Founding Product FullStack Engineer – AI Fintech (Remote - US Based)

Far Coder; Northern (KY); Hybrid; USD 170,000 - 230,000; Full time

Benefits offered by this job

Remote work

USD pay

Paid Time Off

Autonomy

Job summary

Truelogic is hiring a Founding Product FullStack Engineer – AI Fintech (Remote - US Based). You will take full ownership of critical customer problems from inception to deployment, building a modern financial system powered by AI agents.

You’ll work directly with founders and finance teams to design user experiences, architect solutions across the full stack, and shape the early engineering culture. The ideal candidate is autonomous, product-minded, comfortable with ambiguity, and eager to ship

Qualifications

• 3+ years of professional software engineering experience.
• Experience in React, TypeScript, Python, FastAPI, and PostgreSQL.
• Strong product sense and ability to ship in early-stage environments.
• Excellent communication with founders and early customers.
• Experience building AI agents or LLM apps is a plus.
• Background in fintech, accounting, or banking is preferred.
• Experience designing APIs and auditable systems is a plus.

Responsibilities

• Talk with founders, operators, and finance teams to define product solutions.
• Design and build full-stack solutions across frontend, backend, AI, and data.
• Develop AI finance agents to automate invoicing, payroll, reporting, and month-end close.
• Architect infrastructure for permissions, audit trails, reconciliation, observability, and AI evaluation.
• Build integrations with banking, accounting, payroll, payment, and communication platforms like QuickBooks, Plaid, and Stripe.
• Create intuitive UIs translating complex financial data into actionable insights.
• Ship to production rapidly and iterate based on real-world feedback.
• Help establish foundational engineering culture, architecture, and product standards.

Skills

React

TypeScript

Python

AI agents

Full-stack

Product thinking

Tools

PostgreSQL

FastAPI

QuickBooks

Plaid

Stripe

Job description

Truelogic is hiring a remote candidate for Founding Product FullStack Engineer – AI Fintech (Remote - US Based). This is a full time position. Work location: USA. The role typically involves technologies such as TypeScript, React, PostgreSQL, Rails, Python, Accounting.

ABOUT TRUELOGIC

At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals. Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference. By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future.

OUR CLIENT

A VC-backed, early-stage B2B SaaS startup building an AI-native financial system to modernize bookkeeping, reporting, and payroll for growing companies.

JOB SUMMARY

As a Founding Product Engineer, you will take full ownership of critical customer problems from inception to deployment, building a modern financial system powered by AI agents. You will work directly with founders and finance teams to design user experiences, architect technical solutions across the full stack, and establish the core engineering culture. The ideal candidate is a highly autonomous, product-minded builder who excels in ambiguous, early-stage environments and is eager to ship complex, consequential software that directly impacts how businesses operate.

RESPONSIBILITIES

• Talk directly with founders, operators, and finance teams to define the right product solutions.
• Design and build full-stack solutions across frontend, backend, AI, data, and external integrations.
• Develop AI finance agents to automate workflows for invoicing, collections, payroll, reporting, and month-end close.
• Architect reliable infrastructure for permissions, audit trails, exact financial reconciliation, observability, and AI evaluation.
• Build seamless integrations with banking, accounting, payroll, payment, and communication platforms like QuickBooks, Plaid, and Stripe.
• Create intuitive user interfaces that translate complex financial data into understandable insights for business owners.
• Ship work to production rapidly, observe customer usage, and iterate based on real-world feedback.
• Help establish and shape the company’s foundational engineering culture, architecture, and product standards.

QUALIFICATIONS AND JOB REQUIREMENTS

• 3+ years of professional software engineering experience with a proven track record of shipping real products to production.
• Proven ability to work across the frontend and backend, ideally with experience in React, TypeScript, Python, FastAPI, and PostgreSQL.
• Strong product sense with the ability to move seamlessly between strategic product thinking and rigorous technical implementation.
• High degree of curiosity and discipline to learn complex, rules-heavy domains like financial systems and accounting.
• Excellent communication skills to challenge ideas constructively and collaborate directly with founders and early customers.
• Experience building AI agents, production LLM applications, or working with Model Context Protocol (MCP) is a plus.
• Background in fintech, accounting, payments, banking, or building financial data pipelines is preferred.
• Previous experience owning a product area at an early-stage startup is highly preferred.
• Experience designing APIs, distributed workflows, and systems where security, auditability, and absolute correctness matter is a strong plus.

WHAT WE OFFER

• 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
• Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
• Paid Time Off: We value your well‑being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
• Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
• Work with Top American Companies: Grow your expertise working on innovative, high‑impact projects with Industry‑Leading U.S. Companies.

WHY YOU’LL LIKE WORKING HERE

• A Culture That Values You: We prioritize well‑being and work‑life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.
• Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.
• Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field.

Skills required for this role include TypeScript, React, PostgreSQL, and related tools for day‑to‑day development.

Seniority level: Senior.