Senior Backend Engineer – Integrations

hace 16 horas

Capital Federal, Argentina Brainner Inc A tiempo completo

About Brainner Brainner is building enterprise-ready infrastructure for agentic recruiting. The hiring bottleneck isn’t talent—it’s process. Brainner enables AI agents to operate directly inside existing ATSs (Applicant Tracking Systems), handling evaluation, triage, and decision workflows while meeting enterprise security, compliance, and data requirements. Brainner is founded by experienced, repeat founders who have built and scaled successful SaaS companies. We focus on practical execution, strong fundamentals, and shipping real products used by real customers.. We’re a small, remote, AI-native team driven by clear goals and shared ownership, where individuals operate autonomously, move fast, and come together to build systems that matter. About the Role As our first Integrations Engineer, you’ll work closely with the founders to make Brainner operate inside the systems our customers already rely on—primarily ATSs. You’ll own how we build, run, and evolve integrations, and play a key role in defining how AI agents interact with real-world recruiting tools. This is a strong backend role with occasional frontend work to unblock onboarding and integration flows. As Brainner expands, you’ll help shape the integration layer, influence technical direction, and grow your scope and ownership with the company. Our stack: - Node.js, PostgreSQL - React / Next.js - AWS (CDK, serverless, EventBridge, SQS, OpenSearch) In this role, you will: - Own integrations end-to-end: building new ones, maintaining existing ones, and handling external API changes - Define and implement integration patterns (auth, sync, events, retries, idempotency) - Enable AI agents through integration-driven capabilities and safe execution paths - Build and maintain automated tests for integrations and backend services - Work directly with customers and ATS partners to diagnose issues and unblock releases - Contribute to architectural decisions and technical direction alongside the founders About You - Formal education in a relevant technical field (completed or not) - 5+ years of professional software engineering experience in a production environment - Proven experience building and owning systems or major features from scratch - Strong backend engineering skills with Node.js and API design - Hands-on experience with PostgreSQL and production data models - Solid experience building and operating systems on AWS, including serverless architectures, CDK, event-driven services and OpenSearch - Practical experience building AI-powered features, working with LLMs, and integrating AI into production systems - You actively use AI tools for coding and problem-solving and are comfortable working in an AI-native development workflow - Comfortable making pragmatic frontend changes using React / Next.js when required - Strong programming fundamentals with a focus on code quality, testing, and reliability - Clear communicator, organized, and able to operate independently with high ownership - Comfortable working closely with founders, customers, and external partners Benefits We are a remote first company with a team globally distributed. We offer an annual company retreat to bring the team together. Competitive market salary. Stock options available for US employees. We trust our data over our feelings. We create an environment where everyone has a voice regardless of position and seniority. We offer flexible hours to help you keep a healthy work / life balance.

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