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Added 17 mins ago
SG
Backend Software Engineer, Weather & Aviation
Spire Global
Boulder, CO
- $34,986 USD / year
We're seeking a Senior Backend Software Engineer who has helped production systems scale, harden, and stay reliable as usage and expectations grew. You'll own critical services end to end,…
Added 29 mins ago
Solutions Lead, International Upmarket
Toast
Remote, United States
Lead security, IT and compliance reviews. Own vendor security questionnaires, PCI scoping conversations and the technical sections of RFPs.
Added 2 hours ago
MS
Field Engineer - Emergency Call Handling
Motorola Solutions, Inc.
Denver, CO
- $75,000 to $85,000 USD / year
The Emergency Call Handling (ECH) Field Engineer will report to the ECH Field Engineer Manager. The Field Engineer is ultimately accountable for the system being implemented based on the…
Added 2 hours ago
PG
Senior AI Engineer
Premier Global Links
San Francisco · San Francisco, CA
- $180,000 to $275,000 USD / year
Premier Global Links LLC is seeking an experienced Senior AI Engineer for an innovative financial technology company developing AI-powered business software, financial products, and…
Added 3 hours ago
Platform Software Engineer
Ford Motor Company
Dearborn, MI
We are seeking a highly motivated Platform Software Engineer to join our Enterprise Data Platform team. In this role you will work closely with engineering, operations, and architecture…
Added 3 hours ago
SA
Senior Forward Deployed Engineer
Sinch America Inc.
Denver, CO
- $155,000 to $186,000 USD / year
Sinch provides API-based messaging, voice, and email capabilities that customers integrate into applications, workflows, data platforms, contact centers, and AI systems.
Added 4 hours ago
AI Operations Administrator - Gravitee - Remote US
SitusAMC
Jefferson City, MO
…platform configuration to the requirements defined by Information Security and AI GRC. Governance, policy, risk acceptance, control requirements, and independent control assurance remain…
Added 4 hours ago
Senior Systems Engineer (IT Infrastructure)
Avint
Tysons, VA
Avint is seeking a highly skilled Senior Systems Engineer to support a mission-critical program within the National Capital Region. This role focuses on the design, implementation,…
Added 4 hours ago
Integration Engineer
Avalore, LLC
Arlington, VA
The Integration Engineer will perform the software integration activities required for the WDP System. This person will focus on ensuring that all disparate software components - including…
Added 4 hours ago
M
Software Engineer 2 - CoreAI
Microsoft
WA · Redmond, WA · Redmond
- $102,100 to $219,200 USD / year
The Cloud App and Tools team in CoreAI is looking for a Software Engineer 2 - CoreAI to help us build the next generation of Azure libraries and developer tooling. Our mission is to make…
Added 4 hours ago
Multi-Cloud Engineer
Avalore, LLC
Chantilly, VA
As a Multi-Cloud Engineer at Avalore, you will provide technical support to all of the customers' broadcast systems as a cloud engineer with programming responsibilities.
Added 4 hours ago
M
Principal Software Engineer - AI Experiences, Monetization
Microsoft
WA · CA · Redmond, WA · Mountain View, CA · Redmond · Mountain View
- $142,800 to $304,200 USD / year
…improving engineering productivity. As a Principal Software Engineer, you will design and build solutions across every layer of the stack: backend services, APIs, data storage and…
Added 5 hours ago
DevOps Engineer, Senior
California Physician Services
Darbydale, OH
…Digital Applications' technical products are built . The DevOps Engineer, Senior will report to the Senior Manager, Digital Platform as your direct manager. In this role you will design,…
Added 5 hours ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Software Engineer (Product) to help design, build, and scale the systems that power our member and clinical experiences.
Added 5 hours ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Software Engineer (Product) to help design, build, and scale the systems that power our member and clinical experiences.
Added 5 hours ago
Staff Software Engineer, Foundations
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Staff Software Engineer for our Foundations team, working across Platform, DevOps, and Data Engineering.
Added 5 hours ago
Staff Software Engineer, Foundations
Atria Health and Research Institute
Remote, United States
Atria Health is seeking a Staff Software Engineer for our Foundations team, working across Platform, DevOps, and Data Engineering.
Added 6 hours ago
A
Senior Web Applications Engineer
Aristotle
Remote, United States
- $140,000 to $175,000 USD / year
…deployment, and long-term maintenance. The Senior Web Applications Engineer will serve as a technical owner, making architectural decisions that ensure scalability, security, and…
Added 6 hours ago
.Net Full Stack Developer
Charles Schwab
Austin, TX
As a Staff Software Engineer, you will design and develop reliable, scalable, and responsive web applications using full-stack technologies. You will collaborate across scrum teams to solve…
Added 6 hours ago
Solutions Engineer
Edward Jones
Saint Louis, MO
As a Solution Engineer, you will be a senior technical expert responsible for shaping the future of the firm's API ecosystem. You will influence architectural direction, define platform…
Added 7 hours ago
Senior Software Development Engineer in Test (SDET) - Remote
Scalepex
Remote, United States
Scalepex is actively seeking an experienced Senior Software Development Engineer in Test (SDET) for an exciting remote opportunity in the digital healthcare technology space.
Added 7 hours ago
Staff Engineer, Application Security (Remote, US)
Everyday Electric
Remote, United States
Deep understanding of application and API security, authentication and authorization, cloud security, and modern software development and delivery.
Added 7 hours ago
Cyber Security Engineer (Application Security)
TherapyNotes.com
Remote, United States
TherapyNotes is seeking an experienced, hands-on Cyber Security Engineer to own application security across our SDLC and CI/CD pipeline. The right candidate brings deep expertise securing…
Added 7 hours ago
Senior Storage Engineer
Runware
Remote, United States
As Senior Storage Engineer, you will own the storage architecture of Runware's AI supercomputer: how model weights, caches and customer data move from object storage on two continents to…
Added 7 hours ago
Senior Security Engineer
Runware
Remote, United States
As Senior Security Engineer, you will own the security of Runware's AI supercomputer: the bare-metal GPU fleet, the Sonic Inference Pods it lives in, the managed Kubernetes clusters we hand…

