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Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch.

With a mission to make SMS your number one revenue driving channel, we built the best-in-class SMS marketing platform and launched revenue-driving AI features not available on any other platform. And we're just getting started.

Backed by Greylock and Y Combinator, fully remote since 2018.

We are looking for a polyglot Senior Fullstack Engineer to join the Customer Context team. You’ll help build and scale the foundational services, APIs, and pipelines that power the Postscript product. This role blends strong backend engineering skills with a deep appreciation for data intensive systems, performance, and reliability. You’ll collaborate closely with other software engineers, data engineers, and product to help e-commerce marketers maximize their revenue with best-in-class targeting and context-driven AI.

This is a high-autonomy role for engineers who are energized by ambiguity, take genuine ownership of their work, and bring a strong point of view on how to build things well, without sacrificing speed or pragmatism. AI isn't a nice-to-have here — it's central to how we work. We expect our engineers to be active practitioners of AI-first development: fluent with the latest agentic coding tools, curious about what's emerging, and constantly pushing the boundary of what's possible with AI in their day-to-day craft. If you're the kind of engineer who's already experimenting with new models and tooling before anyone asks you to, you'll feel at home here.

As a senior engineer at Postscript, you’ll no longer be only writing code but orchestrating it.

This position is fully remote and can be based in the US or Canada.

What You'll Do

Take deep ownership of systems and product areas on your team, and become the go-to technical expert for what you own
Independently investigate, design, and execute solutions across distributed systems with a high degree of ambiguity
Architect, build, and maintain highly available, scalable REST APIs and backend services for internal and external use
Drive system decoupling, modularization, and technical debt reduction.. Improve long-term maintainability without blocking near-term delivery
Build agentically as your default: leveraging concurrent autonomous agent workflows, owning the output, and keeping a steady queue of aligned work moving
Stay at the forefront of emerging AI tooling and practices, bringing new techniques back to the team and helping raise the floor for how Postscript engineers work
Contribute to how we think about integrating AI into our systems and workflows. That means not just using AI tools, but helping shape where and how AI creates leverage across the engineering org
Collaborate cross-functionally with product, data, and go-to-market teams by communicating clearly and proactively in an async-first environment
Identify and eliminate single points of failure, improving system resilience and knowledge redundancy across your team
Improve how engineering gets done: bring better tools, fix workflow friction, build internal utilities when the leverage compounds

What We're Looking For

6+ years of experience building large-scale data-intensive backend systems and APIs
You are an active, daily user of AI coding tools and are using them to maximize your output — Claude Code, Codex, Cursor, Copilot, or equivalent — and can speak concretely to how they've changed your output and your workflow
Some or all of these languages: Python, Go, Rust, React, and TypeScript
You follow the AI tooling landscape closely: new model releases, emerging agentic workflows, and evolving best practices aren't things you catch up on eventually.
You think critically about AI output and you know where it accelerates you, where it introduces risk, and how to verify what it produces
You are able to context switch quickly across concurrent workstreams
Experience working on both 0-to-1 initiatives and complex existing systems, and knowing how to balance building new things with improving what's there
You have working knowledge of event-driven distributed systems, Kafka, and familiarity with distributed data processing technologies (Flink/Spark/etc)
Experience growing systems under production customer load, ideally from early days to the multi-terabyte stage
Experience building and designing high-scale systems AWS with a broad variety of database technologies (RDBMS, OLAP, NoSQL, etc.)
You know how to intelligently model relational data and design index strategies. You write performant SQL for transactional and analytical workloads
Experience with infrastructure as code (eg, Terraform). You are comfortable evaluating and applying your infra changes.
Familiarity building and observing applications on AWS & Kubernetes, ideally with Datadog, Signoz, or comparable observability tooling
Clear, direct communication. Cross-functional partners and async teams can count on you to surface information proactively
Strong instincts for technical tradeoffs informed by both engineering best practices and business priorities

What You'll Love About Us

Salary range of USD $175,000–$205,000 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 in US / Canada)
Fun — we're passionate and enjoy what we do
Competitive compensation and opportunity for equity
Flexible paid time off
Health, dental, vision insurance

For information about how we use your personal data, please see our U.S. Job Applicant Privacy Notice

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

1f:T1107,

Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch.

