Senior Backend Software Engineer, Authorization jobs in United States
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ByteDance · 3 weeks ago

Senior Backend Software Engineer, Authorization

positionSan Jose, CA
timeFull-time
remoteOnsite
seniorityMid, Senior Level
money$187K/yr - $360K/yr
date4+ years exp

ByteDance is a company founded in 2012 with a mission to inspire creativity and enrich life. They are seeking a Senior Backend Software Engineer to lead the design and maintenance of critical backend services for their authorization systems, focusing on performance optimization, security best practices, and collaboration with cross-functional teams.

ContentData MiningFoundational AIInternetSocial Media
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

Lead the design, implementation, and long-term maintenance of critical backend services or our authorization systems, making sound architectural decisions that balance scalability, reliability, and security
Drive performance optimization efforts across the stack, proactively identifying bottlenecks and implementing solutions to support high throughput, low latency, and predictable system behavior under load
Champion security best practices by design, including least-privilege principles, defense-in-depth strategies, and secure coding standards, ensuring our authorization services meet high security and compliance requirements
Set a high bar for code quality through thoughtful design, thorough reviews, and comprehensive automated testing, improving the maintainability, reliability, and robustness of the codebase
Lead complex debugging and incident resolution efforts, develop tools and processes to improve observability, and contribute to the overall reliability and availability of our systems
Collaborate closely with engineers, security specialists, product partners, and stakeholders to translate requirements into technical solutions, mentor junior engineers, and influence the team’s technical direction and best practices

Qualification

Backend programming languagesDesigning backend systemsPerformance tuningBackend security principlesAutomated testingCode reviewsMicroservices architectureCollaborationMentoring

Required

Bachelor's degree in Computer Science or a related field, or equivalent practical experience, with 4+ years of experience building, operating, and scaling production backend systems
Proficiency in one or more backend programming languages such as Go, Java, Python, C++ or similar
Proven experience writing comprehensive automated tests, performing effective code reviews, and debugging complex production issues to ensure high standards of code quality and reliability

Preferred

Solid experience designing backend systems, including RESTful APIs, microservices or service-oriented architectures, and data models using SQL and NoSQL databases
Demonstrated experience building and optimizing high-throughput, high-availability systems, with a strong understanding of performance tuning and scalability trade-offs
Practical knowledge of backend security principles and best practices, including authentication, authorization, least-privilege access, and secure service-to-service
Experience leading design discussions, mentoring engineers, and raising the technical bar through code reviews and engineering best practices
Strong ability to collaborate cross-functionally with product, infrastructure, and security teams to deliver end-to-end backend solutions

Benefits

Medical, dental, and vision insurance
401(k) savings plan with company match
Paid parental leave
Short-term and long-term disability coverage
Life insurance
Wellbeing benefits
10 paid holidays per year
10 paid sick days per year
17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

Company

ByteDance

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ByteDance is a technology company that develops content creation platforms and services.
dateFounded in 2012
location
Beijing, Beijing, CHN
people-size10001+ employees
web-link
http://bytedance.com

H1B Sponsorship

ByteDance has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1350)
2024 (1123)
2023 (775)
2022 (487)
2021 (417)
2020 (245)

Funding

Current Stage
Late Stage
Total Funding
$9.8B
Key Investors
Capital TodayG42Tiger Global Management
2025-11-20Secondary Market· $300M
2024-07-25Secondary Market
2023-03-14Secondary Market· $100M

Leadership Team

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Jochen Bischoff
Head of Global Business Solutions - Africa
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Matty Lin
General Manager, Global Business Solutions, KR
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Recent News

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2026-01-12
Company data provided by crunchbase