What are the responsibilities and job description for the Founding Fullstack Engineer position at Beyond Mission Capable Solutions LLC?
Beyond Mission Capable Solutions (BMCS) LLC is a trusted partner in the cyber community.
Our clients in the Department of Defense, Air Force, Space Force and Federal Aviation have adopted our solutions for cybersecurity acquisition, implementation, and operational risk management challenges while planning for emerging security threats. As technologically sophisticated attacks are increasing, we are looking to grow our team of laser-focused cybersecurity engineers.
Our Partner is seeking a founding full-stack engineer to guide the company's evolution from a validated MVP (already in use by global enterprise) into a scalable, high-performance platform. Their mission is to expand while maintaining the industry's highest standards of security and reliability.
This team has an exceptional track record: multiple IPOs, several unicorns, and a reputation for combining creativity with execution. Their growth is remarkable, with average customer contracts expanding by 70% year over year, driving a net revenue retention rate of 170%.
What Will You Do
As a founding engineer, you will own the full lifecycle of their core products. You will work across the stack while collaborating closely with customers and go-to-market teams to address challenging, real-world problems. You will also mentor other engineers and help define what engineering excellence looks like within the organization.
Product Ownership & Development
Take end-to-end responsibility for applications built on:
Frontend: React, Typescript, NextJS, Tailwind
Backend: Typescript, NextJS, Gel/PostgreSQL
AI/ML: OpenAI, Anthropic, Cohere, Gemini, Milvus/QDrant/MongoDB
Cloud: AWS, Terraform, Helm, Kubernetes
AI and LLM Innovation
Improve the performance of their Retrieval Augmented Generation platform.
Experiment with foundation models and search techniques to set new benchmarks for generative AI in enterprise environments.
API Development
Enhance and expand developer-facing APIs to improve usability, speed, and integration within customer workflows.
Frontend Advancements
Refine user interfaces for design quality, feature depth, and responsiveness, making the product more intuitive and engaging.
Data Platform Evolution
Optimize systems to ingest, transform, and embed large-scale customer data.
Ensure billions of records from customer SaaS tools can be synced reliably for generative AI applications.
Job Qualifications
5 years of professional software engineering experience, including full-stack development.
Proven ability to design, build, and scale distributed systems.
Hands-on expertise with React, Typescript, NextJS, and Tailwind.
Strong backend experience with Typescript, NextJS, and PostgreSQL (Gel familiarity a plus).
Demonstrated experience with LLMs and AI/ML frameworks (e.g., OpenAI, Anthropic, Cohere, Gemini).
Proficiency with modern data infrastructure and databases (Milvus, QDrant, MongoDB).
Cloud infrastructure skills with AWS, Terraform, Helm, and Kubernetes.
Strong problem-solving mindset and ability to work directly with enterprise customers.
Previous experience mentoring engineers or contributing to high-performance engineering cultures.
Excellent communication skills and a collaborative, ownership-driven mindset.
Note: Beyond Mission Capable Solutions LLC maintains a drug-free workplace and an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, age, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.
For candidates in California: BMCS complies with the California Consumer Privacy Act ("CCPA")
Sponsorship: Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.