[Remote] Backend Software Engineer

Note: The job is a remote job and is open to candidates in USA. three+one is a leading public sector fintech firm providing liquidity and treasury solutions. They are seeking a Backend Software Engineer to build and scale their platform infrastructure, enabling public entities to make informed financial decisions.

Responsibilities

• 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
• 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
• Own features from design through deployment with guidance from senior engineers
• Translate product requirements into technical implementations
• Write clean, maintainable, and well-tested code
• Participate in code reviews and technical discussions
• Work closely with product, design, and other engineers
• Contribute to improving development workflows and standards
• Work with structured financial datasets and time-series data
• Ensure correctness, consistency, and auditability of backend logic

Skills

• 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
• 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

Benefits

• Health, Dental, Vision, Basic Life, SDBL
• 401K Plan
• Flexible PTO, sick leave, and paid holidays
• Cell phone reimbursement
• Benefits offerings may vary by location and employment status.

Company Overview

cashvest by threeplusone harnesses data to maximize the value of every dollar through the power of liquidity analysis by over 30%. It was founded in 2014, and is headquartered in Pittsford, New York, USA, with a workforce of 11-50 employees. Its website is https://threeplusone.us/.

Company H1B Sponsorship

three+one has a track record of offering H1B sponsorships, with 3 in 2024, 1 in 2023. Please note that this does not guarantee sponsorship for this specific role.