Find Postscript Senior Software Engineer software engineering jobs

SMS revenue platform for e-commerce merchants, trusted by over 18,000 Shopify stores

Postscript, founded in 2018, is revolutionizing e-commerce marketing through its SMS platform, serving over 18,000 Shopify and Shopify Plus stores. As a Senior Backend Engineer on the Data Platform team, you'll be at the forefront of building cross-domain data services and integrations. The role focuses on designing end-to-end data pipeline solutions, from ingestion to service development, supporting both product features and internal BI initiatives. The position is crucial for advancing product-driven AI efforts and ensuring reliable data flow throughout the platform.

The company, backed by Greylock and Y Combinator, operates as a 100% remote organization with over 250 employees. They're on a mission to make SMS the number-one revenue channel for e-commerce merchants by providing comprehensive tools for subscriber list growth, messaging strategy development, customer service, and sales driving capabilities.

This role offers an excellent opportunity to work with modern technologies including Go, Python, and various AWS services, while building scalable distributed systems. You'll be handling complex data integration challenges, working with various data persistence technologies, and contributing to the architecture of event-driven systems. The position offers competitive compensation ($170K-$200K base salary plus equity), comprehensive benefits, and the flexibility of remote work.

The ideal candidate will bring strong technical expertise in distributed systems, data engineering, and cloud services, combined with the ability to mentor team members and drive technical decisions. You'll be joining a high-growth startup where you can directly impact the company's success while growing your career in a supportive, values-driven environment.

Senior Backend Engineer role at Postscript focusing on data platform development, offering competitive salary and remote work flexibility.

Senior Backend Engineer, Data Platform

SMS marketing platform for Shopify and Shopify Plus stores, helping ecommerce brands grow subscriber lists and drive sales.

Postscript, a rapidly growing SMS marketing platform trusted by over 18,000 Shopify and Shopify Plus stores, is seeking a Senior Software Engineer for their Data Platform team. Founded in 2018 and backed by prestigious investors like Greylock and Y Combinator, Postscript has grown to over 250 employees while maintaining a 100% remote work culture.

The role focuses on enriching Postscript's product with cross-domain data services and integration. You'll be responsible for designing and building end-to-end data pipeline solutions, handling everything from data ingestion to service development. This position is crucial for ensuring data reliability across the platform and advancing product-driven AI initiatives.

As an ideal candidate, you'll bring 5+ years of experience with Go and Python, along with extensive knowledge of distributed systems, AWS services, and various data persistence technologies. You'll work with cutting-edge event-driven systems and infrastructure-as-code technologies, making this an excellent opportunity for someone who enjoys tackling complex technical challenges.

The position offers a competitive salary range of $170,000-$200,000, plus significant equity, comprehensive benefits, and the flexibility of remote work. You'll join a high-growth startup where you can directly impact the company's success and grow your career while working with a passionate team dedicated to making SMS the number-one revenue channel for ecommerce merchants.

Senior Software Engineer position at Postscript, building data platform solutions for leading SMS marketing platform, offering remote work and competitive compensation.

Senior Software Engineer, Data Platform

SMS marketing platform for Shopify stores, trusted by 18,000+ merchants to run world-class SMS marketing programs.

Postscript, a rapidly growing SMS marketing platform trusted by over 18,000 Shopify and Shopify Plus stores, is seeking a Senior Fullstack Engineer to join their App Systems Team. Founded in 2018 and backed by prestigious investors like Greylock and Y Combinator, Postscript has grown to over 250 employees while maintaining a 100% remote culture.

As a Senior Fullstack Engineer, you'll be instrumental in creating powerful user experiences for shops onboarding onto Postscript's product offerings, including AI solutions and billing systems. The role combines technical leadership with hands-on development, working primarily with React, Python, and Go microservices in a hybrid architecture environment.

The position offers an attractive compensation package of $170,000-$200,000 plus significant equity, along with comprehensive benefits including health, dental, and vision insurance. Working in a fully remote capacity across North America, you'll have the opportunity to make a direct impact on both the product and company growth.

The ideal candidate brings strong experience in backend development, API design, and modern web technologies, coupled with the ability to mentor others and drive technical decisions. You'll be joining a dynamic, fast-paced environment where your contributions will directly influence customer success and company growth.

