Senior Full Stack Developer

Tru Treasury Company; United States; On-site; USD 140,000 - 210,000; Full time

Job summary

Tru Treasury is seeking a full-time Senior Full Stack Developer to design and build modern financial technology products for U.S. financial institutions and businesses.

You will own features end-to-end, from architecture and backend services to frontend experiences, collaborating with product and operations teams to deliver secure, scalable solutions. Our stack focuses on TypeScript, Next.js, PostgreSQL, and AWS.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with TypeScript.
• Production experience with React and Next.js.
• Experience working with relational databases (PostgreSQL preferred).
• Experience deploying and operating applications in AWS.
• Experience designing and building APIs and backend services.
• Experience working in Git-based collaborative environments.
• Strong understanding of modern software architecture and development best practices.

Responsibilities

• Build scalable full stack applications using TypeScript, React, and Next.js.
• Develop backend APIs and services.
• Design and maintain PostgreSQL relational data models.
• Work with infrastructure and services deployed in AWS.
• Collaborate with other engineers on system architecture and feature design.
• Participate in code reviews and maintain high code quality standards.
• Work closely with product and operations teams to deliver new features.
• Troubleshoot production issues and improve system reliability and performance.

Skills

TypeScript

React

Next.js

AWS

PostgreSQL

APIs

Git

Tools

Drizzle

SST

Job description

Tru Treasury is seeking a full-time Senior Full Stack Developer to help design and build modern financial technology products used by financial institutions and businesses across the United States.

This role is ideal for someone who enjoys owning features end-to-end-from architecture and backend services to frontend user experiences. You will play a key role in shaping the technical direction of our platform and collaborating with product and operations teams to deliver secure, scalable solutions.

Our stack is modern and developer-focused, built primarily with TypeScript, Next.js, PostgreSQL, and AWS.

What You'll Work On

• Building scalable treasury management platforms used by financial institutions
• Designing APIs and services that support financial workflows and integrations
• Developing secure, reliable systems for regulated fintech environments
• Improving system performance, reliability, and scalability
• Helping shape engineering standards, architecture, and technical direction

Essential Duties and Responsibilities

• Build and maintain full stack applications using TypeScript, React, and Next.js
• Develop backend APIs and services
• Design and maintain PostgreSQL relational data models
• Work with infrastructure and services deployed in AWS
• Collaborate with other engineers on system architecture and feature design
• Participate in code reviews and maintain high code quality standards
• Work closely with product and operations teams to deliver new features
• Troubleshoot production issues and improve system reliability and performance

What We're Looking For

• A builder who enjoys solving complex technical problems
• Someone who takes ownership and can deliver features end-to-end
• A strong communicator who can collaborate across technical and non-technical teams
• A pragmatic engineer who balances speed with maintainable architecture
• Someone excited to help shape and grow a developing engineering organization

Qualifications

• 5+ years of professional software development experience
• Strong experience with TypeScript
• Production experience with React and Next.js
• Experience working with relational databases (PostgreSQL preferred)
• Experience deploying and operating applications in AWS
• Experience designing and building APIs and backend services
• Experience working in Git-based collaborative environments
• Strong understanding of modern software architecture and development best practices

Preferred Qualifications

• Experience with Drizzle
• Experience with SST
• Experience working in monorepos
• Experience building serverless or event-driven architectures
• Experience in fintech, payments, or regulated environments

Compensation

This role offers a competitive compensation and benefits package, including a strong base salary with additional upside potential tied to consulting practice growth and billable engagement performance. Key measures include:

• High client satisfaction and repeat engagements
• Strong billable hours and contribution margin
• Scalable consulting offerings and growing practice revenue
• Strengthened executive relationships across the Tru Treasury client base

About Tru Treasury

Tru Treasury is a Credit Union Service Organization (CUSO) providing treasury management advisory, product solutions, and integrated sales and support to credit unions and community banks.

Our mission is to equip these institutions with the expertise and scalability needed to launch and grow competitive Treasury Management programs for their business members.

Our vision is for community financial institutions to become the primary financial provider for small businesses and the emerging middle market.

Our values-Winning Together, Entrepreneurial Spirit, Performance with Purpose, and Continuous Improvement-drive our purpose and guide every client interaction.

Tru Treasury enforces a drug-free workplace policy and employment offers are contingent on drug-screen and background check.