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Added 2 mins 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 2 mins 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 3 mins ago
O
Senior Data Systems Software Engineer - Exadata Database
Oracle
Bismarck, ND
- $85,400 to $209,500 USD / year
As a member of the Exadata software engineering team, you will:
Added 4 mins ago
Software Development Engineer
Texas Instruments
Dallas, TX
The software development engineer is responsible for the development of ROM code, low-level device drivers ( both bare-metal & RTOS based), tool-chain support, SDK development & custom…
Added 5 mins ago
AS
IT - Systems Engineer
Apex Systems LLC
Denver, CO
- $70 to $75 USD / hour
We’re seeking a Senior IAM Engineer with deep hands-on identity engineering experience to support an enterprise environment focused on both traditional IAM and emerging non-human/agentic…
Added 5 mins ago
AS
Manufacturing Engineer-SEC
Apex Systems LLC
Littleton, CO
- $30 to $40 USD / hour
…instructions and leveraging factory data to implement statistical process control approaches for continuous…
Added 10 mins ago
PC
Sales Engineer
Pacific Coast Trane
Sunnyvale, CA
- $90,000 to $120,000 USD / year
We are currently seeking a Sales Engineer to join our Service Sales team in Sunnyvale, CA.
Added 12 mins ago
Systems Test Engineer II
Hewlett Packard Enterprise
Spring, TX
…Artificial Intelligence (AI) development and applications. The engineer plays a key role in validating complex integrated systems before release, helping identify product issues that could…
Added 15 mins ago
Sales Compensation Analyst (Commercial Modeling & Governance Automation)
PLATTS U.K. LIMITED
VIRTUAL, DC · VIRTUAL, VA · VIRTUAL, TX · VIRTUAL, NC · VIRTUAL, NY · VIRTUAL, NJ · VIRTUAL, IL · NY · NJ · VIRTUAL, CT · VIRTUAL, CO
This is a role for someone who sees a manual compensation process and immediately knows how to automate it. As the analytical and engineering engine behind S&P Global Market Intelligence's…
Added 19 mins ago
Staff Systems Engineer - Modeling Simulation & Analysis - 20144
Northrop Grumman
Huntsville
Northrop Grumman Defense Systems is seeking a Staff Systems Engineer - Modeling, Simulation & Analysis (level 5) to join its team. This position is in Huntsville, AL.
Added 19 mins ago
Manager Electrical Engineering 2
Northrop Grumman
Redondo Beach
Northrop Grumman’s Space Sector is seeking a Manager Electrical Engineering – Level 2 to join our team in Redondo Beach, CA.
Added 19 mins ago
Sr. Principal System Engineer - NATO IFC Lead
Northrop Grumman
San Diego
Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization,…
Added 19 mins ago
Sentinel - Staff Systems Engineer - Mechanical Systems Design Integrator
Northrop Grumman
Roy · Manhattan Beach
The Staff Mechanical Systems Design Integrator (level 5 engineer) will work with our Sentinel Systems Engineering & Integration (SE&I) Business Unit’s System Integration & Sustainment (SIS)…
Added 19 mins ago
Sentinel - Staff Systems Engineer - 17379
Northrop Grumman
Roy
…the intent of WS integration at the highest levels and drive engineering processes & analyses to prove successful design integration and analyze for potential gaps. The successful candidate…
Added 25 mins ago
Quality Engineer Manager
M.C. Dean, Inc
District of Columbia
and employs more than 9,000 professionals who engineer and deploy automated, secure, and resilient power and
Added 32 mins ago
O
Controls Engineer: Power Generation
OpenAI
Remote, United States
- $177,000 to $285,000 USD / year
…infrastructure required to support frontier AI systems. The Data Center Engineering team defines repeatable technical standards and carries them through design, construction, commissioning,…
Added 39 mins ago
Integrity Engineer
Marathon Petroleum Corporation
Cadiz, OH
This position will service as a Facilities Mechanical Integrity Engineer focused on Inspection Program Management for NG&NGL along with overseeing inspection services for their assigned…
Added 39 mins ago
Engineer - Mfg
Hunter Defense Technologies Inc
Geneva, OH
…team members and evaluating results - Confers with management, engineering and other staff regarding manufacturing capabilities, production schedules, and other considerations to facilitate…
Added 39 mins ago
Project Engineer
Magnetic Technologies Corporation
Greenville, OH
Job purpose Bridges the gap between sales, engineering, and production to evaluate new business proposals, estimate manufacturing costs, and lead products successfully from initial quote…
Added 39 mins ago
Project Engineer
Morton Salt, Inc.
Painesville, OH
…form of salt that enhances everyday life. Job Summary: The Process Engineer plays a critical role in the engineering technical support for designated production departments utilizing…
Added 40 mins ago
Senior Mechanical Engineer
SEALED AIR CORPORATION
Kent, OH
Job Description Senior Mechanical Engineer Streetsboro Certified Rebuilt Eq Requisition ID: 57226 If you are a current employee click here to apply. Sealed Air designs and delivers…
Added 40 mins ago
Manufacturing Engineer
F&P America Mfg. Inc.
Troy, OH
…qualified candidates for the following opportunity. Manufacturing Engineer **** F&P America will only employ those who are legally authorized to work in the United States. F&P America will…
Added 40 mins ago
Equipment Engineer (New Model)
F&P America Mfg. Inc.
Troy, OH
…qualified candidates for the following opportunity. Equipment Engineer (New Model) **** F&P America will only employ those who are legally authorized to work in the United States. F&P…
Added 40 mins ago
Network Design Engineer
HUBBELL INCORPORATED DELAWARE
Hamilton, OH
Job Overview The Design Engineer is responsible for the Burndy Small Hydent product family. The position works closely with Manufacturing, Product Management, Design Engineering, Sourcing,…
Added 40 mins ago
Fixture Engineer
Ohiomeansjobs Lake County
Mentor, OH
OhioMeansJobs | Lake County is accepting resumes for the following position: Position: Fixture Engineer Location: Mentor, OH Hours: Full Time Pay: Based On Experience Position ID: 3282…

FacilityOS

Senior Software Engineer

Annapolis, MD, United States

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Job details

Experience: Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
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. Back-End 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#.
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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