Trinity Cyber is an international cybersecurity firm that invents and operates innovative solutions to the most difficult cybersecurity challenges. The company’s products and services replace multiple market segments in the traditional cybersecurity market, with customers in over a dozen of the largest market verticals. The company’s founders, management team, and technologists are all award-winning, recognized leaders in their field—and their tech has revolutionized network security. 

Trinity Cyber

SENIOR BACK END WEB DEVELOPER - CYBERSECURITY Trinity Cyber pioneered active network defense — preemptive security that surgically removes threats from live traffic before attackers can establish presence on endpoints and networks. While competing Detection & Response approaches demand alert triage and reactive firefighting, our Full Content Inspection™ capability meets adversaries in the network and cleans malicious content from protocols, code, and files in real time — with sub-millisecond inspection latency and near-zero false positives. Every day, we work at scale: protecting over 3 million users and processing 1.5 trillion content objects. Due to Federal Contracts, we are limited to hiring only US citizens.
As a senior back end engineer on our web development team, you will help define new products and engineer the services empowering our customer-facing portal. You will integrate with our core engine and networking systems, develop scalable services for processing large volumes of data, and collaborate closely with our frontend engineers to deliver reliable, high-performance applications. This role requires strong Python expertise, experience with distributed systems and APIs, and the ability to operate effectively in a complex production environment.
How We WorkStrategic Autonomy: We hire self-starters and give them the space to innovate. As a senior member of the team, you will operate with minimal direction. We don't micromanage; we provide the objective and trust you to architect the solutionSophistication & Scale: You will tackle high-complexity work in a low-bureaucracy environment. We’ve removed the corporate fluff so you can focus on the technical challenges of global-scale networking.Remote Excellence: Enjoy the flexibility of a 100% remote role while collaborating with a high-caliber team that values technical integrity above all else.

What You’ll Do:Research & Invent: Develop scalable backend services powering new capabilities within our customer-facing portal, integrating with internal systems, and processing large volumes of operational data efficiently and reliably.Architect for Performance: Write clear, maintainable, and highly performant code.Quality Guardrails: Participate in rigorous code reviews to ensure that our codebase remains world-class.Design-First Engineering: Translate complex requirements into clear, predictable designs. You’ll participate in design reviews and change planning to ensure every move is calculated.
Core Requirements:Significant experience developing back end APIs supporting web client applications.Strong knowledge of server side languages and frameworks (prefer Python, Flask).Experience designing, implementing and integrating Web APIs (e.g. GraphQL / REST).Understanding of asynchronous programming methodologies.Experience working with SQL and NoSQL databases (e.g. PostgreSQL, Elasticsearch, MongoDB, Redis).Knowledge of modern web technologies (e.g. HTML5, JavaScript/TypeScript).Familiarity with SPA web frameworks (e.g. Angular, React, Vue).Comfortable working in Linux development environment.Strong understanding of computer security principles.Interest in solving problems and the desire to never stop learning.Experience with TDD and testing frameworks.Experience integrating with external APIs and third party libraries.Proven ability to learn quickly and solve significant problems with minimal direction.Experience with Continuous Integration / Deployment is a plus.Bachelors degree in Computer Science, Technology, Engineering, or Math is preferred.Must possess the highest level of personal integrity, value team success over individual achievement, and enjoy working on a fully remote team in a very high tech environment.
Why Join Us?You’ll be given the keys to a complex, high-speed environment where your work has immediate, tangible results. No red tape. No hovering managers. Just hard problems, a talented team, and a key role in helping to define the network security of the future.
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Back End Developer

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