Jobs in the United States

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Added 11 mins ago
Software Test Engineer
WCG Clinical
Dover, DE
The Software Test Engineer is a member of the Quality Engineering team, responsible for supporting the testing, validation and delivery of WCG namedproducts and systems.The role applies…
Added 58 mins ago
Software Test Engineer
WCG Clinical
Pierre, SD
The Software Test Engineer is a member of the Quality Engineering team, responsible for supporting the testing, validation and delivery of WCG namedproducts and systems.The role applies…
Added 3 hours ago
J
Software Engineer, Full Stack (People Innovation Labs)
Jobgether
Remote, United States
- $153,000 to $385,000 USD / year
…applications and next steps. Our partner is looking for a Software Engineer, Full Stack (People Innovation Labs) based in the United…
Added 3 hours ago
Senior Software Engineer II
Invoca
Remote, United States
We are looking for a Senior Software Engineer II who builds leverage for the team, not just executes within it. You likely have:
Added 3 hours ago
EU
Principal AI Engineer - Evinova
Evinova US LLC Company
Gaithersburg, MD
- $144,648.8 to $189,851.55 USD / year
As Principal AI Engineer, you'll design and implement sophisticated agentic AI systems that power next-generation life sciences solutions. Working at the intersection of AI research and…
Added 3 hours ago
Automation Engineer
Colgate-Palmolive Company
Piscataway, NJ
As an Automation Engineer reporting to the Director of Production Control and Automation within our enterprise service management team, you will lead the delivery of automation, monitoring…
Added 3 hours ago
AI Solution Engineer
Colgate-Palmolive Company
Piscataway, NJ
The engineer selects the implementation approach that best fits the problem and works across React, JavaScript/TypeScript, Python or Node.js, SQL, cloud services, APIs, AI frameworks, and…
Added 4 hours ago
A
Principal AI Engineer - Evinova
AstraZeneca
Gaithersburg, MD · Gaithersburg
- $144,648.8 to $189,851.55 USD / year
As Principal AI Engineer, you'll design and implement sophisticated agentic AI systems that power next-generation life sciences solutions. Working at the intersection of AI research and…
Added 4 hours ago
AE
Campus Graduate Masters Summer Internship Program - 2027 AI Engineer, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
At American Express, we empower future technologists to learn, innovate, and make an impact from day one. As an AI Engineer Intern in Enterprise Technology Services, you’ll join a 10-week…
Added 6 hours ago
C
Senior Applied AI Engineer (Forward Deployed) [NYC or SF]
Concurrence
New York City, NY
- $200,000 to $260,000 USD / year
As a Senior Applied AI Engineer, you own an entire customer use case, not a ticket or a slice of one. You take a deployment from brief to production. You make the architecture calls inside…
Added 6 hours ago
TI
Applied AI Engineer, Go-to-Market
Tutor Intelligence
Watertown, MA
- $130,000 to $250,000 USD / year
As our first Applied AI Engineer on Go-to-Market, you'll build the operating system for how Tutor finds, wins, and grows customers across the physical economy. You'll design the process…
Added 6 hours ago
TI
Applied AI Engineer, Finance
Tutor Intelligence
Watertown, MA
- $130,000 to $250,000 USD / year
As our first Applied AI Engineer on Finance, you'll build the operating system for how Tutor runs its finances: planning and forecasting, billing, the close, and the numbers leadership and…
Added 7 hours 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 7 hours ago
TT
Senior/Staff Product Engineer, Applied AI
True Talent Solutions Partners
San Francisco, CA
- $200,000 to $300,000 USD / year
Join the applied AI team at a Series A/B workforce technology company serving industrial operations. You will bring AI agents into the core product, building and scaling the backend systems…
Added 7 hours ago
TT
Member of Technical Staff, AI Agents
True Talent Solutions Partners
New York, NY
- $150,000 to $300,000 USD / year
Join an applied AI team building systems that bring intelligent agents into real business workflows. You will help shape new ways for people and agents to work together, with the goal of…
Added 7 hours ago
Sr Software Engineer- Mobile Development
Boyd Gaming
Las Vegas, NV
Bachelor’s Degree in a related discipline and/or equivalent applied experience required.
Added 7 hours ago
Senior Full Stack Engineer
FacilityOS
Annapolis, MD
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…
Added 7 hours ago
Senior Software Engineer
FacilityOS
Annapolis, MD
We are looking for a highly capable Sr. Back-End Engineer who can ramp up quickly, collaborate effectively with the existing team, and begin contributing meaningful delivery outcomes within…
Added 8 hours ago
Software Engineer, Rust
Anduril Industries
Waltham, MA · Broomfield, CO
Solid understanding of applied mathematics, including linear algebra, optimization, probability, and stochastic processes.
Added 8 hours ago
Software Engineer, Rust
Anduril Industries
Broomfield, CO
Solid understanding of applied mathematics, including linear algebra, optimization, probability, and stochastic processes.
Added 8 hours ago
Software Engineer, Robotics Tracking and Fusion
Anduril Industries
Washington, DC · Waltham, MA
Solid understanding of applied mathematics, including linear algebra, optimization, probability, and stochastic processes.
Added 8 hours ago
Software Engineer, Robotics Tracking and Fusion
Anduril Industries
Waltham, MA
Solid understanding of applied mathematics, including linear algebra, optimization, probability, and stochastic processes.
Added 8 hours ago
Software Engineer, Battlespace Awareness
Anduril Industries
Broomfield, CO
Applied mathematics: differential equations, linear algebra, optimization, statistics, and random processes;
Added 8 hours ago
Software Engineer, Battlespace Awareness
Anduril Industries
Waltham, MA · Broomfield, CO
Applied mathematics: differential equations, linear algebra, optimization, statistics, and random processes;
Added 8 hours ago
Senior Software Engineer, Rust
Anduril Industries
Waltham, MA · Broomfield, CO
Solid understanding of applied mathematics, including linear algebra, optimization, probability, and stochastic processes.

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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