Collaborating with various technical teams to deploy new features and changes to production.Documenting technical solutions while adhering to secure coding practices, including logging and auditing features.

At Rekluti, we believe that while code is the medium, engineering excellence is the ultimate goal. We are on the lookout for technical strategists who can contribute their vision to enhance our clients' legacy. Your mission will involve leading the governance of distributed architectures in large-scale projects, where resilience and mastery of the Software Development Life Cycle (SDLC) serve as the cornerstones of every international solution we create.In this role, you will need a comprehensive understanding of the software development lifecycle (SDLC), where your technical experience will be pivotal for the governance of distributed architectures and the resilience of critical enterprise systems in international environments.

Join Our Innovative Team!At Cacheflow, we are on a mission to revolutionize the software purchasing experience. Our platform leverages cutting-edge technologies to empower software sellers to simplify and enhance the buying process for their customers.Our Technology Stack:We utilize AWS, Java, React, and TypeScript to build scalable solutions that drive our business forward.

Location: Remote - Anywhere (Open to applicants located anywhere around the globe.)Fueled is a premier digital strategy, design, and engineering agency with a team of over 300 talented individuals. We have successfully designed and developed a multitude of digital products and experiences for esteemed brands such as Google, Apple, The New York Times, ESPN, Victoria’s Secret, MGM Resorts, Albertsons, and CLEAR.As a Senior Full Stack Engineer, you will play a pivotal role in architecting, building, and scaling high-performance, accessible web applications that provide exceptional user experiences. You’ll be responsible for leading comprehensive solutions utilizing React, Next.js, and the Node.js stack, employing strong typing with TypeScript to develop robust data models, manage state, and design application architecture for intricate, business-centered interfaces.Your expertise will be instrumental in working with headless CMS platforms, implementing efficient caching mechanisms, integrating with existing APIs and services, and ensuring real-time, reliable functionality at scale. Your contributions will transform ambitious concepts into maintainable, future-proof systems that adapt to client needs, elevate quality and performance, and consistently yield measurable results.Our intentionally remote team, spread across six continents, thrives in a culture that prioritizes flexibility, creativity, and advanced technology. Together, we are redefining the future of digital experiences.

CSC Generation Enterprise (CSC) is a pioneering AI-driven platform that specializes in acquiring and revitalizing retail brands, transforming them into profitable, digitally-focused, consumer-centric enterprises. Our retail platform is strategically designed around our core M&A strategy, leveraging advanced automation and AI to enhance revenue growth, unit margin management, and other expert-level retail practices. We proudly own and operate over 10 diverse retail, eCommerce, and wholesale brands, including renowned names such as Sur La Table, Backcountry, and One Kings Lane. As a Senior Full Stack Engineer, you will collaborate with a dynamic team to develop cutting-edge microservices, intuitive business-facing dashboards, and engaging customer experiences. In this role, you will take ownership of the technical components of our various services hosted within our application cloud. We are dedicated to creating a suite of API- and SDK-first, composable services, with the goal of making our systems programmable and easily discoverable for other teams across the organization. If you have a passion for high-quality abstractions, robust systems design, and established patterns, we want you on our team.

Become a part of ShopMy – Shaping the Future of Digital MarketingShopMy is at the forefront of transforming e-commerce by establishing the foundation for human-led curation on a large scale.Our platform empowers brands to launch and scale impactful, performance-focused creator programs, enabling influential creators to monetize their influence and collaborate directly with their beloved brands. Through our innovative operating system, ShopMy facilitates consumers in discovering and purchasing the finest products from premium brands, influential tastemakers, and genuine human curation.Having recently achieved unicorn status with a valuation of $1.5 billion, backed by esteemed investors such as Bessemer Venture Partners, Avenir Growth Capital, and Bain Capital Ventures, we invite you to join us in redefining the future of curated commerce at the intersection of technology, culture, and taste.About the Role:We are on the lookout for a skilled and experienced Senior Full Stack Engineer to enhance our dynamic team. In this pivotal position, you will collaborate closely with our Director of Engineering on a diverse range of full stack initiatives, including API development, UI design, scaling data pipelines, and expanding our internal tools.Your Impact:Craft and implement APIs utilizing NodeJSDevelop and sustain user interfaces with React and ReduxGuarantee optimal performance, scalability, and maintainability of our platformDesign and optimize data pipelines and internal toolsDeploy production-ready projects on AWS using containerization, ALB, and ECSMonitor platform performance and apply necessary enhancementsUphold a high standard of code quality and structureYour Motivation:Having a substantial impact on our innovative platform to shape the future of influencer and affiliate marketingCollaborating with the Director of Engineering on the development and implementation of full stack projectsTackling complex technical challenges with clean, efficient, and scalable codeIdeal Candidate:Strong expertise in React, NodeJS, and Relational DatabasesThorough understanding of JavaScript nuances and best practicesIntermediate knowledge of UI design, including SCSS and animationsExperience deploying production-ready applications in cloud environments

