Key skills
JavaScriptTypeScriptAIClaudeKafkaVueVue.jsNode.jsAWSGitHub ActionsPulumiECSS3MongoDBGitHubCommunicationCollaboration
About this role
Lithic is a company focused on providing secure online payment solutions through its product Privacy.com. They are seeking a Senior Software Engineer to develop new features and products for their consumer financial platform, utilizing AI-assisted development to enhance user experience and security.
Responsibilities:
- Build and ship new features across Privacy.com's product suite, working on both frontend and backend systems
- Use AI coding tools (Claude Code, Cursor, Copilot, etc.) effectively across the full development lifecycle and help establish patterns for the team
- Collaborate with product and design to translate requirements into technical solutions that prioritize customer experience
- Think critically about user flows, edge cases, and how technical decisions impact the end-user experience, including where AI-generated code needs the most human scrutiny (security, payments correctness, edge cases)
- Write clean, maintainable code with comprehensive tests and documentation
- Participate in code reviews and pair programming to maintain quality, share knowledge, and raise the bar on how the team uses AI
- Debug production issues and improve system reliability and performance
- Contribute to engineering best practices and help scale our systems as the business grows
Requirements:
- 3-6 years of professional software development experience
- Demonstrated experience using AI coding assistants (Claude Code, Cursor, Copilot, or similar) in production work - you can speak to where they accelerate you, where they don't, and how you validate their output
- Strong proficiency in TypeScript/JavaScript with solid Node.js backend experience
- Experience with modern frontend frameworks, preferably Vue.js
- Familiarity with document-oriented databases (MongoDB, DocumentDB)
- Customer-centric mindset with empathy for end users and attention to UX details
- Track record of shipping 0→1 projects or substantive side projects
- Strong ownership, accountability, and judgment on when to move fast vs. when to slow down
- Excellent communication and cross-functional collaboration skills (designers, PMs, operations)
- Experience with Kafka, AWS (S3, ECS), GitHub Actions, Pulumi
- Experience with AI coding assistants (e.g., Claude Code, GitHub Copilot, Cursor)
- Experience in fintech, payments, or security-focused applications