Senior Full Stack Developer I

Intellectsoft is a pioneering software development firm that has been at the forefront of delivering cutting-edge solutions since 2007. We proudly serve clients across North America, Latin America, the Nordic region, the UK, and Europe, specializing in sectors such as Fintech, Healthcare, EdTech, Construction, and Hospitality. Our collaborations span startups, mid-sized enterprises, and Fortune 500 companies, all aimed at driving innovation and scalability. Notable clients include Jaguar Motors, Universal Pictures, and Harley-Davidson, where our dedicated teams consistently make a significant impact. Discover more at www.intellectsoft.netOur client, a leading international health products company based in the United States, has been thriving in the market for over 30 years, boasting an impressive annual revenue exceeding $1.5 billion. They utilize a sophisticated e-commerce platform combined with multi-level marketing to reach a vast user base globally.

Join our dynamic team at Alabama Solutions as a talented Shopify Full Stack Developer. In this fully remote role, you will be at the forefront of designing and implementing engaging in-store experiences via the Shopify Point of Sale (POS). We are seeking a developer with extensive expertise in Node.js and React, who is passionate about tackling real-world retail challenges. Your contribution will be critical in connecting e-commerce and brick-and-mortar operations through custom POS UI extensions and seamless third-party service integrations. As a vital part of our engineering team, you will ensure our POS solutions are efficient, dependable, and finely tuned to meet our clients' business objectives.Key ResponsibilitiesDesign, develop, and sustain high-quality, reusable, and efficient Shopify POS applications.Create tailored UI Extensions using the Shopify POS UI Extensions SDK to enhance in-store workflows.Incorporate server-side logic and integrate third-party services with POS frontend components.Work collaboratively with project managers, frontend developers, and clients to define and fulfill technical and business requirements for retail settings.Conduct thorough testing and debugging across various devices, including physical Shopify POS hardware.Produce clean, well-documented code and create reusable libraries for future projects.Stay informed about emerging technologies and updates within the Shopify POS ecosystem.Resolve complex issues in live retail environments, ensuring minimal disruption to operations.

Remote (US) | Full-timeJoin a Dynamic Team Powering Global Artist StorefrontsBecome part of a passionate team dedicated to building high-traffic Shopify platforms for top-tier music labels, creating vibrant merchandise and digital experiences for internationally celebrated artists.As a Senior Shopify Full-Stack Developer, you will contribute to a Shopify-first eCommerce stack utilized by millions of users globally, crafting scalable and high-performance solutions that enhance how fans connect with artist brands.This position involves working on a robust eCommerce platform focused on merchandise and digital products, designed for optimal scale, performance, and worldwide reach.You will thrive in a complex, high-load environment where engineering excellence, performance, and scalability are paramount.Your Role in Our TeamJoin a Shopify-first eCommerce agencyCollaborate within cross-functional pods of 6–7 members (engineering, design, product)Be part of a dynamic team of approximately 30–40 professionalsWork in an Agile, ownership-driven cultureKey ResponsibilitiesAs a Senior Shopify Full-Stack Developer, you will:Design and maintain high-performance Shopify storefrontsDevelop scalable Shopify themes and reusable componentsEngage with the Shopify ecosystem including themes, apps, extensions, Functions, and PixelsContribute to headless or hybrid Shopify architecturesCreate clean, maintainable frontend and backend solutionsCollaborate effectively with product, design, and architecture teamsEnsure the performance, scalability, and maintainability of systemsSupport CI/CD and modern development workflowsYour QualificationsWe are looking for a candidate with a strong hands-on background in Shopify development:8+ years of experience in full-stack development, specifically within the Shopify ecosystemProficiency in both frontend and backend technologiesStrong problem-solving skills and a passion for tackling complex technical challenges

