Senior Software Engineer, Integrations

Givebutter

. Own one or more partner integration surfaces end-to-end .

Posted 9/15/2026full-timeRemote • California • United StatesSenior💰 $170,000 - $185,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend service development with a strong focus on REST API design, PHP / Laravel frameworks, and integration with third-party APIs. Capable of collaborating across teams and managing production services while utilizing terminal-based AI development tools.

Highest-signal resume keywords

PHP / Laravel ProficiencyREST API DesignSQL / MySQL ExperienceTerminal-Based AI Development ToolsOn-Call Production Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend Service DevelopmentREST API Design PatternsSQLOAuth KnowledgeWebhook DesignAsync Job Workflow DesignIntegration with Third-Party APIsAPI Contract DesignData Flow ManagementProduction Service Management

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

PHPLaravelRailsDjangoSpringClaude CodeCursor

Industry Keywords

Nonprofit ExperiencePublic API ContributionsAI AgentsMission-Driven Work

Tech Stack

Tools & technologies

DjangoLaravelMySQLPHPRuby on RailsSpringSQL

About the role

Key responsibilities & impact

Own one or more partner integration surfaces end-to-end
Maintain integration surfaces as sales, success, and product needs evolve
Shape the public API for builders and AI agents acting on behalf of nonprofits
Spike, prototype, and de-risk new partnerships
Design and defend API contracts, webhook shapes, and data flows
Partner with the existing integrations lead and grow into shared ownership
Collaborate with Product, Growth, Marketing, and external partner engineers
Read partner documentation, investigate integration failures, and clarify implementation approaches
Participate in partner engineering calls
Contribute to production on-call rotation
Use and review terminal-based AI development tools in the engineering workflow

Requirements

What you’ll need

4+ years shipping production backend services, ideally on a modern web framework
Strong proficiency in PHP / Laravel, or adjacent framework fluency in Rails, Django, or Spring
Deep familiarity with REST API design, HTTP semantics, and API design patterns
Solid SQL; MySQL specifically or sufficient relational database experience to discuss trade-offs
Experience building against real-world third-party APIs
Comfortable designing async job workflows, queued work, and observable failure paths
Strong knowledge of OAuth, webhooks, and public API trust-boundary decisions
Active use of terminal-based AI development tools such as Claude Code or Cursor, with review discipline
Experience contributing to an on-call rotation for production services
Comfortable navigating an existing monorepo, particularly PHP / Laravel backends
U.S. citizen or permanent resident
Nice to have: contributions to a public API, custom AI tooling or agent workflows, familiarity with AI agents consuming APIs, API specification knowledge, and nonprofit or mission-driven experience

Benefits

Comp & perks

Equity
Remote work from one of 10 hubs
Medical, Dental, and Vision insurance covered 100% for employees
HSA and FSA accounts
50% of Medical, Dental, and Vision premiums covered for eligible dependents
TalkSpace membership
3% 401k match
Flexible PTO with uncapped vacation days
Company-recognized holidays
One-week summer Wellness Week closure
12 weeks of paid parental leave for all parents
Comprehensive leave planning management through Aidora
Company-paid UrbanSitter membership
Care credits for childcare, senior care, pet care, and household support
Home office stipend, including laptops, monitors, and modern technology
Monthly coworking stipend
Up to $50/month charitable giving contribution to a verified nonprofit
Learning and development reimbursement opportunities