Senior iOS Developer -Defi Wallet

Status
Taipei, Taiwan
Full time
Hybrid
Compensation is not specified
Role
iOS Developer
Description

We are a dynamic team dedicated to creating, enhancing, and maintaining software for innovative venture projects complementary to our core operations, focusing on rapid development with a lean team. As a vital member of our team, you will play a key role in designing various components for scalable applications, spanning from frontend UI to backend infrastructure.

The Onchain team is committed to delivering a secure and user-friendly digital currency wallet that operates across multiple chains. This wallet provides users with access to various DeFi, decentralized applications (dApps), and trading features all within one intuitive platform.

Key Responsibilities:

  • Collaborate closely with cross-functional teams in technology and product development to create innovative features for a large global user base.
  • Analyze product requirements and designs provided by product owners, offering valuable feedback based on your iOS development expertise.
  • Produce high-quality, modular, and scalable code that is both maintainable and testable within set timeframes.
  • Engage in regular meetings with your feature team and the wider iOS team to ensure your perspectives and ideas are well-received.

Required Skills and Qualifications:

  • Minimum of 5 years of full-time iOS development experience, with expertise in Swift and UIKit as well as solid knowledge of iOS best practices.
  • Familiarity with MVVM architecture; experience with SnapKit and RxSwift/Combine is advantageous.
  • Proficiency in Git and understanding of branching models like Git-flow and Trunk Based Development.
  • Strong problem-solving abilities and a commitment to continuous learning.
  • Knowledge of blockchain and web3 domains is desirable.
  • Excellent communication and collaboration skills.
  • Emphasis on delivering high-quality code and exceptional user experiences.
  • Experience in writing unit tests and snapshot/UI tests is a plus.
  • Candidates with additional experience will be considered for senior developer roles.
  • Candidates with team management experience will have an advantage.
  • Proficiency in Chinese with English as the working language.

Benefits:

  • Competitive salary.
  • Generous annual leave entitlement including birthday and work anniversary leave.
  • Flexible work arrangements with flexi-work hours and the option for hybrid or remote setups.
  • Career growth opportunities through internal mobility programs.
  • Work perks: crypto.com visa card provided upon joining.

About Crypto.com:

Founded in 2016, Crypto.com is a leading global cryptocurrency platform with over 80 million customers. Our vision is to make cryptocurrency accessible to everyone through innovation, security, and compliance. We are dedicated to fostering a diverse and inclusive work environment and encourage candidates with varied backgrounds to join our team.

Personal data provided by applicants will be used strictly for recruitment purposes. Only shortlisted candidates will be contacted.

Skills Required
Avatar
Сrypto.com
Company size
Not specified
Location
United States
Description
Not specified
Status

More Full-time Jobs

Show more

Product Manager – Portfolio Companies

Full time
Remote
Product Manager – Portfolio Companies
Sirex Portfolio Companies 
Salary: $135,000 – $190,000 USD base + equity 
Location: Remote-first
About the role Own product strategy and roadmap for 1–2 portfolio projects (DeFi protocols, trading platforms or RWA infrastructure).
What you’ll do
Define vision, prioritize features and write specs
Work directly with smart-contract and frontend teams
Design user flows and drive product-market fit
Run user research and iterate fast
Requirements
4+ years Product Management experience
Previous Web3/DeFi product experience mandatory
Strong technical intuition
Apply → Send CV + 1 strongest product case
Payment in Crypto
11,250-15,833
Monthly
See details

Frontend Engineer – Web3 Products

Full time
Remote
Frontend Engineer – Web3 Products
Sirex Portfolio Companies 
Salary: $120,000 – $175,000 USD base + equity 
Location: Remote-first
About the role Build beautiful, high-performance frontends for DeFi, RWA and agent platforms (Next.js + Wagmi/Viem stack).
What you’ll do
Ship trading interfaces, dashboards and wallet flows
Optimize for mobile and lightning-fast UX
Integrate with smart contracts and oracles
Work directly with design and product teams
Requirements
3+ years Next.js / React + TypeScript
Strong experience with Wagmi, Viem, RainbowKit or similar
Web3 product intuition (wallets, transactions, gas UX)
Apply → Send CV + GitHub
Payment in Crypto
10,000-14,583
Monthly
See details

On-Chain Data Analyst

Full time
Remote
On-Chain Data Analyst
Sirex Fund + Portfolio 
Salary: $110,000 – $160,000 USD base + equity 
Location: Remote-first
About the role 
Turn raw blockchain data into actionable investment insights and portfolio monitoring tools.
What you’ll do
Build and maintain Dune dashboards + custom indexers
Track TVL, user activity, token flows and protocol health
Create weekly investment memos and anomaly alerts
Support due diligence with on-chain forensics
Requirements
Strong SQL + Python experience
Deep knowledge of The Graph, Dune, Flipside or custom subgraphs
Previous crypto research or trading background
Apply → Send CV + 1 example Dune dashboard
Payment in Crypto
9,167-13,333
Monthly
See details

Operations Associate / Chief of Staff

Full time
Remote
Operations Associate / Chief of Staff
Sirex Fund Salary: $95,000 – $135,000 USD base + carry Location: Remote-first
About the role Be the right-hand person to partners: run fund operations, portfolio support and internal processes.
What you’ll do
Manage deal flow, data rooms and investment memos
Coordinate portfolio reporting and founder updates
Handle legal, compliance and admin tasks
Support events, LP communication and hiring
Requirements
2–4 years in VC, startup ops or consulting
Extremely organized and fast-moving
Web3/native crypto understanding is mandatory
Apply → Send CV + short note “Why you’d be a great CoS”
Payment in Crypto
7,917-11,250
Monthly
See details

Community & Growth Lead

Full time
Remote
Community & Growth Lead
Sirex Portfolio Companies Salary: $110,000 – $155,000 USD base + equity + token package Location: Remote-first
About the role Own community strategy and growth for 2–3 portfolio projects (AI agents, RWA platforms, DeFi protocols).
What you’ll do
Build and scale Telegram, Discord, X and on-chain communities
Run engagement campaigns, AMAs, airdrops and incentive programs
Create content calendars and growth experiments
Track metrics and report directly to founders
Requirements
3+ years community/growth experience in Web3
Proven track record of growing communities from 0 to 10k+ active members
Strong writing and meme/game theory skills
Apply → Send CV
Payment in Crypto
9,167-12,917
Monthly
See details