Summary of PositionSIGMA 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 PositionThe 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 accuracyParticipate in and contribute to the day-to-day development processCollaborate with cross-functional teams to understand our clients and the value our product strives to deliverCollaborate with our external agency developers to ensure code quality and consistent high-quality executionDeliver high-quality code even under tight timelines, while ensuring consistency by writing tests to maintain code qualityParticipate in code reviews, help estimate work and define tools and frameworksProactively contribute to continuous improvement, integration speed, developer productivity, release velocity and qualityEnsure 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 toolsDevelop and maintain comprehensive documentation for software and systemsCollaborate with our QA Lead to troubleshoot bugs, prioritize issues and implement solutionsThe 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 TeamsPython, Django, Javascript, and React with a strong understanding of object-oriented programming principles and scriptingExtensive experience designing and developing API architecture using RESTful APIs or GraphQL endpointsExtensive experience with PostgreSQL, including database design, schema creation and ensuring database performance, scalability and securityExperience designing and developing micro-servicesAzure services: servers, storage, functions, DevOpsFamiliar with DevOps practicesGithubLinuxQualifications and RequirementsBachelor's degree in computer science, or a related field, or combination of equivalent training and experienceFive or more years as a software engineer Organizational and time management skills, with attention to detail and accuracySelf-development skills to keep currentEnglish proficiency, written and oralHours and CompensationThis 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 WorkWe 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 degreesA 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 breakOur Hiring Philosophy & AIAt 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.Apply NowLet's start your dream job Apply now Meet JobCopilot: Your Personal AI Job HunterAutomatically Apply to Remote Full-Stack Programming JobsJust set your preferences and Job Copilot will do the rest-finding, filtering, and applying while you focus on what matters. Activate JobCopilot