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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Platform Foundations - **Company:** ONE STOP COLLECTIBLE CORP - **Location:** United States - **Experience:** Expert - **Salary:** $124,000.0 - $146,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Audit Trail, Cloud Computing, Databases, Continuous Integration, Software Debugging, Distributed Systems, Multi-Factor Authentication, Python (Programming Language), Key Management, PostgreSQL, Automation of Marketing, MongoDB, Node.Js, OAuth, OpenID, Role-Based Access Control, Security Assertion Markup Language (SAML), Session Management, Software Engineering, TypeScript, Workflow Management Systems, Datadog, Data Storage Technologies, Cloud Platform System, Large Language Models, Multi-Agent Systems, Backend, Event Driven Architecture, Kubernetes, Restful APIs, Docker, Golang - **Published:** September 10, 2026 - **Apply:** https://startup.jobs/software-engineer-platform-foundation-blend-10022633 ## About the Role * 6+ years of professional software engineering experience. * Strong backend engineering experience in Go, TypeScript/Node.js, Java, Python, or a similar language. * Experience designing and operating production distributed systems, APIs, databases, and asynchronous workflows. * Strong understanding of authentication, authorization, sessions, tokens, identity protocols, and secure API design. * Experience building secure, reliable systems that handle sensitive data and enforce access controls. * Familiarity with cloud infrastructure, containers, Kubernetes, CI/CD, and production observability. * Strong system-design skills and the ability to make sound technical tradeoffs. * Clear written and verbal communication skills, including the ability to influence across teams. * A practical ownership mindset: comfortable debugging production issues and improving systems end to end., * Experience with AI agents, LLM tool use, automation platforms, or human-in-the-loop systems. * Experience designing secure agent runtimes, sandboxing, permission models, or safety controls. * Experience with enterprise identity integrations and SSO. * Experience with workflow engines, event-driven architectures, or platform engineering. * Experience in fintech, security, healthcare, or another regulated industry. * Experience mentoring engineers or leading cross-team technical initiatives. ## Description We are hiring a Senior Software Engineer to build and evolve the foundational systems that power our products. This role focuses on backend platform engineering, authentication and authorization, developer infrastructure, and secure AI-assisted automation. You will work on high-impact systems used across the organization: identity, access control, APIs, asynchronous workflows, shared services, and background agents that help internal teams investigate and resolve operational issues., * Lead technical design for APIs, distributed systems, data storage, workflow orchestration, and service integrations. * Build secure authentication and authorization systems for users, partners, services, and API clients. * Develop and maintain login flows including SSO, OAuth/OIDC, MFA, session management, token lifecycle, and role- or scope-based access control. * Improve platform security through strong access controls, auditability, secrets management, tenant isolation, and secure service-to-service communication. * Build background-agent systems that automate support and operational workflows while maintaining clear safety controls and human oversight. * Develop integrations with collaboration, ticketing, source-control, and internal operational tools. * Create safe AI-agent execution patterns, including isolated runtimes, scoped permissions, tool allowlists, approval workflows, and output-safety checks. * Improve reliability and operability through monitoring, tracing, incident response, testing, and performance engineering. * Partner with product, security, infrastructure, and support teams to turn complex requirements into scalable platform capabilities. * Mentor engineers, contribute to technical standards, and lead design discussions across teams. * Lead complex projects, make strong architectural decisions, and improve the systems around them. * Set technical direction for broader areas, align teams around platform investments, and create leverage through mentorship, standards, and architecture., * Go, TypeScript, and Node.js * RESTful APIs and distributed services * PostgreSQL, MongoDB, and event-driven systems * Workflow orchestration and asynchronous job processing * Docker, Kubernetes, cloud infrastructure, and CI/CD * OAuth 2.0, OIDC, SAML, JWTs, MFA, RBAC, API scopes, and service authentication * Observability tooling, including metrics, logs, tracing, and alerting * AI-agent frameworks, tool calling, secure execution environments, evaluations, and human-in-the-loop workflows ## Related Videos - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [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) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Building a Multi-Agent Orchestration Engine That Actually Follows the Rules](https://www.wearedevelopers.com/videos/100159-building-a-multi-agent-orchestration-engine-that-actually-follows-the-rules) - [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) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [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) - [The Best X (Twitter) Accounts for Developers](https://www.wearedevelopers.com/magazine/294-the-best-x-twitter-accounts-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)