About HuzzleAt Huzzle, we excel in connecting exceptional B2B sales professionals with leading companies around the world, including the UK, US, Canada, Europe, and Australia. We collaborate with a diverse range of clients, such as startups, digital agencies, and tech platforms across sectors like SaaS, MarTech, FinTech, and EdTech. Our mission is to match high-caliber sales talent with full-time remote opportunities, where they integrate seamlessly into client teams and receive continuous support from Huzzle.Position OverviewWe are in search of a talented Full Stack Web Developer located in the United States to oversee and implement all facets of website and CRM development. This opportunity is perfect for a technically adept individual with extensive experience in WordPress, Shopify, and CRM platforms like HubSpot and HighLevel. The ideal candidate thrives in a dynamic work environment and is dedicated to delivering high-quality results consistently and punctually.Your primary responsibilities will include building, optimizing, and maintaining websites and CRM systems that significantly influence marketing performance, lead generation, and sales operations.Key ResponsibilitiesDesign, customize, and sustain high-performing websites utilizing WordPress and Shopify.Develop and manage CRM solutions and automations with HubSpot, HighLevel, and other related tools.Ensure that websites are responsive, SEO-optimized, and conversion-oriented.Integrate CRM systems with websites, landing pages, and marketing automation platforms.Oversee technical implementations from initial planning through to deployment.Deliver projects within deadlines while adhering to high standards of quality and detail.Efficiently troubleshoot and resolve technical challenges.Collaborate with marketing and sales teams to enhance funnels and improve customer journeys.Maintain comprehensive documentation and ensure a scalable system architecture.QualificationsMust-Haves:A robust portfolio showcasing website and CRM development projects.Advanced expertise in WordPress and Shopify development.Hands-on experience with HubSpot, HighLevel, or comparable CRM platforms.Proven capability to manage full-stack development tasks autonomously.Deep understanding of website performance, UX/UI best practices, and SEO principles.Exceptional time management skills with a strong ability to meet deadlines.A proactive approach to communication and problem-solving.Nice to Have:Advanced CRM automation knowledge.

Join Our Team at HuzzleAt Huzzle, we specialize in connecting exceptional B2B sales professionals with innovative companies across the globe, including the UK, US, Canada, Europe, and Australia. Our diverse clientele encompasses startups, digital agencies, and technology platforms spanning various sectors such as SaaS, MarTech, FinTech, and EdTech. We pride ourselves on matching top sales talent with full-time remote roles, providing them with direct integration into client teams and ongoing support from Huzzle.Position OverviewWe are seeking a talented Full Stack Website Developer based in the United States who will play a vital role in designing, optimizing, and maintaining websites and CRM systems across multiple platforms. This is a hands-on position ideal for individuals who thrive in high-energy environments and are committed to delivering exceptional results with urgency and meticulous attention to detail.Your primary responsibility will be to oversee comprehensive website and CRM development projects, ensuring timely completion and alignment with functional and user-friendly design principles that meet our clients' business objectives. This role is perfect for a proactive developer who possesses robust platform expertise, a polished portfolio, and outstanding communication abilities.Key ResponsibilitiesDevelop, customize, and maintain websites using platforms such as WordPress and Shopify.Manage CRM configurations, customizations, and integrations using tools like HubSpot and HighLevel.Oversee full-cycle website and CRM development from initial planning to final launch.Ensure project timelines are met while adhering to high standards of quality, performance, and usability.Quickly troubleshoot bugs and technical issues, ensuring effective resolution of integration challenges.Collaborate closely with internal stakeholders to identify business needs and translate them into effective technical solutions.Enhance website performance by optimizing for speed, responsiveness, SEO, and conversion rates.Maintain transparent communication regarding progress, blockers, timelines, and deliverables.QualificationsEssential Qualifications:Must be located in the United States.Demonstrable experience as a Full Stack Developer, Website Developer, or similar roles.Extensive hands-on experience with WordPress, Shopify, HubSpot, and HighLevel.Proven track record of managing both website and CRM development projects.Strong portfolio showcasing high-quality website and/or CRM projects.Excellent time management skills and the ability to work efficiently without compromising quality.A keen eye for detail, functionality, and user experience.Comfortable working within the EST timezone.

