Mid Level Java Developer Jobs in Carmel, IN (NOW HIRING)

If you're ready to join a team of talented developers, you belong here. We are seeking experienced SaaS Engineers to join our Software + Solutions Engineer team and work with subject matter experts to develop, construct, and implement database and scaled processing systems and infrastructure. These solutions comprises hosted and on-prem systems that ingest batch and streaming data that will support STEM use cases.

MDMi is a growing full-service data firm bringing data architecture, engineering, and development talent together to deliver innovative STEM data/information management and process solutions. We have a deep history of developing and deploying cutting edge products and technology. We work closely with our clients, who represent the top in their industries of aerospace, defense, automotive, electronics, energy, nuclear, material production, medical devices, gas, product design and engineering, research, and government.

The key to our success is our focus on developing great people and products by providing the tools, training, and opportunities to grow. We are committed to creating a collaborative learning environment that supports technical understanding and recognizes contributions and achievement of all team members. We value our employees and want them to have a healthy balance between their personal and work lives. In addition to competitive compensation and generous benefits, life at MDMi includes a hybrid work environment providing opportunities for collaborating with subject matter experts, a modern atmosphere in a classic building in Indianapolis, company outings, volunteer opportunities, and cookouts. We offer ongoing opportunities for professional development.

• Design, develop, test, and maintain full-stack web applications using Python, Django, React, and TypeScript.
• Build capabilities for a secure, scalable, multi-tenant SaaS platform serving engineering and scientific organizations.
• Help design and implement tenant-aware application patterns, including appropriate data isolation, authorization, configuration, and operational controls.
• Design, document, and maintain secure REST APIs and backend services.
• Collaborate on cloud architecture, deployment approaches, and engineering practices that support long-term product growth.
• Improve application performance, scalability, reliability, security, and maintainability.
• Build and improve automated testing, CI/CD pipelines, release processes, and developer workflows.
• Help implement monitoring, logging, alerting, and observability practices for production systems.
• Troubleshoot production issues, identify root causes, and contribute to durable improvements.
• Participate actively in sprint planning, estimation, code reviews, technical design discussions, and Agile ceremonies.
• Collaborate closely with product, QA, UX, and engineering teammates to deliver high-quality customer outcomes.
• Share SaaS engineering practices, technical knowledge, and constructive feedback with teammates.

• Approximately 4+ years of professional software development experience.
• Experience building and supporting production web applications or SaaS products.
• Hands‑on experience with Python and a modern web framework, preferably Django.
• Experience developing React applications using TypeScript.
• Experience designing, implementing, and consuming RESTful APIs.
• Experience working with PostgreSQL or another relational database platform.
• Experience deploying, operating, or supporting cloud-hosted applications, preferably in AWS.
• Experience with Docker and containerized development workflows.
• Experience with Git and collaborative software development practices, including pull requests and code reviews.
• Experience with automated testing and CI/CD pipelines.
• Strong debugging, troubleshooting, and problem‑solving skills
• Ability to communicate clearly about technical tradeoffs, implementation approaches, and risks.
• Ability to work effectively in a collaborative hybrid environment.

• Experience designing, building, or operating a multi‑tenant SaaS platform.
• Experience with tenant isolation, role‑based access control, authorization models, or customer-specific application configuration.
• Experience supporting a transition from internally hosted or customer‑specific software to a scalable SaaS product.
• Experience implementing authentication and identity integrations using OAuth 2.0, OpenID Connect, SAML, Amazon Cognito, Auth0, Microsoft Entra ID, or similar technologies.
• Experience with AWS services and cloud‑native application architecture.
• Experience implementing monitoring, logging, alerting, and observability for production applications.
• Experience with Infrastructure as Code tools such as Terraform, CloudFormation, or similar technologies.
• Experience with GitHub Actions or similar CI/CD tooling.
• Experience with data‑intensive applications, analytics platforms, scientific software, engineering software, or enterprise data‑management systems.
• Experience with Microsoft Azure is a plus.

• React
• TypeScript
• JavaScript
• HTML5
• CSS3

• Python
• Django
• REST APIs

• PostgreSQL
• SQL Server

• AWS
• Docker
• GitHub
• GitHub Actions
• CI/CD
• Infrastructure as Code

During your first year, you will help MDMi:

• Deliver meaningful new capabilities for MDMi applications
• Strengthen the platform’s multi‑tenant architecture, security, and scalability.
• Improve automated testing, deployment automation, release quality, and development workflows.
• Increase platform reliability, operational visibility, and production readiness.
• Contribute thoughtful technical recommendations and practical implementation solutions.
• Bring proven SaaS development practices that elevate the broader engineering team.

• Competitive salary
• Health insurance
• Dental insurance
• Vision insurance
• Disability insurance
• Life insurance
• Paid time off
• 12 paid holidays
• 401(k) with company match
• Hybrid location (following onboarding period)
• Business Appropriate/Casual Work Environment
• Diverse portfolio of industries and projects
• Collaborative and dynamic team environment

MDMi is an equal opportunity employer committed to inclusion, diversity, and maintaining a harassment‑free workplace. We encourage all qualified applicants to apply for open positions, which will receive full consideration regardless of race, color, age, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status or other legally protected status. We promise that you'll always find our spirit to be welcoming, open, and inclusive.