Senior Software Engineer (Backend/Integrations)

About SitelineSiteline is a Series A SaaS startup in the construction space. We're a team of 25 full-time employees who live and work remotely across the US, with a small in-person office in San Francisco.What problems are we solving?We're on a mission to modernize finance for construction, an industry that employs 1 out of every 10 workers, but lacks good software tools to get the job done. Payments in construction are fundamentally broken — the antiquated billing process hasn't evolved in decades, and construction is one of the slowest industries to get paid in. We've found a unique wedge into this huge market and are growing quickly.Why are we building this?Millions of hardworking people are affected by this broken system — in turn making construction more expensive and inefficient for society every year. When everyone up and down the chain is on the same page with payments, contractors can focus on actually building, instead of mountains of paperwork. We’re reimagining construction finance to help contractors get paid, grow their business, and build a better future for all of us.🕺 The RoleSiteline is hiring a Senior Backend Engineer to lead the next evolution of our integrations platform.We power billing and compliance workflows for construction subcontractors, with integrations sitting at the core of our product. We’re looking for a senior engineer to architect, build, and own the mission-critical integrations with external ERPs and construction industry platforms.You will design resilient, real-time data pipelines, navigate the complexities of imperfect third-party systems, manage sync state at scale, and build extensible systems that enable the rest of the engineering team to move faster.This role is based in our San Francisco office (3-4 days/week). We are not considering fully remote candidates at this time.🧰 Our StackBackendNode.js, TypeScript, GraphQL, PostgreSQL, RedisIntegrationsA mix of direct API calls, database connections, and third-party vendor integrations — each with its own quirks and challengesDurable FunctionsWe use Inngest for reliable, resumable workflows: retries, fan-out, and long-running processes without the infrastructure headacheObservabilityMonitoring is a first-class concern. We rely on searchable dashboards, structured logging, and OpenTelemetry Dash0 to debug issues fast and keep integrations running reliablyWhat You’ll Do🔌 Own our integrations platformArchitect and build direct integrations with ERPs and construction platformsDesign bi-directional data sync systems with clear ownership, observability, and retry logicHandle edge cases like rate limits, partial failures, inconsistent schemas, and long-running jobsBuild internal tooling that makes integrations easier to develop and support🧠 Think in systemsDesign durable data models that map external systems to Siteline’s domainEstablish patterns for idempotency, backfills, migrations, and versioningImprove reliability, monitoring, and performance of integration workflows🤝 Partner cross-functionallyWork closely with product and customer teams to understand real-world ERP workflowsTranslate messy external APIs into clean internal abstractionsSupport customers through tricky integration edge cases when needed📈 Raise the technical barMake pragmatic architectural decisionsWrite high-quality, well-tested backend codeMentor more junior engineers working on integration-adjacent projects👀 What We’re Looking ForSenior-level backend experience5+ years building production backend systemsStrong experience in API design, async processing, job queues, and distributed systemsIntegration experience (required)Experience building and maintaining integrations with third-party systemsFamiliarity with REST APIs, GraphQL, webhooks, OAuth, data mapping, and sync architecturesExperience handling unreliable or legacy external systemsSystems thinkingYou’ve designed systems that need to be resilient, observable, and maintainableYou understand tradeoffs around data integrity, retries, and eventual consistencyClear communicatorYou proactively surface risks and unknownsYou can explain complex systems to both engineers and non-technical teammatesStartup-readyComfortable operating with ambiguityAble to make progress without perfectly defined requirements🍪 Brownie PointsThese are not required, but especially relevant to us:Experience integrating with:ERP systemsAccounting softwareConstruction tech platformsFinancial or payment systemsExperience with:Event-driven systemsGCP / Cloud RunPostgresTypeScript or NodeReactExperience working in vertical SaaSExperience replacing a third-party integration provider with an in-house systemWHY SITELINESmall but mighty - everyone here is excellent at what they doImpact from day one - you’ll shape product decisions and see your work live quicklyChallenging problems - not “yet another CRUD app”Hybrid with purpose - we collaborate in-person in our SF office with views of the Bay, Chinatown, and North BeachLow-ego culture - smart, kind teammates who care about doing great work (and are really fun to be around)Compensation & BenefitsSalary range: $165,000 - $185,000 annually (final offer within this range will depend on experience and skills)Health & wellness benefits: Comprehensive health, dental, and vision insurance. Commuter benefits for in-office work.Equity options: As a startup, we offer equity options to ensure that you share in our success as we grow togetherProfessional development: Annual $1K learning stipend to use toward classes, certifications, conferences, or other meaningful career developmentPaid time off: Unlimited PTO policy with an encouraged three-week annual minimumLEGAL DISCLOSURESWork locationThis is an in-person role based in San Francisco, CaliforniaEqual opportunitySiteline is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We encourage applications from all qualified individuals and are dedicated to fostering a culture of respect and belonging. If you’re passionate about our mission and excited to contribute to a diverse team, we would love to hear from you!Fair chance ordinancePursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction recordsCompany valuesMove Quickly, TogetherSpeed is our advantage, but alignment is our path to victory. We will go farthest, fastest if we work in unison. Prioritize the mission, establish clear owners and deliverables, and execute with confidence.Reach for the SkyWe are curious, open-minded, and courageous. We challenge ourselves and each other to ask more questions, push boundaries, and deliver excellence every day.Run LeanConstruction is a scrappy industry where companies must do more with less. Same here. Operate efficiently, optimize strategically, and always get the most bang for our buck.Be the SteelBuilds fail when the foundation is faulty. The same is true for us. Exercise good judgment, deliver on your commitments, and know your capacity—every base has its threshold, after all. Most importantly, back your teammates. We’re stronger than reinforced concrete when we support each other.Build Our FanbaseOur mission is to grow the size of the pie for everyone in construction. We only achieve that audacious goal if we keep our customers front and center. Work tenaciously to build smarter systems that solve real problems for our customers, positively impact their businesses and lives, and make them loyal fans.Shoot StraightWe speak directly, candidly, and respectfully. We prioritize transparency, err on over-communicating, and understand that differing opinions and perspectives are part of a healthy company. Ultimately, it’s okay to disagree with—but still commit to—the chosen direction.At Siteline, we're looking for people with passion, grit, and integrity. We encourage you to apply even if your experience doesn't precisely match the job description. Your skills and passion will stand out—and set you apart—especially if your career has taken some extraordinary twists and turns. We know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Join us!