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Senior Software Engineer

Casca · San Francisco

unknownsenior$160,000–$220,000Posted Sep 9, 2026TypeScriptReactNextJSPostgresPrismaPythonAWS

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About this role

## Senior Software Engineer — Casca **Why Casca?** Casca is building AGI for banking—replacing legacy systems with AI-native technology that automates ~90% of the manual work humans once did. --- ## What you’ll do - **Own the lifecycle:** End-to-end component ownership—from technical scoping & architecture to deployment, observability, and long-term maintenance. - **Deliver with pragmatism:** Be a “master of scope” by understanding the *why* behind features; propose shortcuts/alternatives to deliver core value faster (without unnecessary complexity). - **Collaborate cross-functionally:** Work with customers and product managers to break down complex features, proactively surface edge cases, and discuss technical trade-offs before coding. - **Elevate the team:** Amplify team throughput through rigorous code reviews, sharing best practices, and unblocking peers. - **Build for reliability:** Implement observability and automated testing to ensure components run reliably in production and integrate cleanly with Casca’s architecture. **Estimated split:** ~70% writing high-quality code, ~30% collaborating with stakeholders and supporting your team. **Tech stack:** TypeScript, React, NextJS, Postgres (Prisma), Python, AWS. --- ## What you’ll bring - **5+ years** of software engineering experience with a track record delivering significant production SaaS work. - **Startup resilience:** Experience in fast-paced, high-velocity environments (last 2–4 years), leading from the front and making high-stakes trade-offs. - **Technical mastery:** Strong web application development with relational databases and a quality-first mindset. - **Architectural maturity:** Ability to anticipate scaling needs without over-engineering; build for today while keeping things adaptable. - **Integrity & alignment:** Transparency, honesty, and a “team above self” mentality. - **Mission resonance:** Purpose-driven mindset—your work as a noble cause impacting end-users. - **Operational grit:** Comfort with ambiguity; maintain high throughput and operational resilience in a rapidly evolving org. --- ## What you’ll get - **Impact & ownership:** Shape the future of banking through AI; own end-to-end product initiatives. - **Collaborative environment:** Work with a talented team that values continuous improvement and knowledge sharing. - **Competitive compensation:** Salary, benefits, and potential equity. - **Professional growth:** Resources and mentorship to expand your skills and influence strategy. - **Culture of innovation:** Encouragement to take risks, learn from failures, and push fintech boundaries. *Note: As an early-stage company building at the frontier of AI, intensity is high—many weeks may require extra focus, flexibility, and time depending on role/team.*

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