Jobs in the United States

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Added 34 mins ago
Junior HubSpot Developer
Brown & Brown, Inc
Plano, TX
The Junior HubSpot Developer is an entry-level member of the HubSpot Delivery team within Brown & Brown's Retail Software Engineering organization, supporting the development, enhancement,…
Added 34 mins ago
HubSpot Developer
Brown & Brown, Inc
Plano, TX
The HubSpot Developer is a member of the HubSpot Delivery team within Brown & Brown’s Retail Software Engineering organization, responsible for developing, enhancing, and supporting…
Added 34 mins ago
Digital Platform Architect
Brown & Brown, Inc
Plano, TX
…architecture for our enterprise HubSpot platform and broader digital web ecosystem. Working closely with business stakeholders, product owners, marketing teams, and development teams, you…
Added 38 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
…efficiency, and drive competitive differentiation with speed. We support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally.…
Added 39 mins ago
Application Engineer - DevOps & Engineering Tools
RTX Corporation
phoenix, AZ
…our agile team! In this role you will deploy, administer, and support new and existing enterprise-wide COTS (commercial off-the-shelf) software engineering and DevSecOps applications,…
Added 45 mins ago
W
Photo Specialist
Walgreens
MARYVILLE, TN
- $15 to $19 USD / hour
…providing expert photo services, digital passport photos, and support for customer service transactions, including FedEx, Western Union, and online order fulfillment. Owns the inventory,…
Added 57 mins ago
Senior Software Developer in Test | Ingénieur·e logiciel senior en test
Jobgether
Remote, United States
The Senior Software Developer in Test will play a key role in ensuring the quality, reliability, and performance of sophisticated data and analytics software products. This position…
Added 1 hour ago
Sr. SharePoint Developer / Graphic Design Support
Valiant Solutions, LLC
Springfield, VA, VA
The Sr. SharePoint Developer / Graphic Designer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together…
Added 1 hour ago
Hybrid Cloud Platform Engineer
Valiant Solutions, LLC
St. Louis, MO · Springfield, VA, VA
…Intelligence Community customer. The team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment, and disposal of user-facing and…
Added 1 hour ago
K
Senior Associate, Product & Solution Design
KPMG
Louisville, KY
- $7.25 USD / hour
…workflows, functionality, requirements, and design decisions to support development…
Added 1 hour ago
Cybersecurity Implementation Engineer
Valiant Solutions, LLC
Springfield, VA, VA
…supporting an Intelligence Community customer. The team will support transport and cybersecurity information technology (IT) services across multiple networks and security domains at…
Added 1 hour ago
Pharmacist - Intermittent
Veterans Affairs, Veterans Health Administration
Togus, ME
Added 1 hour ago
Dog Trainer
Petco Animal Supplies Stores, Inc.
Longview, WA
…their favorite meals and toys, to trusted supplies and expert support from people who get it, because we live it. We believe in the universal truths of pet parenthood - the boundless boops,…
Added 1 hour ago
Manager, Digital - Atlanta City FC
AWPFC, LLC
United States
…individual differences to create a competitive advantage and better support our partners. Encourage others to accept and capitalize on…
Added 2 hours ago
H
Software Systems Engineer - GitHub Enterprise
HP
Vancouver
- $105,050 to $161,800 USD / year
…Kubernetes infrastructure. You’ll work at the intersection of developer experience, platform engineering, and AI-driven productivity, partnering with cross-functional teams to solve…
Added 2 hours ago
TM
Software Engineer
Triangle Manufacturing
Upper Saddle River, NJ
- $80,000 USD / year
Develop, implement, and support custom software applications.
Added 2 hours ago
Marketing Creative Manager
Hearst
Albany, NY
…will develop compelling marketing content and campaigns that support sales growth, strengthen client relationships, and showcase the value of our products and…
Added 2 hours ago
RR
E-Commerce & Digital Administrative Assistant
Reimagine Resources
Coppell, TX
- $7.25 to $10 USD / hour
Writing and updating descriptive image alt text to support web accessibility and organic search visibility.
Added 2 hours ago
Keyholder
Torrid
Meadows Mall, NV
As a Keyholder, you’ll be responsible for providing support and assistance to the store management team through performing daily store opening and closing operations while providing an…
Added 3 hours ago
Regional Field & Lab Operations Leader - Twin Cities
Braun Intertec Corporation
Bloomington, MN · St. Paul, MN
Analyze staffing levels, available capacity, and operational needs required to support anticipated workload.
Added 3 hours ago
Field & Lab Quality Leader
Braun Intertec Corporation
Dallas, TX · Bloomington, MN
…operational performance, strengthen client confidence, and support the division's strategic growth…
Added 3 hours ago
Global Senior Solution Architects
Dassault Systemes Americas Corp
Mason, OH
Added 3 hours ago
BF
Java Backend Developer
BC Forward
Cincinnati, OH
- $80 to $85 USD / hour
Added 3 hours ago
CC
ITD Web Technical Developer
Cleveland Clinic
Cleveland, OH
- $69,600 to $106,132.5 USD / year
As an ITD Web Technical Developer, you will design, develop, prototype, and maintain internet- and intranet-based applications, create technical specifications, and design databases to…
Added 3 hours ago
Application Developer
Franklin County Auditor
Columbus, OH
Application Developer (Hybrid eligible) Compensation: Starting at $74,776.00 Employment Status: Full-time FLSA Status: Non-Exempt Civil Service Status: Bargaining Unit The Franklin County…

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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