Infinitum
Senior Full-Stack Developer Lead
Austin, TX · Senior · Full-time
Sponsorship not specifiedDetected 25 days ago
TypeScriptReactNext.jsFull-Stack DevelopmentCode ReviewPostgreSQLTemporalAPI DevelopmentRESTAgileSalesforceCRMAccount ManagementSAPERPIntellectual PropertyPCB DesignPlaywrightLeadershipCommunicationMentoringNetSuite
About the role
- We have a world-class R&D organization, an extensive patent portfolio and a strong leadership team which is scaling the company up across all functions.
- In short, we believe we have crossed the chasm-introducing breakthrough technology into a traditionally conservative sector.
- This is not a role for someone who waits for direction or delegates the hard problems.
Responsibilities
- Support production reliability through runbooks, on-call leadership, and blameless post-incident reviews
- Experience writing or reviewing architectural decision records (ADRs) or similar design documentation
Requirements
- Experience integrating third-party systems via REST APIs and webhooks at production scale
- Strong written and verbal communication - you can explain technical decisions to both developers and non-technical stakeholders
Nice to have
- Experience with CPQ, ERP, or CRM integrations (Salesforce, SAP, NetSuite, or similar)
- Background in durable workflow or queue-based processing (Temporal, BullMQ, or equivalent)
- Hands-on security experience: CSP headers, rate limiting, secrets management, dependency scanning
- Prior work on multi-tenant SaaS platforms or customer-facing commerce applications
- Experience contributing to hiring: writing job specs, conducting technical interviews, or calibrating assessments
- 5+ years of production experience with React and TypeScript in complex, customer-facing applications
- Demonstrated experience leading or mentoring a team of developers - setting standards, running reviews, and owning delivery
- Strong Next.js experience (App Router preferred) or equivalent modern SSR framework
Skills
- Write meaningful tests - unit coverage for business logic and Playwright E2E for critical user flows
- Instrument Sentry and structured logging with correlation IDs so production is always observable
- Use Cursor or Claude Code as your primary coding environment and model effective AI-assisted development for the team
Benefits
- Comprehensive Health Coverage (Medical/Dental/Vision)
- Short-Term & Long-Term Disability Coverage
- Health Savings Account (HSA) - includes employer contributions.
- Flexible Spending Account (FSA) & Limited Purpose Flexible Spending Account
- Open Paid Time Off (PTO)
- Own the quality bar across the team - PR reviews, test coverage, security gates, and deployment readiness
- Flexible schedule - including hybrid possibilities
Company info
- Customer portal experiences - account management, multi-tenant experience, entitlements, order history, and status
- Guided quoting journeys integrated with CPQ (quote creation, guided selling, approvals visibility)
- Ordering flows and real-time status synchronization
- Durable integrations with ERP and CRM systems via REST APIs, webhooks, and reliable messaging patterns
- A high-performing, collaborative team culture where developers do their best work
- Hire and Lead a small team of 2-4 developers: set clear expectations, run sprint planning, and own team delivery commitments
- Actively mentor developers through code reviews, pairing sessions, and regular 1:1s - invest in their growth, not just their output
- Infinitum is revolutionizing electric motors with our patented printed circuit board (PCB) stator technology.
- We are a pre-IPO company backed by a distinguished group of strategic partners and some of the world's most influential climate tech funds.
- With strong traction in shipments and several major customer wins, the market now recognizes the value of our technology and the impact it will have on the future of the industry.
- We are headquartered in Austin, TX, and have a state-of-the-art manufacturing facility in Saltillo, Mexico, with room for significant expansion.
- Increasingly, end customers are willing to pay a premium for solutions featuring "Infinitum Inside." Our OEM partners are successfully leveraging this differentiation to achieve higher close rates and command greater margins.
Equal opportunity
- equal opportunity employer.
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This listing is sourced directly from Infinitum's careers page and normalized into a canonical job model.