> Markdown version of [/jobs/ext/4341804-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/4341804-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** 66DEGREES, INC. - **Location:** Chicago, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), BigQuery, Business Systems, Cloud Computing, Cloud Database, Code Review, Databases, Continuous Integration, DevOps, Protocol Buffers, JSON, Junit, Mockito, Software Engineering, SQL Databases, Data Streaming, Google Cloud, Spring-boot, Change Data Capture, Apigee, Backend, Git, Event Driven Architecture, Debezium, Information Technology, Avro, Google Cloud Functions, Enterprise Integration, Real Time Data, Apache Kafka, Data Lakehouse, Oracle Ebusiness, Cloud Integration, Restful APIs, Terraform, Data Pipelines, Docker, Microservices - **Published:** October 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0f2fc73cdec0fd3d ## About the Role * Experience: 12+ years in backend software engineering with a strong focus on enterprise integration and event-driven architecture., * Java & Frameworks: Expert in Java (11/17/21) and Spring Boot. * Cloud: Hands-on GCP experience (Cloud Run, Pub/Sub, BigQuery, GCS, Secret Manager). * Streaming & Databases: GCP Pub/Sub or Apache Kafka, deep SQL, and CDC tools (Datastream, Debezium, or GoldenGate). * Data Contracts: Avro, Protobuf, or JSON Schema. * DevOps & Testing: Docker, Git, CI/CD pipelines, JUnit 5, Mockito, and Testcontainers. * Education: Bachelor's or Master's in Computer Science or related field. * GCP Certifications (Professional Cloud Architect, Developer, or Data Engineer) (nice to have) * Experience with Quarkus, Apigee X, or Terraform.(nice to have) * Background in Supply Chain, Wholesale Distribution, or Logistics.(nice to have) * Prior integration experience with Manhattan Active WMS, o9 Solutions, Oracle EBS, or Syndigo. (nice to have) ## Description The Senior Software Engineer (EIP) will serve as a technical expert building high-speed, real-time cloud integration pipelines and Java microservices on Google Cloud Platform (GCP). Acting as the backbone of McLane's "Integration Factory," the role connects core databases to modern supply chain platforms (Manhattan Active, o9 Solutions) and the Cloud Data Lakehouse. Key duties include coding Java/Spring Boot microservices on Cloud Run and GKE, managing event streaming via Pub/Sub and Kafka, and governing APIs and schemas. It requires 12+ years of backend engineering experience along with deep GCP, Java, and event-driven architecture expertise., * Build Cloud-Native Microservices: Architect, code, and deploy fast, resilient microservices using Java (17/21) and Spring Boot on Google Cloud Run and GKE. * Handle Real-Time Data & Messaging: Design event-driven streaming pipelines using GCP Pub/Sub, Apache Kafka, and Change Data Capture (CDC / Datastream) to move database changes instantly. * API Governance & Schema Management: Design REST APIs (Apigee X) and enforce strict data contracts (Avro, Protobuf, JSON Schema). * Technical Leadership: Conduct code reviews (PRs) for internal teams and vendors, establish integration templates, maintain high testing standards (TDD), and set up monitoring/tracing. * Core Focus: Building high-speed, real-time cloud data pipelines and microservices on Google Cloud Platform (GCP) to connect core business systems (Supply Chain, Warehouse Management, Data Lakehouse).