Software Development Engineer 3

Divisions, Inc.-posted 27 days ago

Full-time • Mid Level

Cincinnati, OH

Administrative and Support Services

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Divisions Maintenance Group provides facility maintenance services to retail chains and distribution and fulfillment centers across the country. We are leading the way with our technology, creating world-class products that are revolutionizing the industry and fulfilling our brand promise of "Uninterrupted Peace of Mind." DMG is a Certified Great Place to Work with a strong, inclusive culture and top-notch benefits. Job Summary: The Software Development Engineer III is a senior contributor on the Supply Engineering team, responsible for building and supporting highly scalable backend services. This role develops the server-side application logic, data access layers, and performance-optimized services that form the foundation of our platform. The SDE-III drives architectural discussions, collaborates across teams, and ensures high quality standards that enable reliable product operations.

Design, develop, implement, and test highly available and scalable backend services in a cloud-native microservice architecture.
Own and evolve core backend components with a focus on performance, reliability, and maintainability.
Lead and participate in technical design and architecture discussions, influencing system direction and design patterns.
Collaborate with Product, Architecture, and cross-functional engineering teams to deliver end-to-end solutions.
Implement and maintain APIs (REST, gRPC, GraphQL) and efficient data access patterns.
Work with relational and non-relational databases, optimizing queries and ensuring efficient resource utilization.
Contribute to continuous improvement of engineering processes, code quality, deployments, and monitoring.
Mentor teammates and foster a culture of learning, collaboration, and healthy risk-taking.
Bring forward new ideas to enhance platform capabilities, product features, and development practices.
Opportunity to develop AI-powered capabilities and integrate machine learning or LLM-based features into backend systems, working alongside platform and data teams (experience helpful but not required).
Other duties as assigned by management.

8+ years building scalable, highly available backend systems in a cloud-native microservice environment.
7+ years of experience with C# , familiarity with the C# language-ext library is a plus.
Experience with AWS or other major cloud platforms.
Experience implementing and consuming REST, gRPC, GraphQL APIs.
Strong experience with relational and non-relational databases (PostgreSQL, SQL Server, MySQL, MongoDB) including schema design and performance tuning.
Familiarity with Kafka or other messaging/event streaming platforms.
Understanding of modern architectural patterns such as Onion, Hexagonal, or Clean Architecture.
Experience with Git and CI/CD workflows; comfortable shipping to production frequently.
Experience working within Agile development practices.
Strong communication and collaboration skills across technical and non-technical stakeholders.
Ability to thrive in a fast-paced environment and meet in-person collaboration needs.
Ability to manage the stress of a fast-paced environment.
Ability to meet the in-person requirements of the team and/or business needs.

Experience with F# or functional programming concepts is a plus.
Experience building or integrating AI/ML-powered features, LLM-based workflows, or data-driven automation is a plus.

Health, dental and vision coverage on day 1.
Dollar-for-dollar 401K match up to 4% of salary with immediate 100% vesting.
Paid Primary and Secondary Caregiver leave.
Employee Assistance Program to assist with everyday challenges.
Paid time off to volunteer.

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