Quantitative developer Jobs in Charleston, SC

Overview Anatta is a leading Shopify Plus partner building enterprise-grade commerce ecosystems for ambitious brands.

We don't just implement—we architect solutions that solve real business problems.

Our clients choose us when complexity demands expertise, and when the stakes are too high for generic execution.

We're looking for an expert Shopify Full Stack Developer to build seamless, robust, and innovative in-store experiences for Shopify Point of Sale (POS).

The ideal candidate has a deep understanding of Node.js and React, and is passionate about creating applications that solve real-world retail challenges.

You will be instrumental in bridging the gap between online stores and physical retail operations by developing custom POS UI extensions and integrating essential third-party services.

As a key member of our engineering team, you'll ensure our POS solutions are performant, reliable, and perfectly aligned with our clients' business needs.

Responsibilities The below list represents the major tasks assigned to incumbents in this job.

They are not intended to be an exhaustive list of all tasks. Architect, build, and maintain high-quality, reusable, and performant Shopify POS applications.

Develop custom UI Extensions using the Shopify POS UI Extensions SDK to create bespoke in-store workflows.

Integrate server-side logic and third-party services with POS frontend components.

Collaborate closely with project managers, frontend developers, and clients to define and address technical and business requirements for retail environments.

Thoroughly test and debug applications across various devices, including physical Shopify POS hardware.

Write clean, well-documented code and build reusable libraries for future use.

Stay ahead of emerging technologies and updates within the Shopify POS platform.

Troubleshoot complex issues in live retail environments, ensuring minimal disruption to store operations.

Requirements 4+ years of professional software development experience, with at least 3 years focused on Shopify app development. 1 year of hands-on Shopify Point of Sale (POS) experience.

Demonstrable experience building and successfully deploying custom Shopify POS applications and extensions OR retail background is strongly preferred, but not required.

Strong proficiency in HTML5, CSS3, JavaScript (ES6+), React, TypeScript.

Proven integrations with payment gateways, tax engines, loyalty/fraud platforms, ERP, Inventory, OMS.

Education:

• Degree or certification in software development.

Communication:

• Fluent writing and speaking in English.
• Good organizational and documentation skills with a detail-oriented mindset.
• Preferred skills & technologies Technical Skills Integrations between POS and RFID platforms.
• Knowledge of Latest POS UI Extension Targets.
• Knowledge of Latest Admin Direct API’s.
• Experience in iPaaS and event-driven architectures.
• Observability Implementation (New Relic/Datalog/Sentry, alerts, dashboards, SLIs/SLOs).
• Knowledge of security best practices Tools & Stack (typical).
• JavaScript, React, TypeScript, @shopify/retail-ui-extensions(-react), Polaris.
• Node.js/Remix, Shopify Admin GraphQL, Web hooks, App Bridge.
• CI/CD with GitHub Actions (or similar), Shopify Partners deploy.
• AWS (EventBridge, Lambda) or equivalent cloud services.
• Bonus to have experience integrating POS applications with hardware like receipt printers, barcode scanners, and payment terminals.
• Bonus to have familiarity with inventory management systems, loyalty programs, or other common retail technologies.
• Bonus on having experience in other programming languages, such as Python/Ruby/PHP.
• Soft Skills Excellent problem-solving skills to analyze information appropriately and find the best solutions taking a balanced view to reach logical conclusions and make relevant decisions.
• Organizational skills to establish efficient and appropriate plans for self and others and adapt quickly and effectively to unexpected changes whilst still ensuring objectives are met.
• The duties and responsibilities described here are not a comprehensive list and the scope of the job may change as necessitated by business demands.
• Anatta Design reserves the right to revise the job description as circumstances warrant.
• What are the perks?
• We do our best to make sure employees are supported in everything they do.

We offer a range of benefits and perks:

• Remote first organization Full medical, dental, vision, disability, and company paid life insurance Employer 401(k) contributions Employee assistance program Start accrual with 20 days of PTO annually + holidays Annual winter break: We close the week between Christmas and New Year's so everyone can truly disconnect and recharge Paid parental leave Company events, happy hours, and retreats Budget for continuing education Other perks vary by location Physical demands requirements Common office/desk environment that involves long periods of time at a stationary desk with extensive computer work that requires repetitive motion of the wrists, hands, and/or fingers.
• If this role is filled in the US, the annual salary range is $140,000 - $160,000 USD and is commensurate to several factors that are unique to each candidate, including but not limited to years of experience, skill set / qualifications, and geographical work location considering differences in cost of living, therefore, actual base pay offered may vary. Compensation Transparency & Pay Philosophy At Anatta Design, we believe in fair and competitive compensation based on location.
• We post salary ranges in compliance with state requirements for U.S.-based roles, ensuring transparency for candidates in those regions.

If you are applying from outside the U.S., please note that our pay scales are adjusted based on the cost of living and market conditions in each country.

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