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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal - Software Eng - **Company:** Ally Financial Inc. - **Location:** Charlotte, NC, United States (Remote available) - **Experience:** Experienced - **Salary:** $110,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Amazon Cloudfront, Amazon S3, Applications Architecture, Client Server Models, Cascading Style Sheets (CSS), Cloud Computing, Code Review, Relational Databases, DevOps, Identity and Access Management, PostgreSQL, Node.Js, Oracle (Applications), Pair Programming, Scrum Methodology, Release Management, Next.js, Software Engineering, TypeScript, Data Logging, Enterprise Software Applications, ReactJS, State Machines, Backend, Infrastructure Automation Frameworks, Front End Software Development, React Redux, Api Design, Cloudwatch, Api Gateway, NestJS, Restful APIs, Terraform, Serverless Computing, Microservices - **Published:** October 18, 2026 - **Apply:** https://dejobs.org/x/x/DF28D1FCEBCC4A009B60F90FC4A8927A/job/ ## About the Role * 7+ years of relevant experience or equivalent combination of education and experience * Bachelor's Degree in Computer Science or equivalent Preferred Qualifications * 8+ years of software development experience delivering scalable enterprise applications * 3+ years in a technical lead or principal engineer role with ownership of architecture, delivery, and engineering standards * Proven ability to lead end-to-end engineering for dealer-facing applications with strong focus on usability, reliability, performance, and business impact * Mentor and coach junior and mid-level developers through technical guidance, code reviews, and hands-on collaboration ## Description We are seeking a hands-on Principal Software Engineer to lead the design, development, and support of dealer-facing applications that power critical business interactions and digital experiences. This role will drive the delivery of secure, scalable, and high-performing platforms across front-end, back-end, APIs, and cloud infrastructure, with strong focus on usability, reliability, integration, and production excellence. As a Manager, you will provide technical leadership across architecture, implementation, release management, and operational support while partnering with product, business, and engineering teams to continuously improve dealer experience and platform stability. You will also mentor engineers, shape engineering standards, and help build resilient solutions that support evolving dealer and business needs. At this time, Ally will not sponsor a new applicant for employment authorization for this position. The Work Itself The Work Itself * Full-Stack Technical Expertise. Lead end-to-end full-stack engineering across front-end, back-end, APIs, data, and cloud infrastructure for dealer-facing applications, with a focus on usability, performance, resiliency, security, and maintainability. * Backend: Strong hands-on experience with Node.js, NestJS, and TypeScript for building secure, performant REST APIs and microservices that support dealer-facing experiences; expertise in API design, asynchronous processing, error handling, enterprise system integration, and relational databases such as Postgres or Oracle; strong understanding of production support, issue triage, and operational stability * AWS backend stack: Lambda, API Gateway, Step Functions, S3, and CloudFront, with the ability to design event-driven and serverless application patterns; Terraform, IAM, Secrets Manager, and Parameter Store for secure configuration and repeatable infrastructure provisioning; CloudWatch for logging, metrics, alerting, and production observability. * Frontend: Strong hands-on experience with React.js, Next.js, TypeScript, and modern CSS practices to build performant, responsive, and accessible dealer-facing user interfaces; familiarity with API integration patterns, usability-focused implementation, DevOps practices, and AWS deployment models. * Frontend architecture: Experience with micro frontend architecture, module federation, reusable component design, and client/server state management using tools such as React Query, Redux, or Zustand * Architecture & Delivery * Collaborate with architects, product partners, and cross-functional teams to define application architecture, integration patterns, and scalable technical solutions that improve dealer workflows and experience * Translate business and dealer workflow requirements into technical designs, implementation plans, and scalable solution components * Own and coordinate release management activities for dealer-facing applications, including planning, dependency tracking, deployment readiness, rollback strategy, production validation, and post-release support * Identify technical risks related to architecture, scalability, security, production stability, and dealer impact, and propose practical mitigation strategies * Participate in sprint planning, technical estimation, dependency management, support prioritization, and delivery commitments with clear engineering ownership * Liaison between product, architecture, and development team members. * Works directly with product owners to ensure stories contain the right balance of technical direction, best practices, and level of detail. * Coordinates projects with Engineering and Operations team to reduce impact on application development teams, including build-out of new development environments. * Drives continuous improvement through coaching, pair programming, code review processes, and round table discussions. * Instills strong focus and best practices for creation and maintenance of high-quality deliverables. * Communicates effectively with senior leadership and other development teams. * Sets technical expectations, and provides guidance as needed.