Lead Software Engineer

<strong>Job Requirements </strong><br><p>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.</p><p> </p><p><strong>Key Responsibilities</strong></p><p><strong style="color: rgb(31, 78, 121);">Backend Engineering & Cloud</strong></p><p>•      <span style="color: rgb(89, 89, 89);">Deliver production-grade Java Spring Boot services — including Spring Cloud, Spring Security, and WebFlux.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Design and optimise data access layers across PostgreSQL, MongoDB, and Cassandra for scale and resilience.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Implement Kubernetes-based deployment topologies (Helm, Kustomize, service mesh via Istio/Linkerd).</span></p><p>•      <span style="color: rgb(89, 89, 89);">Architect CI/CD pipelines using GitHub Actions, Cloud Build, Azure DevOps, ArgoCD, or Tekton.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Oversee observability stacks: OpenTelemetry, Prometheus, Grafana, Cloud Monitoring / Azure Monitor.</span></p><p><strong style="color: rgb(31, 78, 121);">Frontend & Integration</strong></p><p>•      <span style="color: rgb(89, 89, 89);">Collaborate with frontend teams on React/HTML5 BFF (Backend-for-Frontend) patterns and micro-frontend integrations.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Define CDN, SSR, and caching strategies to meet performance budgets from backend perspective.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Architect secure integration with third-party SaaS and internal platforms via event streaming (Kafka, Pub/Sub).</span></p><p><strong style="color: rgb(31, 78, 121);">TECHNICAL SKILLS & COMPETENCIES:</strong><strong style="color: white;">Cloud Platforms</strong></p><p><span style="color: rgb(89, 89, 89);">GCP (GKE, Cloud Run, BigQuery, Pub/Sub, Spanner, Firestore, Cloud CDN, VPC, Cloud Armor) • Azure (AKS, Azure Functions, Cosmos DB, Service Bus, Event Grid, APIM, Azure DevOps, Azure AD B2C)</span></p><p><strong style="color: white;">Backend</strong></p><p><span style="color: rgb(89, 89, 89);">Java 17/21 • Spring Boot 3.x • Spring Cloud • Spring Security • Spring WebFlux • Hibernate / JPA • Maven / Gradle • JUnit 5 / Mockito</span></p><p><strong style="color: white;">Frontend</strong></p><p><span style="color: rgb(89, 89, 89);">React 18 / Next.js • HTML5 • TypeScript • BFF Pattern • REST & GraphQL consumption • Performance optimisation</span></p><p><strong style="color: white;">Containers & Infra</strong></p><p><span style="color: rgb(89, 89, 89);">Kubernetes (GKE / AKS) • Docker • Helm • Kustomize • Istio • ArgoCD • Terraform • Pulumi • Ansible</span></p><p><strong style="color: white;">Databases</strong></p><p><span style="color: rgb(89, 89, 89);">PostgreSQL (partitioning, indexing, read replicas) • MongoDB (sharding, aggregation pipelines, Atlas) • Cassandra (data modelling, compaction, multi-DC) • Redis • Elasticsearch</span></p><p><strong style="color: white;">Messaging & Streaming</strong></p><p><span style="color: rgb(89, 89, 89);">Apache Kafka • GCP Pub/Sub • Azure Service Bus • RabbitMQ • Event-driven architecture • CQRS / Event Sourcing</span></p><p><strong style="color: white;">Security</strong></p><p><span style="color: rgb(89, 89, 89);">OAuth 2.0 / OIDC • JWT • Zero Trust • HashiCorp Vault • OWASP Top 10 • Cloud IAM • mTLS / service-to-service auth</span></p><p><strong style="color: white;">Architecture Patterns</strong></p><p><span style="color: rgb(89, 89, 89);">Microservices • DDD • Event-Driven • CQRS • Saga Pattern • Strangler Fig • Sidecar • API Gateway • Service Mesh</span></p><p> </p><p><strong style="color: rgb(31, 78, 121);">REQUIRED QUALIFICATIONS</strong> </p><p>•      <span style="color: rgb(89, 89, 89);">7-10 years of hands-on software engineering experience.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Proven delivery of large-scale cloud-native platforms on GCP and/or Azure in production at 10M+ users.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Expert-level proficiency in Java (11+) and the Spring ecosystem (Boot, Cloud, Security, WebFlux).</span></p><p>•      <span style="color: rgb(89, 89, 89);">Extensive experience with containerisation (Docker) and Kubernetes orchestration (GKE / AKS).</span></p><p>•      <span style="color: rgb(89, 89, 89);">Deep knowledge of relational and NoSQL databases: PostgreSQL, MongoDB, and Apache Cassandra.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Strong command of microservices design, REST/gRPC APIs, and asynchronous messaging patterns.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Solid experience with Infrastructure-as-Code (Terraform / Pulumi) and GitOps workflows.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Hands-on exposure to React/HTML5 and BFF architecture patterns.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Track record of leading architecture reviews, engineering governance, and cross-functional delivery.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Bachelor's or Master's degree in Computer Science, Engineering, or equivalent practical experience.</span></p><p> </p><p><strong style="color: rgb(31, 78, 121);">PREFERRED QUALIFICATIONS</strong></p><p>•      <span style="color: rgb(89, 89, 89);">Experience with AI/ML platform integration (Vertex AI, Azure ML, LLM orchestration).</span></p><p>•      <span style="color: rgb(89, 89, 89);">Familiarity with FinOps tooling and cloud cost optimisation frameworks.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Open-source contributions or published technical writing on distributed systems topics.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Experience in regulated industries (BFSI, Telecom, HealthTech) with compliance posture management.</span></p><p>•      <span style="color: rgb(89, 89, 89);">Exposure to multi-cloud or hybrid-cloud landing zone designs.</span></p><p> </p><p>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.</p><p> </p><p>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.</p><br><br>