Senior Full Stack Engineer

Trullion is revolutionizing the accounting world with its AI-powered platform designed for finance teams, accountants, and auditors. By automating financial workflows, Trullion increases efficiency, prevents costly oversights, and drives collaboration. Our mission is to build accounting and audit technology that people love, making the industry more efficient, transparent, and human-oriented. Established in 2019, Trullion is headquartered in New York, with offices in Tel Aviv and London. We are backed by Aleph, Third Point Ventures, Greycroft, StepStone Group, and leading global CFOs and global accounting firms, offering a customer-centric experience from speedy implementation to a convenient managed service model.

At Trullion, we think big, fostering an environment where ambitious ideas and growth are encouraged. We are committed to truth, ensuring honesty and transparency in all our actions. Hiring diverse talent is key to our values, as we believe that diversity cultivates a culture of innovation. Our supportive culture is dedicated to being on your side, offering excellent work-life balance, personal development opportunities, and comprehensive benefits to our employees and clients.

As Trullion continues to grow, we’re looking for a Senior Full Stack Engineer to design and build scalable backend services, craft modern frontend experiences, and integrate AI-driven capabilities into our systems. This role involves end-to-end ownership across the stack, from architecture and data pipelines to user-facing features and LLM-powered intelligence.

Responsibilities:

• Design, build, and maintain high-quality web applications across the stack, developing responsive frontend components in React and scalable backend services in Python (Django/DRF), with a strong emphasis on performance, maintainability, and user experience.
• Lead the integration of AI-powered features, including LLM-based capabilities, into user-facing products through effective prompt engineering and system design.
• Own architectural and tooling decisions, contributing to long-term technical planning, system scalability, and engineering best practices.
• Collaborate cross-functionally with Product, Design, and Engineering to deliver features that are both functional and delightful, aligning technical solutions with business goals.
• Write clean, testable, and reusable code, contribute to shared libraries and frameworks, and help shape a high-ownership engineering culture in a fast-paced environment.

Requirments:

• 6+ years of experience in full-stack development, with a strong track record of building and scaling production systems end-to-end.
• Proficiency in Python (backend) and React (frontend), including designing scalable APIs, background processes, and user-facing applications.
• Hands-on experience with system and database design (SQL/NoSQL), including optimization for performance, data integrity, and scalability.
• Experience integrating LLMs or AI-powered features into applications, including practical understanding of prompt engineering.
• Strong communication and teamwork skills, with the ability to take full ownership of features from design to deployment.

About Us:

We embrace our core values in everything that we do:

• Think BIG. We are ambitious, proactive, and we love challenging the status quo.
• Live by Truth. We uphold the highest standards of accuracy and accountability.
• On Your Side. We are on this journey together and want to collaborate and empower each other to succeed.
• Committed. Committed to execution. Committed to delivery. Committed to excellence.