Full Stack Software Engineer
MPCH is a dual-use cryptographic infrastructure company providing governed key management, recovery, secure facilities, validator infrastructure, and AI authorization controls for institutional digital-asset, blockchain, government, and defense environments.
Maintainer signals as of 9/2/2026
Funding history
Projects
About MPCH
MPCH builds and operates hardware-backed, air-gapped cryptographic infrastructure. Its offerings include Stronghold-KMS for authority-key management, Stronghold-DR for disaster recovery and continuity, managed cryptographic vault services, regulated blockchain and validator infrastructure, and the ATLAS/APEX AI authorization and programmable-authority products. MPCH states that it was founded in 2021 and operates from New York.
Skills
About the Role
You will design, build, and maintain secure, scalable web applications and backend services. You will develop APIs and business logic, implement authentication and secure data handling, and contribute to cryptographic and privacy-preserving transaction workflows. You will write tests, improve CI/CD pipelines, participate in Agile ceremonies, and work with product stakeholders to deliver high-quality features.
Requirements
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
- 3+ years of full stack web application development experience in cloud environments
- Experience with secure application development
- Knowledge of React, Next.js, TypeScript, CSS, and HTML
- Knowledge of NestJS, Python, FastAPI, Kotlin, Java, C++, and Golang
- Familiarity with encryption, key management, HSMs, digital signatures, and cryptographic libraries
- Knowledge of GitHub Actions, Docker, Kubernetes, Jest, Pytest, JUnit, Git, Postman, Figma, Jira, and Google Cloud Platform
- Written and verbal communication skills
Responsibilities
- Build and maintain performant, secure, and scalable web applications using React, HTML, CSS, Next.js, and NestJS
- Integrate RESTful APIs into software applications
- Design and implement intuitive user interfaces with a focus on performance and usability
- Translate product requirements into high-quality features
- Design and implement APIs and business logic using NestJS, Python, C++, Golang, and Kotlin or Java
- Ensure backend services are reliable, scalable, and secure
- Implement secure data handling and user authentication mechanisms
- Implement secure communication protocols and cryptographic primitives
- Develop privacy-preserving and secure transaction workflows
- Ensure cryptographic operations are safe, correct, and performant
- Participate in Agile ceremonies, sprint planning, and retrospectives
- Write unit, integration, and functional tests
- Improve CI/CD pipelines and deployments
- Communicate technical concepts clearly across disciplines
Benefits
- Remote work