Senior Software Engineer

Build the infrastructure behind better decisions.

Larx is building decision intelligence infrastructure for mission-critical environments-transforming complex, fragmented data into clear, actionable insight.

We are seeking a Senior Software Engineer to help build and scale the Larx platform. You will develop robust software solutions for multi-source data integration, AI-enabled analysis, and operational workflows while helping shape the technical foundation of a fast-growing company.

This role is ideal for an experienced engineer who enjoys solving difficult problems, working across disciplines, and building dependable systems for users operating in complex, high-consequence environments.

What You’ll Do

Build and Scale the Platform

• Design, develop, and maintain the software systems that power Larx’s decision intelligence platform.
• Build and optimize APIs, backend services, data pipelines, and database architectures.
• Improve platform performance, reliability, security, and scalability as Larx grows.

Integrate Complex Systems and Data

• Collaborate with data scientists, engineers, and product leaders to integrate advanced analytics and AI models into operational workflows.
• Connect disparate data sources, services, applications, and analytical tools within a unified platform.
• Ensure interoperability across cloud, edge, on-premises, and mission-specific environments.

Solve Hard Problems

• Develop new approaches for ingesting, processing, analyzing, and presenting complex data.
• Identify opportunities to simplify data workflows and reduce cognitive burden for users.
• Evaluate emerging technologies and determine where they can create meaningful product or mission value.
• Work through ambiguity and make sound technical decisions in a rapidly evolving environment.

Strengthen the Engineering Team

• Work closely with Larx’s CTO and leadership team to align engineering priorities with product and company strategy.
• Contribute to architecture decisions, technical planning, and engineering best practices.
• Mentor junior engineers and support their technical development.
• Help foster a collaborative, accountable, and high-performing engineering culture.

Deliver Reliable Software

• Develop and maintain automated testing, debugging, and quality-assurance practices.
• Support system monitoring, logging, troubleshooting, and ongoing maintenance.
• Identify and resolve performance bottlenecks and reliability issues.
• Build software that users can trust in mission-critical environments.

Qualifications

• Bachelor’s degree in computer science, software engineering, information systems, or a related technical field—or equivalent professional experience.
• Five or more years of professional software engineering experience, including experience building and maintaining production systems.
• Experience developing APIs, backend services, databases, and data-intensive applications.
• Strong understanding of software architecture, automated testing, debugging, and performance optimization.
• Experience working collaboratively across engineering, data science, product, and design teams.
• Ability to operate independently, manage competing priorities, and make progress in a fast-moving startup environment.
• Strong written and verbal communication skills.
• A thoughtful, pragmatic approach to technical problem-solving.

Preferred Qualifications

Experience in one or more of the following areas is especially valuable:

• AI/ML model integration and agent-enabled analytical workflows
• Distributed systems and high-volume data pipelines
• Structured and unstructured data processing
• Knowledge graphs, graph databases, or advanced data architectures
• Secure software development for mission-critical applications
• Defense, national security, aerospace, energy, or other complex operational domains

Why Larx

At Larx, you will work on difficult, consequential problems alongside a team that values technical excellence, sound judgment, and speed of execution. You will have meaningful ownership, direct access to company leadership, and the opportunity to influence both the platform and the engineering organization as we grow.

We are not building another dashboard. We are building the infrastructure that helps people understand more, act faster, and make better-informed decisions.

Larx offers a comprehensive benefits package that includes:

• Medical, dental, and vision insurance
• Paid time off
• Additional employee benefits designed to support the health and well-being of our team

If you want to push the boundaries of what is possible with complex data-and build technology designed for real-world impact-and build technology designed for real-world impact-we would like to hear from you.

Larx is an equal opportunity employer. We are committed to creating an inclusive workplace and consider qualified applicants without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, veteran status, or any other status protected by applicable federal, state, or local law.