Full Stack Engineer

Mem0

$120K — $160K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience with full-stack web applications, specifically using Next.js/React and Python.
  • Strong proficiency in Python and modern web stacks like REST/GraphQL, Postgres, and Redis.
  • Solid understanding of front-end development, including component architecture and state management.
  • Demonstrated ownership of features from conception to rollout and post-launch adjustments.
  • Committed to code quality through testing, type safety, and CI/CD best practices.
  • Strong communication and collaboration skills for cross-functional teamwork.
  • Comfortable managing production systems with a focus on low-latency performance.

Responsibilities

  • Design and ship end-to-end features including APIs, UIs, and backend logic.
  • Optimize system performance for speed and scalability while maintaining reliability.
  • Ensure high code quality through tests, documentation, and code reviews.
  • Work closely with design teams to enhance user experience and gather customer feedback.
  • Monitor and improve systems after deployment, addressing production issues as they arise.
  • Make informed product decisions by prioritizing tasks and leveraging user feedback.
  • Collaborate with various teams and adapt quickly to new tools to ensure project success.

Benefits

  • Flexible work schedule and remote work options.
  • Opportunities for professional development and skill enhancement.
  • Collaborative company culture with cross-functional teams.
  • Access to cutting-edge technologies and projects.
  • Potential for significant impact on product outcomes.
Full Job Description
Role Summary:

Build the product surface of Mem0 Platform-our memory platform powering LLM apps. You'll own features end-to-end across Next.js and Python, shipping fast without compromising code quality, performance, or reliability. You'll partner with design, research, and customers to turn real problems into elegant, scalable product experiences-and you'll take true ownership of outcomes.

What You'll Do:
  • Ship end-to-end features: Design APIs, build UIs, write backend logic, own data models, and deploy to production.
  • Build for scale & speed: Optimize latency, caching, and query patterns; keep pages snappy and backends reliable.
  • Own quality: Write tests, enforce typing/linting, review PRs, and maintain clean, well-documented code.
  • Collaborate deeply: Work with Design for great UX, with Research to integrate new memory capabilities, and with customers to refine requirements.
  • Operate what you build: Add observability, set alerts, debug prod issues, and drive continuous improvements.
  • Lead with product sense: Prioritize ruthlessly, make tradeoffs explicit, and iterate based on data and feedback.
  • Go beyond your lane: Unblock teams, learn new tools on the fly, and do what it takes to deliver.

Minimum Qualifications
  • Proven experience shipping full-stack web applications at scale using Next.js/React and Python.
  • Strong Python skills and familiarity with modern web stacks (REST/GraphQL, Postgres, Redis, Celery/queues).
  • Solid front-end chops: component architecture, state management, forms, accessibility, SSR/ISR.
  • Track record of owning features E2E: from design docs to rollout and post-launch iteration.
  • Code quality mindset: testing (unit/integration), type safety (TS/pyright/mypy), CI/CD, and thoughtful review culture.
  • Excellent communication and teamwork; comfortable working cross-functionally with design, research, and GTM.
  • Comfortable operating production systems (logs, metrics, tracing) and meeting low-latency requirements.
  • No CS Degree required-we care about impact and craftsmanship.

Nice to Have:
  • Experience integrating LLM/memory features (RAG, embeddings, vector DBs) into products.
  • Familiarity with vLLM, model serving, or lightweight ML infra integrations.
  • Real-time features (WebSockets/Server Actions/streaming), file uploads, and background jobs at scale.
  • Infra awareness: Docker, IaC, basic K8s/Vercel/AWS/GCP deployment patterns and cost thinking.
  • Product/UI polish: Tailwind/Design Systems, charts, empty states, error UX, and performance budgets.
  • Security & privacy basics (PII handling, audit/logging).

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