Staff FullStack Engineer - Javascript

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff FullStack Engineer - JavaScript in UK. In this role, you will lead the design and delivery of a greenfield financial subsystem that enables property managers to maintain accurate, compliant, and reliable trust accounting. You will work across the full stack, from React-based frontend development to backend data integration, influencing architecture, processes, and delivery from day one. This position offers the opportunity to set technical standards, champion engineering best practices, and ensure financial correctness at scale. You will collaborate closely with cross-functional teams, balancing hands-on development with mentorship and technical leadership. The environment is fast-paced, remote-friendly, and centered on high-quality, resilient software that directly impacts customers’ operations. This is ideal for someone who thrives in ownership-driven roles and wants to make a tangible impact on product reliability and compliance. Accountabilities

• Lead the architecture and development of a greenfield trust accounting subsystem, delivering a high-quality MVP and subsequent versions.
• Implement a flexible, white-label React application integrated with backend systems for data processing and reporting.
• Ensure secure, scalable, and auditable financial operations that comply with regulatory and accounting standards.
• Refine engineering processes to improve delivery speed, system reliability, and team autonomy.
• Establish and maintain CI/CD pipelines for frontend and backend systems to support independent deployments.
• Provide technical guidance across teams, fostering transparency, accountability, and high-quality code standards.
• Collaborate with Finance, Product, Legal, and Engineering teams to ensure seamless integration and operational reliability.

Requirements

• 8+ years of experience as a FullStack Engineer, including at least 2 years at a Staff Engineer or equivalent level.
• Deep expertise in JavaScript/TypeScript and Node.js , with strong frontend experience using React.
• Proven experience architecting and developing white-label or multi-tenant solutions.
• Solid foundation in software engineering principles, including writing production code and contributing to architecture discussions.
• Experience in SaaS or platform-focused engineering teams is preferred.
• Strong collaboration and communication skills, particularly in distributed or remote teams.
• Comfortable working in agile environments with shifting priorities and cross-functional stakeholders.
• Experience with accounting, ledger systems, or financial software is a significant plus.

Benefits

• Competitive market-based compensation.
• 100% remote work with flexibility to work from anywhere within France.
• Equity options to share in the company’s growth and success.
• Career development opportunities with professional growth and advancement paths.
• Annual paid leave and country-specific benefits including health insurance and pensions.
• Inclusive, international team culture with colleagues across 40+ countries.
• Dynamic, values-driven environment that emphasizes ownership, quality, and innovation.

Why Apply Through Jobgether? We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.