Java with Kotlin

Title: Software Engineer - Java with Kotlin

OnlyGC&Citizens
100%Remote
# of Openings: 3
Position Type: Contract to Hire
Locations: Louisville KY
Additional Details:

6monthsCTHrole

Only on W2

Description:

As a Senior Software Engineer on the Fulfillment Team you will play a critical role in designing building and scaling the core systems that enable order fulfillment. You will work closely with product managers architects and cross-functional teams to deliver highly reliable performant and extensible software that supports tens of thousands of restaurants and millions of customers globally.

• Design develop and maintain scalable high-availability backend services supporting order fulfillment and delivery workflows.
• Lead technical design and drive architecture decisions for cloud-native distributed event-driven systems.
• Build APIs and event-driven services integrating with POS kitchen systems delivery platforms and external partners.
• Own services end-to-end (design implementation deployment observability and reliability).
• Write clean maintainable and well-tested code while promoting engineering best practices.
• Provide technical leadership through code reviews mentoring knowledge sharing and contributing to refinement of engineering standards.
• Collaborate with external vendors and internal Product QA DevOps development teams and Business Operations teams to deliver resilient impactful solutions.
• Troubleshoot and resolve complex production issues with a focus on performance scalability and reliability.
• Participate in on-call rotations and lead incident response for critical systems.

• 3-5 years of software engineering experience building secure scalable backend and/or distributed systems and leading software development teams.
• Proven experience designing and operating high-scale cloud-native microservices in production.
• Strong proficiency in backend Java and Spring Boot.
• Experience designing and consuming RESTful APIs and event-driven architectures.
• Hands-on experience with cloud platforms (GCP preferred).
• Strong understanding of databases messaging systems and caching strategies.
• Excellent problem-solving skills and sense of ownership.
• Proven track record for designing/creating quality solutions with minimal input.
• Strong communication skills and ability to influence technical direction.
• Experience with Agile methodologies.

• Backend: Java 17-25 Spring Boot 3 some Python/JS.
• Cloud Platform: Google Cloud Platform (Cloud Run Pub/Sub Firestore GKEE GSM etc).
• Architecture: Event-driven microservices asynchronous processing webhook ingestion RESTful APIs.
• Infrastructure: Terraform GKE and serverless deployments.
• Data & Messaging: Firestore (NoSQL) Spanner MySQL Pub/Sub HTTP APIs.
• Observability: Splunk (logging/search) AppDynamics (APM) structured logging with MDC.
• Build & CI/CD: Gradle Jib Jenkins/Harness pipelines.
• Integrations: POS systems delivery platforms external vendor APIs.
• Tools: Jira Lucid Confluence BitBucket Gemini (for AI).

• Experience in eCommerce fulfillment delivery or restaurant technology domains.
• Familiarity with microservices Docker and Kubernetes.
• Experience with CI/CD pipelines and infrastructure-as-code (e.g. Terraform Jenkins Harness).
• Knowledge of POS systems.
• Experience supporting mission-critical systems with strict uptime latency and SLA requirements.
• Experience with AI tools and technology.
• Python experience.

Details about benefits can be provided here such as health insurance retirement plans flexible working hours and professional development opportunities.

Required Skills:

Kotlin