Four Sea Group, Inc.

Senior Software Engineer – Mission Applications & Command and Control

Aurora, CO, United States

$140,000 to $232,000 USD / year

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Job details

Pay: $140,000 to $232,000 USD / year
Experience: Typically 8+ years of relevant software engineering experience, with level determined by demonstrated technical scope, complexity, autonomy, and leadership.
Posting language: English
Posted: Nov 3, 2026

Original job description

About Four Sea Group, Inc. Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado. Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners. What sets FSG apart is the caliber of our people and the way we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment, and ability to solve difficult problems. As an employee-owned company, we have built our compensation, benefits, and culture around a simple idea: when the company succeeds, that value should go back to the people doing the work.

About the role Four Sea Group is seeking a Senior Software Engineer to design, develop, integrate, and advance full-stack software capabilities supporting complex command-and-control and mission systems.

This role contributes directly to Four Sea Group’s ability to deliver reliable, secure, and mission-effective software in high-consequence customer environments. The engineer will develop capabilities spanning operating system, platform, infrastructure, and mission-application layers, including software that interfaces with hardware systems, supports mission planning and decision-making, and provides users with intuitive ways to understand and operate within complex dynamic environments.

The ideal candidate brings strong full-stack software engineering experience, deep technical judgment, and demonstrated ability to own significant software capabilities or technical areas. Depending on experience and demonstrated scope, the engineer may lead major application components, define reusable technical approaches, architect complex solutions, guide other engineers, and influence broader system and mission outcomes.

This role requires the ability to make sound technical decisions while considering performance, security, maintainability, project schedule, cost, and mission objectives.