Backed by Greylock and Y Combinator, fully remote since 2018.

As a Client Strategist, you will be working with our biggest brands and be responsible for the end to end SMS strategy for a rotating group of customers. You will work closely with our Marketing, Product and Customer Success teams to learn best practices and use your marketing skills to drive consistent SMS revenue for select customers. You will write best in class copy on behalf of our customers to make brands stand out, and help brainstorm revenue-generating and best-in-class strategies directly with merchants to help them make SMS their #1-revenue-driving channel.

This is a fully remote position.

Primary duties

Excellent content - Create compelling, innovative content for your customers in the form of SMS campaigns, automations and call to actions. Be consistent with their brand voice and vision while continually helping them improve their SMS programs.
Excellent advisory relationships - Develop excellent advisory relationships with customers. Execute on best practices, strategize on new marketing strategies, and develop and run innovative, creative SMS marketing campaigns.
Customer growth - Actively track, analyze and iterate on customers’ results. Ensure they scale quickly and effectively on the Postscript platform.
Marketing best practices - Establish marketing best practices to ensure brands are on the leading front of SMS Marketing. Continually expand your expert-level knowledge of your customer’s marketing, technology and general business needs.
Industry and product expertise - continually maintain expert-level knowledge in our product, services, and of the ecommerce marketing domain. Be a go-to consultant for both internal and external stakeholders.

What We’ll Love About You

3+ years proven experience in the direct-to-consumer space with strong knowledge of SMS, copywriting and best practices. Hands on experience with A/B testing and persuasive copywriting
Demonstrated experience in e-commerce and e-commerce marketing
Passion for helping customers understand and execute ecommerce SMS strategy
Experience in a customer-facing role managing operator relationships and liaising with decision-makers and senior stakeholders when required
Skilled in streamlining workflows and managing complex processes
Proven ability to multitask in a fast-paced environment, ensuring all deadlines are met
Strong analytical skills, with a data-driven, metrics-oriented mindset
Exceptional communicator, both verbal and written

What You’ll Love About Us

Salary range of USD $69,000-$83,000 base plus variable compensation & 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

For information about how we use your personal data, please see our U.S. Job Applicant Privacy Notice

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

20:T1b31,

Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch.

Backed by Greylock and Y Combinator, fully remote since 2018.

We're hiring a Senior Customer Onboarding Manager to own onboarding for Postscript's largest and most complex customers, guiding them through list growth, campaigns, and automations to hit strong ROI with email in their first 60-90 days. Your efforts will directly benefit our customers and contribute to our ambitious growth plans.

This is a senior, hands-on IC role. Given our upcoming email product launch, we need someone with real email marketing chops (Klaviyo, Braze, Iterable, or similar) alongside strong ecommerce/martech onboarding experience — ideally 5+ years in enterprise-level customer-facing work, not scale/SMB-only.

All positions at Postscript are fully remote.

Primary duties

Run one-on-one, best in class onboarding sessions with your assigned customers, including coaching customers through list growth, automations, campaigns and more
Act as an escalation point
Consistently meet and exceed onboarding health targets
Become a critical voice on the team in iterating on our customer journey. Actively contribute to deep collaboration among sales and product teams in order to create the most seamless onboarding experience
Develop and maintain deep expertise in our product, services, and of the marketing technology domain, including industry trends, compliance/regulatory considerations and trendsetters
Guide customers through multi-channel marketing strategy, helping them understand how to coordinate messaging across channels to maximize reach, engagement, and revenue
Develop onboarding frameworks and best practices that account for the full breadth of a customer's marketing stack, ensuring Postscript is deeply integrated into their broader retention and lifecycle programs

