Senior Software Developer (Rust)

7+ years of professional software development experience, ideally in a startup, SaaS, cybersecurity, identity, government technology, or other complex software environment.

Demonstrated experience working across modern web application stacks, ideally including Rust-based backends (e.g. Axum/Tokio, Actix, Rocket, etc.), Docker, and PostgreSQL.

Deep knowledge of development for the web, with JavaScript, HTML, and CSS fundamentals.

Strong experience working with and building web APIs, including REST or similar API patterns.

Ability to own feature delivery end-to-end, from requirements and technical design through implementation, testing, documentation, and release.

A security-minded approach to development, with willingness to make software or hardware tradeoffs when required by security needs.

Experience working in a team development environment, including stand-ups, sprint planning, code reviews, technical discussions, and collaborative delivery.

Strong communication and collaboration skills, with the ability to coach, support, and mentor peers.

Enthusiasm for well-organized code, clear documentation, and maintainable development practices.

Good judgment in ambiguous technical situations, including the ability to define tasks from requirements, manage changing priorities, and propose practical solutions.

Comfort in a small but growing company, where ownership, adaptability, and thoughtful execution matter.

Experience working with authentication and authorization protocols such as SAML, OIDC, or OAuth2.

Experience working with various PKI-based authentication mechanisms such as FIDO2/WebAuthn/Passkeys, mTLS, etc.

Experience with deployment platforms, with a focus on containerization (Docker, Kubernetes).

Experience with frontend frameworks (e.g. Angular), end-to-end testing (e.g. Cypress), and continuous integration tools.

Exposure to FedRAMP or other regulated software environments.

Knowledge of compliance frameworks or secure software delivery requirements.

Experience contributing to security-sensitive, enterprise-level, or government-facing applications.

Experience mentoring developers, improving engineering practices, or helping mature a development team.

Lastwall offers a competitive compensation package aligned with the scope and impact of the role. Final compensation will reflect experience, location, and fit with the mandate.

This is an opportunity to join after the product, customers, and proof points are real—but before the next stage of scale is fully built. Lastwall has a proven platform, demanding customers, meaningful accreditations, strong market timing, and new strategic perspective from investors and board leadership.

At Lastwall, your voice is heard, recognized, and valued. We are building a people-first, security-always culture where strong contributors can have meaningful impact as the company grows.

For the right candidate, this is a chance to help build secure, resilient software at the intersection of identity, sovereignty, resilience, and national security.

We are a cybersecurity company with offices in the United States and Canada, specializing in the development and delivery of highly secure, identity-centric, and quantum-resilient cybersecurity solutions. We aim to build innovative, security-first technologies designed for compliance-driven and threat-intensive environments such as those found in defense, government, and critical infrastructure sectors.

Our solutions are engineered with a security-first approach, leveraging cutting-edge advancements in identity and digital defense to outpace threat actors and protect sensitive systems from evolving cyber threats. By focusing on inhibiting the efficacy of adversaries and exponentially bolstering client security, we provide essential tools to safeguard operations in some of the most mission-critical industries.

If you’re a US or Canadian Citizen who is passionate about working at the forefront of cybersecurity technology in environments that demand unparalleled security and reliability, we’d love to have you join our team!