Tech Lead Backend Engineer
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Company
Klook
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Location
Singapore -
Job Type
Full-Time
Zipkin
GitLab CI
GitLab
Flash
Java Spring Boot
Microservices
Jaeger
MySQL
Kubernetes
Senior Level
Equal Opportunity Employer
CI/CD
Redis
Inventory Management
Grafana
Artificial Intelligence
Java
Mid Level
OpenTelemetry
Bachelor's Degree
- Drive AI adoption and mentor engineers
- Own core system architecture and design
- Ensure reliability under flash-sale traffic
Interested in this job offer?
Description
About Klook
We are a leading pan-regional experiences platform in Asia Pacific, purpose built to digitalize experiences and make them accessible to every traveler.
Our mission is to build the digital infrastructure for the global experience economy — empowering merchants to share their passions and travelers to discover the heartbeat of each destination.
We operate a mobile-first, curated platform featuring diverse experiences across global destinations.
Do you share our belief in the wonders of travel? Global citizens ourselves, Klookers are not only curating memorable experiences for others but co-creating our world of joy within Klook.
We work hard and play hard, upkeeping our high-performing culture as we are guided daily by our 6 core values:
Customer First
Push Boundaries
Critical Thinking
Build for Scale
Less is More
Win as One
We never settle, and together, we believe in achieving greater heights and realizing endless possibilities ahead of us in the dynamic new era of travel. Care to be a part of this revolution? Join us!
Role Overview
Role Title: Tech Lead Backend Engineer
Function: Engineering
Seniority Level: Mid-Senior level
Employment Type: Full time
Job Responsibilities
- Own architecture design, technology selection, and continuous evolution of core systems — high-throughput ticketing engine, virtual queue / waiting room, inventory management, onsite verification with offline fault-tolerance, and merchant analytics dashboards
- Ensure system reliability under flash-sale traffic: capacity planning, rate limiting, graceful degradation, failover, and observability
- Lead the authoring and review of technical design documents — including system architecture, user stories with acceptance criteria, database modelling, complete API specifications with error code taxonomy, authentication flows, and caching/performance strategies — ensuring designs are thorough and actionable
- Lead technical design reviews and architecture decisions; establish and enforce engineering standards, development processes, and quality benchmarks
- Partner with Business, Product, Operations, Frontend, and QA to decompose complex requirements into actionable technical plans and drive end-to-end delivery
- Take ownership of critical technical challenges; proactively identify bottlenecks and drive optimisation
- Mentor junior and mid-level engineers; build the team's technical capability and knowledge base
- Champion AI-assisted tooling adoption across team workflows
- Contribute to multi-region architecture and cross-border call-path optimisation
Key Profile
- Bachelor's degree or above in Computer Science or related field; 7+ years of backend experience at mid-to-large internet platforms
- Expert in the Java / Spring Boot ecosystem; able to design complex distributed systems from the ground up
- Proven track record architecting high-throughput, high-concurrency systems (flash sales, virtual queues, inventory, etc.)
- Deep understanding of MySQL tuning, Redis distributed caching & locking, and Kafka in high-traffic contexts
- Hands-on microservices governance experience: rate limiting, graceful degradation, capacity planning, fault recovery, distributed tracing
- Able to lead the creation of thorough technical design documents (system architecture, API specifications, data models, authentication and security strategies) and effectively drive review and execution
- Demonstrated experience embedding AI tools into team engineering workflows to systematically raise team productivity
- Has defined AI-assisted coding standards or driven team-wide adoption of AI tooling (e.g., Copilot usage guidelines, prompt engineering practices, AI-augmented code review processes)
- Strong technical judgement with the ability to make sound trade-offs; strong business acumen to turn requirements into reliable technical solutions
- Team management or Tech Lead experience; effective at cross-team communication and driving alignment
Nice-to-Have
- Experience with ticketing / events / entertainment / e-commerce core transaction systems
- Designed queue management systems (Virtual Queue / Waiting Room) or inventory management systems
- Multi-region deployment experience (Global + China) with cross-border service invocation architecture
- Onsite ticketing / redemption system design experience, including offline fault-tolerance
- Proficiency with Kubernetes operations, GitLab CI/CD pipeline optimization, and observability tooling (Grafana, OpenTelemetry)
- Golang as a secondary language with real project experience
- Track record of owning a system end-to-end from inception through production launch, or leading a major refactoring of a large-scale legacy system
- Experience designing SaaS / multi-tenant / white-label platforms
Klook is proud to be an equal opportunity employer. We hire talented and passionate people of all backgrounds. We believe that a joyful workplace is an inclusive workplace, one where employees from all walks of life have an equal opportunity to thrive. We’re dedicated to creating a welcoming and supportive culture where everyone belongs.
Klook does not accept unsolicited resumes from any temporary staffing agency, placement service or professional recruiter (“Agency”). Klook will not be responsible for, and will not pay, any fees, commissions or other payments related to such unsolicited resumes.
An Agency must obtain advance written approval from Klook’s Talent Acquisition Team to submit resumes, and then only in conjunction with a valid fully-executed agreement for service and in response to a specific job opening for which the Agency has been requested to submit resumes for. Klook will not be responsible for, and will not pay, any fees, commissions or other payments to any Agency that does not have such agreement in place or does not comply with the foregoing.
Category
Technology, Information and Media
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Location
Singapore, Singapore
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Company
Klook
Updated on Apr 21, 2026