Senior Software Engineer

Location: Northampton, MA (Hybrid)This position requires working onsite at our Northampton office 2–3 days per week. Candidates should live within a reasonable commuting distance or be willing to relocate.About the roleYou’ll be joining our Northampton MA-based development team, using the latest AI coding tools to build GTM products that connect our clients to their customers. As the technical delivery lead, you'll help set a culture where speed and quality go together: we move fast with agentic tools and hold a high bar on everything we ship. You'll take ambiguous problems and turn them into clear plans, working across product features, custom work for our clients, internal tooling, and the infrastructure underneath. On a small team, you'll have real say in what we build and how.What you'll doUse agentic coding tools to move quickly and review their output criticallyBe the technical leader for product deliveryBuild and ship features for our core productsCollaborate with our sales team to build custom features for customersImprove our development processes and tooling, including our agentic coding setup and ops environmentMentor junior members of the teamKeep up to date with what’s new in AI and bring interesting ideas to the teamRequired Qualifications5+ years of professional software development experience; a Bachelor's degree in CS, Data Science, or a related field is preferredStrong in Python or TypeScriptRegular use of at least one of Claude Code, Codex, or Cursor, and the ability to critically analyze their outputExcellent problem-solving/critical thinking skills and attention to detailAbility to work and communicate collaboratively in a remote team environmentYou'd rather work at a small company, with less process and more say in what gets builtNice to haveMongoDB, FastAPI, Vercel, Railway, ClerkFamiliarity with marketing and GTMAbout The Starr ConspiracyThe Starr Conspiracy is the B2B marketing agency where fundamentals meet AI transformation. We are senior by default, AI-native in how we operate, and we don't sell AI experiments. We build marketing systems that actually work.We blend proprietary AI systems we built ourselves with the strategic marketing skills we have honed over 25 years. The AI accelerates insight, execution, and scale. Our strategists supply the judgment: what to build, what the output means, and what executives do about it.We reject the false choice between fundamentals and innovation. We master both, and we tell clients what they need to hear, not what they want to hear.