Senior Software Engineer (Node & React, Headless API)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer (Node & React, Headless API) based in Romania.

This is a senior engineering opportunity for an experienced individual contributor who wants to have substantial ownership over a stable, developer-first SaaS platform.
You will work hands-on across backend and frontend technologies while shaping APIs, architecture, integrations, and core product capabilities.
The role combines daily coding with technical leadership, pragmatic architectural decisions, and close collaboration with business and product stakeholders.
You will help expand a headless API platform that enables developers to integrate social media capabilities across multiple networks.
Your early impact will include launching a new advertising integration, connecting the platform with emerging AI development tools, and strengthening the core platform.
You will join a small, experienced, remote-first engineering team where autonomy, speed, quality, and reliability are highly valued.
This is an ideal role for a senior engineer who enjoys solving complex technical problems, influencing architecture, and delivering meaningful production-ready features.

• Write production-quality code daily, leading by example and maintaining high standards across development practices.
• Design, build, and maintain scalable, fault-tolerant systems and APIs.
• Own critical areas of the technical landscape and contribute to the continued evolution of the platform architecture.
• Lead the development and launch of new product capabilities, including major third-party integrations.
• Drive the implementation of an Instagram Ads integration as part of the core product.
• Explore and integrate emerging AI development and coding platforms to expand product capabilities.
• Continuously improve the core platform while protecting its high availability, stability, and developer-first experience.
• Collaborate closely with business leadership and the CEO to translate product strategy into practical technical execution.
• Make pragmatic, risk-aware engineering decisions that balance innovation, delivery speed, maintainability, and uptime.
• Investigate and resolve customer issues in collaboration with the wider engineering team.
• Contribute to software quality practices, including testing, CI/CD, documentation, and reliable release processes.
• Provide technical guidance and architectural input within a small, senior engineering environment.

Requirements

• 8+ years of professional software engineering experience, with demonstrated impact in senior-level roles.
• Strong expertise in software design and architecture, cloud infrastructure, distributed systems, and scalable application development.
• Hands-on experience with Node.js, React, Firebase, and API development.
• Strong understanding of headless, API-driven architectures and production-grade software systems.
• Experience building scalable and fault-tolerant applications with a strong focus on reliability and performance.
• Solid knowledge of software quality practices, including automated testing, CI/CD, documentation, and maintainable development processes.
• Interest in emerging AI development platforms and coding tools, with enthusiasm for exploring how they can enhance software products and engineering workflows.
• Strong problem-solving abilities and a pragmatic approach to engineering, with the judgment to balance speed, quality, technical debt, and business priorities.
• Excellent communication and collaboration skills, particularly in a distributed and asynchronous working environment.
• Comfortable working independently, taking ownership of complex technical challenges, and making decisions without excessive bureaucracy or supervision.
• A strong product mindset and the ability to translate business objectives into robust technical solutions.

Benefits

• 100% remote work: Flexibility to work from anywhere in an eligible location and structure your schedule around your needs.
• High autonomy: A high-trust environment with the freedom to experiment, make decisions, and take meaningful ownership.
• Lean processes: Minimal bureaucracy so you can focus your time and energy on building and shipping impactful software.
• Small and collaborative team: Work alongside experienced colleagues in a supportive environment focused on knowledge sharing and teamwork.
• Global SaaS community: Access to a broader international community of 350+ SaaS professionals across more than 20 brands.
• Flexible time off: Time away from work to recharge and maintain a sustainable work-life balance.
• Remote-first culture: Work in an environment designed around distributed collaboration and asynchronous communication.
• Competitive, location-adjusted compensation: Salary is aligned with local market benchmarks for remote-first roles, with the range communicated before the first interview.
• Inclusive workplace: A diverse environment that values different perspectives, backgrounds, and approaches to problem-solving.
• Opportunity for impact: Join a growing SaaS environment where experienced engineers have meaningful influence over technology, architecture, and product direction.