Top 4 Principal software engineer Jobs in St. Louis, Mo

Principal Software Engineer
Trevity LLC —St. Louis, MO
- Full-time
- Azure
- Java
- Master's degree
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Principal Software Engineer - Full Stack
Ark PES —United States
- $130,000 - $180,000 a year
- Full-time
- Remote
- Computer Science
- Research
- Java
- Health insurance
- Dental insurance
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Principal Software Engineer

Trevity LLC
St. Louis, MO

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Job Details

Full-time

Qualifications

DevSecOps Practices
Continuous Delivery (CD) implementation
Enterprise software
Application Architecture Design (Architecture design skill)
Lean
Enterprise solutions implementation
Scalable systems
Enterprise software systems development
Supervising experience
Cloud security
Cloud Native Design
Leading team collaboration initiatives
Developing automated testing protocols
Scalability
Agile software development
Distributed computing
DevOps automation
Managing software development teams
Design (software development lifecycle)

Full Job Description

Job Description

Trevity LLC is seeking Principal Software Engineers to provide technical leadership and architectural oversight for enterprise-scale imagery exploitation, geospatial intelligence, and advanced analytics platforms supporting the IC and DoD enterprise. This role is responsible for driving the design and implementation of highly scalable, secure, and mission-focused software solutions leveraging cloud-native architectures, microservices, geospatial processing pipelines, and advanced API frameworks.
Principal engineers will serve as senior technical advisors across multiple development efforts, lead architecture decisions, mentor engineering teams, and collaborate directly with government stakeholders to modernize analytic and imagery exploitation workflows.
,
Required Skills

Education & Experience

Master’s degree and minimum 13 years of experience in software engineering or full stack development; OR
Bachelor’s degree and minimum 15 years of experience in software engineering or full stack development; OR
Minimum 17 years of equivalent professional experience in software engineering or related field.

Technical Skills

Demonstrated firsthand experience in at least four of the following:
Java, JavaScript, or Python enterprise application development-Web services architecture, design, and development
Relational database design
Spatial database design
NoSQL database design
Microservice architecture and development
Containerization and orchestration
API development
Cloud-native development in AWS, Azure, or Google Cloud
Extensive experience with enterprise database development and distributed systems.
Minimum 5 years of experience working within Agile and Lean software development environments.
Minimum 2 years of experience serving as a Scrum Lead, Team Lead, or Technical Lead.
Extensive experience with CI/CD pipelines, automated testing, and DevSecOps methodologies.
Strong experience designing enterprise-scale software architectures and secure cloud-native solutions.
Demonstrated ability to lead engineering teams and engage directly with senior stakeholders.

,
Desired Skills

Agile certifications such as Certified Scrum Master, PMI-ACP, or Certified Scrum Professional.
Extensive experience developing advanced geospatial analysis tools and automation workflows.
Experience integrating enterprise geospatial COTS applications and imagery exploitation platforms.
Experience supporting SAR, RADAR, or advanced imagery processing technologies.
Deep experience with ArcGIS Enterprise, PostGIS, Oracle Spatial, GeoServer, Image Server, and related geospatial platforms.
Experience with OGC standards, API abstraction layers, and modern enterprise service architectures.
Experience developing automated detection algorithms, terrain analysis visualization tools, or AI/ML-enabled analytics workflows.
Experience supporting enterprise geospatial modernization efforts across government or defense organizations.

,
About Trevity LLC

Trevity is a Minority-Service-Disabled Veteran-Owned small business built on talent, teamwork, and trust. We are headquartered in the VA/MD/DC metropolitan area providing expertise in science and analytical services to the US Government.

Our promise to both customer and employee is to achieve a positive working relationship by establishing trust while committing to growing as a team. To achieve our vision of staying at the forefront of an ever-evolving environment, we will stay devoted to ensuring Trevity’s workforce has the proper training, tools, and skills needed to support the customer.

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