Join our dynamic team at StemXpert1 as a Senior Full Stack Developer specializing in .NET technologies. In this pivotal role, you will lead the development of innovative web applications, collaborating closely with cross-functional teams to deliver high-quality software solutions. Your expertise in both front-end and back-end technologies will be essential in driving our projects to success.

Join the Revolution at ALSO.At ALSO, a pioneering electric mobility company born from Rivian's vision, we are a dedicated team of innovators and builders committed to revolutionizing the way people commute. We specialize in designing innovative and affordable small electric vehicles (EVs) that tackle the mobility challenges of today and tomorrow. Our mission is to inspire a shift from traditional transportation to our efficient and delightful e-bikes, significantly reducing reliance on conventional cars and trucks.Be part of a transformative phase in our journey! As an early member of our dynamic team, you will be instrumental in crafting the digital experience for our cutting-edge connected e-bike product. This is your chance to make a mark in a fast-paced startup environment, where your input will shape critical user experiences. You will collaborate closely with a passionate team to create a premium customer journey from purchase to ride, and enjoy the freedom to design scalable systems while growing with our evolving company.

AnaVation LLC is seeking a Senior Full Stack Developer to join its technical team in Chantilly, VA. This hybrid position focuses on building and enhancing a Digital Evidence Management System, with most work performed remotely and one day each week on-site at either the Chantilly office or a client location in Woodbridge, VA. Candidates must be able to complete a high-risk public trust background investigation. Role overview This role centers on developing scalable, data-driven applications that meet important business and mission requirements. The Senior Full Stack Developer will work closely with cross-functional teams to design, build, and maintain data pipelines, APIs, and analytical tools. The technology stack includes Java with Spring, JavaScript with React, and relational databases. Main responsibilities Design and build software systems that improve the collection, management, and analysis of digital evidence. Develop tools to automate and integrate data processes, aiming to enhance system performance. Document development work to support ongoing operations and future scaling. Update and improve existing tools as project goals and requirements evolve. Create custom solutions to address complex investigative workflows. Offer technical guidance for ongoing forensic and investigative projects. Requirements Experience with Java/Spring, JavaScript/React, and relational databases. Ability to collaborate with cross-functional teams. Eligible to complete a high-risk public trust background investigation. Willingness to work on-site in Chantilly, VA or Woodbridge, VA one day per week.

Medical Informatics Engineering (MIE) is looking for a Senior Full-Stack Developer to play a pivotal role in enhancing our occupational health platform. This innovative system seamlessly connects employers, healthcare providers, and employees through a robust and secure API layer. In this position, you will engage in full-stack development, crafting scalable services and standardized APIs that are essential to BlueHive’s API-first architecture, aiming to revolutionize occupational healthcare akin to the impact of DoorDash Drive and Stripe. Your responsibilities will include designing and implementing OpenAPI-defined endpoints using Fastify, utilizing tools like Stainless to generate software development kits (SDKs) in languages such as TypeScript and Python, while ensuring smooth integrations with various HRIS, ATS, and EHR platforms. In addition to backend development, you will enhance the user experience on the web through technologies such as TypeScript, React 19, TailwindCSS, and MongoDB. Collaborating closely with product, design, and DevOps teams, you will deliver clean, reliable, and test-driven code. We are particularly interested in developers who embrace AI-assisted development. Ideal candidates will be skilled in utilizing tools like GitHub Copilot, Cursor, or OpenAI Codex, possess a solid understanding of prompt design, and be adept at collaborating effectively with AI coding agents to boost productivity without sacrificing quality. If you are an adaptable engineer who thrives in autonomous environments, values exemplary API design, and seeks to standardize occupational health service connections across the industry, we invite you to apply.

