Elastic Search

Company Profile:

Founded in 1976, CGI is among the largest independent IT and business consulting services firms in the world. With 94,000 consultants and professionals across the globe, CGI delivers an end-to-end portfolio of capabilities, from strategic IT and business consulting to systems integration, managed IT and business process services and intellectual property solutions. CGI works with clients through a local relationship model complemented by a global delivery network that helps clients digitally transform their organizations and accelerate results. CGI Fiscal 2024 reported revenue is CA$14.68 billion and CGI shares are listed on the TSX (GIB.A) and the NYSE (GIB). Learn more at cgi.com.

Job Title: Elastic Search

Position: Senior Software Engineer

Experience: 5- 6 Years

Main location: Bangalore

Position ID: J0326-0668

Employment Type: Full Time

Your future duties and responsibilities

Key Responsibilities

• Design & Development Architect and implement scalable Elasticsearch clusters (index design, mappings, analyzers, synonyms, aggregations). Build and maintain Java services integrating with Elasticsearch (REST High Level Client / new Java API client). Develop near real-time ingestion pipelines (Logstash / Beats / Kafka / custom ETL).
• Relevance & Features Implement query DSL, compound queries, rescoring, function score, and aggregations. Relevance tuning (BM25, analyzers, boosts, synonyms, stemming, stop words). Implement autocomplete, typo-tolerance (fuzziness), highlighting, and faceted search.
• Performance & Reliability Optimize indexing/search performance (routing, sharding, refresh intervals, segment merging). Capacity planning, scaling, and cluster administration (snapshots, ILM, hot-warm-cold architecture). Monitor health with Elasticsearch APIs, Prometheus/Grafana, Kibana, and APM. Ensure resiliency, zero-downtime deployments, and disaster recovery.
• Quality & Security Write clean, well-tested code (JUnit/Testcontainers/Mock frameworks). Implement security (TLS, RBAC, API keys, field/document-level security). Partner with SRE/DevOps for CI/CD, infrastructure-as-code, and cloud deployments.
  
  

Required Qualifications

• 5–6 years total experience; 3+ years hands-on with Elasticsearch in production.
• Strong Java (Java 8+), collections/concurrency, and HTTP/REST.
• Proficient with Elasticsearch query DSL, mappings, analyzers, aggregations, and the Java client.
• Experience with index lifecycle management (ILM), snapshots/restore, cluster tuning.
• Data pipeline experience with Logstash / Beats / Kafka or custom ingestion.
• Solid understanding of distributed systems concepts (sharding, replication, consistency).
• Hands-on with Docker, Git, build tools (Maven/Gradle), and CI/CD.
• Strong debugging skills and performance profiling.
  
  

Nice-to-Have

• Spring Boot microservices, reactive patterns (WebFlux), and API gateways.
• Cloud-managed search (e.g., Amazon OpenSearch Service, Elastic Cloud).
• Kibana dashboards/visualizations; Prometheus/Grafana for metrics.
• Security: Shield/X-Pack, SSO/OIDC integration.
• Experience with vector search, semantic search (kNN, ANN), and RAG patterns.
• Exposure to Python for data tooling or relevance experiments.
• Knowledge of SQL/NoSQL (Postgres, Redis, Cassandra) for complementary data needs.
  
  

Required Qualifications To Be Successful In This Role

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

---