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

Company H1B Sponsorship