Staff Software Engineer, Technical Lead – Merryfield

Attain · Chicago, IL

Posted 2/10/2026 · last confirmed live 8/26/2026

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. Attain Office Hybrid Schedule (where applicable):  Redwood City, CA: Mondays (in-office for stand-ups, all-hands) and choice of three days between Tues-Friday Chicago, IL & New York, NY: 4 days in-office; 1 day remote You’ll be a great fit for the role if You are excited to architect and build microservices using Node.js and Go 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., Claude Code, Cursor, 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.

This role is published by Attain on greenhouse. SwiftFit is not the employer and does not accept applications.