Senior Staff Backend Engineer, AI Banking Platform

Maximum Technologies, Inc.; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

Maximum is building a core banking platform. As a Staff Software Engineer, you will own a domain service end-to-end, define its API, and drive cross-service decisions across a large, distributed system. You will write design docs, review architectures, and guide teams as they adopt AI coding agents.

You will champion reliability with replay-safe patterns, plan migrations, and ensure data consistency. Strong back-end skills in Go or other statically typed languages, plus SQL mastery, are required

Qualifications

• Shipping backend services in a statically typed language (Go preferred).
• Experience with Java, C#, Rust or TypeScript is welcome.
• Deep SQL experience incl. isolation levels, indexing, migrations across services with zero downtime.
• Led a distributed system spanning multiple services with real dependency testing.
• Experience aligning AI coding agents in team processes and reviews.
• Strong technical writing; design docs as influence tools.

Responsibilities

• Own a domain service end to end: boundaries, contracts, event schemas and data flow.
• Define patterns for resilient workflows that survive partial failure (replay-safe, idempotent, resumable).
• Tackle cross-service correctness: reconciliation, ordering across streams, cross-checking data.
• Plan and lead migrations and schema changes across services against live data.
• Set team practices for AI coding agents: trust boundaries, review workflows, and safety.
• Translate regulations and partner requirements into scalable designs for multiple teams.
• Mentor senior engineers through design and code reviews and pairing on hard problems.

Skills

Go

Java

C#

Rust

TypeScript

Tools

gRPC

SQL

Job description

Maximum is building a core banking platform. As a Staff Software Engineer, you will own a domain service end-to-end, define its API, and drive cross-service decisions across a large, distributed system. You will write design docs, review architectures, and guide teams as they adopt AI coding agents.

You will champion reliability with replay-safe patterns, plan migrations, and ensure data consistency. Strong back-end skills in Go or other statically typed languages, plus SQL mastery, are required