Senior Backend Software Engineer (Kotlin/Java)

Dahl Consulting is partnering with a leading enterprise retail technology organization to support a Contract Software Engineer focused on high-velocity feature delivery and system optimization. The role involves hands-on development of business-critical systems, ensuring high standards for performance, reliability, and security while navigating ambiguity and delivering results independently.

Responsibilities:

• Executing complex feature development and automation efforts to accelerate product data delivery
• Monitoring workflows and identifying risks while troubleshooting and resolving performance bottlenecks
• Leading platform level testing, debugging, and automation efforts, including establishing new standards for monitoring and maintenance
• Developing fully attributed data models and tuning data management solutions for optimal performance at scale
• Ensuring all implementations meet defined “definition of done” criteria, including reliability, security, and deployment stability
• Supporting the long term operational health of high traffic, customer facing systems

Requirements:

• Strong expertise in Kotlin & Java, with hands-on experience using Spring or Micronaut frameworks
• Proven experience delivering production-ready services in large-scale, high-traffic environments
• Hands on experience with automated testing and CI/CD pipelines, including tools such as Kotest and Vela
• Proficiency in system observability and debugging, using tools such as Grafana and Kibana
• Experience developing, tuning, and maintaining data-intensive systems with performance and reliability requirements
• Ability to independently execute complex engineering tasks in fast-paced, ambiguous environments
• Experience with high-performance data stores such as Valkey, RocksDB, or similar technologies
• Background supporting large-scale retail, ecommerce, or enterprise data platforms
• Previous contract or consulting experience delivering rapid value within established engineering organizations
• Strong understanding of operational excellence, including automation, monitoring, and incident prevention