SPACE44 logo
SPACE44

Empowering innovators with expert engineers and HR solutions for growth in dynamic remote settings.

Senior Fullstack Developer (Freelance, Remote)

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 11-50Since 2017H1B No SponsorCompany SiteLinkedIn

Location

United States + 6 moreAll locations: United States | Albania | Bosnia And Herzegovina | Croatia | Poland | Portugal | Serbia

Posted

58 days ago

Salary

0

Seniority

Senior

Job Description

Senior Fullstack Developer (Freelance, Remote)

SPACE44

Senior Fullstack Developer Company Overview SPACE44 builds and operates software systems for companies that need technology to work reliably in real, day-to-day operations. We work as long-term engineering partners, embedding experienced engineers into client environments and taking responsibility for execution, stability, and ongoing improvement of production systems. Our work goes beyond traditional staffing or project delivery — we operate the systems we help build. SPACE44 is a remote-first company. We value clear ownership, practical problem-solving, and engineers who are comfortable running real systems in production. Who We Are Looking For We are looking for a Senior Fullstack Developer to join a client project building and maintaining enterprise web applications. This is a hands-on delivery role with ownership across the fullstack, from backend APIs and data layers to responsive frontend interfaces. You will work as part of a distributed team with clear accountability for end-to-end feature delivery. What You'll Do - Design, build, and maintain backend services and REST APIs using Node.js - Develop and maintain frontend applications using React and TypeScript - Own features across the full stack — from database schema to UI interaction - Work with relational and/or document databases (PostgreSQL or MongoDB) - Integrate frontend components with backend services and third-party APIs - Write clean, well-documented, and testable code across both layers - Conduct code reviews and provide constructive feedback to peers - Participate in Agile/Scrum processes including sprint planning and daily standups - Communicate proactively with team members and client stakeholders - Log time accurately and maintain clear documentation of work progress Requirements - 8+ years of professional experience in fullstack development - Strong backend experience with Node.js in production environments - Expert-level React.js with a track record of complex frontend delivery - Strong proficiency in JavaScript (ES6+) and TypeScript across frontend and backend - Hands-on experience with PostgreSQL or MongoDB - Solid understanding of REST API design and integration patterns - Solid CSS skills including SCSS/SASS - Experience with state management (Redux or Context API) - Proficiency with Git version control - Track record of reliable, consistent delivery in remote teams - Strong ownership mentality — you deliver what you commit to - Comfortable with structured processes and daily reporting - Business-fluent English (written and verbal) Nice to Have - Next.js - AWS or cloud platform experience - CI/CD pipelines - Docker - Jest or React Testing Library Embark on your SPACE44 journey with a few simple steps - Hireflix Chat (20 min): Share how you work and what matters most to you - HR Sync (45 min): Connect your experience with our goals - Code Challenge: Complete a 1-2 hour coding session - Psychometric Insight: Take a 1-hour assessment exploring your strengths and working style Working Model and Benefits - Flexible Work Schedule: Enjoy a non-linear workday designed to enhance productivity and maintain a harmonious work-life balance, with core hours for team collaboration - Professional Growth: Access training opportunities to boost your career prospects - Innovative Projects and Tools: Engage in cutting-edge projects using the latest tools and technologies within a progressive remote work environment - Competitive Income: Receive competitive compensation with regular performance reviews and potential raises every six months - Global Team Dynamics: Collaborate with a diverse, international team that values openness and teamwork - Fully Remote Environment: Work from anywhere with normal business hours and flexibility, no on-call rotation - Gradual Onboarding: Start with a planned transition as you get up to speed with our systems and processes

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