Join Northstrat as a Senior Full Stack Developer and play a pivotal role in developing innovative Mission Management web applications for the Intelligence Community. We are looking for a proactive and experienced individual who excels in both back-end and front-end technologies, possessing a deep understanding of various programming languages and frameworks. As a self-starter, you will be responsible for transforming abstract tasks into high-quality software solutions.Your work will involve leveraging cloud-based microservices architecture within the Williamsburg and Epsilon programs. Key responsibilities include:Developing robust back-end services using Java, JEE, and REST web services.Collaborating with cross-functional teams to define, design, and implement new features.Creating detailed specifications and writing efficient software code.Engaging with system engineers and subject matter experts to gather functional requirements.Designing and executing unit and integration tests while facilitating formal testing processes.Contributing to user training manuals and documentation.Staying updated on technical changes and application features.Applying Agile methodologies to enhance development processes.Participating in code reviews, testing, and debugging to ensure software quality.Influencing architectural decisions and contributing to the evolution of our technology stack.

WHO WE AREAt Davis Technology Management, we are a thriving technology firm specializing in IT staffing, technology consulting, and managed IT services. Our mission revolves around creating innovative technical and staffing solutions that not only empower businesses but also stimulate growth. We pride ourselves on our strong foundation rooted in core values, driven by a team dedicated to connecting cutting-edge IT solutions with businesses navigating the complexities of the digital landscape.Our commitment to exceeding expectations allows us to create RAVING FANS among our clients and within our team.About UsDavis Technology Management collaborates with organizations across the United States to design, build, and support advanced technology solutions. Our offerings encompass technology consulting, IT staffing, and managed services, assisting clients at pivotal stages of their development.Our straightforward mission: to generate RAVING FANS through exceptional execution, accountability, and results.We seek engineers who take ownership, tackle real-world challenges, and uplift their teams.The RoleWe are in search of a Senior Full Stack Developer with extensive experience in building real-world applications, who understands the intricacies of designing, delivering, and maintaining systems that are essential for users.This role is not confined to narrow responsibilities.You will be entrusted with significant technical responsibilities, including designing solutions, building them, enhancing them, and providing support in live environments.Your work will focus on modern applications operating in cloud-native environments, where performance, scalability, and reliability are paramount.This position is perfect for engineers who:• Take pride in their contributions• Have experience in production environments• Comprehend the entire application lifecycle• Are dependable team membersYour Responsibilities• Develop and enhance applications utilized in real business scenarios• Engage with both front-end and back-end components• Design and support applications hosted in AWS environments• Take ownership of problems until resolution, rather than merely implementing solutions• Enhance existing systems and assist in the design of new ones• Diagnose production issues and implement sustainable fixes

DistantJob is seeking a Senior Enterprise Full Stack Developer for a fully remote role. This position centers on designing and building scalable web applications that support client needs across various industries. Role overview As a Senior Enterprise Full Stack Developer, the focus is on both front-end and back-end development. Projects often involve collaborating with colleagues from different backgrounds and specialties. The goal is to deliver reliable, maintainable solutions that help clients achieve their objectives. What you will do Design and develop scalable web applications for enterprise clients Work closely with a distributed team of professionals Contribute to solving technical challenges and improving project outcomes Location This is a fully remote position with collaboration across time zones and regions.

Join our innovative team at Pattern Inc. as a Senior Shopify Developer, where you will play a pivotal role in building and enhancing our e-commerce platforms. We are seeking a talented developer who is passionate about creating seamless shopping experiences and has a strong background in Shopify development.Your expertise will help us deliver high-quality solutions that meet our clients' needs. If you are looking for a challenging role that combines creativity with technical skills, we want to hear from you!

ERG seeks a Senior Full Stack Developer to join its digital solutions team in Concord, MA. This group delivers technology solutions for a variety of clients and projects, requiring both technical depth and creative thinking. The environment values adaptability and collaboration as project needs evolve. What you will do Build and support digital solutions for federal, state, and commercial clients Tackle technical challenges using both independent problem-solving and teamwork Work in a setting where project priorities may change Requirements Professional experience as a full stack developer Strong interest in technology and software development Ability to solve complex problems both independently and with a team Comfort with shifting priorities Application instructions To apply, send a resume and cover letter, along with links to your LinkedIn profile, code repository, and any relevant portfolio or code samples. Location This role is based in Concord, MA.

