Jobs in the United States

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Added 1 min ago
Software Engineer III
Pearson
Concord, NH
This Software Engineer position is responsible for analysis, design, implementation, unit testing, and quality engineering to produce and maintain high-quality software solutions.
Added 7 mins ago
H
Software Systems Engineer - GitHub Enterprise
HP
Vancouver
- $105,050 to $161,800 USD / year
…used across HP. The role works at the intersection of software development, system architecture, and project management to ensure the successful development and deployment of software…
Added 17 mins ago
Software Engineer III
Pearson
Lincoln, NE
This Software Engineer position is responsible for analysis, design, implementation, unit testing, and quality engineering to produce and maintain high-quality software solutions.
Added 29 mins ago
AS
IT - Systems Engineer
Apex Systems LLC
Denver, CO
- $70 to $75 USD / hour
Senior Identity & Access Management (IAM) Engineer
Added 29 mins ago
AS
Manufacturing Engineer-SEC
Apex Systems LLC
Littleton, CO
- $30 to $40 USD / hour
…We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards,…
Added 36 mins ago
Systems Test Engineer II
Hewlett Packard Enterprise
Spring, TX
…enable the next generation of Artificial Intelligence (AI) development and applications. The engineer plays a key role in validating complex integrated systems before release, helping…
Added 43 mins ago
TT
Senior Security Engineer
True Talent Solutions Partners
San Francisco, CA
- $190,000 to $250,000 USD / year
- Build and mature application security tooling, processes, and secure software development practices that fit naturally into engineering workflows.
Added 1 hour ago
Lead Saviynt Engineer
Wells Fargo
COLUMBUS, OH
Wells Fargo is seeking a Lead Software Engineer in Cybersecurity to support the enterprise Identity Governance & Administration (IGA) modernization program. Learn more about career areas…
Added 1 hour ago
F
Civil Designer, Capacity Delivery
Fluidstack
Austin, TX
- $135,000 to $150,000 USD / year
- Produce civil drawing sets for data center site development: grading, drainage, erosion control, utilities, and site plans, from engineer redlines to issued-for-construction.
Added 1 hour ago
Sr Software Engineer- Mobile Development
Boyd Gaming
Las Vegas, NV
Responsible for contributing development efforts to one or more of several systems that are under the core responsibility of the Development Team. This position is focused on the design,…
Added 1 hour ago
Senior Full Stack Engineer
FacilityOS
Annapolis, MD
- Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Added 1 hour ago
Senior Software Engineer
FacilityOS
Annapolis, MD
- Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Added 1 hour ago
Payload Engineer
Actalent
Costa Mesa, CA
Work EnvironmentThis is a very hands-on mechanical design and integration role, requiring the engineer to work from concept and CAD through prototype hardware, integration testing, and…
Added 1 hour ago
Software Engineer (Multiple openings) in Irving, TX.
U.S. Bank National Association
Irving, TX
U.S. Bank is seeking a full-time Software Engineer (Multiple openings) in Irving, TX.
Added 1 hour ago
Software Engineer, Rust
Anduril Industries
Waltham, MA · Broomfield, CO
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Software Engineer, Rust
Anduril Industries
Broomfield, CO
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Software Engineer, Robotics Tracking and Fusion
Anduril Industries
Washington, DC · Waltham, MA
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Software Engineer, Robotics Tracking and Fusion
Anduril Industries
Waltham, MA
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Software Engineer- Machine Learning
Anduril Industries
Broomfield, CO · Waltham, MA
We are looking to hire a Software Engineer to join our growing Battlespace Awareness team. In this role, you'll provide software engineering and development support for several of the…
Added 1 hour ago
Software Engineer- Infrastructure
Anduril Industries
Broomfield, CO
We are looking to hire an Infrastructure / DevOps Engineer to join our growing Battlespace Awareness team. This role owns the CI/CD and integration test infrastructure that keeps our…
Added 1 hour ago
Software Engineer, Battlespace Awareness
Anduril Industries
Broomfield, CO
Prototype state-of-the-art software solutions in an agile development environment
Added 1 hour ago
Software Engineer, Battlespace Awareness
Anduril Industries
Waltham, MA · Broomfield, CO
Prototype state-of-the-art software solutions in an agile development environment
Added 1 hour ago
Senior Software Engineer, Rust
Anduril Industries
Waltham, MA · Broomfield, CO
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Senior Software Engineer, Rust
Anduril Industries
Broomfield, CO
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.
Added 1 hour ago
Senior Software Engineer, Robotics Tracking and Fusion
Anduril Industries
Washington, DC · Waltham, MA
Prototype and deploy state-of-the-art algorithms for tracking, multi-sensor data fusion, and state estimation in agile, iterative development environments.