This role is perfect for someone who thrives in early-stage companies, enjoys building new solutions, and wants to be part of a mission to make SMS the number-one revenue channel for ecommerce merchants. The position offers significant autonomy, growth potential, and the chance to shape the future of e-commerce marketing technology.

Senior Fullstack Engineer position at Postscript, building SMS marketing solutions for Shopify stores with React, Python, and Go in a remote environment.

Senior Fullstack Engineer

Postscript redefines marketing for ecommerce companies by introducing SMS as a new channel for engagement, retention, and customer conversion.

Postscript is revolutionizing e-commerce marketing through SMS technology, backed by prestigious investors like Greylock and Y Combinator. As a Senior Fullstack Engineer on the App Systems Team, you'll be at the forefront of creating powerful user experiences for shops integrating with Postscript's product offerings, including AI solutions and billing systems.

The role combines frontend and backend development using React, Python, and Go microservices in a hybrid architecture. You'll work with technologies like PostgreSQL, MongoDB, and Snowflake, while having the opportunity to shape the technical direction of a rapidly growing platform. The position offers the perfect blend of technical challenges and business impact, as your work will directly influence customer acquisition and retention.

As a senior team member, you'll have significant autonomy and responsibility in technical decision-making, mentoring other engineers, and driving architectural decisions. The role is fully remote in North America, offering a competitive base salary of $170,000-$200,000 plus significant equity. You'll be joining a high-growth startup where you can directly impact the company's success and grow your career.

The ideal candidate brings strong experience in both frontend and backend development, with expertise in React, Python, and Go. You should be passionate about building great products, especially in early-stage companies, and have a track record of leading high-performing teams. This is an excellent opportunity for someone who thrives in a remote-first environment and wants to be part of shaping the future of e-commerce marketing.

Senior Fullstack Engineer position at Postscript, building e-commerce SMS marketing solutions using React, Python, and Go, with competitive compensation and remote work flexibility.

The SMS revenue platform for e-commerce merchants

Postscript, backed by Greylock and Y Combinator, is revolutionizing e-commerce marketing through SMS. As a Senior Backend Engineer on the Flow Builder team, you'll be instrumental in developing their message orchestration platform. The role focuses on building scalable distributed systems that enable conversational messaging for e-commerce stores. You'll work with a modern tech stack including React, Go, and Python within an AWS-managed architecture.

The position offers significant technical leadership opportunities, where you'll guide architectural decisions, mentor team members, and directly impact product development. You'll be responsible for designing and implementing highly available APIs, improving system scalability, and maintaining high-performance standards. The role requires expertise in backend development, particularly with Golang and Python, plus experience with AWS services and database modeling.

Postscript offers a competitive package including a base salary range of $170,000-$200,000 plus significant equity, with no geography-based salary differences. The company maintains a strong focus on work-life balance, offering flexible remote work arrangements and comprehensive benefits. Their culture emphasizes their FEACH values (Fearlessness, Excellence, Animal, Customer First, and Humility), creating an environment where innovation and personal growth are encouraged.

This is an excellent opportunity for experienced engineers who want to make a significant impact in a fast-growing startup environment while working on challenging technical problems. The role combines technical excellence with product development, offering the chance to shape the future of e-commerce marketing through innovative SMS solutions.

Senior Backend Engineer position at Postscript, building scalable SMS marketing platform for e-commerce, offering $170K-$200K plus equity, remote work, and comprehensive benefits.

Senior Backend Engineer, Flow Builder

Postscript is redefining marketing for ecommerce companies by introducing SMS as a new channel for engagement, retention, and conversion.

Postscript is revolutionizing ecommerce marketing by introducing SMS as a powerful new channel for customer engagement, retention, and conversion. As a Senior Backend Engineer on the Flow Builder team, you'll play a crucial role in enhancing our message orchestration platform. You'll architect and build scalable, extensible systems using Go, Python, and AWS, contributing to a high-growth startup backed by top investors like Greylock and Y Combinator.

Your responsibilities include developing REST APIs, guiding the team in technical decisions, and mentoring other engineers. You'll work on migrating from a monolithic architecture and optimizing our systems for maximum throughput and efficiency. This fully remote position offers the opportunity to have a significant impact on both our customers and business.

