Senior Software Engineer in El Segundo

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job DescriptionJob Description

Job Title: Principal Product Engineer (AI-Enabled SaaS Platform
Location (On-site, Remote, or Hybrid?): El Segundo, CA (Onsite – 5 days/week required)
Contract Duration: PERM

VS2025

Role Overview
We are looking for a Principal Product Engineer to help design, build, and evolve a complex, AI-enabled SaaS platform. This role is ideal for a senior engineer who enjoys working on core systems, product workflows, and scalable backend services, and who can collaborate closely with product and business stakeholders.

The engineer in this role will contribute to technical design, implementation, and ongoing enhancements, while helping ensure the platform remains reliable, scalable, and well-structured as it grows.

Required Qualifications
Backend & Data

• 8+ years of professional software engineering experience
• Strong experience with Node.js and TypeScript
• Advanced working knowledge of PostgreSQL, including schema design and indexing
• Experience building backend systems beyond simple CRUD applications

Cloud & Infrastructure

• Hands-on experience with AWS (e.g., S3, ECS/Fargate, RDS, IAM)
• Familiarity with containerized applications and stateless services
• Understanding of production monitoring, logging, and reliability practices

AI / Modern Engineering Practices

• Experience integrating or working alongside LLM-based APIs or AI-assisted workflows
• Comfort using AI tools to accelerate development while maintaining quality and security
• Understanding of performance, cost, and reliability considerations in AI-enabled systems

Qualifications

• Experience as a Staff or Principal Engineer on a SaaS platform
• Exposure to event-driven or workflow-oriented architectures
• Experience working in environments with evolving requirements

Environmental, Psychological and Physiological Requirements:

• The work will be performed inside a multi-story office building with elevators and stairs.
• The person must be able to remain in a stationary position for up to 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery and conference rooms.
• Constantly operates a computer and other office productivity machinery such as a copy machine, printer and calculator
• Frequently communicates with employees who have inquiries.
• Ability to learn technical material and apply the knowledge to their work.

Company DescriptionTechLink Systems is a provider of staffing services with offices all over the USA as well as development and support centers globally. We are a MBE (NMSDC), WBE (WBENC), and WOSB certified minority business that has been awarded 2017 TAPFIN Premier Partner, 2016 Manpower Excellence Award, 2016 TAPFIN Elite Partner, are a Known Tier Supplier for Agile 1, and have been ranked as a Top Women and Minority Owned Company since 2004 by several businesses including Philadelphia Business Journal, Business, Inc 5000, Inc 500, San Francisco Business Times, Diversity2000, and Los Angeles Business Journal.

We serve the contract staffing, direct hire, staff augmentation, recruitment, HR management, and project outsourcing needs of clients nationwide. Striving to create personal relationships with clients, TechLink Systems becomes a virtual extension of clients’ own in-house capabilities to help achieve new levels of growth, productivity, and competitiveness.

We also have recruitingCompany DescriptionTechLink Systems is a provider of staffing services with offices all over the USA as well as development and support centers globally. We are a MBE (NMSDC), WBE (WBENC), and WOSB certified minority business that has been awarded 2017 TAPFIN Premier Partner, 2016 Manpower Excellence Award, 2016 TAPFIN Elite Partner, are a Known Tier Supplier for Agile 1, and have been ranked as a Top Women and Minority Owned Company since 2004 by several businesses including Philadelphia Business Journal, Business, Inc 5000, Inc 500, San Francisco Business Times, Diversity2000, and Los Angeles Business Journal. \r\n\r\nWe serve the contract staffing, direct hire, staff augmentation, recruitment, HR management, and project outsourcing needs of clients nationwide. Striving to create personal relationships with clients, TechLink Systems becomes a virtual extension of clients’ own in-house capabilities to help achieve new levels of growth, productivity, and competitiveness. \r\n\r\nWe also have recruiting

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.