Backend Software Engineer

Role Summary

We're seeking a driven Backend Software Engineer to help grow one of the nation's fastest-growing public sector fintech firms. As a Software Engineer, you'll be instrumental in building and scaling the platform infrastructure that helps public entities across the country make smarter, more confident financial decisions. This role is ideal for a self-motivated, goal-oriented individual who enjoys working with data-intensive applications, and is looking to grow into more advanced system design and architectural responsibilities over time.

Responsibilities

• Backend Development
• Design, build, and maintain scalable APIs and backend services.
• Work with financial and transactional data pipelines, ensuring accuracy and performance.
• Improve system reliability, observability, and performance.
• Full-Stack Contribution
• Contribute to front-end features using React when needed.
• Collaborate with designers and product to deliver cohesive user experiences.
• Help connect backend systems to intuitive, performant UI components.
• Feature Development & Delivery
• Own features from design through deployment with guidance from senior engineers.
• Translate product requirements into technical implementations.
• Write clean, maintainable, and well-tested code.
• Collaboration & Code Quality
• Participate in code reviews and technical discussions.
• Work closely with product, design, and other engineers.
• Contribute to improving development workflows and standards.
• Data & Systems Thinking
• Work with structured financial datasets and time-series data.
• Ensure correctness, consistency, and auditability of backend logic.

Qualifications

• Bachelors degree plus minimum five years work experience.
• Minimum 3–5 years of relevant and progressive software engineering experience.
• Demonstrated proficiency in Python.
• Proven ability to build and maintain APIs.
• Familiar with React, modern JavaScript/TypeScript, and the ability to contribute to UI features.
• Experience with relational databases and version control (Git), CI/CD workflows.
• Exposure to cloud platforms (AWS, GCP, or similar) and containerization basics.

Additional Skills and Abilities

• Experience in FinTech, banking, or financial systems.
• Familiarity with data processing or ETL workflows.
• Exposure to infrastructure-as-code tools.
• Experience working with analytics or reporting systems.
• Exceptional attention to detail, time management, and the ability to manage multiple priorities independently.
• Growth-oriented mindset with the ability to accept and act on feedback constructively.
• Eager to learn, results-driven, and adaptable.

Application Timeline

We anticipate the application window for this opening will close on: June 5th, 2026. Submission does not guarantee selection, and three+one reserves the right to modify or cancel the hiring process at any time.

Benefits Overview

• Full-time Employment Opportunities include:
• Competitive salary and benefits (Health, Dental, Vision, Basic Life, SDBL)
• 401K Plan
• Flexible PTO, sick leave, and paid holidays
• Cell phone reimbursement

Pay Range

125,000 - 155,000 USD per year (Remote)

Product and Technology

Pittsford, NY