Senior Software Engineer

EducationSuperHighway

. Build on the existing API-first full-stack platform connecting employers, employees, and payroll systems .

Posted 10/27/2026full-timeRemote • United StatesSenior💰 $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack engineering, particularly in building and extending API-first platforms, integrating with payroll and HRIS systems, and ensuring secure handling of sensitive data. Proficient in developing reliable background job pipelines and managing multi-tenant workflows in production environments.

Highest-signal resume keywords

Full-Stack EngineeringAPI IntegrationBackground Job PipelinesPayroll Systems ExperienceAI Coding Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentAPI-First ArchitectureOAuth FlowsRelational Data ModelingBackground Job ManagementData Security PracticesMulti-Tenant ArchitectureError HandlingWebhook IngestionCompliance Workflows

Soft Skills

Clear CommunicationMature JudgmentComfort with Ambiguity

Tools & Technologies

ADP Workforce NowDayforceWorkdayUKGRipplingModern TreasuryCursorGitHub CopilotCodexClaude

Industry Keywords

PayrollHRISPII HandlingProduction Service MonitoringAudit Trails

About the role

Key responsibilities & impact

Build on the existing API-first full-stack platform connecting employers, employees, and payroll systems
Extend the platform toward the January 1, 2027 launch alongside the existing engineer
Integrate with payroll and HRIS providers through Finch, including ADP Workforce Now, Dayforce, Workday, and UKG
Build direct integrations for providers not reachable through an aggregator, starting with Rippling
Handle assisted provider connections and pending deduction states
Maintain and extend a provider-agnostic integration layer
Build employee enrollment flows and employer campaign and dashboard tooling on a multi-tenant platform
Implement employer single sign-on using OIDC, SAML 2.0, or email-code fallback
Check the IRS list of eligible scholarship granting organizations during designations and deductions
Capture the employee’s state at payment
Design background job pipelines with status tracking, retries, dead-letter handling, error visibility, webhook ingestion, and drift detection
Support money movement and reconciliation using payments and ledgering providers such as Modern Treasury
Match payroll deduction files and ACH remittances to enrollments and maintain audit trails
Build compliance-aware year-end acknowledgement generation and delivery workflows
Track document delivery status and recover from failures
Apply security practices for sensitive employee and financial data, including data minimization and hashed identifiers
Make and document architecture decisions balancing speed and long-term extensibility

Requirements

What you’ll need

7+ years of full-stack engineering experience building production web applications
Early-stage startup experience and comfort with ambiguity
Experience building from 0 to 1 or extending an early-stage system alongside a small team
Regular use of AI coding tools such as Cursor, GitHub Copilot, Codex, or Claude for planning, code generation, debugging, and refactoring
Mature judgment about AI-generated outputs
Strong third-party API integration experience, particularly OAuth flows and structured data write-back
Experience with payroll, HRIS, or other limited or inconsistent vendor APIs
Experience modeling relational data for complex, multi-step, multi-tenant stateful workflows
Ability to build and maintain reliable background job pipelines with named queue technology and operational visibility
Secure handling of PII and financial data
Comfort deploying and monitoring a production service
Clear communication and sound judgment in early-stage, ambiguous environments
Ability to quickly read and build on an existing codebase
Legally authorized to work in the United States
Must not require employer sponsorship for employment visa status, currently or in the future

Benefits

Comp & perks

Strong path to full-time conversion for the right person
Opportunity to work on a mission-driven product addressing America’s K-12 reading crisis
Opportunity to make real architecture decisions and work on third-party integrations
Potential to attend an in-person interview if selected as a finalist