Mindgrub
AI and digital innovation, energy and utilities sectors
SeniorJavaAPIEngineer(contract)
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“Senior Java API Engineer (contract) at Mindgrub. Skills: Java backend development, RESTful APIs, Micronaut framework, Azure, mobile application backend services. Maintain and enhance Java-based REST APIs that support native mobile applications across iOS and Android platforms. Develop new backend features and integrations while ensuring system reliability, scalability, and performance”
What You'll Achieve.
ensure the reliability, scalability, and continued evolution of client-facing mobile application services; deliver multi-channel solutions for enterprise clients; drive efficiency, growth, and ROI through AI and digital innovation
Industry & Context.
Troubleshoot and resolve production issues across application, API, and infrastructure layers; identify performance bottlenecks; incident response; root cause analysis
Ideal working hours are 11am - 8pm EDT (includes a one-hour lunch break), however starting between 9am - 12pm EDT will also be considered, Participate in on-call support rotations and assist with incident response and root cause analysis as needed
What They're Looking For.
Must Have
Must be a U. S. citizen and currently based in the United States, and authorized to work in the U. S. without sponsorship, 5+ years of professional software engineering experience with a focus on Java backend development, Experience developing and maintaining RESTful APIs in enterprise or production environments, Experience working with cloud-hosted applications, preferably within Microsoft Azure environments, Sound understanding of backend application architecture, API security, authentication, and integration patterns, Experience troubleshooting and supporting distributed applications in production environments, Familiarity with CI/CD pipelines, source control systems, and modern software delivery practices, Experience collaborating with cross-functional teams in Agile or iterative development environments, Experience working with the Micronaut framework or similar modern Java frameworks such as Spring Boot, Must be comfortable working in environments where the use of AI-assisted coding tools may be restricted due to client security or compliance requirements, Ability to communicate effectively with both technical and non-technical stakeholders, Ability to work independently while managing multiple priorities in a consulting or client-services environment
Nice to Have
Experience supporting mobile application backend services is strongly preferred, Experience mentoring developers and participating in technical design discussions is preferred
What You'll Do.
Maintain and enhance Java-based REST APIs that support native mobile applications across iOS and Android platforms
Develop new backend features and integrations while ensuring system reliability
Troubleshoot and resolve production issues across application
and infrastructure layers
Monitor application health
identify performance bottlenecks
and implement improvements to optimize system stability
Develop new backend features and integrations using Java and the Micronaut framework while ensuring system reliability
Contribute to CI/CD processes
deployment activities
and operational best practices within an Azure-hosted environment
and well-documented code following established engineering standards and best practices
How You'll Work.
Team & Collaboration
Collaborate with mobile developers, QA engineers, project managers, and client stakeholders to deliver technical solutions aligned with business requirements; Collaborate with client engineering teams to support integrations involving Micronaut-based backend services and enterprise middleware platforms; Collaborate with client engineering teams to support integrations involving custom middleware platforms and backend services; Participate in architecture and technical design discussions related to backend services and API development; Conduct code reviews and provide technical mentorship to other developers on the team
Communication Scope
Ability to communicate effectively with both technical and non-technical stakeholders
Process & Methodology
managing multiple priorities
Full Job Description
Mindgrub Technologies is an award-winning agency whose mission is to drive efficiency, growth, and ROI through AI and digital innovation. We leverage a deep understanding of technology and growth strategy to deliver multi-channel solutions for enterprise clients, with a focus on the energy and utilities sectors. Position Overview We are seeking a Senior Java API Engineer to support and enhance a REST-based API platform that powers native iOS and Android mobile applications. This role focuses on maintaining and improving backend services built using Java and the Micronaut framework within an Azure-hosted environment while collaborating closely with cross-functional engineering teams. Successful candidates will demonstrate solid backend engineering skills, sound technical judgment, and the ability to work independently in a fast-paced consulting environment. This position plays a critical role in ensuring the reliability, scalability, and continued evolution of client-facing mobile application services. Responsibilities Maintain and enhance Java-based REST APIs that support native mobile applications across iOS and Android platforms Develop new backend features and integrations while ensuring system reliability, scalability, and performance Troubleshoot and resolve production issues across application, API, and infrastructure layers Collaborate with mobile developers, QA engineers, project managers, and client stakeholders to deliver technical solutions aligned with business requirements Participate in architecture and technical design discussions related to backend services and API development Monitor application health, identify performance bottlenecks, and implement improvements to optimize system stability Develop new backend features and integrations using Java and the Micronaut framework while ensuring system reliability, scalability, and performance Collaborate with client engineering teams to support integrations involving Micronaut-based backend services and
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