Senior Software Engineer

The Harper Group Inc

United States

3 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

2 years minimum

Compensation

$150,000.0

Working hours

Regular working hours

Job source

arc.dev

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Amazon Web Services User Authentication Software as a Service Code Review Continuous Integration Software Debugging Distributed Systems PostgreSQL Open Web Application Security Performance Tuning

+7 more

Secure Coding Software Engineering Large Language Models Multi-Agent Systems Backend Production Code Code Restructuring

Job description

You’ll ship production Java at scale using AI coding agents as a core part of how you work, not a bolt-on. This is a senior individual contributor role for someone who has spent the last couple of years building real systems with LLM tools and multi-agent workflows, and who still writes and reviews code to a high standard., * Design, build and maintain production backend and distributed systems in Java and Spring, owning complex features from implementation through to deployment

Use LLM-based coding tools and agent workflows daily to write, refactor, test and debug code, and keep evolving how you work as the tooling changes
Work with MCP-style multi-agent systems to generate and iterate on production code, automate test creation, support root-cause analysis and speed up code review
Debug and resolve issues in large-scale production environments, and fix performance, reliability and scalability problems in existing systems
Improve testing practices, CI/CD workflows and developer efficiency across the team
Give clear technical feedback in code reviews and work iteratively with engineers and product teams

Requirements

10+ years of hands-on software engineering building and maintaining production systems at scale (client requirement)
Expert-level Java and advanced Spring
2+ years of daily, hands-on use of AI coding assistants and multi-step agent workflows (MCP-style or equivalent) for development, debugging and refactoring
Strong backend, API, distributed systems and system design experience, with production AWS
Strong PostgreSQL, including data modelling, performance tuning and querying
Solid grounding in secure coding, OWASP principles, authentication and authorisation, and data protection in distributed systems

Nice to have:

Experience in fintech, payments, trading or other regulated financial systems
Experience with developer productivity tooling or internal engineering platforms
Exposure to high-scale SaaS or distributed enterprise systems
Experimenting with or training autonomous coding agents

Benefits & conditions

Salary: up to 150,000USD/annum + benefits (medical cover, performance bonuses, 401(k))
Location: US, remote - open to travel (once a quarter)
Senior individual contributor, embedded in an engineering team
LT Harper is handling this search on behalf of our client