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Principal Engineer - Backend Development

CUBE CONSULTANCY SERVICES
Multiple Locations
7 - 12 Years

Posted on: 17/09/2025

Job Description

We're looking for hands-on technical leaders to join as Staff or Principal Engineers-builders who can lead by doing.

You'll be the backbone of architectural decisions, drive scalability across domains, and solve complex distributed systems problems while mentoring teams through execution.

Each Staff/Principal Engineer is expected to own multiple initiatives or projects end-to-end, from design to rollout, working collaboratively across teams to drive business and technical outcomes.

Responsibilities :

- Drive system design, platform architecture, and self-serve engineering capabilities across high-scale microservices and real-time.

- Own end-to-end delivery of critical initiatives, from scoping and design to deployment and scaling.

- Own and lead multiple projects simultaneously-be accountable for quality, performance, and timelines.


- Lead by example as a hands-on developer, picking up the most complex pieces and turning ambiguity into working software.

- Build scalable and resilient systems using Java (Spring Boot), Event-Driven Architectures, and NoSQL (ScyllaDB/MongoDB).

- Solve real-time, high-throughput challenges across search, pricing, availability, and booking workflows.

- Embrace AI-powered development methodology (Claude, Cursor) to increase product release velocity and build accuracy.

- Collaborate across teams (Product, Infra, Data, Architects) with a mindset of ownership and partnership.

- Conduct rigorous design and code reviews with attention to clean code, performance, and maintainability.

Requirements :

- 7- 12 years of backend development experience, with deep focus on Java (Spring Boot, Hibernate)

- Proven track record in owning systems, influencing architecture, and delivering critical projects independently or in small teams

- Strong experience with : Distributed systems, event-driven architectures, SQS/Kinesis, backpressure, and fault tolerance - ScyllaDB, MongoDB, or other NoSQL databases - Performance profiling, memory management, and latency optimizations

- Deep systems thinking around consistency models, circuit breakers, low-latency design, and platform reliability

- Experience driving an automation-first culture, building tools, frameworks, or internal platforms

- Familiar with observability tools: Grafana, Prometheus, CloudWatch

- Must be a goal-driven professional who focuses on driving measurable results and can effectively prioritize activities that directly contribute to business objectives.

- Self-starter, go-getter, and problem solver with a growth mindset - Comfortable in remote-first, async, and ownership-heavy environments.

Nice to Have :

- Experience with LLM pipelines, RAG, or agentic AI workflows

- Exposure to Databricks, Spark, or other large-scale data processing frameworks

- Experience building internal platforms or golden paths to accelerate engineering teams.

- Knowledge of React or full-stack systems

- Prior experience in B2B marketplaces or travel-tech is a plus.

Why Join Us?

- Shape the backbone of a high-GMV, high-throughput B2B platform

- Work on critical, high-scale & real-time systems with global scale

- Use AI to supercharge your productivity

- Join a fast-paced, remote-first team that values ownership, documentation, and shipping clean solutions

- Be part of a culture where engineering excellence is non-negotiable

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