Required Qualifications

Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field, or equivalent practical experience.
Typically 8+ years of relevant software engineering experience, with level determined by demonstrated technical scope, complexity, autonomy, and leadership.
Active DoD TS/SCI security clearance at the time of application.
Strong full-stack software engineering experience across application, platform, infrastructure, or supporting system layers.
Strong experience developing object-oriented software using Java 1.8 or later.
Experience designing, building, testing, deploying, and sustaining complex software products.
Experience developing microservice-based, distributed, or service-oriented applications.
Experience producing software architecture, technical design, or interface documentation.
Experience developing and integrating software across hardware, software, or external system interfaces.
Experience working within automated CI/CD environments, including unit testing, integration testing, and automated test frameworks such as Robot Framework, Cucumber, or comparable technologies.
Experience with modern version-control systems and collaborative software-development workflows.
Experience working within Agile software-development programs.
Ability to independently own a major application, subsystem, service, or technical area and determine appropriate technical approaches.
Ability to troubleshoot and resolve complex software, integration, performance, or production issues.
Ability to evaluate technical alternatives and make decisions considering mission requirements, technical risk, schedule, cost, security, and maintainability.
Ability to communicate architecture decisions, technical risks, dependencies, and tradeoffs across software, systems, program, and customer stakeholders.
Strong written and verbal technical communication skills.

Preferred Qualifications

Experience developing software that provides command-and-control functionality for physical or hardware systems, including command transmission, acknowledgements, telemetry, status handling, or interface integration.
Experience developing mission-planning, activity-planning, scheduling, constraint-checking, or decision-support software.
Experience developing user interfaces that visualize complex or dynamic environments in two or three dimensions.
Experience with Go and Python.
Experience with PostgreSQL or comparable relational database technologies.
Experience with RESTful APIs, JMS, event-driven architectures, or message-based systems.
Experience developing or operating applications within Red Hat Enterprise Linux 8 or comparable Linux environments.
Experience deploying applications within AWS, Azure, Google Cloud, or another cloud environment.
Experience with Docker, Kubernetes, Helm, or comparable containerization and orchestration technologies.
Experience with PKI, secure-development practices, static-code-analysis tools, or software operating under high-security requirements.
Experience with Git, Maven, Helm, Harbor, or comparable build, deployment, and artifact-management technologies.
Experience with JavaScript frameworks such as React, Angular, or Vue.
Experience defining API schemas, deployment standards, reusable architecture patterns, or common technical approaches.
Experience with ground systems, command-and-control systems, space systems, or other mission-critical environments.
Experience troubleshooting production services, analyzing system performance, resolving incidents, or supporting operational recovery.
Operations and Maintenance experience supporting deployed mission software.
Experience providing technical guidance, design review, mentorship, or leadership to other engineers.
Experience defining technical approaches or reusable engineering patterns used beyond an individual component or feature.
Experience architecting solutions to complex or ambiguous technical problems spanning multiple software or system domains.
Experience serving as a trusted technical resource for engineering, program, or customer stakeholders.

Salary: The salary range for this role is $140,000-$232,000 per year. The salary range provided is a good faith estimate representative of all experience levels. Four Sea Group, Inc. considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, key skills, and market conditions.

Application Deadline: This position is expected to remain open through November 30, 2026. The company may adjust this deadline based on business needs and will update the posting as appropriate.

Benefits: FSG is 100% ESOP-owned, which means our employees share directly in the company’s growth. We offer competitive compensation, a strong employer-funded retirement plan, generous PTO and flexible time-off options, comprehensive health, dental, vision, life, short-term disability, and long-term disability benefits, plus a generous medical stipend that gives employees more choice and flexibility. Our model is intentionally built to keep more value with employees through salary, retirement, benefits, and ownership. You will work alongside experienced engineers and technical leaders on meaningful defense, space, software, systems, and mission support work, with room to grow as a technical expert, mentor, program contributor, or future leader.

EEO Statement: Four Sea Group is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin, marital or familial status, age, disability, veteran status, military service or application for military service.

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