Senior Software Engineer, Postscript
Backend
$170-200k
+ Equity
SMS marketing platform for eCommerce companies
Be an early applicant
SMS marketing platform for eCommerce companies
201-500 employees
Be an early applicant
$170-200k
+ Equity
201-500 employees
Company mission
To make SMS the #1 Revenue Channel for Merchants.
Role
Who you are
- Strong experience working with OpenAI, LLMs, and RAG, with a passion for implementing cutting-edge AI-driven solutions
- Minimum 6-8 years professional software development experience, with 1-2 years at minimum in AI solutions
- Proven track record of building and scaling backend systems, ideally in high-growth or early-stage environments
- Expertise in Python (Flask, SQLAlchemy) and building robust, modular APIs, with a focus on extensibility and performance
- Deep understanding of relational databases, data modeling, and AWS architecture, with a focus on high observability and scalability
- Ability to lead app projects from conception to delivery, managing ambiguity, and driving results
- Experience mentoring and leading engineering teams, with a collaborative mindset and excellent communication skills
- Familiarity with modern frontend technologies (TypeScript, Lit Web Components) and a willingness to work across the stack as needed
- You’re curious and enthusiastic—you love building things
- Energized by early stage companies and the opportunity to own and improve a new, fast-growing codebase
- You can drive technical decisions by measuring trade offs informed by both business priorities and technical needs
- You have empathy for users and enjoy helping others
- Bonus: Remote work experience. You love working on a remote-first team
What the job involves
- At Postscript, we’re leveraging AI to revolutionize SMS performance, driving measurable revenue gains through continuous self-improvement, proven by real-time testing
- As the online shopping landscape grows, the demand for scalable, personalized customer engagement solutions is unprecedented
- As a Senior Backend Engineer on the Conversations AI Team, you’ll be at the forefront of innovation, using your expertise in OpenAI, Large Language Models (LLMs), and Retrieval-Augmented Generation (RAG) to push the boundaries of conversational AI
- You’ll architect, build, and refine systems that enable our AI agents to learn, adapt, and deliver personalized shopping experiences that scale to millions of users
- Your work will have a direct impact on Postscript’s bottom line and our customers’ success by helping SMS become their most powerful revenue channel
- This role offers a unique opportunity to influence how AI can drive next-level customer engagement and guide the team in crafting solutions that combine technical excellence with business value
- Architect, build, and maintain scalable, high-performance APIs for our AI-driven conversational tools, ensuring seamless and efficient customer interactions via SMS
- Work closely with cross-functional teams to integrate LLMs, OpenAI models, and RAG techniques into our AI platform, driving personalized, real-time customer engagement
- Lead the design and deployment of highly available, modular, and scalable backend systems on AWS, using Python (Flask) and other modern technologies
- Innovate on acquisition tools that collect valuable customer data and contribute directly to the growth of our clients’ SMS subscriber lists
- Own the implementation of new AI features from start to finish, collaborating with product managers and designers to deliver customer-focused solutions
- Mentor and guide other engineers, fostering a culture of continuous improvement and learning
- Lead with technical excellence, balancing the need for immediate solutions with long-term scalability and maintainability
Our take
SMS marketing can be an extremely effective tool for eCommerce businesses, but it can often be invasive and irritating to consumers. Postscript solves this problem by offering personalized and optimized SMS advertising.
SMS marketing is nothing new, but Postscript has set itself apart by maintaining a laser-sharp focus on Shopify stores. As a result, the company has tapped into a previously underserved market that has seen rapid, continuous growth in recent years.
As eCommerce sales via SMS continue to rise in the US, Postscript is well-positioned to lead the market, helping more merchants develop personalized, effective communication strategies that drive customer loyalty and revenue.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
21% employee growth in 12 months
Company
Funding (last 2 of 4 rounds)
Jun 2022
$65m
SERIES C
Mar 2021
$35m
SERIES B
Total funding: $104.7m
Company benefits
- Work from home (or anywhere!)
- Full team off-sites in cool places
- Growth is encouraged, with lots of direct feedback
- We have fun and celebrate wins
- Culture of transparency and trust
- Flexible vacation
- Medical, dental, and vision insurance
- Equity grants
- And more..
Company HQ
South Scottsdale, Scottsdale, AZ
Leadership
Adam Turner
(Co-Founder & CEO)Previously worked in Business Intelligence at Bitium. They also co-founded Wilbits where they worked in Product and Engineering, as well at serving as a Product Manager at StackCommerce before co-founding Postscript.
Colin Turner
(Co-Founder & COO)Previously co-founded Wiblits. They also worked at Verimatrix for over 5 years in multiple roles, including Project Manager.
Alex Beller
(Co-Founder)Previously the Director of Business Development at StockCommerce.
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