Summary of Position

SIGMA Assessment Systems is seeking a Senior Full-Stack Engineer to help us develop our next-generation assessment platform for administering high-stakes psychometric/psychological testing to support organizations with selection, placement, planning and development decisions.

The ideal candidate has experience contributing to large-scale software platforms from design to development. In this role, you will be working closely with a related business and our agency partner over several phases of the project as well as our Product Manager. This is an exciting opportunity as this team is newly forming – become a founding member of our development team and help shape it!

Your initial focus will be to get up to speed on our next-generation platform, provide input to refine our development pipeline and assist in the planning and execution of an assessment authoring platform.

Key Responsibilities of Position

The successful candidate will:

Have experience designing and developing large-scale platforms used by thousands of users, with a focus on writing highly performant code and ensuring high-stakes accuracy
Participate in and contribute to the day-to-day development process
Collaborate with cross-functional teams to understand our clients and the value our product strives to deliver
Collaborate with our external agency developers to ensure code quality and consistent high-quality execution
Deliver high-quality code even under tight timelines, while ensuring consistency by writing tests to maintain code quality
Participate in code reviews, help estimate work and define tools and frameworks
Proactively contribute to continuous improvement, integration speed, developer productivity, release velocity and quality
Ensure the software is rigorously tested for performance, reliability, and scalability under different conditions. Understand when and how to execute various types of performance testing: speed, load/volume and scalability testing – using appropriate tools
Develop and maintain comprehensive documentation for software and systems
Collaborate with our QA Lead to troubleshoot bugs, prioritize issues and implement solutions

The successful candidate possesses knowledge and interest in:

Ticket tracking and documentation tools such as Jira, Notion, and Wrike, and internal communication platforms like Slack and Teams
Python, Django, Javascript, and React with a strong understanding of object-oriented programming principles and scripting
Extensive experience designing and developing API architecture using RESTful APIs or GraphQL endpoints
Extensive experience with PostgreSQL, including database design, schema creation and ensuring database performance, scalability and security
Experience designing and developing micro-services
Azure services: servers, storage, functions, DevOps
Familiar with DevOps practices
Github
Linux

Qualifications and Requirements

Bachelor's degree in computer science, or a related field, or combination of equivalent training and experience
Five or more years as a software engineer
Organizational and time management skills, with attention to detail and accuracy
Self-development skills to keep current
English proficiency, written and oral

Hours and Compensation

This is a full-time permanent position with the expectation of 37.5 hours per week. SIGMA offers competitive salaries, vacation time with additional time off the last week of December for the holiday season, a health spending reimbursement account, and flexible working hours to all employees.

This position offers room for advancement and promotion as we continue to grow, limited only by your drive and abilities.

What Makes SIGMA a Great Place to Work

We hire smart, effective, and kind people. We treat them well and pay them fairly. Many of our employees have been with us for more than 15 years, and most have advanced degrees
A respectful and professional environment where your input is valued
We’re family-friendly and provide an excellent work-life balance
Time off during the winter holiday break

Our Hiring Philosophy & AI

At SIGMA, we're a small, close-knit team that values cultural fit and alignment with our core values. We embrace the latest technology, including AI, to enhance our workflows—not to replace the thoughtful human judgment and skills we've honed. Currently, every resume is personally reviewed by our Product Manager.

We understand the current hiring landscape can be challenging, but if you're genuinely interested in this role, please make that evident in your application. Show us you're not a bot—share what drew you to this position and demonstrate that you took the time to read and consider this opportunity.

We have zero tolerance for candidates who rely solely on AI during our selection process, and cannot authentically showcase their technical skills or personality without its assistance.

SIGMA Assessment Systems jobs

Senior Full Stack Engineer