Lead Full Stack Engineer

BluJuniper, Inc.; Arlington (VA); Hybrid; USD 150,000 - 230,000; Full time

Benefits offered by this job

Performance bonuses

Stock options

Health, dental, and vision coverage

Flexible hybrid work environment

Leadership growth

Job summary

BluJuniper, Inc. is seeking a Lead Full Stack Engineer in the Arlington, VA area to drive architectural decisions while staying hands-on across the stack.

You will design and implement scalable web applications, backend services, and secure cloud infrastructure, collaborating closely with product stakeholders and mentoring engineers. The role emphasizes leadership, production-quality code, and architectural excellence in a hybrid work environment based near Arlington.

Qualifications

• 7+ years of professional software engineering experience.
• Experience leading technical architecture and development while remaining hands-on.
• Strong proficiency in React and TypeScript.
• Experience building complex, interactive web applications.
• Production backend engineering experience with Rust.
• Strong experience with PostgreSQL, relational databases, and API design.
• Experience designing and deploying production applications on AWS or Azure.
• Experience with Terraform and infrastructure as code.
• Strong understanding of software architecture, authentication, authorization, security, and scalability.
• Ability to communicate technical decisions and collaborate effectively across engineering teams.
• Legally authorized to work in the United States.
• Ability to obtain and maintain a U.S. government security clearance.

Responsibilities

• Lead technical architecture and development across frontend, backend, and cloud infrastructure.
• Design and build sophisticated, interactive web applications using React and TypeScript.
• Develop high-performance backend services and APIs using Rust and PostgreSQL.
• Build intuitive, responsive interfaces for complex, data-intensive applications.
• Design secure, scalable cloud infrastructure using AWS or Azure and Terraform.
• Define API contracts, data models, and integration patterns.
• Establish engineering standards for performance, security, testing, and reliability.
• Lead technical design discussions, architecture reviews, and code reviews.
• Collaborate with engineers and product stakeholders to translate requirements into production software.
• Mentor engineers while remaining an active, hands-on contributor.

Skills

React/TypeScript

Rust (backend)

PostgreSQL

Cloud (AWS/Azure)

Terraform (IaC)

Security & scalability

Leadership & mentoring

Communication

Tools

Docker

Kubernetes

Terraform

Mapbox/MapLibre

Job description

BluJuniper is an AI and optimization company developing advanced software systems for complex operational environments. We are seeking a Lead Full Stack Engineer to help lead the development of a sophisticated software platform. This is a hands‑on technical leadership role for an engineer who enjoys solving difficult problems, writing production-quality code, and making important architectural decisions. You will work across the full technology stack, collaborate with a talented engineering team, and help establish the technical foundations for a scalable, secure, and reliable product.

What You’ll Do

• Lead technical architecture and development across frontend, backend, and cloud infrastructure.
• Design and build sophisticated, interactive web applications using React and TypeScript.
• Develop high-performance backend services and APIs using Rust and PostgreSQL.
• Build intuitive, responsive interfaces for complex, data‑intensive applications.
• Design secure, scalable cloud infrastructure using AWS or Azure and Terraform.
• Define API contracts, data models, and integration patterns.
• Establish engineering standards for performance, security, testing, and reliability.
• Lead technical design discussions, architecture reviews, and code reviews.
• Collaborate with engineers and product stakeholders to translate requirements into production software.
• Mentor engineers while remaining an active, hands‑on contributor.

Required Qualifications

• 7+ years of professional software engineering experience.
• Experience leading technical architecture and development while remaining hands‑on.
• Strong proficiency in React and TypeScript.
• Experience building complex, interactive web applications.
• Production backend engineering experience with Rust.
• Strong experience with PostgreSQL, relational databases, and API design.
• Experience designing and deploying production applications on AWS or Azure.
• Experience with Terraform and infrastructure as code.
• Strong understanding of software architecture, authentication, authorization, security, and scalability.
• Ability to communicate technical decisions and collaborate effectively across engineering teams.
• Legally authorized to work in the United States.
• Ability to obtain and maintain a U.S. government security clearance.

Preferred Qualifications

• Previous experience as a Lead Engineer, Tech Lead, or Staff Engineer.
• Experience bringing complex software products from prototype to production.
• Production experience with Rust.
• Experience with Mapbox, MapLibre, deck.gl, or similar mapping and geospatial visualization libraries.
• Experience building real‑time, data‑intensive, or highly interactive applications.
• Experience developing reusable UI component libraries and design systems.
• Experience with WebSockets, server‑sent events, or similar real‑time communication technologies.
• Experience with Docker, Kubernetes, Amazon ECS, or other cloud‑native technologies.
• Experience designing and operating secure applications in regulated environments.
• Experience building interfaces for analytics, optimization, or AI/ML systems.
• Active or previously held U.S. government security clearance.

Why Join BluJuniper?

Significant Technical Ownership

Take a leading role in architectural decisions and help shape the technical direction of an important software initiative.

Hands‑On Engineering

Remain directly involved in writing code and solving complex technical challenges. This is not a management‑only position.

Meaningful Work

Build advanced software that addresses challenging real‑world problems using modern technologies.

Engineering Leadership

Work alongside experienced engineers, establish technical standards, mentor teammates, and help grow a high‑performing engineering team.

This is a hybrid position based in Arlington, Virginia. Candidates must live in or be willing to relocate to the Washington, DC metropolitan area.

Candidates must be legally authorized to work in the United States and able to obtain and maintain a U.S. government security clearance. Additional eligibility requirements may apply.

• Performance bonuses and stock options.
• Health, dental, and vision coverage.
• Flexible hybrid work environment.
• Significant technical ownership and decision‑making authority.
• Opportunities for professional growth and leadership.