What We'll Love About You

5+ Years in a customer-facing role. Experience in SaaS, software or closely related tech preferred
Direct experience supporting implementation or onboarding for an email product is required
Ecommerce or martech experience required
Experience project managing multiple priorities with Enterprise-level customers
Demonstrated experience coaching and mentoring
Demonstrated problem solving abilities, including with technical issues
Strong process-orientation and ability to drive a consistent and repeatable experience
Experience in a high-growth, early stage environment preferred
Experience working with or onboarding customers across multiple owned marketing channels (e.g. SMS, push, direct mail, or similar); comfort speaking to cross-channel strategy and how channels complement one another is a strong plus
Familiarity with lifecycle and retention marketing concepts — including list segmentation, campaign sequencing, and automation design — across more than one channel

What You'll Love About Us

Salary range of USD $97,000-$117,000 base plus quarterly variable compensation & 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

For information about how we use your personal data, please see our U.S. Job Applicant Privacy Notice

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

21:T1529,

Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch.

Backed by Greylock and Y Combinator, fully remote since 2018.

Job Description

As a Senior Enterprise Customer Success Manager at Postscript, you will drive success for our largest, high-growth customers by ensuring they achieve maximum value from our platform. Acting as a trusted advisor, you’ll immerse yourself in their businesses, deeply understand their goals, and provide strategic guidance to fuel their growth. This role is ideal for someone passionate about building relationships, shaping creative marketing strategies, and delivering exceptional customer experiences.

You’ll collaborate cross-functionally with internal teams, including Sales, Product, and Support, to share customer insights and help improve Postscript’s offerings. By enabling our customers to succeed, you’ll play a direct role in driving company growth and innovation.

This is a fully remote position and can be based in the US or Canada.

Key Responsibilities

Customer Success & Relationship Management

Cultivate strong, trusted relationships with your assigned portfolio of enterprise customers.
Drive adoption of new and existing Postscript product features, ensuring customers realize value from ongoing product innovation.
Act as a strategic advisor, ensuring customers achieve their goals and realize measurable ROI.
Develop tailored strategies to ensure customer growth and retention, meeting performance targets.

Marketing Strategy & Consultation

Lead impactful strategy sessions to share best practices, identify opportunities, and implement innovative SMS marketing strategies.
Provide creative and data-driven recommendations to maximize customer engagement and growth.

Cross-Functional Collaboration

Partner with the broader account team to identify and execute upsell and renewal opportunities.
Collaborate with Product and Support teams to address technical issues and deliver seamless solutions.

Operational & Industry Expertise

Leverage AI tools and internal systems to streamline workflows, increase efficiency, and enhance the quality and consistency of customer interactions.
Stay ahead of emerging e-commerce and marketing trends, and proactively share insights with customers and the Postscript team.
Maintain expert-level knowledge of Postscript’s product and the broader e-commerce landscape.

What We’ll Love About You

4+ years of customer success or account management experience in SaaS, marketing, or e-commerce technology.
1+ years of sales experience (e.g., Account Management) preferred.
Strong technical aptitude and ability to navigate complex tools or workflows, including working with or quickly adopting AI-powered tools to drive productivity and customer outcomes.
Proven understanding of e-commerce businesses, marketing strategies, and industry trends (e-commerce experience strongly preferred).
Driven by curiosity and passion for empowering customers to succeed, with a knack for tackling challenges and simplifying complex problems.
Excellent problem-solving skills, with high reliability and outstanding follow-through.
Proactive, autonomous, and adaptable. Comfortable working in a fast-paced, early-stage environment with a growth mindset towards emerging technologies.
Outstanding written and verbal communication skills, with a talent for building strong rapport and uncovering insights through thoughtful discovery questions.
Open to feedback and eager to continuously learn and improve.

What You’ll Love About Us

Salary range of USD $100,000 to $117,000 base plus variable compensation (20%) and equity regardless of location.
High-growth startup environment with opportunities to make a meaningful impact and grow your career.
Fully remote work culture – work from anywhere.
Fun, collaborative team passionate about e-commerce and innovation
Flexible paid time off to recharge and prioritize your well-being.
Comprehensive health, dental, vision insurance.

For information about how we use your personal data, please see our U.S. Job Applicant Privacy Notice

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

22:T17c8,

Postscript is the AI messaging platform trusted by 20,000+ Shopify brands — including Brooklinen, Ruggable, True Classic, and Dr. Squatch.

