Senior Software Engineer, Reverse engineering

About Grab and Our Workplace

Grab is Southeast Asia's leading superapp. From getting your favourite meals delivered to helping you manage your finances and getting around town hassle-free, we've got your back with everything. In Grab, purpose gives us joy and habits build excellence, while harnessing the power of Technology and AI to deliver the mission of driving Southeast Asia forward by economically empowering everyone, with heart, hunger, honour, and humility.

Get to know the team

The Fulfillment tech family is one of the pillars enabling Grab to out-serve our customers and partners in different businesses and marketplaces across Southeast Asia. We are working on high throughput, real-time distributed systems that use advanced software engineering techniques to solve hundreds of millions of requests per day. You will be reporting to Senior Software Engineering Manager, Fulfilment. We are a distributed team in 5 different locations: Singapore, Beijing, Indonesia, Malaysia, and Romania.

Our mission is to offer the best products and experiences to our driver partners as to increase adoption and engagement of our services. Improve driver partner opportunities and efficiency to fulfill customer orders without fail, rain or shine. And to create efficient marketplaces by determining an price that is both sustainable and loved by our partners

Get to know the role

We are looking for a Senior Software Engineer to join our Fulfilment Platform Engineering Team. We are looking for a candidate with experience in cloud engineering, system design and architecture, and reverse engineering experience, always delivers high-quality code, and is willing to guide junior engineers.

The Critical Tasks You Will Perform

• You will design, develop, and maintain robust and scalable data acquisition platforms within a microservices architecture, and solve the challenges during data acquisition.
• You will lead medium to complex projects independently. This includes defining technical designs and solutions, driving the alignment with stakeholders, adhering to best coding practices, and addressing non-functional requirements.
• You will implement best practices and coding standards to ensure the reliability, performance, and security of our backend systems.
• You will write clean, maintainable, and efficient code, and conduct code reviews to ensure code quality and adherence to software development best practices.
• You will optimize and enhance existing backend systems for improved performance and scalability.
• You will troubleshoot and resolve complex backend issues and system failures, ensuring resolution to minimize impact on production environments.

The Must-Haves

• A degree in Computer Science, Software Engineering, Information Technology or related fields, Strong Computer Science fundamentals in algorithms and data structures
• 5+ years of experience in software engineering, 3+ years of experience in reverse engineering
• Experience in developing large scale data acquisition platforms and data processing at scale with high throughput and scalability.
• Proficiency in maintaining operational excellence and site reliability, including familiarity with monitoring system performance, ensuring system health, and managing service capacity planning.
• Possess excellent communication, sharp analytical abilities with proven design skills, and the ability to think critically of the current system in terms of growth and stability
• You are a good coder in any language (C++, Java, Scala, Rust, Python, Ruby, etc.), but willing to work on Golang
• Reverse Engineering & Tools - Proficiency with IDA, JEB, Jadx, Ghidra; experience with static/dynamic analysis, unpacking, and deobfuscation
• Hook Frameworks - Deep expertise in Frida and Xposed/LSPosed; familiarity with Magisk and root environment customization
• Anti-Fraud & Bypass Techniques - Experience with device fingerprint evasion, root/detection bypass, SSL pinning and encryption bypass

The Good-to-Haves 

• Security & Offensive Experience - Red-blue exercises, CTF/SRC contributions, experience with China major apps
• Expert knowledge in databases, including relational databases such as MySQL and NoSQL databases like AWS DynamoDB, Scylla, and others, accompanied by a distinct understanding of various design decision implications. 
• Experience in coaching and mentoring junior developers, providing guidance on coding standards, and promoting a collaborative learning environment within the team.
• Demonstrate a keen sense of product thinking, being able to align technical strategies with product goals, and understanding how development decisions can directly impact end-users.

Life at Grab

We care about your well-being at Grab, here are some of the global benefits we offer:

• We have your back with Term Life Insurance and comprehensive Medical Insurance.
• With GrabFlex, create a benefits package that suits your needs and aspirations.
• Celebrate moments that matter in life with loved ones through Parental and Birthday leave, and give back to your communities through Love-all-Serve-all (LASA) volunteering leave
• We have a confidential Grabber Assistance Programme to guide and uplift you and your loved ones through life's challenges.
• Balancing personal commitments and life's demands are made easier with our FlexWork arrangements such as differentiated hours

What We Stand For At Grab

We are committed to building an inclusive and equitable workplace that provides equal opportunity for Grabbers to grow and perform at their best. We consider all candidates fairly and equally regardless of nationality, ethnicity, race, religion, age, gender, family commitments, physical and mental impairments or disabilities, and other attributes that make them unique.