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About the Company
HIFI is a financial infrastructure platform that provides the building blocks for cross-border payments and fiat-to-stablecoin products. We believe money should move at the speed of the internet through stablecoins and seamless bridges between fiat and digital assets. Our mission is to accelerate the world’s transition to modern, programmable money movement.
About the Role
We’re looking for software engineers excited about Web3 and blockchain technologies who can adapt quickly, collaborate effectively, and combine technical depth with creativity to solve complex problems. Whether you’re designing smart contract integrations, optimizing transaction flows, building APIs for on-chain/off-chain interoperability, or scaling systems that support mission-critical money movement, your work will directly shape the backbone of HIFI’s platform.
At HIFI, engineers own their work end-to-end: from design discussions and product input to building, shipping, and scaling systems in production.
We value people who:
- Find large challenges exciting and enjoy discovering and defining problems as much as solving them
- Deliver — you may enjoy thoughtful conversations and perfecting designs, but in the end, you care about building reliable solutions that ship
- Communicate clearly and comfortably across teams, asking questions, sharing ideas, and speaking up
- Learn quickly, stay curious, and adapt to new challenges with a growth mindset
- Move fast and stay effective in ambiguous, evolving environments, with a strong sense of urgency to get things done
- Give and receive feedback openly, and collaborate across functions
- Bring passion and experience — for Web3, modern payment solutions, or anything else — and channel it into their work
Responsibilities
- Smart Contract & Protocol Integrations: Design, implement, and maintain integrations with blockchain networks, stablecoins, crypto exchanges, and DeFi protocols
- API Development: Design, implement, and optimize APIs that connect businesses to HIFI’s financial infrastructure platform, with a focus on performance, reliability, and developer experience.
- Core Infrastructure: Build and scale backend systems that process transactions, ensure correctness, and provide strong guarantees around scalability, reliability, and fault tolerance.
- Transaction Reliability: Optimize transaction throughput, gas efficiency, and system resilience across chains and distributed services
- Collaboration: Work closely with product, compliance, and business teams to deliver end-to-end solutions
- Ownership: Participate in technical roadmap planning and carry projects from design through production
- User Focus: Engage with customers to understand their needs and translate them into effective solutions
Basic Qualifications
- Bachelor’s degree in Computer Science, Engineering, Math, or related STEM field, or equivalent practical experience
- 2+ years of professional software development experience
- Proficiency in one or more programming languages (JavaScript/TypeScript with Node.js, Go, Python, etc.)
- Experience working with RESTful APIs
- Familiarity with blockchain concepts (EOA vs. SCA, blockchain consensus, signature, EIP protocol, replay attack, transactions, events, etc.)
- Experience with PostgreSQL or other relational databases
- Working knowledge of version control (Git), CI/CD pipelines, testing, and monitoring/observability tools
- Strong communication and collaboration skills with both technical and non-technical teams
Preferred Skills & Experience
Interested candidates who meet the basic qualifications should consider applying. The following preferred skills and experience are helpful for this role, but candidates with only some of them are able to be successful on our team. Learning on the job is critical success and part of the excitement of working at HIFI.
- Hands-on experience building or integrating with smart contracts (Solidity, Rust, Move, or similar)
- Strong understanding of blockchain architecture, consensus mechanisms, and applied cryptography fundamentals
- Experience working with Ethereum and EVM-compatible chains (Polygon, Arbitrum, Base, Avalanche, etc.) as well as Solana; familiarity with additional ecosystems such as Sui, Tron, or Canton is a plus
- Proficiency with Web3 development tooling (ethers.js, viem, wagmi, web3.js, Hardhat, Foundry, etc.)
- Knowledge of event-driven architectures and messaging patterns (pub/sub, queues, streaming)
- Practical experience with production-grade gas management across different networks
- Exposure to job queues, caching systems, and data pipelines in distributed environments
- Deep understanding of security best practices for blockchain protocols and financial systems
- Track record of building or scaling blockchain-enabled products from zero to one
- Background in financial systems, payments, or stablecoin infrastructure
Additional Requirement
- Must be within a commutable distance from our office and able to work in person most days of the week
How much do crypto jobs pay?
The salaries for cryptocurrency jobs vary widely depending on the specific role, industry, location, experience, and other factors
However, in general, cryptocurrency jobs tend to pay relatively well compared to other industries
Here are some examples of average salaries for popular cryptocurrency jobs:
- Blockchain Developer: The average salary for a blockchain developer in the US is around $105,000 per year, with salaries ranging from $60,000 to $180,000 per year.
