Lead Software Development Engineer

Diversified Services Network, Inc.•Peoria, IL

12h•$160,000 - $170,000•Hybrid

About The Position

Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Development Engineer to join our team in Chicago, IL! We offer full benefits, PTO, 401k, and more! If you are a seasoned back-end engineer who thrives on building complex, scalable software within an Agile environment at an extremely reputable, stable Fortune 500 company — let’s talk! We are seeking a Lead Software Development Engineer to join our Software Engineering team in a hybrid role based in Chicago, IL (2 days on-site per week). Reporting to the Software Engineering Manager, you will work as part of an Agile Scrum team contributing to the development and maintenance of mobile, web, cloud, and server computing systems. This is a senior-level individual contributor role requiring deep back-end engineering expertise, strong cloud knowledge, and the ability to lead architectural decisions and guide other team members.

Requirements

Bachelor’s degree in Computer Science, Electrical Engineering, or a related field with 10+ years of software development experience; or Master’s degree with 8+ years of experience.
10+ years of Java development experience (8+ with a Master’s degree); solid knowledge of computer science fundamentals including data structures and algorithms.
3+ years of AWS experience including CloudFormation templates, ECS clusters, Lambda, Fargate, Amazon Elasticsearch, S3, and strong understanding of IAM roles and policies.
Proven experience designing, developing, deploying, and maintaining software at scale using architectural patterns such as MVC, Microservices, and Event-driven architecture.
Experience with relational and NoSQL databases; deploying software via CI/CD tools such as Jenkins or Azure DevOps; and working within an Agile/Scrum framework.
Experience with batch or stream processing systems (AWS SQS, SNS, Kinesis); designing RESTful APIs; API tools such as Swagger, Postman, or Assertible; and datastores including DynamoDB, MongoDB, Cassandra, Redis, Elasticsearch, MySQL, or Oracle.
Hands-on experience with test-driven development (TDD), behavior-driven development (BDD), and testing tools such as Selenium and Cucumber integrated into CI/CD pipelines.
Ability to work effectively under pressure and within tight time constraints.
Genuine passion for technology and an eagerness to contribute to a collaborative, team-oriented environment.
Strong leadership presence — able to drive architectural decisions and work across teams to arrive at practical, scalable solutions.

Responsibilities

Design, code, test, and debug high-complexity programs; develop major system modules, programs, or infrastructure releases based on requirements gathered from system customers.
Work independently on complex processes and modules used by one or more programs, systems, or infrastructure components; configure and customize purchased software solutions of high complexity.
Perform integrated testing and customer acceptance testing requiring careful planning and execution to ensure timely, quality results; perform integration tasks for in-house developed and purchased hardware/software solutions.
Work on complex application and technical problem identification and resolution, including responding to off-shift and weekend support calls as needed.
Lead architectural designs across teams; provide project management, programming, and system administration guidance to other team members.
Assist customers with documentation, training, and usability efforts.