Staff Software Developer jobs at Unity in United States, San Francisco

• Guide the architecture and low level design of distributed systems to ensure scalability, reliability, and efficiency
• Own and operate infrastructure services with the engineering teams, including on call responsibilities and deep debugging of complex issues
• Drive operational excellence through improved observability, resiliency, and automation
• Mentor engineers and raise the technical bar through design reviews, code reviews, and engineering best practices
• Advise leadership on platform direction, long term investment, and adoption of emerging infrastructure technologies

• 7 or more years of experience building and operating large scale distributed systems in production
• Programming experience for backend service and infrastructure development
• Hands on experience with Kubernetes and cloud native systems in GCP, AWS, or Azure
• Expertise in distributed infrastructure including traffic management, load balancing, networking, and large scale data processing.
• Deep understanding of networking, observability, and debugging distributed systems end to end

• Deep expertise in distributed caching or storage systems used to support large scale, low latency workloads
• Expertise in protocols, routing, and service discovery in large scale environments
• Domain knowledge of online advertising and adtech systems is a plus

• 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.

As part of the team, you will work on distributed systems that handle real-time ad requests, impression tracking, and user data analytics with strict requirements for uptime and security. You'll play a critical role in optimizing performance, maintaining service availability, and supporting the development of new monetization features for game developers worldwide. Security, data privacy, and a positive user experience are central to everything we build.

• Design, build, and modernise 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 current backend systems, modernising the legacy stack
• 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.
• Work visa/immigration sponsorship is not available for this position

We offer a wide range of benefits designed to support employees' well-being and work-life balance. You can read more about them on our .

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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 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.

You will be responsible for driving ad unit innovation — from dynamic rendering and interactive endcards to new ad flows that elevate user experience and improve monetization outcomes.

This role combines hands-on technical design with strategic leadership. You’ll work across Android, iOS, WebView, and backend services to build, experiment, and scale ad formats that reach billions of devices globally.

• Lead the design and implementation of innovative ad unit formats and flows — including dynamic rendering, interactive components, and seamless inline ad experiences.
• Prototype and experiment rapidly, collaborating with PMs, BIs, and Data Science to validate hypotheses and measure impact through A/B testing.
• Architect and deliver full-stack solutions, connecting SDK surfaces with backend ad delivery and configuration services.
• Drive the ad format innovation roadmap — identify opportunities, define technical direction, and quantify business impact.
• Mentor engineers across Android, iOS, and WebView platforms, promoting engineering best practices and experimentation culture.
• Collaborate with backend and Gateway teams to enhance ad rendering pipelines, caching strategies, and lifecycle performance.
• Own feature metrics such as load rate, show rate, CTR, and revenue lift, ensuring performance scales post-rollout.
• Contribute to the Bold SDK architecture, helping establish a modular and extensible foundation for future ad format innovations.

• 8+ years of software engineering experience, with a focus on mobile SDKs, rendering frameworks, or ad delivery systems.
• Expertise in front-end technologies: JavaScript/TypeScript, HTML/CSS, and hybrid rendering using WebView.
• Full-stack proficiency — ability to design APIs and data flows that connect mobile clients to backend services.
• Demonstrated success in leading experimentation-driven development, including feature flagging, rollout, and monitoring.
• Strong understanding of mobile ad lifecycle, caching, rendering, and performance optimization.
• Proven ability to influence cross-functional partners and align engineering, product, and data science teams around shared goals.
• Excellent communication and technical leadership skills, capable of driving both architectural vision and hands-on delivery.

• Background in ad tech (VAST, MRAID, SKOverlay, SKAdNetwork, IAP, attribution).
• Experience with SDK, Gateway, or other large-scale delivery ecosystems.
• Familiarity with dynamic UI rendering frameworks or runtime layout generation.
• Experience working with experimentation platforms, telemetry pipelines, or BI data tooling.

• 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.

In this role, you’ll lead initiatives to improve the advertiser experience and define the vision, strategy, and execution of ML-powered User Acquisition products — from campaign management dashboards to optimization features such as bidding and budget management. Working closely with scientists and engineers, you’ll translate complex machine learning models into practical solutions that boost campaign performance and drive advertiser growth.

• Transform business requirements into actionable ML solutions, ensuring alignment with measurable objectives and user needs.
• Build and maintain product roadmaps for User Acquisition initiatives, prioritizing features and improvements that deliver the greatest value.
• Collaborate with the Vector team and multi-functional groups to implement and refine ML models, ensuring seamless user integration and technical robustness.
• Lead innovation by conceptualizing, defining, and launching new ML features while staying informed on the latest industry advancements.
• Analyze and track important metrics to evaluate product performance and guide iterative improvement.

• 6+ years of product management experience, including 3+ years leading technical or ML-driven products.
• Strong experience working in mobile advertising, particularly in User Acquisition.
• Data analysis or intelligence background, or strong experience partnering with BI/ML teams.
• Experience shaping product strategy and aligning teams around business and user priorities.
• Ability to leverage data-driven decision-making, including cohort analysis, to assess machine learning product and algorithm performance.
• Skilled in critical thinking and problem-solving with a focus on delivering user-first solutions.

• Background in gaming-focused advertising.
• A passion for working with teammates to champion bold ideas and deliver impactful results that resonate with users.

• 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.

• 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.