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++hellohello is a boutique digital product design and development agency that provides services to clients; the role involves billable, client-facing work.

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Posted 3w ago

Sr. Full-Stack Engineer

++hellohello
United States
RemoteFull Time
Responsibilities
  • architecting systems
  • mentoring engineers
  • leading initiatives
Requirements
  • 5+ years full-stack experience
  • Strong expertise in React, TypeScript, Node.js
  • Experience with cloud infrastructure
  • Databases, APIs
  • Observability, and leading technical projects
  • Mentoring experience
Technical tools mentioned
ReactTypeScriptNode.jsGoRustThe GraphAlchemyMoralisSolidity

Job description

ABOUT US

++hellohello is a digital experience agency where exceptional talent comes together to design and build brands and products that stand out and transform companies. We work with ambitious clients looking to redefine what's possible in their industries.

At ++hellohello, great design is our obsession.

If you're one of us, you'll find the best kind of reward here: work you're genuinely proud of.

You'll also find a team that checks their egos at the door. We believe in assuming the best of each other, fighting for excellence in everything we do, supporting one another when things get hard, and taking real ownership of our work.

Sound like you? Good.

We hope you crush it here.

OUR VALUES

  • Care: We give a sh*t, with a passion.
    Working with a positive attitude in what we are passionate about makes the work feel less like a job. We put the same love into the design of an app as we do into a spreadsheet or a line of code. We show up for the small things just as hard as the big ones.

  • Respect: We're wonderfully human.
    We've got each other's backs, no exceptions. We want you to show up as yourself, we embrace differences and care about making each team member feel comfortable and safe. We know how to have a good time and laugh at ourselves, without punching down.

  • Collaboration: We send our egos to the beach.
    We do not believe in private ownership of knowledge. What we know, we share. We always work as a team, so when we win, we all win. We are confident enough to trust the quality of our work and humble enough to accept different opinions.

  • Transparency: We do real talk.
    We do not negotiate integrity, transparency, respect or equality. We care for each person and believe that the best way to do this is to talk and tell each other when something is working and when it is not. Each person is an integral part of the team.

  • Non-conformism: We learn every day, we go again.
    Curiosity and restlessness are in our nature. We know that what we know today is not enough, and that what we will know in 10 years is not enough either. We are uncomfortable with comfort. We are not satisfied and we are always looking to learn something new and thinking about what we are going to do next.

RESPONSIBILITIES

  • Architect and build scalable product systems across frontend and backend.

  • Lead technical initiatives and system design discussions.

  • Improve reliability, scalability, and engineering velocity.

  • Mentor engineers and contribute to engineering standards.

  • Collaborate cross-functionally with product, design, and leadership.

  • Drive execution from concept through production.

REQUIREMENTS

  • 5+ years of full-stack engineering experience.

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

  • Experience with cloud infrastructure and production systems.

  • Strong understanding of databases, APIs, observability, and performance.

  • Experience leading technical projects and mentoring engineers.

NICE TO HAVE

  • Familiarity with Go or Rust

  • Experience working with blockchain/Web3 data providers like The Graph, Alchemy, or Moralis.

  • Prior work on tokenized asset platforms, DeFi protocols, or custodial/wallet infrastructure.

  • Understanding of Solidity or other smart contract languages.

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