About Poolside Poolside is working to advance Artificial General Intelligence (AGI) within this decade. The company focuses on applied research, strong engineering, and scalable infrastructure. By building advanced coding assistants and agentic systems, Poolside aims to improve the developer experience and deliver secure, enterprise-ready tools that drive real results for users. Team and Culture Poolside was founded in the US and now brings together people across Europe and North America. Team members gather in Paris each month for in-person collaboration. The group values hard work, curiosity, and a shared commitment to the mission. A low-ego, supportive environment helps everyone contribute to innovative software development and progress toward AGI. Role Overview: Full-Stack Engineer – Console Team The Console team builds the control plane and management interface that supports every Poolside deployment in client environments. As a Full-Stack Engineer, you will work closely with infrastructure and product engineering groups. Projects span backend systems, orchestration, and user-facing applications. This role plays a key part in strengthening the operational foundation of Poolside’s enterprise offerings. Location Remote (EMEA)

At ClassDojo, we are driven by a mission: to empower every child globally with an education they love. Our flagship app is recognized as the leading communication tool for K-12 educators, enabling seamless connections among teachers, students, and families. With over 45 million children engaged across 180 countries and a presence in over 95% of US schools, our small yet dedicated team of around 200 professionals is passionate about transforming educational experiences beyond traditional classroom settings.We pride ourselves on cultivating a culture rich in talent density, bringing together bright, innovative minds from diverse backgrounds in education and top-tier consumer internet firms, including Instagram, Netflix, Dropbox, Stripe, and Uber. Join us to contribute to a future where the most talented individuals thrive and make a difference in education.As a Senior Full-Stack Engineer, you will play a pivotal role in building robust systems that support our rapid expansion. You will engage with production code from day one in a collaborative pair programming environment, delivering impactful features that are utilized by millions of users daily. Your contributions will help us further enhance our engineering culture, characterized by rapid iteration, teamwork, and adherence to best practices, ensuring our codebase remains high-quality and reliable.

Job Title: Golang Full Stack DeveloperLocation: REMOTEExperience Required: 3+ YearsCompensation: $50 per hour on W2Join our dynamic team at Hudson Manpower as a Full Stack Developer specializing in Golang, React/TypeScript, Kafka, PostgreSQL, and Kubernetes. In this role, you will be instrumental in creating high-quality, scalable solutions that enhance healthcare technology, ultimately improving patient care and clinical processes.As part of a collaborative team, you will design and implement innovative backend services and engaging user interfaces, ensuring that our applications meet the highest standards of security, compliance, and performance in a healthcare setting.

Join Trust Wallet as a Senior Full Stack Engineer and be at the forefront of Web3 product innovation. We are seeking an experienced engineer who is passionate about building cutting-edge solutions in the decentralized finance space. You will collaborate with a diverse team of experts to design, develop, and implement scalable applications that enhance user experience.Your role will involve working with both front-end and back-end technologies, ensuring seamless integration of various components. You will also have the opportunity to contribute to open-source projects and engage with the community to drive innovation.

