Sr. Software Engineer - FOS

If you think your skills, experience and aspirations make you a good match for this position, we encourage you to apply. This position may be filled anywhere in the United States. ABOUT THE ROLE Facility Optimization Solutions (FOS), a subsidiary of CannonDesign, is seeking an experienced and highly skilled Senior Software Engineer to join our FOS products team. Reporting to the Director of Software Engineering, you will play a key role in designing, developing, and implementing robust and scalable SaaS solutions. You will contribute significantly to technical architecture, ensuring our engineering practices meet high standards and align with the overall enterprise strategy. This role requires both people leadership and a strong individual contributor mindset with a passion for technical excellence, mentorship, and collaborative problem-solving. You will work closely with cross-functional teams, including product management, design, and other engineering functions, to translate business requirements into technical specifications and deliver high-quality products that delight our internal and external clients. As part of the recruitment process, selected candidates will be required to complete online skills assessments through Karat, including a 15-minute assessment measuring proficiency in Algorithms, Data Structures, and Back-end, and a one-hour technically based interview. HERE'S WHAT YOU'LL DO Contribute to the design and implementation of scalable, robust, and secure application architecture under the guidance of the Director of Software Engineering. Lead a team of developers through the full software development lifecycle — from design and development to deployment and ongoing support of SaaS products. Drive the adoption of best practices in software engineering within your team, focusing on DevOps competencies (CI/CD), monitoring and observability, performance, and automated testing. Oversee modernization efforts - including maintenance and migration of legacy applications while ensuring minimal disruption to existing customers. Ensure compliance with SOC2 controls by embedding evidence collection, access management, and secure development processes into daily workflows. Set high standards for code quality by modeling clean, maintainable coding practices and guiding the team through effective peer reviews. Work across teams to ensure seamless integration and successful deployment of applications. Assist in the architectural design of SaaS software systems and implement key architectural initiatives as directed. Continuously assess and improve system performance ensuring accuracy, reliability, and scalability and drive root cause analysis for production issues. Stay current with industry trends, emerging technologies, and best practices in software engineering and architecture. HERE'S WHAT YOU'LL NEED Bachelor’s degree in computer science, software engineering, or a related field required. Master's degree preferred. Minimum of 10+ years of qualifying experience in software engineering. Minimum of 5 years’ experience in SaaS application development. Working knowledge of VB.NET along with proficiency in multiple programming languages is highly preferred - especially C#, React, Node.js, Python, and TypeScript. Experience with implementing and maintaining SOC2 type2 certification in SaaS products is preferred. Demonstrated ability to architect, design, build, and integrate frontend user interfaces, backend services, and APIs. Strong understanding of software architecture patterns, cloud computing, APIs, deprecating services, and DevOps practices such as CI/CD and source control (Git). Experience leading hybrid onshore and offshore software engineering teams is preferred. Excellent communication and interpersonal skills, with the ability to effectively collaborate with technical and non-technical stakeholders. The salary range for this position is $148,000 to $175,000 annually. This salary range is the range we believe is the anticipated range of possible base compensation at the timing of the posting. We may ultimately pay more or less than the anticipated salary range for the position. Employees may be eligible for discretionary bonuses. We offer a full benefit package including medical, dental and vision coverage and flexible spending account options and voluntary insurances. We have paid time off, flex-time schedules, remote work options and a 401k plan and employee perk programs. For a general overview of our benefits, please visit our careers page at https://www.cannondesign.com/careers/benefits . Actual compensation may vary from posting based on geographic location, work experience, education and/or skill level. FOS is a multidisciplinary professional services and software consultancy founded on the core value that clients are our most important partners. FOS began with a good idea – seeing the need to help facility managers identify what they own, the condition of their facility, and how best to use this data for future capital planning. FOS started as a small operation in 2009 and has grown into a major, multi-office practice that is ranked #1 world-wide for facility-related services by World Architecture 100. Please note that candidates can only apply to our positions on our company Careers site. It is not uncommon for scammers to create positions that look legitimate on other sites; never enter your information or apply for CannonDesign positions on any platform. Should an issue arise that you feel we should be aware of, please contact us. Please provide your resume and portfolio when applying. As a condition of employment, all employees are expected to complete mandatory training, including compliance training, within required time frames and adhere to our internal policies and our Code of Conduct. Facility Optimization Solutions LLC. and CannonDesign is an Equal Opportunity Employer. CannonDesign is an Equal Opportunity Employer. CannonDesign is committed to maintaining a work environment that is free from any and all forms of unlawful discrimination and harassment. It is therefore the firm’s policy to prohibit discrimination and harassment against any applicant, CannonDesign employee, vendor, contractor, or client on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by applicable law. It is also CannonDesign’s policy to prohibit any and all forms of retaliation against any individual who has complained of harassing or discriminatory conduct, or participated in a firm or agency investigation into such complaints. ABOUT WORKING HERE We are relentless in our pursuit of client adoration (not simply satisfaction). Consistent delivery of the best service is what we are about. We are committed to ensuring our practice provides equal opportunities for all employees, as we strive to connect with communities around us and focus on the future of design. We support equity, diversity, and inclusion efforts that benefit all employees through the leadership of our DEI Council, our Employee Resource Groups which are open to everyone, and other community initiatives. We’re about communication and transparency here. If you want to talk to someone about an idea you have, or a challenge that needs addressing, we’re ready for you.