- Cryptocurrency Analyst: The average salary for a cryptocurrency analyst in the US is around $85,000 per year, with salaries ranging from $50,000 to $135,000 per year.
- Cryptocurrency Trader: The average salary for a cryptocurrency trader in the US is around $95,000 per year, with salaries ranging from $40,000 to $180,000 per year.
- Marketing and PR Manager: The average salary for a marketing and PR manager in the US is around $77,000 per year, with salaries ranging from $43,000 to $128,000 per year.
- Crypto Lawyer: The average salary for a crypto lawyer in the US is around $120,000 per year, with salaries ranging from $70,000 to $200,000 per year.
Is crypto jobs legit?
Yes, cryptocurrency jobs are generally legitimate, and the industry has created many job opportunities over the years
As the cryptocurrency industry has grown, it has attracted a significant number of legitimate businesses and organizations that require talented individuals to work in various roles, such as blockchain development, cryptocurrency analysis, trading, marketing, public relations, law, and compliance, among others
However, as with any industry, there are also fraudulent job postings and scams that try to take advantage of people looking for work
It is essential to be cautious and thoroughly research any company or job opportunity before applying or accepting a position
You should always verify that the job posting is from a legitimate company and never provide sensitive personal or financial information without ensuring that the opportunity is genuine
To avoid scams, you can do the following:
- Research the company before applying for a job or accepting a job offer. Check the company's website, social media, and reviews to ensure that it is legitimate.
- Verify the job posting and contact information. Ensure that the email, phone number, or website listed in the job posting is valid.
- Don't pay for a job or training. A legitimate company will not ask you to pay for a job or training.
- Be wary of job offers that sound too good to be true. If a job offer promises a high salary or unrealistic benefits, it could be a scam.
What careers are there in crypto?
The market of cryptocurrency jobs has grown rapidly in recent years, creating a wide range of career opportunities in various sectors
Here are some of the careers in crypto that you can explore:
- Blockchain Consultant: Consultants offer advice to businesses and organizations that are exploring the implementation of blockchain technology. They help with strategic planning, implementation, and optimization.
- Blockchain Developer: Developers are responsible for creating and maintaining blockchain-based applications and smart contracts. They need to have experience in coding languages like Solidity, C++, and Python.
- Crypto Compliance Officer: These professionals ensure that businesses operating in the crypto industry comply with relevant laws and regulations.
- Crypto Journalist: A journalist who specializes in reporting on cryptocurrencies and the blockchain industry. They write news articles, feature stories, and analysis.
- Crypto Lawyer: Lawyers who specialize in the crypto industry help navigate complex regulatory and legal frameworks.
- Cryptocurrency Analyst: An analyst researches and analyzes cryptocurrencies and the market trends. They provide insights on trading, investments, and risk management.
- Cryptocurrency Educator: Educators help individuals and businesses understand the concepts and technicalities of cryptocurrencies and the blockchain technology.
- Cryptocurrency Trader: Traders buy and sell cryptocurrencies on exchanges, making profits by predicting market movements.
- Marketing and PR Manager: These professionals are responsible for promoting crypto projects, managing the brand's online presence, and building community engagement.
Can you make a career out of cryptocurrency?
Yes, it is possible to make a career out of cryptocurrency
The cryptocurrency industry has grown rapidly in recent years, and there are now many job opportunities available in various sectors related to blockchain and digital currencies
Some of the most common career paths in cryptocurrency include blockchain development, cryptocurrency trading, cryptocurrency analysis, marketing and public relations, and cryptocurrency journalism
There are also roles in cryptocurrency consulting, law, and compliance, among others
To pursue a career in cryptocurrency, it is important to have a strong understanding of the technology and how it works
This may require education or training in computer science, economics, or finance, depending on the specific career path you choose
Additionally, keeping up with the latest developments in the industry is crucial to stay competitive and relevant
As with any career, success in the cryptocurrency industry also requires a strong work ethic, dedication, and a willingness to continuously learn and adapt to new developments
While the industry is still relatively new and rapidly evolving, it has the potential to offer exciting and rewarding career opportunities for those who are passionate about the technology and willing to put in the effort to succeed.
What is crypto jobs?
Crypto jobs refer to employment opportunities in the cryptocurrency industry
This can include jobs related to the development of cryptocurrency technology, such as blockchain development, as well as jobs in crypto-related companies, such as exchanges or payment processing firms
Some examples of crypto jobs include blockchain engineers, crypto traders, and compliance specialists
These jobs often require specialized knowledge and expertise in the field of cryptocurrencies and blockchain technology.