Senior Full Stack Engineer

Trullion is transforming the accounting world with an AI-powered platform built for accountants and auditors. Our technology automates complex financial workflows, boosts efficiency, reduces costly errors, and fosters real collaboration. Founded in 2019, Trullion is on a mission to make accounting and audit technology people truly love, driving a more efficient, transparent, and human-oriented industry. From rapid onboarding to a seamless managed service model, we deliver a customer-first experience at every step.

Headquartered in New York, with offices in Tel Aviv and London, we are backed by top investors, including Aleph, Third Point Ventures, Greycroft, StepStone Group, as well as leading global CFOs and accounting firms.

As our company continues to grow, an exciting opportunity awaits for a dynamic individual to join our R&D team as a Senior Full Stack Engineer. We are looking for a highly skilled engineer who can design and deliver scalable backend services, craft intuitive frontend features, integrate AI-driven capabilities, and help architect robust systems that power the next generation of intelligent financial tools. This role is ideal for a proactive, collaborative developer who thrives in a high-impact environment and enjoys solving complex engineering challenges.

Responsibilities:

Design, build, and scale backend services, APIs, MCPs, and data pipelines to support high performance, reliability, and growth.

Build frontend features with modern frameworks (e.g., React) and deliver intuitive, user-centric interfaces aligned with business and product goals.

Integrate Large Language Models (LLMs) into core systems using prompt engineering techniques to enhance AI-driven capabilities.

Drive technical design discussions and contribute to overall architectural strategy.

Take ownership of development tasks from design and implementation through deployment, monitoring, and iteration.

Collaborate with product, design, and engineering teams to align technical solutions with business priorities.

Requirements:

8+ years of professional experience building production-grade backend and frontend systems.

Strong backend and system architecture expertise, including APIs, background jobs, data pipelines, database modeling (SQL/NoSQL), indexing, and performance tuning (e.g., Python).

Solid experience building modern frontend applications using component-based frameworks (e.g., React, Vue) with strong UX thinking.

Experience integrating AI and LLMs into applications, including prompt engineering and context/data pipeline management.

Proficiency in cloud-native technologies, including AWS, GCP, Azure, and Kubernetes.

Strong engineering fundamentals and collaboration skills, with a solid grasp of algorithms and data trade-offs, a commitment to clean and testable code, and excellent communication skills.

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.

We 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.

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