Jobs in the United States

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Added 3 mins ago
Senior Manager, Commissioning Engineering
Devens
Devens, MA
…oversight of commissioning and any other effort arising from design and implementation of new/modified asset(s) as part of capital projects at the Devens site. The incumbent will apply…
Added 9 mins ago
Senior Manager, Embedded Software - Engines
Blue Origin Personnel, LLC
Huntsville, AL
This role is part of the Blue Origin Engines business unit, where our focus is the design, development, manufacturing, and testing of engines and propulsion systems. Built for multiple…
Added 10 mins ago
Research Engineer / Scientist, Pre-training
Anthropic
Remote, United States
Conduct research and implement solutions in areas such as model architecture, algorithms, data processing, and optimizer development
Added 13 mins ago
Partner Manager – MedSpa
Jobgether
Remote, United States
Design and execute joint initiatives such as co-marketing campaigns, webinars, educational events, sales activities, and regional programs.
Added 13 mins ago
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Integrated Marketing Lead
Jobgether
Remote, United States
- $150,000 to $200,000 USD / year
Monitor paid campaign performance against key business objectives, including pipeline generation, lead acquisition, and developer sign-ups, recommending improvements based on data and…
Added 13 mins ago
Director of Knowledge Management
Jobgether
Remote, United States
Co-own the AI Assistant’s self-service experience with Product, contributing to strategy, roadmap, quality standards, design, and testing.
Added 18 mins ago
Power Systems Engineer
Open Systems International, Inc.
Medina, MN
…leading electric utilities worldwide. In this role, you will design, build, configure, test, and deliver systems while collaborating closely with fellow engineers and…
Added 26 mins ago
Improvement Engineer
Olin Corporation
US-TX-Freeport
Collect, analyze, and model data (OEE, yield, downtime, waste, etc.) to quantify losses and track performance indicators. Design and maintain tracking systems and dashboards for key metrics.
Added 29 mins ago
Senior Product Manager
Flexcar
MA
…case, executing across whichever combination of engineering, design, operations, and cross-functional partners the problem requires, and reading out on…
Added 40 mins ago
Oracle Apex Technical Architect
Bright Vision Technologies
San Jose, CA
Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States.
Added 40 mins ago
Proposal Coordinator (RF & Digital Systems)
TRIDENT SYSTEMS LLC
Fairfax, VA
…through collaborative product development processes that include design and peer reviews. We combine our expertise in space electronics with right-sized development processes to create…
Added 48 mins ago
A
Associate Director, Oncology Clinical Intelligence and Real World Evidence
AstraZeneca
Gaithersburg, MD · Gaithersburg
- $122,121.6 to $160,284.6 USD / year
Are you ready to turn complex clinical and real-world data into evidence that shapes pivotal decisions in Hematology/Oncology? Do you want your analytics to directly influence Phase 3…
Added 48 mins ago
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Principal AI Engineer - Evinova
AstraZeneca
Gaithersburg, MD · Gaithersburg
- $144,648.8 to $189,851.55 USD / year
…science-based expertise, evidence-led rigor, and deep human insight, we design digital solutions that enable healthcare to work better for…
Added 52 mins ago
Digital Platform Architect
Brown & Brown, Inc
Plano, TX
…growth. You will provide architectural leadership across platform design, integrations, governance, modernization, and ongoing delivery to ensure solutions are secure, maintainable, and…
Added 56 mins ago
Principal Systems Engineer - Processing, Guidance, & Controls Engineers t
RTX Corporation
tucson, AZ
Develop, simulate, and evaluate control and navigation algorithms for complex, autonomous systems; apply model-based design, simulation, and test data to improve system performance.
Added 56 mins ago
Sr. Systems Engineer - Processing, Guidance, & Controls Engineers
RTX Corporation
tucson, AZ
Develop, simulate, and evaluate control and navigation algorithms for complex, autonomous systems; apply model-based design, simulation, and test data to improve system performance.
Added 56 mins ago
Systems Engineer II - Processing, Guidance, & Controls Engineers
RTX Corporation
tucson, AZ
Develop, simulate, and evaluate control and navigation algorithms for complex, autonomous systems; apply model-based design, simulation, and test data to improve system performance.
Added 56 mins ago
AE
Campus Graduate Masters Summer Internship Program - 2027 Cybersecurity Analyst, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
…support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology…
Added 56 mins 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
…support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology…
Added 56 mins ago
AE
Campus Graduate Masters Summer Internship Program - 2027 Software Engineer, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
…support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology…
Added 56 mins ago
AE
Campus Undergraduate Full-Time Engineer - 2027 AI Engineer I, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $78,000 to $124,750 USD / year
- Full-time
…support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology…
Added 1 hour ago
Associate - Wealth Management
ASPIRIANT LLC
Milwaukee, WI
Develop and present long-term capital sufficiency assessments based on personal financial goals, current financial data, tax rates, inflation, and investment assumptions.
Added 1 hour ago
Systems Administrator
Valiant Solutions, LLC
Fort Belvoir, VA
The Systems Administrator will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support innovative…
Added 1 hour ago
Senior PostgreSQL Database Engineer
Valiant Solutions, LLC
St. Louis, MO
The Senior PostgreSQL Database Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to…
Added 1 hour ago
Clinical Quality Manager
HAYMARKET CENTER
Chicago, IL
…activities through the application of improvement science, data-informed decision making, change management strategies, regulatory compliance monitoring, and accreditation readiness. This…

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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