Senior Wallet Developer

• Responsible for software development, systems integration, system design, and implementation of secure wallet infrastructure.
• Develop backend services, APIs, and wallet systems using technologies such as C#/.NET, Node.js, and TypeScript.
• Design and implement secure wallet infrastructure, transaction workflows, and integrations with digital asset networks, financial systems, and external infrastructure partners such as Fireblocks and other custody and wallet service providers, with familiarity in Multi-Party Computation (MPC) technologies.
• Develop and integrate REST APIs, gRPC, WebSockets, streaming data, and event-driven services.
• Build and maintain developer tools, internal services, and automation that improve engineering efficiency and system reliability.
• Work with modern infrastructure and deployment technologies such as Docker, Kubernetes, CI/CD platforms, AWS, and cloud environments.
• Apply a strong security-first approach to application development, wallet infrastructure, key management, access controls, cryptographic operations, and sensitive financial data.
• Recommend system solutions by evaluating the security, scalability, performance, reliability, and maintainability of different technologies and architectures.
• Work with external technology and infrastructure partners to integrate wallet, custody, payment, blockchain, and financial services.
• Support systems involving transaction processing, digital asset transfers, monitoring, confirmations, reconciliation, and real-time financial data.
• Research and evaluate emerging technologies, software tools, and blockchain infrastructure to continuously improve wallet systems and engineering practices.

• Strong professional experience developing production-grade software.
• Advanced experience with C#/.NET, TypeScript/JavaScript, Node.js, or similar technologies.
• Experience building and integrating REST APIs, gRPC, WebSockets, streaming data, and event-driven systems.
• Experience with modern infrastructure and deployment technologies such as Docker, Kubernetes, CI/CD platforms, AWS, GCP, and cloud environments.
• Familiarity with Linux environments, command-line tools, system administration, and troubleshooting.
• Experience working with cloud and/or bare-metal infrastructure in production environments.
• Strong understanding of secure coding practices, software architecture, authentication, authorization, and secrets management.
• Experience working with financial services, payment systems, trading systems, digital assets, or other security-sensitive applications.
• Experience integrating with external technology and infrastructure partners, such as custody, wallet, payment, or blockchain service providers.
• Working knowledge of KYC, KYT, AML, Travel Rule, sanctions screening, transaction monitoring, and other regulatory requirements relevant to digital asset and financial services infrastructure.
• Ability to troubleshoot and resolve complex issues across distributed systems and production environments.
• Ability to work effectively in a fast-paced environment with rapidly changing technologies and requirements.
• Strong ownership, problem-solving, communication, and collaboration skills.
• Bachelor's degree in Computer Science, Information Technology, Finance, Engineering, or a related field, or equivalent professional experience.

• Experience with Multi-Party Computation (MPC) and MPC-based wallet architectures.
• Experience with cryptographic key management, KMS, secure signing, custody infrastructure, transaction orchestration, and key lifecycle management.
• Experience with AWS services, particularly infrastructure, networking, security, and identity services.
• Experience operating bare-metal infrastructure and security-sensitive production environments.
• Familiarity with wallet and custody platforms such as Fireblocks and similar external service providers.
• Experience integrating with blockchain networks, exchanges, payment providers, custodians, and other digital asset infrastructure.
• Strong understanding of blockchain transaction flows, confirmations, balances, deposits, withdrawals, and reconciliation.
• Experience designing highly available, fault-tolerant, and security-sensitive systems.
• Strong knowledge of application, API, infrastructure, and cloud security.
• Experience building internal developer tooling, automation, testing frameworks, and operational tooling.
• Experience working with high-volume real-time and streaming financial data.
• Familiarity with Solidity and smart-contract technologies.
• Familiarity with emerging blockchain, cryptographic, distributed-system, and financial technology.

Strong production software experience with C#/.NET, TypeScript or JavaScript, Node.js, APIs, distributed systems, cloud infrastructure, secure coding, and financial or digital asset systems; bachelor's degree or equivalent experience.

Key Responsibilities

• developing wallet systems
• integrating financial services
• troubleshooting distributed systems

Skills & Tools

C#/.NET, Node.js, TypeScript, JavaScript, REST APIs, gRPC, WebSockets, Docker, Kubernetes, CI/CD, AWS, GCP, Linux, Fireblocks, Multi-Party Computation (MPC), KMS, Solidity

Job Details

• Category: Software Development
• Seniority: Senior Level
• Commitment: Full Time
• Workplace: Remote — Raleigh, North Carolina, United States
• Languages: English

About AlphaPoint

A financial technology company powering digital asset exchanges, brokerages, and institutional financial operations. — Industry: Finance