Senior Software Engineer- Kafka

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

Key Responsibilities

Must-Have Skills

Distributed Systems & Architecture

Deep experience designing and building distributed systems in production. Strong understanding of consistency, availability, partition tolerance, and real-world tradeoffs. Proven ability to make architectural decisions that scale with growth and complexity.

Kafka & Messaging Systems

Hands-on experience building and operating Kafka-based systems. Strong understanding of producer and consumer semantics, delivery guarantees, partitioning, and ordering. Ability to design reliable event-driven architectures and troubleshoot production messaging issues.

Relational Databases

Strong experience designing and operating relational databases such as Postgres or MySQL. Ability to model data, design indexes, and reason about transactions, locking, and query performance. Experience scaling relational systems through read replicas, sharding, or architectural changes.

Node.js expertise

Strong expertise in design, development and maintenance of scalable, robust backend services using Node.js

Apache Flink expertise

Design, implement, and maintain low-latency, high-throughput stream processing applications using Apache Flink via the DataStream API, Table API, or Flink SQL.

Ability to design services that are observable, resilient, and maintainable at scale, with careful attention to threading models, async execution, and network behavior under load.

Nice-to-Have Skills

Reliability-Oriented Design

Strong focus on designing systems that are reliable and resilient by default. Experience building services with clear failure modes, graceful degradation, and strong operational characteristics. Ability to incorporate reliability concerns directly into architecture and code rather than relying on operational fixes.

Performance & Scalability

Experience identifying and resolving performance bottlenecks across services, databases, and messaging systems. Strong intuition for capacity planning and saturation limits. Ability to proactively design for growth rather than react to outages.

Observability & Debugging

Strong experience with metrics, logging, and distributed tracing. Ability to debug complex, cross-service issues in production environments. Uses observability data to drive architectural and performance improvements.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace.