Sr. Software Developer jobs at Unity in United States, San Francisco

• Design, build, and maintain backend services and APIs that support ad delivery
• Work on scalable, high-availability systems used across Unity’s ads ecosystem
• Collaborate with engineers, product managers, and data teams to deliver new features
• Improve performance, observability, and cost-efficiency of backend systems
• Contribute to architectural decisions and technical direction of the platform

• Experience building backend services at scale
• Proficiency in Golang,and Google Cloud
• Familiarity with cloud infrastructure and observability tools (Kubernetes, Ray, etc.)
• Understanding of API design, distributed systems, and system reliability

• Experience in ad tech, programmatic advertising, or real-time bidding systems
• Background with infrastructure-as-code (e.g., Terraform)
• Familiarity with networking, caching, or real-time data pipelines

• Relocation support is not available for this position

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

• Own and drive the near-term execution and technical strategy for the team
• Collaborate internally with other core Unity engineering and graphics teams
• Communicate your team’s vision and progress internally and externally
• Support the members of your engineering team as they advance in their career goals

• Experience developing and managing a high-performance software engineering team
• Proven technical knowledge and experience working with AR/VR/XR platforms
• Demonstrated success in collaborating with external partners to achieve alignment on technical specifications and interdependencies
• Expertise as a software engineer, and a working familiarity with C++ and C#
• Ability to assimilate and understand a large and complex software product

• Understanding of the OpenXR standard, or a track record of working with open standards
• Familiarity with real time 3D rendering techniques and graphics APIs including Vulkan
• A passion for the future of computer games or real-time 3D experiences in a variety of settings
• Expertise leading using Agile development methodologies
• Experience leading distributed teams

• Relocation support is not available for this position.
• Work visa/immigration sponsorship is not available for this position

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

• Design, build, and evolve backend services, libraries, and frameworks that form the foundation of Unity's data platform
• Define and own APIs and developer facing tools that improve how teams ingest, process, and use data
• Lead design reviews, architectural discussions, and technical planning, ensuring the platform is reliable, extensible, and future ready
• Mentor engineers across the team, raising the bar for code quality, testing, and software craftsmanship
• Collaborate with product, ML, and data engineering teams to translate requirements into scalable platform features

• 8 or more years of software engineering experience with strong proficiency in Java and backend development
• Proven track record of designing and delivering large scale software systems or frameworks used by multiple teams
• Expertise in building and maintaining APIs, ideally with gRPC, REST, and schema technologies such as Protobuf or Avro
• Strong knowledge of distributed systems and event driven architectures
• Ability to drive cross team initiatives, align stakeholders, and make pragmatic tradeoffs that balance scale, performance, and developer experience

• Experience with streaming frameworks such as Apache Flink and Spark
• Background in building SDKs, developer platforms, or internal frameworks adopted across organizations
• Familiarity with large scale data platform challenges such as ingestion, enrichment, and schema management

• Relocation support is not available for this position
• Work visa/immigration sponsorship is not available for this position

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Efficient budget pacing across campaigns.

Automated bidding strategies that align with advertiser goals.

Continual system improvement through rigorous experimentation.

• Design, implement, and maintain high-performance auto-bidding algorithms and advertiser-facing products (e.g., Target ROAS, Target CPA).
• Ensure these systems meet or exceed campaign performance goals, advertiser expectations, and system reliability standards.
• Lead development on core initiatives such as:
• A bid-based budget pacing system that ensures daily budget delivery.
• Maximize Conversions, which leverages real-time bidding to meet key advertiser goals.
• Lowest Cost, a product that automates bidding to simplify campaign management.
• Target ROAS, which lets advertisers scale volume without sacrificing performance targets.
• Drive best practices for model quality, experimentation, system reliability, and operational excellence.
• Actively participate and work with other leads to set the long term direction for the team, plan and oversee engineering designs and project execution.
• Effectively communicate complex technical concepts to non-engineering stakeholders.

• Advanced degree (MS or Ph.D.) in Computer Science, Machine Learning, Statistics, or a related field—or equivalent practical experience.
• 5+ years of hands-on experience building and operating large-scale Ads delivery and optimization systems.
• 3+ years of experience building control systems, PID controllers, multi-armed bandits, reinforcement learning algorithms, or bid/pricing optimization systems.
• Significant experience in one or more general-purpose programming languages like Java, Python, Go, Scala, C++ or similar.
• Knowledge of metric design, experimentation methodologies, and large-scale data analysis.

• Experience designing and productionizing optimization algorithms in an ad serving platform and/or other marketplaces.
• Experience with state of the art control systems, reinforcement learning algorithms.

• Relocation support is not available for this position.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

• Design, build, and maintain backend services and APIs that support ad delivery
• Work on scalable, high-availability systems used across Unity’s ads ecosystem
• Collaborate with engineers, product managers, and data teams to deliver new features
• Improve performance, observability, and cost-efficiency of backend systems
• Contribute to architectural decisions and technical direction of the platform

• Experience building backend services at scale
• Proficiency in Golang,and relational databases (e.g., MySQL)
• Familiarity with cloud infrastructure and observability tools (Kubernetes, Ray, etc.)
• Understanding of API design, distributed systems, and system reliability
• Strong collaboration and communication skills in a remote-first team environment

• Experience in ad tech, programmatic advertising, or real-time bidding systems
• Background with infrastructure-as-code (e.g., Terraform)
• Familiarity with networking, caching, or real-time data pipelines

• Relocation support is not available for this position.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

We’re seeking a Principal Data Engineer to lead the design and delivery of data systems powering our reporting, analytics, and business intelligence capabilities. This role is critical in ensuring stakeholders—from executives to product teams—have timely, accurate, and actionable insights to make data-driven decisions at global scale. You’ll work in a Google Cloud Platform (GCP) environment and leverage technologies such as BigQuery, Apache Flink, Apache Druid, and Flair to build high-performance, real-time, and self-service analytics solutions.

• Architect and maintain scalable data pipelines that transform raw data into curated datasets optimized for reporting and BI.

• Partner with analytics, finance, product, and business operations teams to define data models that support dashboards, KPIs, and self-service analytics.

• Design and optimize real-time and historical analytics infrastructure using Apache Druid for query performance and Apache Flink for large-scale, low-latency data processing.

• Build and maintain BigQuery-based analytical environments to support enterprise-scale reporting workloads within GCP.

• Implement and integrate Flair to deliver rich, interactive dashboards and advanced reporting workflows.

• Lead best practices in data governance, quality, and cataloging to ensure consistent and trusted metrics.

• Mentor data engineers and analysts, fostering a culture of operational excellence and knowledge sharing.

• 7+ years in data engineering, analytics engineering, or BI-focused infrastructure roles.

• Strong SQL skills and experience with analytical data modeling (star/snowflake schemas, dimensional modeling).

• Deep experience with BigQuery in a GCP environment.

• Hands-on expertise with Apache Druid, Apache Flink, and Flair for real-time analytics, large-scale data processing, and visualization.

• Proficiency in Python or Scala for ETL/ELT development.

• Proven track record of enabling self-service analytics at scale.

• Experience working in large-scale SaaS, gaming, or AdTech environments.

• Knowledge of data governance frameworks and enterprise metadata management.

• Comfort translating ambiguous business requirements into technical solutions.

• Relocation support is not available for this position.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

• Design and extend gameplay-focused modules, API and, UI used by developers and designers during the design process for multiple types of games
• Improve the architecture of existing systems and design the architecture of new systems
• Code and design most of your day
• Document and test your code and related systems used by game developers every day
• Collaborate with an international development team
• Develop and maintain the Editor framework used by more than a million developers

• Proficient in C#
• Good Experience in C++

• Experience in Game industry
• Experience extending the Unity Editor
• Experience with live services such as Unity Game Services, Playfab, Firebase and others
• Experience in working with data pipelines.

• Relocation support is not available for this position
• Work visa/immigration sponsorship is not available for this position

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.