Senior Web Developer – Onchain Wallet at Crypto.com
Role Overview
As a Senior Web Developer on the Onchain Wallet team, you’ll build and maintain high-performance, secure, user-friendly web applications integrating with on-chain wallets, crypto services, and blockchain infrastructure. You’ll partner with backend engineers, security teams, and product stakeholders to deliver a seamless wallet experience for users.
Key Responsibilities
Develop robust web front-ends and integrate them with the wallet infrastructure and blockchain APIs.
Ensure application performance, security, and responsiveness across devices and browsers.
Work cross-functionally with product, backend, and security teams to define and build features end-to-end.
Troubleshoot production issues; maintain code quality, documentation, and testing.
Mentor or guide more junior web developers; share best practices in front-end development and crypto wallet integration.
Requirements & Qualifications
At least 5 years of professional experience in web development (frontend or full-stack).
Expert proficiency in JavaScript/TypeScript and frameworks like React.
Experience with blockchain-wallet web integrations or Web3 interfaces preferred.
Strong understanding of security, performance optimization, and responsive web design.
Excellent collaboration and communication skills in a fast-moving cross-functional environment.
Please mention “I found this job at degen.jobs!” in your application, to bring more jobs to degen.jobs
Similar jobs
Staff Developer Advocate
@
Base
Developer Advocate, Web3
Remote
Engineering
$
194K
-
228K
/ yr
Spotlight
Front-End Engineer
@
Genius
Engineer, Frontend Engineer, Next.js, React, TypeScript
On-site
New York, NY
Engineering
$
150K
-
200K
/ yr
Featured
Filled
Quantitative Software Engineer
@
Gauntlet
DeFi, Engineer, Python, Software Engineer, SQL, Trading
Remote
NY, USA
Engineering
$
150K
-
205K
/ yr
Featured
Senior Staff Protocol Engineer
@
Base
senior protocol engineer, ethereum scaling, layer 2 engineer, base blockchain, OP stack developer, protocol research engineer, EVM performance, distributed systems engineer, consensus engineer, blockchain infrastructure, Rust developer, Go developer, ZK rollup scaling
Remote
Engineering
$
254K
-
299K
/ yr
Staff ML Engineer, Applied AI Platform
@
staff machine learning engineer, applied AI platform, senior ML engineer, ML infrastructure crypto, AI platform engineer fintech, LLM engineer production, ML operationalization, generative AI fintech, machine learning leader crypto, production ML platform engineer
Remote
Engineering
$
277K
-
415K
/ yr
Senior Trading Systems Developer (OMS & Trader Workflow)
@
trading systems developer, order management system, OMS engineer, institutional trading, crypto trading platform, backend engineer, front-end engineer, Java engineer, React engineer, Go engineer, Python engineer, real-time systems, trading workflow, high-performance systems, crypto broker-dealer infrastructure, digital assets engineering
On-site
Engineering
$
179K
-
242K
/ yr
Senior Software Engineer - Derivatives
@
engineering, senior software engineer, derivatives engineer, crypto derivatives, blockchain backend, fintech backend engineer, Python engineer, Go engineer, distributed systems, AWS, Kubernetes, institutional trading infrastructure, digital assets, high-performance systems, financial trading platform
On-site
Engineering
$
179K
-
242K
/ yr
Senior Software Engineer, Custody & Staking
@
senior software engineer blockchain, blockchain engineer, crypto infrastructure engineer, web3 engineer, backend blockchain developer, institutional crypto technology, blockchain protocol stack, EVM services engineer, global market crypto engineer, solidity/rust engineer
On-site
Engineering
$
179K
-
242K
/ yr
Validator Relations Associate
@
Jito Labs
Solana, SVM, Validator
Remote
Global
Engineering
$
45K
-
65K
/ yr
Smart Contract Engineer
@
UMA
DeFi, Engineer, Ethereum, GCP, Junior, Smart Contracts, Solidity, TypeScript, Web3
Remote
NY, USA
Engineering
$
160K
-
200K
/ yr
Senior Product Manager
@
Nomina
Crypto, Perps, Product, Product Manager, Spot, Terminal, Trading
Remote
NY, USA
Engineering
$
160K
-
180K
/ yr
Software Engineer
@
Optimum
C++, Data, DevOps, Engineer, PostgreSQL, Python, Rust, Software Engineer, SQL
Remote
Engineering
$
90K
/ yr
Filled
Research Engineer — ML / RL / Agents
@
Affine
AI, Decentralized Intelligence, Engineer, ML, Open Source, Reinforcement Learning, Research Engineer
Remote
Singapore
Engineering
$
150K
-
500K
/ yr
Filled
Senior Software Engineer / Architect
@
Affine
Architect, DevOps, Engineer, Python, Rust, Software Engineer
Remote
Singapore
Engineering
$
150K
-
500K
/ yr
Filled
Head of Fulfillment
@
Yieldschool
Client Experience, Fulfillment, Non-Tech
On-site
Canada
Engineering
$
144K
-
204K
/ yr
Senior Full Stack Engineer (TypeScript)
@
Rebind
Backend Engineer, Bank, Consumer, DeFi, Engineer, Fintech, Full Stack Engineer, Mobile, PostgreSQL, Stablecoin, TypeScript
On-site
Paris, France
Engineering
€
70K
-
120K
/ yr
Research Associate (Postdoc) in Blockchain Analytics and Data Engineering
@
University of Luxembourg
Data, Data Analytics, JavaScript, Postdoc, Python, R, Research, Rust, Web3
On-site
Luxembourg
Engineering
€
85K
/ yr
Mobile Software Engineer
@
Dash Core Group
Engineer, Kotlin, Mobile Engineer, Objective C, Open Source, Rust, Rust FFI, Software Engineer, Swift
Remote
Scottsdale, Arizona, USA
Engineering
$
50K
-
65K
/ yr
Software Engineer: Gauntlet App
@
Gauntlet
DeFi, Engineer, Python, React, Software Engineer, TypeScript, Web3
Remote
NY, USA
Engineering
$
165K
-
205K
/ yr