Full-Time

Backend Engineering Manager

Fun.xyz

Fun.xyz

51-200 employees

Cross-chain wallet API for DeFi payments

No salary listed

New York, NY, USA

Hybrid

Category
Software Engineering (1)
Required Skills
Blockchain
REST APIs
Requirements
  • Experience as an individual contributor engineer with staff-level output
  • Strong technical background in distributed systems, APIs, and database design
  • Opinions on a modern cloud stack
  • Leadership experience in high-performing engineering teams
  • Experience with payment systems, financial infrastructure, or fintech applications
  • Exceptional communicator who can translate technical concepts to cross-functional stakeholders
  • Data-driven approach to decision making with focus on system performance and team productivity
Responsibilities
  • Own the overall output of the backend engineering team - deliver reliable, scalable infrastructure that supports our growing Web3 payments platform
  • Lead, mentor, and grow a team of backend engineers while fostering a culture of technical excellence and continuous learning
  • Collaborate with product and protocol teams to translate business requirements into robust technical solutions
  • Establish engineering best practices, code quality standards, and deployment processes
  • Lead incident response and post-mortem processes to continuously improve system reliability
Desired Qualifications
  • Previously worked at crypto startup or Web3 infrastructure company
  • Experience with blockchain integrations, smart contracts, or DeFi protocols
  • Background with high-scale payment processing or financial compliance systems
  • Track record scaling backend systems at a high-growth startup

Fun.xyz provides APIs and infrastructure to build cross-chain decentralized wallets on the Odsy Network. Developers integrate wallet APIs and protocols to enable secure, interoperable wallets that manage cross-chain transfers and payments within Odsy. It specializes in Odsy Network wallet infrastructure and dWallet tooling, focusing on developer tools and cross-chain payments rather than generic wallets. Its goal is to enable a tokenized world with seamless cross-chain wallet experiences for developers and businesses on Odsy.

Company Size

51-200

Company Stage

Series A

Total Funding

$82.9M

Headquarters

San Francisco, California

Founded

2022

Simplify Jobs

Simplify's Take

What believers are saying

  • Singapore office expansion captures Asia-Pacific growth as crypto adoption accelerates globally.
  • Regulatory shifts drive Meta, Stripe, Shopify demand for fiat-crypto conversion rails.
  • $72M Series A from Multicoin Capital and SignalFire funds engineering and acquisitions.

What critics are saying

  • Polymarket's engineering team replicates deposit rails, terminating partnership within 12-18 months.
  • Odsy Network fails adoption due to Ethereum and Solana interoperability issues.
  • Singapore MAS licensing restrictions halt fiat-crypto conversions, eliminating 30% global volume.

What makes Fun.xyz unique

  • Processes $18B+ annual payments volume with 99.999% success rate for crypto deposits.
  • Powers deposit infrastructure for Polymarket, Aave, and Lighter with meticulous edge-case handling.
  • Aggregates 50+ payment methods across 100+ countries into unified checkout flow.

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Your Connections

People at Fun.xyz who can refer or advise you

Benefits

Health Insurance

Flexible Work Hours

Remote Work Options

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Paid Holidays

Wellness Program

Mental Health Support

Phone/Internet Stipend

Home Office Stipend

Conference Attendance Budget

Professional Development Budget

Stock Options

Company Equity

Hybrid Work Options

Growth & Insights and Company News

Headcount

6 month growth

-8%

1 year growth

-5%

2 year growth

-10%
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Play for Fun, a subsidiary of Kunlun Group, has introduced Club Koala, an innovative AI-powered user-generated content (UGC) platform.

The Block
Oct 31st, 2022
Tinder co-founder's Jam Fund backs Fun’s $3.9 million raise

Blockchain software development company Fun has raised $3.9 million to build on the Odsy network.

Crowdfund Insider
Oct 30th, 2022
Blockchain Software Dev Firm Secures $3.9M To Build DWallet Apps | Crowdfund Insider

Fun announced it raised $3.9M in a pre-seed funding round led by JAM Fund, and joined by SOMA Capital, NOMO Ventures, others.

FinSMEs
Oct 28th, 2022
Fun Raises $3.9M in Pre-Seed Funding

Fun, a New York-based blockchain software development company, raised $3.9M in Pre-Seed funding