Jobs in the United States

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Avionics Test Technician, Starbase Vibe Test Lab
SpaceX
Starbase, TX · Brownsville, TX
Responsible for preventative maintenance activities on test equipment and data acquisition systems
Added 1 min ago
QA Test Engineer, Industrial
Jobgether
Remote, United States
…software connectors and data integrations. In this hands-on engineering role, you will build automation frameworks, regression suites, and device and protocol simulators to validate systems…
Added 1 min ago
DevOps Architect
Jobgether
Remote, United States
…development. You will define architectural standards, lead complex systems design decisions, and guide cloud environments through new builds and migrations. Working closely with engineering…
Added 3 mins ago
Applied Scientist, PXT Central Science
Amazon.com Services LLC
Boston, MA · Austin, TX · Seattle, WA · Bellevue, WA · Arlington, VA · San Francisco, CA
…build and apply science on top of Amazon's employee listening systems - turning what Amazonians tell us into products and insights that improve their experience. We are an interdisciplinary…
Added 6 mins ago
Co-Founder & CEO - AI Automation for Growing Companies
FutureSight Ventures
Remote, United States
…growth lever, but few have the people to turn it into working systems. Implementation is the scarce resource. Loomwork helps them find where AI will pay off, builds agents into the tools…
Added 6 mins ago
Co-Founder & CEO - AI Automation for Growing Companies
FutureSight Ventures
Remote, United States
…growth lever, but few have the people to turn it into working systems. Implementation is the scarce resource. Loomwork helps them find where AI will pay off, builds agents into the tools…
Added 6 mins ago
Co-Founder & CEO - AI LegalTech | AI-Native Litigation Defence Operations
FutureSight Ventures
Remote, United States
…small-to-mid insurance-defence firms. Embedding in case-management systems, it retrieves and reviews records, flags key facts with confidence links, checks billing reasonableness, and…
Added 6 mins ago
Co-Founder & CEO - AI LegalTech | AI-Native Litigation Defence Operations
FutureSight Ventures
Remote, United States
…small-to-mid insurance-defence firms. Embedding in case-management systems, it retrieves and reviews records, flags key facts with confidence links, checks billing reasonableness, and…
Added 6 mins ago
Co-Founder & CEO - AI Communication Agents for Freight & Logistics
FutureSight Ventures
Remote, United States
…calls, texts, and emails, integrating directly with core freight systems including TMS, load boards, and broker/carrier databases. The platform handles track-and-trace calls, appointment…
Added 6 mins ago
Co-Founder & CEO - AI Communication Agents for Freight & Logistics
FutureSight Ventures
Remote, United States
…calls, texts, and emails, integrating directly with core freight systems including TMS, load boards, and broker/carrier databases. The platform handles track-and-trace calls, appointment…
Added 7 mins ago
AF
Injection Stretch Blow Molding Process Engineer
Amcor Flexibles, LLC
Shelbyville, KY
- $7.25 USD / hour
…conditions. This should include all aspects of their production systems (i.e. Molds, Hot Runners, Drivers and Injection or Blow Molding…
Added 7 mins ago
Electro-Mechanical Technician - 2nd shift
Solenis LLC
Florence, KY
…disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect…
Added 7 mins ago
Senior Maintenance Technician - 3rd shift
Solenis LLC
Florence, KY
…disinfectants, and state-of-the-art monitoring, control and delivery systems. These technologies are used by customers to improve operational efficiencies, enhance product quality, protect…
Added 7 mins ago
J
Mobile Engineer
JLL
Louisville, KY
- $7.25 USD / hour
Operates, inspects, andmaintainsall HVAC, refrigeration, mechanical, electrical, plumbing, and production equipment and systems in assigned facilities to obtain most efficient operating…
Added 7 mins ago
J
Sr Project Manager
JLL
Louisville, KY
- $7.25 USD / hour
Coordinate specialty project components, including workplace strategy, historic preservation, security systems, and AV/IT deployments.
Added 7 mins ago
K
Manager, Solution Development & Innovation
KPMG
Louisville, KY
- $7.25 USD / hour
Master's degree from an accredited college or university in technology management, information systems, business administration, or related discipline preferred; Bachelor's degree from an…
Added 14 mins ago
Senior Integration Engineer – AI - Tax And Audit AI
Thomson Reuters (Tax & Accounting) Inc
Brooklyn, NY · Frisco, TX · Chicago, IL · Ann Arbor, MI · Eagan, MN
Help bring AI into the systems tax and audit professionals rely on every day. As a Senior Integration Engineer, you will connect AI solutions with Thomson Reuters products and client…
Added 18 mins ago
Senior Engineer, Agentic Identity
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San Francisco, CA
Shipped systems where cryptographic correctness was load-bearing: OAuth/OIDC IdP, token issuer, signing service, HSM-backed signer, passkey/WebAuthn flow, or similar.
Added 18 mins ago
Partnerships Manager
Baselayer
NY
Build scalable systems for onboarding and enabling partners, then work alongside them to identify leads, land deals, and expand the network
Added 22 mins ago
Network Engineer
Valiant Solutions, LLC
Lorton, VA
Coordinates with cross-functional teams (engineering, deployment, IA) to ensure smooth deployment and integration of network systems.
Added 22 mins ago
Lead Firewall Engineer
Valiant Solutions, LLC
Springfield, VA, VA
Network design, engineering, and implementation (Advanced Level)
Added 22 mins ago
Endpoint Security Engineer
Valiant Solutions, LLC
Springfield, VA, VA · St. Louis, MO
Bachelor’s degree in Engineering, Computer Science, or related field with 6 years of additional experience (additional experience may be considered in place of a degree).
Added 22 mins ago
Cybersecurity Implementation Engineer
Valiant Solutions, LLC
Springfield, VA, VA
Certified DoD 8140.01 and 8570.01-M Information Assurance Technical Officer (IAT) Level III and Information Assurance System Architecture and Engineering Specialist (IASAE) Level II.
Added 22 mins ago
Cyber Data Analysis Engineer
Valiant Solutions, LLC
Springfield, VA
Advanced knowledge of systems engineering principles, methods, and techniques.
Added 23 mins ago
Business Insights Specialist (US) Retail and Non-Retail Portfolios
TD Bank
Portland, ME
…knowledge of Retail and Non-Retail loan information, source systems, data definitions, and credit processes is important, along with the ability to translate complex historical data into…

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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