Software Engineer, Reliability & Platform (Fintech)

Location: New York, NY (in-person)
Company: Alinea Invest

Alinea is building the investing platform for the next generation.

• Post-Series A
• 2.5M+ downloads
• 200K+ funded accounts

As we scale, system integrity, performance, and platform stability are foundational to user trust. We’re hiring a Software Engineer, Reliability & Platform to strengthen and evolve the technical foundation of our product across mobile, backend services, databases, and AWS infrastructure.

This is a deeply technical, cross-stack role with meaningful architectural impact.

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Tech Stack

• Swift + SwiftUI
• Node.js (Express) + TypeScript
• MongoDB
• AWS (Elastic Beanstalk, EC2, CloudWatch, CodeDeploy)

You should be comfortable understanding and improving systems across the entire stack.

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What You’ll Do

• Lead deep investigations into complex production issues across iOS, backend services, and cloud infrastructure
• Perform root-cause analysis spanning API layers, async workflows, data models, third-party integrations, and infrastructure
• Improve backend service reliability, correctness, and performance in Node.js + TypeScript
• Optimize MongoDB queries, indexes, and data access patterns
• Strengthen AWS infrastructure stability across EB, EC2, deployments, and monitoring
• Improve observability using structured logging, metrics, and CloudWatch
• Reduce recurring bug classes by improving validation layers, error handling, and system boundaries
• Strengthen CI/CD and release processes to reduce production risk
• Build internal tools and scripts that improve debugging efficiency and engineering velocity
• Partner closely with product and engineering to drive platform-level improvements

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What We’re Looking For

• 3–7+ years of engineering experience
• Strong debugging skills in live production environments
• Deep understanding of APIs, async flows, and distributed system failure modes
• Experience building and improving services in Node.js + TypeScript
• Comfort navigating and contributing to Swift/SwiftUI codebases
• Strong understanding of MongoDB performance and data modeling
• Experience operating systems in AWS environments
• Ability to trace issues across multiple layers of the stack
• Structured, systems-oriented root-cause thinking
• High ownership and strong execution in fast-moving environments

Strong Plus:

• Fintech or payments experience
• Experience improving production monitoring and alerting
• Experience hardening deployment pipelines

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Impact

You will directly influence platform scalability, stability, and performance as Alinea continues to grow funded accounts and product complexity.