Freelance Full Stack Developer Jobs in Tupelo, MS

Job Position: Full Stack Engineer Location: Tupelo/Oxford, Mississippi About Circadence Corp. Circadence is an award-winning, privately held, US-owned business that specializes in cybersecurity training and assessment platforms. Our core area of expertise is the development and management of cyber range capabilities, implementation of policies, processes and tools required to conduct cyber assessments, and cyber workforce development using Project Ares gamified training platform. Circadence is hiring a Full Stack Software Engineer to help build and evolve our Range Conductor product, which is a cyber range design and automation platform that transforms visual system and network designs into deployable infrastructure, automation workflows, and operational training environments. In this role, you will work across the frontend canvas editor, backend orchestration services, and automation layers that power large-scale cyber ranges used for training, red team and blue team exercises, and system validation. Tech Stack & Experience Frontend Next.js 14, React 18, TypeScript Material UI, Tailwind CSS React Flow for graph- and topology-based visualization Backend Python 3.10+ Django 5.2 Django Channels for WebSockets and real-time updates Ansible Core for automation and orchestration Infrastructure & Platform PostgreSQL, Redis Docker, NGINX VMware vSphere / vCenter APIs (PyVmomi) Core Responsibilities Build and enhance interactive, graph-based canvas tooling for cyber range and network design Develop and maintain Django REST APIs and WebSocket services to enable real-time collaboration and orchestration feedback Design and implement automation pipelines that translate visual designs into Ansible inventories and playbooks Integrate with VMware vCenter and related APIs to provision and manage virtual machines, networks, and infrastructure Support the full cyber range lifecycle, including design, deployment, modification, and teardown Write and maintain automated tests (Jest, Playwright) and contribute to CI/CD pipelines Required Skills 3–5 years of professional experience building full-stack web applications Strong proficiency with React, TypeScript, and modern frontend development patterns Strong proficiency with Python and Django, including REST API development Solid understanding of networking fundamentals, including TCP/IP, subnetting, VLANs, and routing Experience with Docker, Git-based workflows, RESTful APIs, and SQL databases Ability to reason about complex systems and communicate technical concepts clearly Preferred Skills Experience developing or maintaining Ansible automation and playbooks VMware vSphere or vCenter administration and API integration experience Background in cyber ranges, lab environments, or network automation platforms Experience building real-time or collaborative applications using WebSockets Familiarity with graph or topology visualization libraries such as React Flow or D3.js What You’ll Build As part of the Range Conductor team, you will help deliver a platform that enables users to: Visually design cyber ranges, networks, and system topologies using an interactive canvas Configure virtual machines, routers, firewalls, services, and user roles Automatically generate Ansible inventories, roles, and playbooks from visual designs Deploy complete cyber range environments to VMware-based infrastructure Manage IP addressing, VLANs, routing, and system configuration at scale Circadence Corporation is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law. Circadence will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements. https://www.eeoc.gov/employers/upload/poster_screen_reader_optimized.pdf All Circadence employees are expected to actively support diversity on their teams, and in the Company. NOTICE: Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.