Senior Full-stack Engineer (React, Node.JS)

Our client is developing the first AI-native accounting platform tailored for the oil & gas industry. The platform provides real-time financial visibility and integrates seamlessly with legacy energy systems. It is being built from scratch and focuses on enabling zero-day month-end close, always audit-ready compliance, intuitive document handling, and one-day business process implementation. The MVP will include deep integrations with key oil & gas systems, support for historical data migration, and automation of revenue accounting workflows using AI.

Your area of responsibility

• Building a scalable and maintainable codebase from the ground up;
• Designing and implementing backend APIs and frontend interfaces;
• Integrating with industry-standard oil & gas systems and internal AI services;
• Modeling relational data and managing complex data structures;
• Leading and mentoring junior developers in best practices;
• Participating in architecture planning and deployment workflows;
• Collaborating with the product team to deliver and iterate on MVP functionality.

Skills and requirements

• 5+ years of experience in full-stack development;
• Hands-on experience with autonomous development workflows, where AI coding tools implement significant parts of the solution under the engineer’s supervision, while the engineer ensures architecture, code quality, validation, and production readiness;
• Strong expertise in JavaScript/TypeScript, React, Next.js, and Tailwind CSS;
• Proven experience with relational databases and data modeling, preferably PostgreSQL/Supabase;
• Familiarity with containerization and cloud deployment, including Docker, Railway, and GitHub workflows;
• Experience working with authentication systems, such as Supabase or Azure Entra ID;
• Strong communication skills and the ability to work independently in a remote-first team;
• Upper-intermediate English level or higher.

Will be a plus

• Experience in early-stage startup or greenfield development projects;
• Understanding of AI tools and APIs (e.g., Gemini API, DeepEval);
• Familiarity with accounting systems or finance-related applications;
• Experience with E&P (Exploration & Production) software integrations or Oil & Gas tech stack;
• Exposure to document processing (OCR/NLP) and automation.

We offer

• Working in a team of talented and passionate engineers;
• Opportunity to work with the most trending technologies;
• Long-term enjoyable cooperation;
• Personal legal support;
• English classes;
• Paid vacation and sick days;
• Competitive salary depending on your own talents;
• Regular performance & career development reviews;
• Team building events.