FacilityOS

Senior Full Stack Engineer

Annapolis, MD, United States

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Job details

Posting language: English
Posted: Nov 1, 2026

Original job description

ABOUT FACILITYOS

FacilityOS is a fast-growing company redefining how facilities operate - bringing safety, security, and daily operations into one unified platform used by organizations around the world.

As we continue to scale globally, we’re building a team of driven, curious people who want to make an impact. You’ll be part of a dynamic, collaborative culture where individuals are trusted to take ownership, solve meaningful problems, and grow in their careers. Our team comes together in-office twice a week to connect, collaborate, and build momentum.

If you’re looking to do your best work alongside a great team in a high-growth environment, FacilityOS is the place to build your career.

About the Role:

We are looking for a highly capable Sr. Full Stack Engineer who can ramp up quickly, collaborate effectively with the existing team, and begin contributing meaningful delivery outcomes within the first few weeks. This role is well suited for someone who is comfortable navigating legacy systems, applying strong architectural principles, and making thoughtful technical decisions that improve delivery throughput without compromising quality.

The ideal candidate brings strong backend engineering experience, sound judgment, and the ability to work independently while staying closely aligned with team standards and architectural direction.

This role is a hybrid position where you’ll be required to come into our office three (3) times a week.

Duties and Responsibilities:

Design, develop, review, and maintain backend web applications and services across the FacilityOS platform.
Quickly develop a working understanding of existing platform architecture, legacy components, integration points, and modernization opportunities.
Collaborate with the engineering team to make sound technical decisions that align with established architectural principles and delivery goals.
Contribute to legacy modernization efforts using incremental, low-risk approaches such as the Strangler Fig pattern where appropriate.
Maintain high code-quality standards through code reviews, unit testing, static code analysis, and the adoption or improvement of engineering tools and standards.
Participate actively in peer code reviews, providing constructive feedback and helping promote maintainable, testable, and scalable solutions.
Troubleshoot and resolve application issues across environments, including staging and production, with a focus on root-cause analysis and sustainable fixes.
Work directly with engineering leads, product stakeholders, and project managers to support business operations and project delivery.
Research, evaluate, and recommend innovative application, automation, and architectural improvements that would benefit the FacilityOS platform.

Skills and Qualifications:

Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Minimum 5 years of experience developing web applications using Angular and Typescript
Proven ability to quickly understand complex legacy systems, identify key integration points, and contribute effectively with limited ramp-up time.
Strong experience using object-oriented programming, design patterns, and clean architecture principles to build maintainable, testable software.
Proven experience writing unit tests and applying quality-focused development practices.
Proven experience designing and building RESTful services.
Experience in designing and building cloud-native SaaS and PaaS applications (Azure / AWS). Azure cloud experience will be preferred
Solid knowledge of Microsoft SQL Server and T-SQL.
Ability to make sound technical decisions in collaboration with existing engineering teams.
Proactive, curious, and investigative mindset with strong attention to quality and detail.
Passion for technology, continuous improvement, and modern engineering practices.
Ability to self-manage priorities and deliver outcomes with minimal supervision.
Strong team-player attitude with the ability to collaborate across engineering, architecture, and product stakeholders.
Hands-on experience with Event-Driven architecture is a plus
Hands-on experience with Microservices is a plus

Why work at FacilityOS?

We work hard and play hard and we do both with passion and respect for one another. Our company promotes a fast-paced, fun, friendly, and highly collaborative work environment that provides:

🩺Comprehensive health coverage

🏠A Hybrid work environment

💡Opportunity for advancement and growth

🍕 Catered Events, Snacks, Drinks – You won’t go Hungry!

🥳 Birthday and Life Celebrations

🎉 Two annual parties in a year

FacilityOS Commitment

We believe that a diverse team is the key to innovation and growth. We are an equal opportunity employer that value diversity at our company and encourage all candidates to apply. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

FacilityOS will accommodate individuals with disabilities through each stage of the recruitment and selection process. Please advise us of any needs when your interview is booked, and we will do our best to meet your needs.

Please note that all candidates must be legally eligible to work in the location in which you applied.

Background and Reference Checks

Any offer of employment may be conditional upon full background checks including a criminal record check, a credit check and employment and educational verifications. A reference check will also be conducted.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications. These tools assist the recruitment team but do not replace human judgment. All advancement and hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us or click here https://www.deeplytalented.com/responsible-ai.

FacilityOS thanks all candidates for their interest, however only those selected to continue in the process will be contacted.

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