Replify Logo

Replify

Senior Software Engineer

Reposted 7 Days Ago
In-Office or Remote
Hiring Remotely in United States
Senior level
In-Office or Remote
Hiring Remotely in United States
Senior level
Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.
The summary above was generated by AI

About heyLibby

heyLibby is a seed-stage startup building the world’s best AI assistant for small to medium businesses focusing on the fitness and wellness industries. We were co-founded by Spencer Rascoff, the former CEO of Zillow and current CEO of Match Group. Our AI works seamlessly across phone, email, text, and chat to help businesses manage their communications efficiently. We move fast, prioritize impact, and work closely with top industry experts. Our culture values transparency, hard work, and making an impact.

About the Role

We are looking for a highly skilled and experienced Senior Software Engineer with the ability to architect, design, and build and with deep expertise in React, TypeScript, Node.js, and AWS. You will be a critical part of our small, high-impact team, architecting and building scalable systems while making quick and pragmatic architectural decisions. We value engineers who can think creatively, ship fast, and build practical solutions that drive real business value. We also use AI throughout all our daily tasks and are looking for engineers that can use the latest AI technologies to accelerate their development.

Responsibilities

  • Architect, develop, and maintain scalable, high-quality full-stack applications.

  • Design and implement frontend experiences using React and TypeScript. You will be our React/frontend expert to fill in and round out the team’s skills!

  • Build and optimize backend services using Node.js on AWS.

  • Collaborate closely with founders and the team to shape technical decisions and product direction.

  • Own features end-to-end, from idea to deployment.

  • Optimize performance and usability while maintaining high-quality code.

  • Work quickly and adapt to a fast-changing environment while maintaining a pragmatic approach to problem-solving.

  • Help to select design patterns, and architect solutions top to bottom.

Qualifications

Must-Haves:

  • 5+ years of professional experience in full-stack development.

  • Strong expertise in React, TypeScript, and Node.js.

  • Ability to use the latest AI technologies for development, testing, and other tasks

  • Deep understanding of AWS and cloud-based architectures.

  • Ability to independently design and architect systems.

  • Strong problem-solving skills and ability to move fast in a startup environment.

  • Excellent communication skills and ability to work collaboratively in a small team.

  • A ‘get-it-done’ attitude and a bias toward execution over perfection.

Nice-to-Haves:

  • Experience with AWS Amplify.

  • Experience working at an early-stage startup.

  • Familiarity with automated testing tools and CI/CD pipelines.

  • Experience with Identity and Access Management solutions.

  • Experience with Authentication and Authorization frameworks (OIDC, OAuth, etc.)

Why Join Us?

  • Fast-moving environment: We believe in moving fast and iterating quickly.

  • Work with top experts: Get the opportunity to collaborate with leading industry professionals.

  • Real impact: Your work will directly shape the future of AI-powered business tools.

  • Work-life balance: We work very hard but also respect the need to take care of life and family.

  • Equity and ownership: Be part of a small, high-impact team where your contributions are valued.

If you are an experienced software engineer looking to work in a high-energy, fast-paced, and fun startup, we’d love to hear from you. Apply now and help us shape the future of AI-powered business communication!

Similar Jobs

13 Hours Ago
Easy Apply
In-Office or Remote
Easy Apply
Senior level
Senior level
Cloud • Information Technology • Security • Software
Develop cross-platform device management software for Windows, macOS, and Linux using Go and Node.js. Build endpoint management engines, system agents, cloud APIs, MDM telemetry, and zero-touch enrollment pipelines. Work with operating system internals, authentication protocols, cloud infrastructure, CI/CD, Kubernetes, and automated testing. Collaborate with product, UX, architecture, and DevOps teams in a Scrum environment, contribute to planning, mentor junior engineers, and participate in on-call rotations.
Top Skills: AndroidAWSAzureC#C++Ci/CdDeclarative Device ManagementDockerGCPGithub ActionsGoiOSJavaKubernetesLinuxmacOSMdmMtlsNode.jsOauthOidcPythonScrumSwiftWindows
13 Hours Ago
Easy Apply
Remote
United States
Easy Apply
135K-187K Annually
Senior level
135K-187K Annually
Senior level
Consumer Web • Software • Travel
Lead technical direction for a central infrastructure team supporting all product engineering. Design and maintain AWS infrastructure, Terraform modules, CI/CD workflows, observability, security, networking, cost-visibility tooling, and operational platforms. Coordinate multiple initiatives, improve reliability and incident response, establish paved roads adopted by feature teams, guide infrastructure strategy, and coach engineers across the organization.
Top Skills: AWSCloudflareDatadogDnsFinopsGithub ActionsIamJfrogOidcTerraformWafWarp
Yesterday
Remote or Hybrid
USA
146K-183K Annually
Senior level
146K-183K Annually
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
Automate tests for web-based and mobile applications and RESTful APIs supporting high-transaction, big-data SaaS products. Drive high-quality releases, apply quality standards, support SDLC processes, solve complex problems, and promote a customer-first quality culture across the organization.
Top Skills: Crm SystemsErp SystemsMobile ApplicationsPayment SystemsPoint-Of-Sale SystemsRestful ApisSaaS

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account