Lead Software Engineer; Java + AWS

Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer to join our team in Chicago, IL! We offer a HYBRID- 3 day work model, full benefits, PTO, 401k, and more! If you're looking to grow your technical career within an extremely reputable, stable Fortune 500 company - let's talk!

The Lead Software Engineer will provide deep technical leadership for the design and implementation of Java‑based, cloud‑native systems on AWS
, defining service architecture, data flows, and integration patterns to meet strict scalability, availability, and security requirements. This role will drive architectural decisions across microservices, event‑driven, and asynchronous processing patterns
, ensuring clear service ownership and well‑defined contracts.

The position will lead development of core backend services using modern Java frameworks and AWS‑native patterns, including RESTful and event‑based APIs, message‑driven processing, and distributed data management
. The Lead Engineer will guide adoption of AWS services such as managed compute, messaging, storage, and databases, and will define standards for infrastructure‑as‑code, resiliency, fault tolerance, and graceful degradation
.

In addition, this role will establish technical best practices for CI/CD automation, observability, logging, metrics, and tracing to support reliable operation of distributed systems in production. By proactively identifying architectural bottlenecks, scalability constraints, and technical debt, the Lead Software Engineer will directly improve system performance, reliability, and long‑term maintainability while enabling the work group to scale features and throughput efficiently.

• Hands‑on development (Java / AWS): ~45–55%
  Designing and implementing backend services, cloud‑native components, and core platform functionality.
• Production support & bug fixes: ~15–20%
  Investigating and resolving defects, performance issues, and production incidents; implementing fixes and improvements to ensure system stability and reliability.
• Code reviews & technical design: ~15–20%
  Reviewing pull requests, leading technical design discussions, and defining architecture and implementation standards.
• Technical collaboration & cross‑team alignment: ~5–10%
  Participating in architecture reviews, integration discussions, and coordination with other engineering teams.
• Agile & required technical ceremonies: ~5–10%
  Sprint planning, backlog refinement, stand‑ups, retrospectives, and necessary technical or operational calls.

• NO Degree required
• Must have 10+ years’ experience as a PM
• At least 3+ years’ experience in leading a team is preferred.

• Strong AWS expertise
  , including designing and operating cloud‑native, highly available distributed systems
• Advanced Java and/or Kotlin in production environments
• Spring Boot for building microservices and REST APIs (e.g., Spring Web/MVC, dependency injection, configuration, actuator/health checks)
• Microservices architecture and distributed systems patterns (service boundaries, resiliency, fault tolerance)
• RESTful API design & implementation
  , including documentation (OpenAPI/Swagger)
• SQL + relational databases (data modeling, query tuning, performance)
• No
  
  SQL / non‑relational data stores (e.g., Dynamo
  
  DB/Mongo
  
  DB/Cassandra)
• CI/CD and build/deploy automation (pipelines, quality gates, repeatable releases)
• Data streaming / asynchronous messaging (event‑driven patterns; e.g., Kafka)
• Observability & production troubleshooting (logging/metrics/tracing, incident investigation)

• Strong technical communication skills
  , able to clearly explain complex designs and trade‑offs to engineers, product owners, and managers
• Collaborative mindset with the ability to work effectively across teams on shared architectures and dependencies
• Technical leadership and ownership
  , driving decisions and follow‑through on complex engineering problems
• Problem‑solving and analytical thinking
  , especially in debugging, production support, and performance issues
• Ability to balance technical depth with delivery
  , making pragmatic decisions aligned with business priorities
• Comfortable participating in Agile ceremonies and technical discussions while remaining primarily hands‑on

• 401(k)
• Dental insurance
• Vision Insurance
• Disability insurance
• Employee assistance program
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Paid Holidays

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