Note: The job is a remote job and is open to candidates in USA. Spectrum Search is partnered with an early-stage AI-enabled financial technology company building software for complex B2B payment and revenue workflows. The company is seeking a product-focused engineer to own customer-facing systems end to end across backend, frontend, databases, integrations, and AI-powered functionality. The role includes designing production systems, developing secure APIs and full-stack features, building AI workflows, and translating customer feedback into technical solutions.
Responsibilities
- Design, build and operate production-grade payment and financial workflow systems
- Develop secure APIs and integrations with third-party enterprise platforms
- Build full-stack product features across backend services, PostgreSQL and React
- Develop LLM-powered workflows and agentic AI features for complex operational processes
- Create evaluation frameworks, observability and guardrails for AI functionality in production
- Build and maintain data pipelines processing high volumes of financial records
- Own features from initial customer requirements through specification, delivery and measurement
- Contribute to system architecture, technical conventions, code reviews and engineering quality
Skills
- • Proven experience as a backend-leaning full-stack software engineer, with strong recent ownership of production systems and user-facing features
- • Strong backend expertise using an MVC framework such as Ruby on Rails, Django or Spring Boot
- • Advanced experience with SQL databases such as PostgreSQL
- • Ability to deliver across backend, frontend, database schema and automated testing without relying on functional hand-offs
- • Experience working in an environment with rapid product iteration and meaningful individual ownership
- • Strong product engineering mindset with experience taking responsibility beyond initial feature launch
- • Comfortable engaging with users and customer feedback to inform technical decisions
- • Active use of AI-assisted development tooling in day-to-day engineering workflows
- • Strong ability to decompose product requirements into clear, scoped engineering work
- • This is a full-time, remote position for candidates based in the US
- • Quarterly in-person off-sites are required
- • Visa sponsorship is not available for this position
- • Experience shipping production-grade agentic AI or LLM features
- • Experience with AI evaluation systems, A/B testing or multi-arm bandit approaches
- • Product engineering experience within fintech, payments or billing
- • Experience with Ruby on Rails, React, AWS or Terraform
Benefits
- Full-time, remote position for candidates based in the US
- Quarterly in-person off-sites
Company Overview