The ideal candidate has 6-8 years of professional software development experience, expertise in Go and Python, and familiarity with AWS and database modeling (Postgres). You should be passionate about early-stage companies, have excellent communication skills, and enjoy solving challenging problems.

Join Postscript to be part of a fast-growing team, work on cutting-edge technology, and help shape the future of ecommerce marketing. You'll enjoy competitive compensation, flexible PTO, comprehensive benefits, and the chance to grow your career in a dynamic, high-impact role.

Senior Backend Engineer at Postscript: Build scalable SMS marketing platform for ecommerce using Go, Python, and AWS.

Senior Backend Engineer

Postscript is redefining marketing for ecommerce companies. By introducing SMS as an entirely new channel for ecommerce stores to engage, retain, and convert their customer base, brands are seeing huge ROI with Postscript. Backed by Greylock, Y Combinator and other top investors, Postscript is growing fast and looking for remarkable people to help build a world class organization.

As a Senior Full-Stack Engineer (Front-End Leaning) on the Conversations AI Team, you'll be at the forefront of innovation, using your expertise in both front-end and back-end technologies to push the boundaries of conversational AI. You'll focus on rapid prototyping and build intuitive, scalable interfaces that enhance our AI-driven conversational tools, driving real-time engagement with millions of users. Your work will directly impact Postscript's bottom line and our customers' success by transforming SMS into their most powerful revenue channel.

This role offers a unique opportunity to blend cutting-edge AI capabilities with modern front-end development practices, contributing to Postscript's vision of next-level customer engagement.

What You'll Do:
- Architect, build, and maintain scalable, high-performance full-stack applications, with a focus on intuitive user interfaces using React and TypeScript.
- Collaborate closely with cross-functional teams to integrate LLMs, OpenAI models, and RAG techniques into our platform, ensuring real-time, personalized SMS engagement.
- Rapidly prototype new features and user interfaces, iterating quickly to deliver customer-focused solutions.
- Contribute to backend systems using Python (Flask) and AWS to power our AI-driven tools, ensuring seamless integration with front-end components.
- Lead the design and deployment of highly available, modular systems that scale to millions of users.
- Mentor and guide other engineers, fostering a culture of learning and continuous improvement.
- Balance technical excellence with rapid development to meet the evolving needs of the product and business.

What We're Looking For:
- Strong experience in front-end development with React and TypeScript, with a passion for building modern, intuitive user interfaces.
- Expertise in full-stack development, with solid experience in Python (Flask) and building scalable backend systems.
- Fluency in CSS, with the ability to create responsive, maintainable, and visually appealing interfaces that align with modern UI/UX principles.
- Minimum 6-8 years of professional software development experience, with 1-2 years at minimum in AI solutions preferred.
- Proven track record of rapid prototyping and delivering high-quality features quickly.
- Experience with AWS architecture, relational databases, and building high-performance APIs.
- Ability to lead app projects from concept to delivery, managing ambiguity and driving results.
- Experience mentoring and leading engineering teams, with a collaborative mindset and excellent communication skills.

What We'll Love About You:
- 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 You'll Love About Us:
- Salary range of USD $170,000-$200,000 base plus significant equity (we do not have geo based salaries)
- High growth startup - plenty of room for you to directly impact the company and grow your career!
- Work from home (or wherever)
- Fun - We're passionate and enjoy what we do
- Competitive compensation and opportunity for equity
- Flexible paid time off
- Health, dental, vision insurance

You are welcome here. Postscript is an ever-evolving place of equal employment for talented individuals.

Senior Fullstack Engineer for AI-driven SMS marketing platform

Senior Fullstack Engineer, Conversations AI

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 Full-Stack Engineer (Front-End Leaning) on the Conversations AI Team, you'll be at the forefront of innovation, using your expertise in both front-end and back-end technologies to push the boundaries of conversational AI. You'll focus on rapid prototyping and build intuitive, scalable interfaces that enhance our AI-driven conversational tools, driving real-time engagement with millions of users. Your work will directly impact Postscript's bottom line and our customers' success by transforming SMS into their most powerful revenue channel.

This role offers a unique opportunity to blend cutting-edge AI capabilities with modern front-end development practices, contributing to Postscript's vision of next-level customer engagement.

