Full Stack Engineer

Mem0

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

Qualifications

  • 2+ years full-stack web application experience with Next.js/React and Python
  • Strong expertise in Python and familiarity with modern web stacks (REST/GraphQL, Postgres, Redis, Celery)
  • Proficient in front-end concepts: component architecture, state management, and accessibility
  • Demonstrated ability to take ownership of features from design to deployment
  • Focused on code quality: testing, type safety, and CI/CD practices
  • Strong communication skills for cross-functional collaboration
  • Experience operating production systems with low-latency demands

Responsibilities

  • Ship end-to-end features: design APIs, build UIs, write backend logic, and manage data models
  • Build for scale and speed: optimize latency, caching, and backend reliability
  • Ensure code quality: write tests, enforce best practices, and maintain documentation
  • Collaborate with design, research, and customers for effective UX and feature requirements
  • Manage production operations: observe systems, set alerts, and debug issues
  • Lead product decisions: prioritize features and iterate based on data
  • Embrace versatility: unblock teams and learn new tools as needed

Benefits

  • Flexible work culture that values impact and craftsmanship
  • Opportunity to lead and own product outcomes
  • Collaborative environment with design and research teams
  • Focus on cutting-edge technologies like LLM and memory integration
  • Work with a modern tech stack that encourages continuous improvement
  • No specific educational background required, embracing talent diversity
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
  • 2+ years proven experience shipping full-stack web applications at scale. Our stack is 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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