Senior Fullstack Engineer

OTR Solutions; Roswell (GA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Eligibility for Individual and Company bonus programs

Pet Insurance

Paid Family Leave

Generous PTO

401(k) with Company Matching

Weekly Catered Lunches

Job summary

A leading FinTech company in Georgia is seeking a Senior Fullstack Engineer to play a vital role in enhancing their AI-powered platform. The ideal candidate will design and maintain web services using React and Node.js, integrate AI/ML services, and improve system reliability on AWS. This role emphasizes collaboration with machine learning engineers and a strong focus on cloud-native systems. The ideal candidate enjoys solving complex challenges in a dynamic environment and is eager to contribute to architectural discussions.

Qualifications

• Experience designing, developing, and maintaining core web application services.
• Familiarity with scaling cloud-native SaaS platforms.
• Knowledge of Elasticsearch or similar technologies.

Responsibilities

• Design, develop, and maintain core web application services using React, TypeScript, and Node.js.
• Architect and support production systems handling high-volume document ingestion.
• Collaborate with ML engineers to productionize AI models.

Skills

Experience with REST and/or GraphQL APIs

Cloud-native SaaS systems

Integrating AI/ML services

Production experience on AWS

Python experience for ML integration

Tools

React

TypeScript

Node.js

PostgreSQL

Terraform

Job description

Overview

OTR Solutions is an innovator in the transportation industry providing a suite of factoring, fuel, and business management solutions. We help new and established companies get fast access to the funds they need for daily operations. As a Private Equity-backed FinTech company, we are scaling our technology and AI capabilities to deliver next-generation automation and document intelligence solutions for the freight and financial services industries.

OTR has been recognized as a “Top Workplace” by the Atlanta Journal-Constitution since 2016!

Senior Fullstack Engineer to play a long-term, high-impact role in building and evolving our AI-powered platform. This position is ideal for engineers who enjoy solving complex technical problems, scaling cloud-native SaaS platforms, integrating AI/ML services, and contributing to architecture decisions in a fast-moving, high-growth environment.

Please note: We do not sponsor work-related visas.

Responsibilities

• Design, develop, and maintain core web application services using React, TypeScript, and Node.js
• Add to and scale existing REST and GraphQL APIs powering AI-driven workflows
• Architect and support production systems handling high-volume document ingestion and structured data extraction
• Implement complex B2B web UI workflows
• Integrate AI/ML services into production workflows, including LLMs, OCR, embedding pipelines, and vector search
• Collaborate with ML engineers to productionize AI models
• Improve system observability, reliability, and scalability on AWS, including Lambda, API Gateway, EC2, S3, CloudWatch, CloudFront, Cognito, SES, and Route 53
• Contribute to DevOps and Infrastructure-as-Code initiatives (Terraform experience preferred)
• Utilize AI-assisted coding tools (e.g., GitHub Copilot, ChatGPT, Claude) to accelerate development, improve test coverage, and refactor safely
• Participate in architectural decisions as we scale post-acquisition
• Design and optimize database schemas and queries (PostgreSQL or similar)
• Apply knowledge of Elasticsearch, vector databases, or embedding pipelines where needed

What We Look For

• Experience with REST and/or GraphQL APIs and cloud-native SaaS systems
• Familiarity integrating AI/ML services into production systems
• Production experience on AWS and experience building scalable distributed systems
• Experience in fintech, logistics technology, or document automation is a plus
• Python experience for ML integration, functional programming knowledge (Clojure or similar), and experience with AI-assisted testing or code generation tools is highly valued

Perks and Benefits

• Eligibility for Individual and Company bonus programs
• Pet Insurance, Paid Family Leave, Employee Assistance Program
• Fully Paid Maternity Leave
• 401(k) with Company Matching
• Generous PTO, Sick/Mental Health Days, Flex Holidays + Company Paid Holidays
• Travel Stipend to support Work-Life Balance
• Leadership Development and Training Programs
• Continuous Learning and Professional Development Opportunities
• Weekly Catered Lunches + Casual Dress Code
• Company Paid Fitness Membership
• Volunteer Days and Community Engagement Opportunities
• Internal Inclusion Programs

OTR’s mission is to create exceptional value for our clients by providing industry-leading financing and back-office solutions. Our three pillars are outstanding customer service, innovative technology, and a culture that empowers employees to achieve greatness.

OTR Solutions is an Equal Opportunity Employer.