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Senior Software Engineer, Backend

Union.ai provides a unified platform, built on the open-source Flyte orchestrator, to help companies build and manage their AI and data workflows, simplifying development and reducing costs.

Union.ai

Employee count: 11-50

United States only

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We're looking for a Senior Software Engineer to join our backend team and help build the infrastructure that powers AI workloads at scale. You'll design and implement core services in Go, work across multiple cloud environments, and collaborate with customers and internal teams to deliver reliable, low-latency systems.

Requirements

  • 5+ years of experience building production backend systems, with strong proficiency in Go
  • Demonstrated experience designing and operating large-scale distributed systems (high availability, fault tolerance, horizontal scaling)
  • Deep understanding of performance optimization—you can profile code, interpret flame graphs, and reason about latency at the p99 level
  • Significant experience with multiple major cloud providers (AWS, GCP, Azure), including compute, networking, and IAM
  • Familiarity with Kubernetes, container orchestration, and cloud-native patterns
  • Strong communication skills and a collaborative approach to problem-solving

Benefits

  • Excellent medical - We pay 100% of your premiums and 90% for your dependents
  • Generous dental and vision plans- We pay 90% of the premiums for you and your dependents
  • Meaningful equity in the form of options – all employees are owners here
  • Unlimited time off + 12 company holidays
  • 401K match - Union.ai matches 100% of contributions up to the first 3%, and 50% up to 5%
  • 16 weeks paid parental leave for primary and secondary caregivers
  • Flexible work schedule (some restrictions apply)
  • For in office employees: Lunch provided onsite and well stocked kitchen with snacks and drinks

About the job

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Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

United States +/- 0 hours

About Union.ai

Learn more about Union.ai and their company culture.

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At Union.ai, we are dedicated to solving the complex challenges that data scientists and machine learning engineers face daily. We understand that our customers are striving to build and deploy innovative AI and data products, but are often hindered by fragmented tools, inefficient workflows, and the high costs of cloud computing. Many organizations struggle with the operational complexities of machine learning, from ensuring reproducibility and tracking data lineage to managing infrastructure and controlling expenses. This is why we created Union Cloud, a managed version of the open-source workflow orchestration platform, Flyte. Our platform is designed to empower teams of all sizes to deliver high-quality AI products with speed, reliability, and cost-efficiency.

Our customers need a unified platform that bridges the gap between data and machine learning, creating consistency across teams and automating complex workflows. Union.ai provides this by enabling the orchestration of intricate data and AI pipelines, ensuring that every step is reproducible and observable. We help our users eliminate runaway compute costs through real-time cost observability, warm containers, and the ability to scale to zero. We recognize that our customers rely on a diverse ecosystem of tools, which is why Union.ai is built to integrate seamlessly with the clouds, models, and frameworks they already love. By abstracting away the low-level details of production-grade AI orchestration, we free up engineers to focus on what they do best: delivering value from data and building the next generation of intelligent applications. Our ultimate goal is to make the process of taking an idea from conception to a high-quality, production-ready AI application as smooth and efficient as possible, without accumulating technical debt.

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Union.ai

Company size

11-50 employees

Founded in

2021

Chief executive officer

Ketan Umare, George Snelling

Employees live in

View company profile

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