Summer 2026
Software Engineer Intern
Simulation
Posted on 4/28/2026
DiDi Global
51-200 employees
L4 autonomous driving for robotaxi services
Compensation Overview
$46/hr
San Jose, CA, USA
In Person
Bachelor's, Master's, PhD
 Software Engineering (2) |
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- Candidates must be PhD, Master’s students, or senior undergraduate students majoring in Computer Science or a related field.
- Candidates must have strong C++ development skills with experience in performance-critical applications.
- Candidates must have a deep understanding of computer architecture.
- Candidates must have great communication skills that foster cross-team collaboration.
- Perform optimization on simulation software under the guidance of a profiler.
- Identify and resolve algorithm deficiencies that affect simulation determinism.
- Implement new simulation capabilities that fit new hardware.
- Familiarity with robotics, specifically perception and motion planning, is a plus.
- Experience with GPU/CUDA programming is a bonus.
DiDi Autonomous Driving develops Level 4 autonomous driving technology and integrates it with DiDi’s ride-hailing app to offer robotaxi services and autonomous trucking through Kargobot. It provides a full hardware-software stack, including the Orca computing platform and Beiyao Beta LiDAR, and collaborates with automakers like GAC Group and Volvo to build mass-produced autonomous vehicles. The company operates robotaxi fleets in Shanghai and Guangzhou and plans a joint-venture robotaxi model with GAC Aion for deployment in major Chinese cities by 2025. Revenue comes from robotaxi fares and logistics services, with a hybrid dispatch system that blends human-driven and self-driving vehicles under one app, aiming for large-scale commercialization.
Company Size
51-200
Company Stage
Series D
Total Funding
$1.5B
Headquarters
China
Founded
2012
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Simplify's Take
What believers are saying
- DiDi posted RMB1.0 billion 2025 profit and RMB7.9 billion adjusted profit.
- China mobility delivered record transactions in Q1 2026, with revenue rising 10%.
- R2 robotaxi deliveries started January 2026, enabling commercialization in Guangzhou and Beijing.
What critics are saying
- DiDi faces a $740 million IPO settlement, pending Manhattan approval in October 2026.
- Meituan's Brazil push, backed by $1 billion, attacks DiDi's 99Food expansion.
- PRC VIE dependence controls 91%-93% of revenue, threatening transfers, dividends, and control.
What makes DiDi Global unique
- DiDi owns China's largest ride-hailing network, with 2025 revenue RMB226.7 billion.
- DiDi integrated robotaxi R2 with GAC Aion, entering Guangzhou tests in January 2026.
- DiDi's Brazil and Mexico mobility-plus-delivery stack reuses dispatch, payments, and driver supply.
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Benefits
Flexible Work Hours
Remote Work Options
Health Insurance
401(k) Retirement Plan
Conference Attendance Budget
Professional Development Budget
Wellness Program
Mental Health Support
Stock Options
Company Equity
Paid Vacation
Growth & Insights and Company News
6 month growth
↑ 1%1 year growth
↑ 1%2 year growth
↑ 1%DiDi Global has raised investor interest despite mixed performance, with shares down 34% year-to-date but gaining over the past three months. The company reported revenue of CN¥232.2 billion and a net loss of CN¥2.6 billion, whilst achieving 8.9% annual revenue growth. The stock trades at a price-to-sales ratio of 0.5x, significantly below the transportation sector average of 1.9x and an estimated fair ratio of 1.2x. Simply Wall St's DCF model suggests a fair value of $20.83 compared to the current price of $3.66, indicating substantial undervaluation. However, ongoing losses and a 24.5% decline in one-year shareholder returns highlight persistent profitability challenges. The steep discount may reflect market concerns about the company's path to profitability despite revenue growth.
DiDi Global shares have declined 27% over the past three months, with the stock trading at $3.42. Despite revenue of CN¥226.7 billion and net income of CN¥992.6 million, the company's price-to-earnings ratio stands at 105.7x, significantly above the US Transportation industry average of 39.7x and peer average of 26.5x. Analysts forecast earnings growth of 49.7% annually over the next three years, with return on equity projected at 12.3%. However, the current P/E multiple exceeds the estimated fair value of 46.1x, suggesting the market has priced in substantial optimism. The company operates mobility platforms across China and international markets through its China Mobility, International and Other Initiatives segments. The valuation premium could narrow if market sentiment shifts.
Xiaoyubot, China's leading industrial embodied AI company, has raised a new funding round worth several hundred million yuan. The round attracted five major industrial investors: Xiaomi, Didi, BAIC, Fosun and CCDC. Lei Wanqiang participated for the fourth consecutive round. The company specialises in industrial embodied AI solutions. No further details about valuation or specific use of funds were disclosed.
Beijing XiaoYu Intelligent Technology has completed hundreds of millions of yuan in Series B+ funding, with investment from BAIC Capital, Fosun RZ Capital and C&D Emerging Industry Equity Investment. Existing shareholders Huaye Tiancheng and Guizhou Science and Technology Innovation Angel Fund co-invested, whilst Didi Chuxing and Xiaomi co-founder Li Wanqiang made additional investments. Founded in 2023 by former Xiaomi MIUI R&D head Qiao Zhongliang, XiaoYu Intelligence develops general-purpose embodied intelligence technology using a "One Brain, Multiple Forms" architecture that enables a single AI system to control different robot types. The company has focused initially on industrial welding, deploying its intelligent agent in production lines since Q4 2025. It recently signed a strategic cooperation with China Construction Science and Industry to deploy 1,000 embodied intelligent welding robots in construction steel structures within the next year.
D-Robotics has raised $150 million in a Series B2 round, bringing its total Series B funding to $270 million, with approximately $180 million raised within a single month. The round was led by Prosperity7 Ventures and Envision Group, with participation from Yunfeng Capital, Hillhouse Capital, Vertex Growth and existing investors including Didi Chuxing. The embodied AI company reported 180% year-on-year growth in annual shipments in 2025, with its customer base doubling. It now supports over 100 robot products and has grown its developer ecosystem to more than 100,000 developers across 20 countries. The funding will accelerate global expansion and support D-Robotics' integrated hardware-software platform, including its RDK S600 robotics platform. The company collaborates with Horizon Robotics on developing foundational AI capabilities for movement control and spatial awareness.