Backed by Greylock and Y Combinator, fully remote since 2018.

As a Senior Software Engineer at Postscript, you'll be a high-ownership contributor to one of our core product or platform teams — owning meaningful systems end-to-end, driving technical quality, and helping shape how we build across the organization. Our engineering teams operate at the intersection of scale and product velocity, which means you'll be working on distributed systems that matter to the business while also influencing the technical standards that allow Postscript to grow sustainably.

This is a high-autonomy role for engineers who are energized by ambiguity, take genuine ownership of their work, and bring a strong point of view on how to build things well — without sacrificing speed or pragmatism. AI isn't a nice-to-have here — it's central to how we work. We expect our engineers to be active practitioners of AI-first development: fluent with the latest agentic coding tools, curious about what's emerging, and constantly pushing the boundary of what's possible with AI in their day-to-day craft. If you're the kind of engineer who's already experimenting with new models and tooling before anyone asks you to, you'll feel at home here.

As a senior engineer at Postscript, you’ll no longer be only writing code but orchestrating it.

This position is fully remote and can be based in the US or Canada.

Primary Duties

Take deep ownership of systems and product areas on your team — becoming the go-to technical expert for what you own
Independently investigate, design, and execute solutions across distributed systems with a high degree of ambiguity
Architect, build, and maintain highly available, scalable REST APIs and backend services for internal and external use
Drive system decoupling, modularization, and technical debt reduction — improving long-term maintainability without blocking near-term delivery
Build agentically as your default: leveraging concurrent autonomous agent workflows, owning the output, and keeping a steady queue of aligned work moving
Stay at the forefront of emerging AI tooling and practices, bringing new techniques back to the team and helping raise the floor for how Postscript engineers work
Contribute to how we think about integrating AI into our systems and workflows — not just using AI tools, but helping shape where and how AI creates leverage across the engineering org
Collaborate cross-functionally with product, data, and go-to-market teams — communicating clearly and proactively in an async-first environment
Identify and eliminate single points of failure, improving system resilience and knowledge redundancy across your team
Improve how engineering gets done: bring better tools, fix workflow friction, build internal utilities when the leverage compounds

What We'll Love About You

6+ years of experience building large-scale backend systems and APIs
You are an active, daily user of AI coding tools and are using them to maximize your output — Claude Code, Cursor, Copilot, or equivalent — and can speak concretely to how they've changed your output and your workflow
Tech stack: Python, Go, React, and TypeScript; experience with Kubernetes, AWS, Datadog, and relational/NoSQL databases. You run agentic workflows autonomously and concurrently.
You follow the AI tooling landscape closely: new model releases, emerging agentic workflows, and evolving best practices aren't things you catch up on eventually — they're things you're tracking in real time
You think critically about AI output — you know where it accelerates you, where it introduces risk, and how to verify what it produces
You are able to context switch extremely quickly across concurrent workstreams
Experience working on both 0-to-1 initiatives and complex existing systems — and knowing how to balance building new things with improving what's there
Strong command of relational and NoSQL databases, SQL, and thoughtful database modeling
Familiarity building and observing applications on AWS, and ideally with Datadog or comparable observability tooling
Clear, direct communication — cross-functional partners and async teams can count on you to surface information proactively
Strong instincts for technical tradeoffs informed by both engineering best practices and business priorities

What You'll Love About Us

Salary range of USD $175,000–$205,000 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 in US / Canada)
Fun — we're passionate and enjoy what we do
Competitive compensation and opportunity for equity
Flexible paid time off
Health, dental, vision insurance

For information about how we use your personal data, please see our U.S. Job Applicant Privacy Notice

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

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Role	Company	Location	Season	Posted
Senior Fullstack Engineer, Customer Context	Postscript	RemoteRemote	—	8 days ago
Client Strategist	Postscript	United StatesRemote	—	18 days ago
Senior Customer Onboarding Manager	Postscript	RemoteRemote	—	3 months ago
Senior Customer Success Manager	Postscript	RemoteRemote	—	6 months ago
Senior Software Engineer, Full Stack	Postscript	RemoteRemote	—	6 months ago