Location: Remote - EUAbout The Role:At Auditdata, we are pioneering AI-driven solutions such as real-time transcription and automated documentation, enabling hearing care professionals to dedicate more time to patient care and less time to administrative tasks.We are seeking a Senior Full Stack Engineer to join our AI Services team, where you will be instrumental in developing and integrating innovative AI-powered features into our cloud-based platform. Your daily tasks will encompass the complete stack, including .NET backend services, React frontends, REST APIs, event-driven microservices, and Azure integrations.This position is tailored for engineers who prioritize production quality and aspire to make a tangible impact in the healthcare field.Tech Environment:C#, .NET, React, Azure Services, AKS, Service Bus, Azure SQL, Azure DevOps (with an increasing incorporation of Python for AI tooling and experimentation).Key Responsibilities:Develop and sustain full stack features from inception to deployment: .NET backend services and React frontends that seamlessly integrate AI capabilities into clinician workflows.Incorporate AI components (e.g., speech-to-text, LLM services) into our platform, ensuring reliable performance in production through effective plumbing, error handling, and user experience considerations.Design and execute REST APIs, event-driven services, and microservice architectures within our Azure-hosted ecosystem.Write maintainable, testable code while contributing to CI/CD pipelines, observability, and engineering quality practices.Collaborate closely with the Team Lead, fellow engineers, and Product teams to break down requirements, estimate work, and deliver iteratively.Actively participate in a remote scrum team, engaging in sprint ceremonies, PR reviews, and knowledge sharing.Key Competencies and Expertise:5+ years of experience with C# and modern .NET (.NET Core / .NET 6+)3+ years of experience building frontends with React (TypeScript preferred)Proficiency in backend patterns: REST APIs, asynchronous messaging, microservicesCloud experience (preferably Azure) and solid engineering fundamentals (clean design, testing, CI/CD)Able to work independently in a remote, asynchronous-friendly environmentStrong communication skills in English (B2+)Nice-to-haves:Familiarity with Python or willingness to learn it over time (as AI tooling, evaluation, and prototyping increasingly rely on Python)Experience with AKS/Kubernetes, Azure Service Bus, etc.

Join tailor as a Full-Stack Software Engineer and be part of a dynamic team that is shaping the future of technology. In this role, you will leverage your expertise in both front-end and back-end development to create innovative solutions that enhance user experiences. Collaborate with cross-functional teams to deliver high-quality software products in a fully remote environment.

FULL STACK ENGINEER (Contract) Location: Remote - Argentina, Brazil, Colombia, Chile, Mexico, Dominican Republic, Spain, Peru About Counterpart Counterpart is an innovative insurtech platform that is redefining management and professional liability within today's dynamic workplace. We believe that businesses empowered with clarity and confidence can navigate challenges with resilience and innovation. Our groundbreaking Agentic Insurance™ system combines advanced AI technology with deep insurance knowledge to proactively assess, mitigate, and manage risks. Supported by A-rated carriers and trusted by brokers nationwide, our platform enables small businesses to thrive with assurance. Join us in creating a smarter future, helping businesses Do More With Less Risk®. Role Overview As a Full Stack Software Engineer at Counterpart, you will play a pivotal role as a cross-functional contributor, utilizing AI throughout your development process to enhance business and product insights. Your mission will be to bridge the areas of Product, Insurance, Data, and AI to create a cohesive platform experience. We seek a proactive team member who embraces learning, harnesses AI for innovative solutions, and contributes positively to our collaborative culture. Your engineering contributions will be instrumental in shaping our technological landscape. Our AI-Driven Culture At Counterpart, AI is integral to our operations, not just an optional tool. We expect our engineers to incorporate AI technologies throughout their workflow: from problem analysis and architectural design to code generation, testing, and documentation. If you still rely heavily on manual coding or see AI merely as a code completion tool, this might not be the right position for you. We're on the lookout for engineers who leverage AI to expand their thinking, accelerate delivery, and uphold high-quality standards. You utilize AI to explore various solution avenues before coding. You depend on AI for generating substantial portions of your code, allowing you to focus on architecture, review, and problem-solving. You have witnessed significant productivity enhancements through AI-assisted development while maintaining quality. You consider AI coding tools as essential as your IDE or version control. Key Projects You Will Contribute To Modernizing Insurance Application Workflows: You will help upgrade our Django system to streamline and automate operational processes.