Senior Software Engineer, Intelligent Messaging, AI Journeys

United States Digital Space LLC; San Francisco (CA); On-site; USD 190,000 - 230,000; Full time

Benefits offered by this job

Equity

Health benefits

Global remote-friendly team

Job summary

the company in San Francisco is seeking an experienced backend engineer to build scalable, high-performance systems that power multi-channel marketing platforms. You will design, develop, and operate core services used by thousands of customers, collaborating with cross-functional teams across product, data, and infrastructure.

Applicants should have strong backend fundamentals, experience with Java/Python/Go, and a track record of shipping reliable, tested software in a fast-paced environment.

Qualifications

• 5+ years of professional experience in software development focusing on backend systems.
• Proficiency in Java, Python, or Go, with a strong understanding of object-oriented programming.
• Experience building and maintaining scalable, high-performance applications.
• Proven ability to collaborate effectively with cross-functional teams.
• Solid understanding of software development best practices, including code reviews, writing tests, and continuous integration.

Responsibilities

• Develop and maintain scalable backend systems for our customer-facing products, ensuring high performance and reliability.
• Collaborate with cross-functional teams to build applications that support multi-channel communications for marketers.
• Implement and optimize systems that process and deliver billions of messages daily.
• Improve code quality through code reviews, testing, and advocating for best practices.
• Identify and address technical debt to ensure the long‑term health of our codebase.
• Drive architectural design and technical decisions, and stay current with emerging technologies to enhance our products.

Skills

Backend systems

5+ years experience

Java/Python/Go

Cross-functional collaboration

Testing & CI/CD

Tools

Kubernetes

Docker

AWS

DynamoDB

Postgres

Redis

Kafka

React/TypeScript

GraphQL

Job description

the company® is the AI marketing platform for 1:1 personalization redefining the way brands and people connect. We’re the only marketing platform that combines powerful technology with human expertise to build authentic customer relationships. By unifying SMS, RCS, email, and push notifications, our AI-powered personalization engine delivers bespoke experiences that drive performance, revenue, and loyalty through real-time behavioral insights.

Recognized as the#1provider in SMS Marketing by G2, the company partners with more than 8,000 customers across 70+ industries. Leading global brands like Crate and Barrel, Urban Outfitters, and Carter’s work with us to enable billions of interactions that power tens of billions in revenue for our customers.

With a distributed global workforce and employee hubs in New York City, San Francisco, London, and Sydney, the company’s team has been consistently recognized for its performance and culture. We’re proud to be included inDeloitte’s Fast 500(four years running!),LinkedIn’s Top Startups,Forbes’ Cloud 100 (five years running!),Inc.’s Best Workplaces, and theHuman Rights Campaign Foundation's Corporate Equality Index!

About the Role

Our Engineering team creates innovative product experiences that power personalized marketing at massive scale. We develop cutting-edge applications and systems that process 100s of billions of messages and events per year, enabling marketers to connect effectively with hundreds of millions of consumers. Joining our team offers a high-growth career opportunity to work with some of the world’s most talented engineers in a high-performance and high-impact culture.

What You’ll Accomplish

• Develop and maintain scalable backend systems for our customer-facing products, ensuring high performance and reliability.
• Collaborate with cross-functional teams to build applications that support multi-channel communications for marketers.
• Implement and optimize systems that process and deliver billions of messages daily.
• Improve code quality through code reviews, testing, and advocating for best practices.
• Identify and address technical debt to ensure the long‑term health of our codebase.
• Drive architectural design and technical decisions, and stay current with emerging technologies to enhance our products.

Your Expertise

• 5+ years of professional experience in software development focusing on backend systems.
• Proficiency in Java, Python, or Go, with a strong understanding of object-oriented programming.
• Experience building and maintaining scalable, high-performance applications.
• Proven ability to collaborate effectively with cross-functional teams.
• Solid understanding of software development best practices, including code reviews, writing tests, and continuous integration.

Nice to Haves

• Experience with service-oriented architecture and distributed systems.
• Familiarity with AWS services and cloud infrastructure.
• Knowledge of databases such as DynamoDB, Postgres, or Redis.
• Experience with messaging systems or streaming platforms (e.g., Kafka, Pulsar).
• Familiarity with frontend development with React and TypeScript.
• Experience with DevOps practices and tools such as Docker and Kubernetes.

What We Use

• Our infrastructure runs primarily in Kubernetes hosted in AWS’s EKS.
• Infrastructure tooling includes Istio, Datadog,Terraform, CloudFlare, and Helm.
• Our backend is Java / Spring Boot microservices, built with Gradle, coupled with things like DynamoDB, Kinesis, AirFlow, Postgres, Planetscale, and Redis, hosted via AWS.
• Our frontend is built with React and TypeScript, and uses best practices like GraphQL, Storybook, Radix UI, Vite, esbuild, and PlaywrightOur automation is driven by custom and open source machine learning models, lots of data and built with Python, Metaflow, HuggingFace, PyTorch, TensorFlow, and Pandas.

You’ll get competitiveperks and benefits, from health & wellness to equity, to help you bring your best self to work.

For US based applicants:

• The US base salary range for this full-time position is $190,000 - $230,000 annually+ equity + benefits
• Our salary ranges are determined by role, level and location

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If you do not meet all the requirements listed here, we still encourage you to apply! No job description is perfect, and we may also have another opportunity that closely matches your skills and experience.

At the company, we know that our Company's strength lies in the diversity of our employees.

the company is an Equal Opportunity Employer and we welcome applicants from all backgrounds.

Our policy is to provide equal employment opportunities for all employees, applicants and covered individuals regardless of protected characteristics.

We prioritize and maintain a fair, inclusive and equitable workplace free from discrimination, harassment, and retaliation.

the company is also committed to providing reasonable accommodations for candidates with disabilities.

If you need any assistance or reasonable accommodations, please let your recruiter know.

Learn more about AWAKE, the company’s collective of employee resource groups.