Bastion · 1 day ago
Senior Fullstack Engineer
United States
Full-time
Remote
Senior Level
$200K/yr - $260K/yrBastion is a company that enables financial institutions and enterprises to issue regulated stablecoins and expand their ecosystems. The Senior Fullstack Engineer will work on shipping features end-to-end, taking ownership of feature areas, and driving product impact through cross-functional initiatives.
Information TechnologyInternet
Responsibilities
Ramp on our full-stack architecture: backend services, frontend applications, APIs, and data flows
Ship a small feature end-to-end: backend endpoint, frontend UI, and database schema change
Fix bugs across the stack and improve test coverage for the code you touch
Take ownership of a feature area: user dashboard, transaction flows, admin tools, or API integrations
Lead a medium-scope project: building a new workflow, integrating a third-party service, or redesigning a key user experience
Improve system quality with better error handling, validation, observability, and user feedback
Lead a cross-functional initiative: new product capability, platform redesign, or major integration
Shape technical direction with design docs, architecture proposals, and mentoring team members
Partner with product, design, and compliance teams to make pragmatic tradeoffs on user experience, performance, and regulatory requirements
Building secure, performant APIs for stablecoin issuance, custody, and transfers
Creating intuitive user interfaces for complex financial workflows with real-time updates and clear error handling
Implementing transaction monitoring dashboards with filtering, sorting, and export capabilities
Designing and building admin tools for compliance, user management, and operational support
Integrating third-party payment rails, banking APIs, and blockchain networks
Optimizing database queries and API responses for sub-second latency at scale
Building robust form validation, authentication flows, and permission systems
Implementing real-time notifications and status updates across frontend and backend
Qualification
Required
Experience with full-stack architecture: backend services, frontend applications, APIs, and data flows
Proficiency in Go and TypeScript/Node.js; familiarity with Rust is a plus
Experience with building secure, performant APIs
Ability to create intuitive user interfaces for complex workflows
Experience with real-time updates and error handling
Knowledge of transaction monitoring dashboards and filtering capabilities
Experience designing and building admin tools for compliance and user management
Familiarity with integrating third-party payment rails and banking APIs
Experience optimizing database queries and API responses for performance
Knowledge of robust form validation and authentication flows
Experience implementing real-time notifications across frontend and backend
Familiarity with AWS services (ECS, EKS, Lambda), Kubernetes, Docker, and Terraform
Experience with observability tools like Datadog, Grafana, Sentry, and CloudWatch
Ability to work in a fast-paced startup environment
Willingness to work in a flexible-but-hybrid setting in New York City
Company
Bastion
Bastion blends the best of web2 and web3 technologies to broaden opportunities for organizations and their customers.
Founded in 2023
11-50 employees
H1B Sponsorship
Bastion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2023 (2)
Funding
Current Stage
Early StageTotal Funding
$39.6MKey Investors
Coinbase Venturesa16z crypto
2025-09-24Seed· $14.6M
2023-09-18Seed· $25M
Leadership Team
Nassim Eddequiouaq
Co-Founder & CEO
Recent News
2026-01-13
2026-01-13
Company data provided by crunchbase