Software Engineer II, Segment Optimization

United States Digital Space LLC; United States; On-site; USD 135,000 - 170,000; Full time

Job summary

United States Digital Space LLC is seeking a Software Engineer II to build and improve distributed data applications for our audience segmentation platform. You will own features end-to-end, collaborate with engineers, product, and design, and deepen expertise in distributed systems and real-time data processing.

You will work with Java, Python, or Go, and contribute to scalable data pipelines that personalize experiences for clients and their customers.

Qualifications

• 2–4 years of experience as a Software Engineer with a foundation in backend services and distributed systems
• Experience developing with Java, Python, or Go and strong OO design, algorithms and optimization
• Familiarity with relational and non-relational databases and data modeling for performance and reliability
• Knowledge of clean code, data structures, algorithms, and software design best practices
• Ownership mindset and focus on end-to-end impact, reliability, and customer value
• Clear communication and collaboration with technical and non-technical teammates
• Ability to handle ambiguity and translate business goals into deliverables

Responsibilities

• Build and improve distributed data applications powering the segmentation platform
• Own well-scoped features end to end across data applications from design to deployment and operation
• Partner with engineering, product, and design to deliver high-quality software
• Understand service boundaries and data flows to assess impact on clients and users
• Contribute to team and engineering-wide improvements in process, infrastructure, and systems
• Leverage AI tools to accelerate work while evaluating architecture and tradeoffs

Skills

Java

Python

Go

Distributed systems

Databases

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 in Deloitte’s Fast 500(four years running!), LinkedIn’s Top Startups, Forbes’ Cloud 100 (five years running!), Inc.’s Best Workplaces, and the Human Rights Campaign Foundation's Corporate Equality Index!

About the Role

Our Segment Optimization team is the backbone of the company’s audience-segmentation infrastructure, processing, storing, and optimizing data at massive scale and speed. We handle billions of events from over 100 million customers daily, enabling near-real-time audience insights and AI-driven personalization through our Data, Optimization, and ML Platforms. Joining our team offers a high-growth opportunity to work on high-impact systems alongside talented engineers.

As a Software Engineer II, you will build and improve distributed data applications that power our segmentation platform and deliver personalized experiences for our clients and their customers. You will own well-scoped features end to end, develop a strong understanding of the services you support, and partner with senior engineers and cross-functional teammates to make sound design and implementation decisions. This role is an opportunity to deepen your expertise in distributed systems, data pipelines, and real-time processing.

This team is building the segmentation platform that empowers our clients to curate audience segments, which the company uses across the platform to personalize content. By delivering more relevant and engaging messages, this drives higher performance for our clients and better experiences for their customers.

What You’ll Accomplish

• Build and improve systems that power audience segmentation for more than 100 million customers, directly enabling personalized experiences across the company’s platform

• Own well-scoped features end to end across distributed data applications, from design and implementation through testing, deployment, and operation

• Partner with engineering, product, and design teammates to deliver high-quality, impactful software

• Develop a deep understanding of the services you own, how data flows through the platform, and how your work affects clients and customers

• Contribute to team and engineering-wide improvements, including process, infrastructure, and system enhancements

• Use AI tools to move quickly while focusing on system behavior, architecture, and thoughtful design tradeoffs

Your Expertise

• 2–4 years of experience as a Software Engineer, with a foundation in building backend services and a desire to deepen your skills in distributed systems

• You have experience developing with Java, Python, or Go and a strong understanding of object-oriented design, algorithms, and optimization

• You are familiar with relational and non-relational databases and understand how data modeling and access patterns affect system performance and reliability

• You understand what clean, correct code looks like and follow established best practices, with a strong foundation in data structures, algorithms, and software design

• You take ownership beyond the task and care about the end-to-end impact of your work, from operating it reliably to delivering value for customers

• You communicate clearly and work effectively with technical and non-technical teammates

• You are comfortable working through ambiguity and can use business goals and team guidance to turn it into clear deliverables

For US based applicants:

• The US base salary range for this full-time position is $135,000 - $170,000 annually+ equity + benefits

• Our salary ranges are determined by role, level and location

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

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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.