C1 - Java Full Stack - Mobile Dev

Capgemini

St. Louis, MO, United States

23 days ago

Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Compensation

$62,504.0 - $97,656.0

Working hours

Regular working hours

Job source

www.indeed.com

Tech stack

Java (Programming Language) Spring Security Application Programming Interfaces (APIs) JIRA Bootstrap (Software) Cloud Computing Code Coverage Code Review Databases Continuous Integration Serialization Data Structures

+40 more

Shard (Database Architecture) Software Design Documents DevOps Junit MongoDB Node.Js Oracle (Applications) Scrum Methodology Redis Mockito Swagger SonarQube SQL Databases TypeScript Management of Software Versions Openapi Highcharts Data Logging RxJS Spring Cloud Spring-mvc Istio Spring-boot Caching AWS Lambda Indexer Containerization AngularJS Gitlab-ci Integration Tests Kubernetes Apache Kafka Graphql Api Design Restful APIs Dynatrace Api Management Docker Microservices Oracledb

Job description

mongodb root cause analysis Docker & Kubernetes java programming Agile/Scrum methodology microservices architecture sql database spring boot framework CI/CD & DevOps, * Design and implement microservices with well-defined API contracts and clear service boundaries

Build and optimize RESTful APIs consumed by internal teams and external partners
Write performant SQL against Oracle DB and design document models in MongoDB
Implement caching strategies using Redis to support low-latency, high-throughput reads
Ensure production reliability through resilience patterns, structured logging, and distributed tracing
Participate in code reviews, design discussions, and sprint ceremonies
Maintain 95%+ meaningful test coverage with unit and integration tests
Collaborate with DevOps on CI/CD pipelines, containerization, and Kubernetes deployments

Requirements

We are looking for a Senior Java Full-Stack Engineer to design, develop, and operate high-throughput microservices. The role demands strong backend expertise with Java 17 and Spring Boot, solid database skills across Oracle, MongoDB, and Redis, and the ability to own services end-to-end from design through production observability., * Java 17 - streams, lambdas, records, sealed classes, concurrency APIs, SOLID, thread safety

Spring Boot - DI, bean lifecycle, profiles, actuator, Spring MVC, WebClient, Spring Cloud, Spring Security
Microservices - service boundaries, resilience patterns, feature toggles, API versioning, sagas, observability
Oracle DB - complex SQL, JOINs, window functions, execution plans, indexing, partitioning, batch queries
MongoDB - document modeling, aggregation pipelines, indexing, sharding, replica sets, change streams, transactions
Redis - data structures, clustering, cache strategies (cache-aside, write-through, TTL), invalidation, hot-key mitigation
Data Structures - hash maps, trees, heaps, graphs, complexity analysis, Java Streams on large collections
API Design - RESTful semantics, OpenAPI/Swagger, versioning, idempotency, Jackson serialization
Testing - JUnit 5, Mockito, integration tests (DB + cache), SonarQube 95%+ coverage, contract testing
DevOps - Git workflows, GitLab CI/CD, Docker, Kubernetes (HPA, probes), structured logging, distributed tracing
Engineering - Agile/Scrum, root-cause analysis, design trade-offs, Jira

Preferred Qualifications (Good-to-Have):

UI - Node.js, Express, JWT, Angular 11, TypeScript, RxJS, ag-Grid, Bootstrap, Chart.js
Kafka - producers, consumers, partitioning, offset management, event-driven patterns
Cloud & Infra - Kubernetes-native, Istio, Harness CD, container registries
Additional - Lombok, MapStruct, 12-factor app, vault-based secrets, GraphQL

Benefits & conditions

The pay range that the employer in good faith reasonably expects to pay for this position is $30.05/hour - $46.95/hour. Our benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis.