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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer | NYC | $205K-$225K + Equity - **Company:** Purple Cow Recruiting, LLC - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $205,000.0 - $225,000.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Software Quality, Data Integration, Python (Programming Language), PostgreSQL, Systems Architecture, ReactJS, Large Language Models, Generative AI, Information Technology - **Published:** September 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=709b36a0d99627ea ## About the Role Engineers aligned to Client Experience may focus on: * Data integrations * Client-facing engineering * Working directly with clients and non-technical teams Requirements: Requirements * 5+ years of professional software-development experience REQUIRED * Computer Science degree REQUIRED * Strong software-engineering fundamentals REQUIRED * Experience building and operating production systems at scale REQUIRED * Experience with Python, React, Postgres, AWS, or comparable technologies REQUIRED * Strong written and verbal communication skills REQUIRED * Ability to own technical problems end-to-end REQUIRED * Must currently reside in the United States REQUIRED * Must be able to work from New York City and relocate within 60 days if relocation is required REQUIRED Preferred * Startup or founding-team experience * Engineering experience at a high-caliber technology company * AI / LLM experience * Experience building AI agents or Generative AI functionality * Data-integration experience * Client-facing engineering experience * Entrepreneurial projects, founding projects, or other evidence of initiative and ownership Work Authorization * H-1B transfers are supported * TN status is supported * New H-1B sponsorship is not available ## Description Heartline Staffing is recruiting Senior Software Engineers for full-time opportunities in New York City. These engineers will build and scale production systems serving millions of users while influencing architecture, technical direction, engineering quality, and product development. This role is designed for experienced engineers who can own technical problems end-to-end, work effectively across teams, and contribute to both system architecture and product execution within a high-growth technology environment., * Build scalable production systems serving millions of users and financial partners. * Influence system architecture and the technical roadmap. * Own complex technical problems from definition through implementation and production. * Drive engineering best practices and code quality. * Mentor engineers. * Partner with Product, Design, and Operations. * Help improve engineering processes across the organization. ENGINEERING OPPORTUNITIES * Borrower Acquisition * Borrower Activation * Compliance & Money Operations * Consumer Conversation (CONVO) * Client Experience (CX) CONSUMER CONVERSATION (CONVO) Engineers aligned to the Consumer Conversation team may work with: * Large Language Models (LLMs) * AI agents * Generative AI ## Related Videos - [Your next 10x engineer isn't in your city. Refactor accordingly.](https://www.wearedevelopers.com/videos/100103-your-next-10x-engineer-isn-t-in-your-city-refactor-accordingly) - [Your imaginations is (no longer) the limit: how Generative AI empowers people to be creative](https://www.wearedevelopers.com/videos/741-your-imaginations-is-no-longer-the-limit-how-generative-ai-empowers-people-to-be-creative) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [The shadows that follow the AI generative models](https://www.wearedevelopers.com/videos/624-the-shadows-that-follow-the-ai-generative-models) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How Much Does a Software Engineer Make? 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