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Added 2 hours 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
Strong proficiency in Python and/or C#/.NET, solid SQL skills, and experience building REST APIs, event-driven integrations and file or batch-based data exchanges.
Added 3 hours ago
Senior Full Stack Engineer
FacilityOS
Annapolis, MD
- Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Added 3 hours ago
Senior Software Engineer
FacilityOS
Annapolis, MD
- Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Added 4 hours ago
A
Senior Web Applications Engineer
Aristotle
Washington, DC
- $140,000 to $175,000 USD / year
Strong hands-on development experience with Microsoft .NET, ASP.NET, C#, Angular and MS SQL Server.
Added 5 hours ago
Senior QA Engineer
FacilityOS
Annapolis, MD
We're looking for a Senior QA Engineer to own the quality of our web, desktop, and mobile products. You'll combine hands-on manual testing with building and maintaining automated test…
Added 6 hours ago
Senior Associate, Software Engineer
L3Harris
Richardson, TX
One or more of the following: C++, C#, C, Java, Ruby, JEE, HTML5, XML, SQL, Qt, Windows, .NET, Unix, Linux, SOA, RTOS, Real-Time Controls, Wireless, Software Security, Robotics, OOA/OOD,…
Added 7 hours ago
Applied AI Site Reliability Engineer III
Deloitte US
Hermitage, TN · Nashville, TN
As an Applied AI Site Reliability Engineer III, you will actively engage in your engineering craft, taking a hands-on approach to the reliability, performance, and operational integrity of…
Added 7 hours ago
L55 - Lead DevOps Engineer II
Deloitte US
Hermitage, TN · Nashville, TN
As a Lead Applied AI Site Reliability Engineer II, you will actively engage in your engineering craft, taking a hands-on approach to the reliability, performance, and operational integrity…
Added 7 hours ago
Principal Solution Architect (Azure)
Deloitte US
Atlanta, GA · Cincinnati, OH · Dallas, TX · Hermitage, TN · Indianapolis, IN · Kansas City, MO · Nashville, TN · San Antonio, TX · St. Louis, MO · Tampa, FL
…ensuring robust, scalable, cost-efficient solutions in Azure using .NET/C#, React/Node/TypeScript, and modern data-processing…
Added 7 hours ago
Applied AI Site Reliability Engineer I (PxE A&A)
Deloitte US
Tampa, FL
As an Applied AI Site Reliability Engineer I, you will actively engage in your engineering craft, taking a hands-on approach to the reliability, performance, and operational integrity of…
Added 7 hours ago
Applied AI Platform Engineer III
Deloitte US
Dallas, TX · Hermitage, TN · Jersey City, NJ · Morristown, NJ · Nashville, TN · NY
Role Overview: As an Applied AI Platform Engineer III, you will actively engage in your engineering craft, taking a hands-on approach to building the platforms, tooling, accelerators, and…
Added 7 hours ago
Senior, Full Stack Engineer - Tax Transformation
Deloitte US
Atlanta, GA · Boston, MA · Charlotte, NC · Chicago, IL · Costa Mesa, CA · Dallas, TX · Denver, CO · Grand Rapids, MI · Hartford, CT · Lake Mary, FL · Los Angeles, CA · McLean, VA · NY · Philadelphia, PA · Pittsburgh, PA · Raleigh, NC · Rosslyn, VA · San Diego, CA · San Francisco, CA · Seattle, WA · Tampa, FL · Washington, DC
3+ years experience in full stack web development and strong hands-on experience on C#, SQL Server, OOPS Concepts, Micro Services Architecture.
Added 9 hours ago
Applications Dev Eng III
Snohomish PUD
Everett, WA
We are seeking a highly skilled Integration Applications Development Engineer III to join our ITS Applications team. This role is responsible for designing, developing, and supporting…
Added 10 hours ago
Web Developer
CACI International
Chantilly, VA
…Using technologies such as HTML5, JavaScript, Bootstrap, CSS, C#/.NET, and SQL, you’ll help turn business needs into functional, user-focused…
Added 19 hours ago
Senior Software Engineer
Dekker
Albuquerque, NM
Dekker is looking for experienced software engineers to join our growing team. A Senior Software Engineer designs, builds, and supports the applications, data pipelines, and AI-enabled…
Added 1 day ago
Senior Software Engineer (.NET/Python)
CVS Health
Remote, United States
4+ years of professional software engineering experience with C# and .NET (Framework or Core), or Java, or Python or similar coding languages,
Added 1 day ago
Software Engineer (.NET/Python)
CVS Health
Remote, United States
As a Software Engineer on the MinuteClinic Product Engineering team, you will build and maintain the services that support patient scheduling, kiosk, clinical workflows, and provider…
Added 1 day ago
Technical Lead
Altimetrik, Inc.
Cincinnati, OH
…pipelines using Jenkins, GitLab, GitHub Actions, and Harness to support continuous integration and deployment across enterprise platforms • Manage API gateway configuration and security via…
Added 1 day ago
VG
Senior Software Engineer
Volvo Group
Greensboro, NC
- $111,100 to $137,200 USD / year
…identify pain points and areas for optimization. As the Senior Software Engineer you will design and develop digital products and AI based solutions crossfunctionally to successfully…
Added 1 day ago
Site Reliability Engineer (Tu-Sat, night shift)
IVANTI, INC.
SOUTH JORDAN, UT
Added 1 day ago
Senior .NET Engineer (Benelux)
Lateral Group
Remote, United States
Design and build scalable, resilient cloud applications on Azure using C#, .NET and SQL, delivering solutions that are secure, high-performance, adhere to our Coding Standards and “just…
Added 1 day ago
Senior .NET Engineer (LATAM)
Lateral Group
Remote, United States
Design and build scalable, resilient cloud applications on Azure using C#, .NET and SQL, delivering solutions that are secure, high-performance, adhere to our Coding Standards and “just…
Added 1 day ago
Principal Platform Engineer ADMS
National Grid USA Service Company, Inc.
LIVERPOOL, NY
…our customers in the dark. So, join us as Principal Platform Engineer - ADMS, and find your superpower. We need you!We want to find an innovative, adaptable, and results-oriented Principal…
Added 1 day ago
Mid-Level Software Engineer
Trinzic
Colorado Springs, CO
KBR is seeking a Mid Level Software Engineer to design, develop, and maintain the software baseline of multiple contracts. The successful candidate will work across the full domain of our…
Added 1 day ago
Software Engineer II- ECM Specialization
AF Group
Kalamazoo, MI

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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