Software Development Engineer III (Backend + AI)

About the role

The Software Development Engineer III (backend + AI) role is part of the Subsplash Product and Engineering Team. Reporting to a Software Development Manager, this role involves building systems that meet user needs and ensure stability and uptime. Key responsibilities include designing, developing, and maintaining web services and financial software systems.

Responsibilities

• Work closely with Designers, Project Managers, and other Engineers to build robust systems.
• Make architectural decisions for expanding existing projects and planning new systems.
• Ensure security and stability of web services and financial software systems.
• Protect against security risks such as XSS, SQL Injection, and manage SSL and session hijacking.
• Implement and maintain security best practices for server-side and client-side languages.
• Collaborate with AWS or similar hosting providers for hosting services.
• Write technical documentation and proposals.
• Mentor and review others' work, providing constructive feedback.
• Navigate ambiguous requirements and prioritize multiple projects, tasks, and bug fixes.
• Participate in the team's on-call rotation.

Requirements

• 7+ years of full-time programming experience in a group/team environment.
• Significant experience with server-side web technologies (Unix/Linux, Golang, PHP, MySQL, MongoDB).
• Networking and Network Security proficiency.
• Experience protecting against security risks such as XSS, SQL Injection, appropriate use of SSL, session hijacking etc.
• Experience with AWS or similar hosting providers.
• Experience writing technical documentation and proposals.
• Able to navigate ambiguous requirements while prioritizing multiple projects, tasks, and bug fixes.
• Able to mentor others, communicate complex technical requirements with clarity, and influence others' technical design decisions.
• Participate in the team's on-call rotation as needed.

Desired Skills and Experience

• Experience with Golang, Microservice architecture, NGINX, Redis, and PHP.
• Extensive knowledge of HTML5, CSS3, AJAX, JSON, and cross-browser compatibility.
• Solid understanding of OAuth2 and Authentication protocols.
• Experience with Continuous Integration and Continuous Delivery.
• Experience with data security best practices related to PCI/DSS/CISP/SOC2.
• Experience with containerization and orchestration (Docker/Kubernetes, etc.).
• Experience with AI-driven development agents (e.g., Claude Code, Cursor) and integrating LLMs into the SDLC to significantly accelerate engineering velocity.
• Proficiency in prompt engineering and agent orchestration, with an ability to effectively review, debug, and refine code generated by agents.
• Understanding of AI-native development patterns, including managing agent-specific context (e.g., CLAUDE.md), utilizing Model Context Protocol (MCP) integrations, and adhering to automated guardrails for security and code quality.
• Strong product-design intuition to define requirements, oversee agent-led implementation, and maintain high code quality in a high-velocity, automated environment.

Benefits

• Generous Paid Time Off (Accrual rate of 15 days for the first year and then 20 vacation days per year beginning on your 1 year anniversary).
• Medical, Dental, and Vision Coverage.
• Short and Long Term Disability and Life Insurance.
• Competitive Compensation.
• 401k Matching.
• Professional Development.
• Top of the Line Equipment.
• Referral Program.
• Parental Leave.
• Family-Friendly Culture.
• The chance to work side-by-side with thought leaders in emerging tech.

Location

This role is available as a 100% remote position if you reside in one of the following states: AL, AR, AZ, CO, FL, GA, ID, IA, IN, KS, KY, MO, MI, MN, NC, NM, OK, OH, OR, SC, SD, TN, TX, UT, VA, WA, WY.

Pay and Schedule

The total overall compensation for this role will be between $135,000-155,000/yr.

Benefits

• Generous Paid Time Off (Accrual rate of 15 days for the first year and then 20 vacation days per year beginning on your 1 year anniversary).
• Medical Coverage.
• Dental Coverage.
• Vision Coverage.
• short and long term disability and life insurance all free of charge.
• Competitive Compensation.
• 401k Matching.
• Professional Development.
• Top of the Line Equipment.
• Referral Program.
• Parental Leave.
• Family-Friendly Culture.
• The chance to work side-by-side with thought leaders in emerging tech.

Pay and Schedule

The total overall compensation for this role will be between $135,000-155,000/yr.

Schedule

Primary position hours are 7:30 am to 4:30 pm Mon-Fri.