Join Nagarro as a Senior .NET Full Stack Developer and contribute to innovative projects that leverage cutting-edge technologies. In this fully remote role, you will collaborate with a diverse team of engineers, tackling complex challenges and delivering high-quality software solutions.

Join our dynamic team at upkoi-inc as a remote Senior Full Stack .NET Developer. We are seeking a skilled mid to senior-level developer proficient in C#/.NET to contribute to our innovative projects. Your role will involve the development of top-tier solutions, with a focus on building impactful applications for social good.Initially, you will engage in high-stakes work on a significant project aimed at making a positive difference in the world. Your individual contributions will be crucial to our success.While our long-term vision revolves around artificial general intelligence, direct machine learning expertise is not a requirement for this position, though familiarity is a plus.

OverviewWe are seeking a highly skilled and motivated Senior Full Stack Developer to join our Technical Services team at cctalent. As a vital contributor, you will report directly to the Technical Services Director (TSD) and play a crucial role in managing both backend and frontend systems, websites, and APIs. The ideal candidate will demonstrate exceptional technical prowess as well as strong business English communication skills, with a focus on delivering results and facilitating project success.About Uscctalent is a premier talent recruitment platform dedicated to serving the North American market. We pride ourselves on building and maintaining our own innovative platform, which bridges the gap between our team and our clients. Our commitment to delivering high-quality, cutting-edge solutions sets us apart in the industry.Key ResponsibilitiesDesign, develop, and enhance web applications using Classic ASP, JavaScript/jQuery, MS SQL Server, .NET 6 and above, Open API, and AWS.Collaborate with team members to ensure the timely and high-quality delivery of all projects.Adhere to best practices in coding, testing, and deployment protocols.Offer technical support and troubleshooting for existing applications.Maintain effective communication with team members and stakeholders, including executives.

Join our dynamic team as a Senior Full Stack Developer!We are looking for an experienced developer with a passion for coding and problem-solving to help us build robust applications. This is a contract-to-hire position located in Foster City, CA, with an emphasis on creating innovative solutions.

Join Our Team as a Senior Full Stack DeveloperLocation: Austin, TXSchedule: Full-time | Hybrid (2-3 days in office)Work Authorization Notice: Currently, we are unable to provide immigration sponsorship for this role. Candidates must have current, unrestricted authorization to work in the country where the position is based.About TogetherworkTogetherwork is a dynamic SaaS company with a recurring revenue model of $250 million, offering over 33 software applications across 12 diverse vertical markets. Our mission is to empower communities, organizations, and businesses by providing purpose-driven software tailored to their operational needs.Based in the vibrant South Congress area of Austin, TX, Togetherwork is on a rapid growth trajectory. We pride ourselves on being customer-centric, execution-focused, and committed to operational excellence. Our culture emphasizes accountability, collaboration, and continuous improvement, with leaders expected to foster clarity and momentum in complex projects.Role OverviewAs a Senior Full Stack Developer at Togetherwork, you will be responsible for designing, building, and maintaining scalable SaaS applications utilizing a modern technology stack. You will engage with both front-end and back-end systems to deliver secure, reliable, and high-quality features that create genuine value for our customers.Your collaboration with Engineering, Product, and QA teams will be crucial in translating requirements into well-structured solutions. With a strong emphasis on clean code, best practices, and ongoing enhancement, you will ensure our platforms remain performant, maintainable, and ready for scale.Key ResponsibilitiesDesign, develop, and maintain features for our SaaS applications.Build and support both front-end and back-end components using modern frameworks.Write clean, reusable, and well-documented code to facilitate future development.