Senior Backend Software Engineer

Title : Senior Backend Software Engineer

Location : Brooklyn Park, MN (Hybrid - Tuesdays and Wednesdays)

Job Type : Contract (6 Months)

Compensation : $56.39 – 82.70 per hour (W2)

Industry: Retail

Key Technical Skills: Java, Spring Boot, MongoDB, Rest API

Overview

Our firm is partnering with a large, well-established organization in the retail and digital commerce space to identify a Senior Backend Software Engineer . This role supports a high-traffic AdTech platform , building and maintaining scalable backend services that directly impact business outcomes.

This is an opportunity to join a small, high-impact engineering team operating in a fast-paced, Agile environment with strong ownership from backlog through production.

About The Role

As a Senior Backend Engineer, you will design, build, and maintain backend services using Java and Spring Boot , working closely with product managers and engineering partners. You will take ownership of stories from the backlog, navigate requirements independently, and deliver high-quality services within a 2?week sprint cadence.

Candidates should be prepared to clearly explain backend services they have personally built during interviews, including architectural decisions, tradeoffs, and production considerations.

Key Responsibilities

• Design, develop, and maintain backend services and RESTful APIs using Java and Spring Boot
• Build and support backend services for a digital advertising (AdTech) platform
• Take ownership of work items from backlog through implementation, testing, and release
• Translate product requirements and user stories into scalable, maintainable solutions
• Navigate stories independently and contribute to sprint planning and estimation
• Write clean, well-tested code, including unit and automated tests
• Ensure services meet quality, performance, and reliability standards
• Participate in Agile ceremonies within a 2-week sprint framework
• Collaborate closely with product managers and cross-functional engineering partners
• Contribute to technical discussions, code reviews, and architectural decisions
• Partner with platform, infrastructure, and operations teams as needed

Required Qualifications (Must Have)

• 5+ years of professional software engineering experience
• Strong backend development experience using Java
• Hands-on experience with Spring Boot
• Experience building and consuming RESTful APIs
• Experience with MongoDB databases
• Solid understanding of Agile development, including sprints and user stories
• Experience with unit testing and automated testing
• Ability to work independently and explain technical solutions clearly

Preferred Qualifications

• Experience with Kotlin
• Background in AdTech, digital advertising platforms, or high-scale backend systems
• Experience with monitoring, logging, and alerting tools
• Exposure to or interest in Generative AI use cases or integrations
• Experience supporting production systems at scale

Benefits Dahl Consulting is proud to offer a comprehensive benefits package to eligible employees that will allow you to choose the best coverage to meet your family’s needs. For details, please review the DAHL Benefits Summary: How To Apply Take the first step on your new career path! To submit yourself for consideration for this role, simply click the apply button and complete our mobile-friendly online application. Once we’ve reviewed your application details, a recruiter will reach out to you with next steps! Equal Opportunity Statement As an equal opportunity employer, Dahl Consulting welcomes candidates of all backgrounds and experiences to apply. If this position sounds like the right opportunity for you, we encourage you to take the next step and connect with us. We look forward to meeting you!