> Markdown version of [/jobs/ext/1759323-software-engineer-full-stack-security-platform](https://www.wearedevelopers.com/jobs/ext/1759323-software-engineer-full-stack-security-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Full-Stack - Security Platform - **Company:** VANNEVAR PARTNERS LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $150,000.0 - $215,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Relational Databases, Distributed Systems, Python (Programming Language), PostgreSQL, Machine Learning, Node.Js, OAuth, OpenID, Role-Based Access Control, Openid Connect, Security Assertion Markup Language (SAML), Session Management, Software Engineering, TypeScript, Okta, ReactJS, Backend, Front End Software Development, Api Design - **Published:** July 28, 2026 - **Apply:** https://job-boards.greenhouse.io/vannevarlabs/jobs/5196044007?gh_src=e954ac027us ## About the Role * 7+ years of software engineering experience, with a strong track record of designing, building, and operating scalable backend systems, and delivering full-stack features from conception through production. * Strong backend expertise, including proficiency in one or more modern backend languages (e.g., Python, Java), experience with relational databases (e.g., PostgreSQL), distributed systems, and API design. * Comfortable owning end-to-end development, including frontend work (e.g., React/TypeScript/Node.js) when needed, with a focus on delivering polished, customer-facing experiences rather than specializing exclusively in backend infrastructure. * Strong product intuition, with the ability to make pragmatic technical decisions, balance user needs with engineering tradeoffs, and thrive in ambiguous, fast-moving environments. * Experience with identity and authentication concepts and platforms, including OAuth 2.0, OpenID Connect (OIDC), SAML, JWTs, session management, RBAC/ABAC, SSO, Keycloak, OpenFGA, or other authentication and authorization systems. * Excellent cross-functional collaboration and communication skills, with experience partnering closely with product, design, security, and infrastructure teams, driving technical direction, and aligning stakeholders through ambiguity. * Nice to have + Active Security clearance or ability to obtain one and desire to travel to visit users, collect feedback, and debug issues + Prior experience working in a user-facing product role ## Description At Vannevar, we're building the next generation of mission software that powers decision-making across the national security, defense, and intelligence communities. Protecting the sensitive data and workflows behind those missions is foundational to our platform. The Security Platform team builds the authentication, authorization, and identity infrastructure that ensures the right people and services have access to the right resources-securely, reliably, and with minimal friction. In this role, you'll join a small, cross-functional team and own work across the stack-from frontend permission-management interfaces to backend services, authorization engines, and data models. You'll partner closely with product engineers, designers, compliance and application security teams, forward deployed engineers, and mission users to build security capabilities that are intuitive, scalable, and deeply integrated into the product experience. This is a high-impact opportunity to shape how Vannevar approaches identity and permissions, build reusable platform capabilities, and enable new customer workflows across our products. What you'll do * Build and scale Vannevar's centralized authentication and authorization platform, including tenant isolation across customer environments-from development through classified deployments. * Own the internal self-service platform for user, group, and permission management; partner with Design to deliver intuitive administrative experiences for developers and mission teams. * Build tooling and visualizations that help developers, administrators, and mission users understand and validate access permissions. * Own and evolve Vannevar's platform management interfaces, including the feature flag system, to support new products and customer needs. * Partner with product engineering teams to build shared authorization and resource-sharing capabilities across the platform. * Shape the long-term roadmap for the Security Platform team by driving scalable platform capabilities and improving the developer experience., Mid level Mid level Artificial Intelligence * Machine Learning * Software * Defense The Product Operations Lead will scale product deployments, deliver mission outcomes, curate insights from data, and manage operational processes in the defense technology sector. Top Skills: AIMl Vannevar Engineering Manager Yesterday Remote USA Senior level Senior level Artificial Intelligence * Machine Learning * Software * Defense Lead and grow a Security Platform engineering team to design and operate centralized identity and access services (IdP integrations, SSO, authorization frameworks). Define roadmap, partner cross-functionally, and drive adoption of secure-by-default access controls across products. Top Skills: Access ManagementAuthenticationAuthorizationAuthorization Policy FrameworksDistributed SystemsIdentity PlatformIdpSso Vannevar People Lead 2 Days Ago Remote USA Senior level Senior level Artificial Intelligence * Machine Learning * Software * Defense Lead people strategy and operations for a fast-growing defense AI company: design org structure, coach managers, own performance/compensation decisions, run benefits/payroll/compliance, lead investigations and sensitive offboardings, and build lightweight scalable people systems. What you need to know about the Colorado Tech Scene With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation. Key Facts About Colorado Tech * Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey) * Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3 * Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech * Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook) * Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures * Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Security Basics for Vibe Coders](https://www.wearedevelopers.com/magazine/598-security-basics-for-vibe-coders) - [Walking Into The Era of Supply Chain Risks](https://www.wearedevelopers.com/magazine/106-walking-into-the-era-of-supply-chain-risks) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)