What You'll Do:
• Architect, build, and maintain scalable, high-performance full-stack applications, with a focus on intuitive user interfaces using React and TypeScript.
• Collaborate closely with cross-functional teams to integrate LLMs, OpenAI models, and RAG techniques into our platform, ensuring real-time, personalized SMS engagement.
• Rapidly prototype new features and user interfaces, iterating quickly to deliver customer-focused solutions.
• Contribute to backend systems using Python (Flask) and AWS to power our AI-driven tools, ensuring seamless integration with front-end components.
• Lead the design and deployment of highly available, modular systems that scale to millions of users.
• Mentor and guide other engineers, fostering a culture of learning and continuous improvement.
• Balance technical excellence with rapid development to meet the evolving needs of the product and business.

What We're Looking For:
• Strong experience in front-end development with React and TypeScript, with a passion for building modern, intuitive user interfaces.
• Expertise in full-stack development, with solid experience in Python (Flask) and building scalable backend systems.
• Fluency in CSS, with the ability to create responsive, maintainable, and visually appealing interfaces that align with modern UI/UX principles.
• Minimum 6-8 years of professional software development experience, with 1-2 years at minimum in AI solutions preferred.
• Proven track record of rapid prototyping and delivering high-quality features quickly.
• Experience with AWS architecture, relational databases, and building high-performance APIs.
• Ability to lead app projects from concept to delivery, managing ambiguity and driving results.
• Experience mentoring and leading engineering teams, with a collaborative mindset and excellent communication skills.

What We'll Love About You:
• 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

Senior Fullstack Engineer for AI-driven SMS marketing platform, focusing on React, TypeScript, and Python development.

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.

What You'll Do:
- 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.

What We're Looking For:
- 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.

What We'll Love About You:
- 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

Senior Backend Engineer for Conversations AI at Postscript, leveraging OpenAI, LLMs, and RAG to revolutionize SMS marketing for ecommerce.

Senior Backend Engineer, Conversations AI

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.

What You'll Do:
- 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.

What We're Looking For:
- 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.

What We'll Love About You:
- 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 You'll Love About Us:
- High growth startup - plenty of room for you to directly impact the company and grow your career!
- Work from home (or wherever)
- Fun - We're passionate and enjoy what we do
- Competitive compensation and opportunity for equity
- Flexible paid time off
- Health, dental, vision insurance

Senior Backend Engineer role at Postscript, focusing on AI-driven SMS marketing solutions using OpenAI, LLMs, and RAG technologies.

Postscript is revolutionizing ecommerce marketing by introducing SMS as a powerful new channel for customer engagement, retention, and conversion. As a Senior Fullstack Engineer on the Flow Builder team, you'll be at the forefront of developing Postscript's message orchestration platform. This role offers the opportunity to work on a rapidly growing product, tackling exciting challenges in building scalable and extensible solutions.

You'll use your expertise in React and Python (Flask) to enhance the platform experience, empowering customers to run their entire SMS business through Postscript. As a technical leader, you'll set the standard for system maintainability and performance. The role offers autonomy for personal growth and direct impact on customer experiences.

Key responsibilities include:
- Designing and developing scalable, secure, and user-friendly products
- Leading projects and delivering end-to-end solutions
- Working in a fast-paced environment with high-throughput, low-latency applications
- Mentoring fellow engineers through code reviews, design reviews, and peer feedback

The ideal candidate will have:
- 6-8 years of professional software development experience
- Experience with AWS (preferred)
- Strong communication skills and a team-oriented mindset
- Willingness to learn new technologies and adapt to changing needs

Postscript offers competitive compensation, including a salary range of $170,000 to $200,000 plus significant equity, regardless of location. Additional benefits include flexible work-from-home options, health/dental/vision insurance, and a commitment to fostering a diverse and inclusive workplace.

Join Postscript to be part of a high-growth startup where your work will have a direct and meaningful impact on the company's success and your own career growth.

Senior Fullstack Engineer role at Postscript, developing scalable SMS marketing platform for ecommerce. React, Python, AWS. Remote. $170k-$200k + equity.

Postscript Senior Software Engineer Software Engineering Jobs

Find Postscript Senior Software Engineer software engineering jobs