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Senior Software Engineer – Cryptography / Digital Asset Security
Our client, a leader in the financial services industry, has an excellent opportunity for a Senior Software Engineer with cryptography and Digital Asset Security expertise to work on a 12+ month contract-to-hire role in New York, NY. This position is 4 days a week onsite and 1 day a week remote.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $89 - $94/hr w-2
Responsibilities:
• Design and develop secure backend systems supporting digital asset custody and crypto wallet infrastructure
• Implement advanced cryptographic protocols, including MPC frameworks and secure key management solutions
• Integrate blockchain nodes and APIs to construct, sign, and broadcast transactions across networks (Bitcoin, Ethereum, Solana)
• Build and optimize systems leveraging trusted execution environments such as Intel SGX and secure enclaves
• Collaborate with cross-functional teams to ensure system security, scalability, and resilience in highly sensitive environments
Requirements:
• 5–10+ years of software engineering experience with a focus on backend and secure systems development
• Strong programming expertise in Rust (preferred), Go, or C/C++
• Hands-on experience with cryptographic libraries such as OpenSSL or MPC-based frameworks
• Experience with trusted execution environments (Intel SGX) and hardware security modules (HSMs)
• Strong understanding of blockchain technologies, transaction structures (Bitcoin UTXO, Ethereum RLP), and wallet systems
Preferred Skills:
• Master’s or PhD in Computer Science, Cryptography, Mathematics, or related field
• Experience with advanced cryptographic concepts such as MPC algorithms, homomorphic encryption, or oblivious transfer
• Familiarity with hierarchical deterministic (HD) wallet/address schemes and cold wallet architectures
• Experience in digital asset or blockchain-focused startup environments
• Knowledge of secure data transmission techniques such as QR-based systems
Job #: JN-072026-107749
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact [email protected].
How to get a job with Bitcoin?
Getting a job with Bitcoin will depend on your skills and experience, as well as your interests in the cryptocurrency industry
Bitcoin industry is still relatively new, and there are many opportunities for people with diverse backgrounds and skillsets
With persistence and dedication, you can find a job in the Bitcoin industry that matches your skills and interests
Here are a few steps that you can take to increase your chances of getting a job with Bitcoin:
- Research the Industry: Before you start looking for a job in the Bitcoin industry, it's important to understand what the industry entails. You can start by reading news articles and whitepapers about Bitcoin, understanding its market trends and history, and learning about blockchain technology.
- Learn New Skills: To be competitive in the job market, you need to have the right skills. Depending on the job you want, you may need to learn skills such as programming, cryptography, blockchain development, or marketing.
- Build a Network: Networking is crucial in any industry, and the Bitcoin industry is no exception. Attend Bitcoin conferences and events, join online forums, and engage with people in the industry. Building relationships with industry insiders can help you learn about job opportunities before they're posted.
- Look for Job Openings: Keep an eye out for job postings related to Bitcoin and blockchain technology. Job boards like CryptoJobs, Indeed, and LinkedIn can be good places to start your search. You can also visit the websites of Bitcoin-related companies to see if they have any job openings.
- Prepare for the Interview: Once you've found a job opening that interests you, it's time to prepare for the interview. Research the company, the position you're applying for, and the industry. Be ready to explain why you're interested in Bitcoin and how you can contribute to the company's success.