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Staff Software Engineer, Technical Lead – Merryfield

AttainOnsite

About Attain


Built for consumers and companies, alike. In a world driven by data, we believe consumers and businesses can coexist. Our founders had a vision to empower consumers to leverage their greatest asset—their data—in exchange for modern financial services. Built with this vision in mind, our platform allows consumers to access savings tools, earned wages and rewards without cost or hidden fees. In exchange, they give permission to use their real-time data for research, insights and targeted advertising.At Attain, your contribution will help us build a more equitable and efficient data sharing ecosystem—whether helping consumers access modern financial services or businesses leverage data to achieve better outcomes.

You’ll have the opportunity to work directly with hands-on leaders and mission-driven individuals everyday.Part of Attain’s portfolio of mobile applications, Merryfield is a leading performance marketing platform that connects better-for-you brands with a premium audience actively seeking high-quality, clean-label products. The platform offers targeted promotions, flexible budget options and detailed reporting to help brands grow their reach and engage loyal customers. This role is on the following hybrid schedule (Tues-Th) in our Chicago, IL office. 

You’ll be a great fit for the role if


  • You are excited to architect and build microservices using Node.js and Rust
  • You love working closely with product teams to identify the best way to deliver great customer experiences and pursue new revenue opportunities
  • You are energized by working in high-throughput environments where stability, speed, and customer experience are equally important.
  • You have a willingness to learn and teach in a collaborative environment
  • You’ve been complimented on how well you participate in an open feedback environment

What your day to day will look like


  • Use new and modern technology to build new features and services across our microservice architecture
  • Write thoughtful & quality code that is readable, testable, and easily maintainable
  • Create data-driven and stable APIs for our mobile apps to consume
  • Strive for excellent development practices and careful code architecture that is built around rapid releases
  • Work cross-functionally with all mobile and backend engineers, and product teams to consistently release high-quality, customer-focused features
  • Adhere to, and improve upon, our agile process through requirement documents, sprint retrospectives, and other regular cadence meetings

Preferred Qualifications


  • 6+ years of experience building backend services with 2+ of those years in a technical leadership capacity (mentoring junior engineers, scoping technical projects, etc.) 
  • Experience with Microservice or Service-oriented Architectures.
  • Experience building within the Node.js ecosystem
  • Experience using gRPC, protobuf, or GraphQL
  • Experience managing AWS environments (GCP is a plus)
  • Experience with working with relational databases
  • Experience with message queues or event streams
  • Experience in the financial and rewards tech industry is a plus
  • Experience proactively working with modern AI-enhanced development tools (e.g., Cursor, Windsurf, Cody, etc.) and a curiosity for emerging AI workflows

We’re excited to hear from you. 


At Attain, we are passionate about finding people to continuously help us grow our organization. We encourage you to apply, even if your experience doesn’t match every detail of the job description. If we don’t see something that immediately fits, we will keep your resume on file for future opportunities.

Life at Attain

Attain has provided support services including training, data analysis and migration, and independent verification and validation services to the LMP Program Office since 2000. Based in Vienna, Va., Attain, LLC is a professional services company comprised of innovative problem solvers who deliver tangible results to address today’s complex public sector challenges. With approximately 200 employees, Attain delivers strategic, operational support, healthcare solutions, and IT security and application services to more than 125 customers in the Federal, state and local government, higher education and nonprofit markets.
Thrive Here & What We Value1. Missiondriven individuals2. Handson leaders3. Collaborative Environment4. Hybrid Schedule (three days per week)5. Opportunity to Work Directly with CSuite Leadership/Key Decision Makers6. Passion for Continuous Learning and Improvement7. Positive Attitude and CanDo Mentality8. Encourages applicants even if their experience doesn't match every detail of the job description9. Datadriven company10. Opportunity for growth within the organization

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