I will develop java backend and rest API

J
julian_geniuz
J
julian_geniuz
Daniel Simiyu
5.0
5.0
develop java backend and rest API
Full Screen
develop java backend and rest API
Full Screen
Full Screen
develop java backend and rest APIdevelop java backend and rest APIdevelop java backend and rest API

About this gig

Senior Software Engineer with over 10 years of experience in backend and full-stack development across fintech, e-commerce, and education domains. Proven expertise in building scalable systems, leading engineering teams, and delivering mission-critical software. Adept in modern Java frameworks, AWS cloud services, and microservices architecture. Strong collaborator and mentor with a passion for clean code and continuous improvement.


Tools & Skills include:

Languages & Frameworks: Java (8+), Kotlin, Spring Boot, Quarkus, JPA (Hibernate, EclipseLink), JAX-RS, GraphQL, gRPC ️ Frontend: Angular 12+, HTML5, CSS3, SCSS, JavaScript, TypeScript enabling the creation of dynamic and responsive user interfaces. ️ Cloud & DevOps: AWS (EC2, S3, SQS, RDS, Glue, Athena), Docker, Kubernetes, CI/CD ️ Architecture: Microservices, Event-driven Architecture (Kafka, RabbitMQ, ActiveMQ, SQS) ️ Tools & Testing: Git, JIRA, Slack, JUnit, Mockito, Redis, ETL, Cube.js ️ Databases: MySQL, PostgreSQL, Oracle, MongoDB, Elasticsearch, Cassandra ️ Event-driven architecture (ActiveMq, Apache Kafka, RabbitMq and AWS SQS) ️ CI/CD (Github Actions, GitLab CI/CD)


Github : https://github.com/simiyu17

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Performance
    • Security

  • Programming language

    • Java

  • Frontend framework

    • AngularJS
    • jQuery
    • Bootstrap

  • Backend framework

    • Spring

Get to know Daniel Simiyu

Daniel Simiyu

Solutions Architect, FullStack Engineer, AWS and Agentic AI

5.0(1)
  • FromKenya
  • Member sinceFeb 2017
  • Last delivery5 years

  • Languages

    English, Spanish
I bridge the gap between enterprise-grade architecture and cutting-edge AI capabilities. My expertise includes: 🤖 AI & LLM: RAG, MCP, Vector Databases, LLM Orchestration. ☕ Languages: Java 8+, C++, Spring Boot, Quarkus, GraphQL, gRPC. 🌐 Frontend: Angular 12+, React, JavaScript, TypeScript. ☁️ DevOps: AWS, Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI/CD). ⚡ Event-Driven Architecture (Kafka, RabbitMQ, ActiveMQ, AWS SQS). 🗄️ Databases: PostgreSQL, MySQL, Oracle, MongoDB, Elasticsearch, Cassandra. 🛠️ Tools & Testing: Git, JIRA, Slack, JUnit, Mockito, Redis, ETL, Cube.js.

My Portfolio

Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • U

    user29121038

    DE

    Germany

    5

    Was a pleasure to work with Julian. Really fast and proper work from him. Helping me to set everything up and explaining those code section i couldnt understand. Thank you mate

    $50

    Price

    Helpful?
    Yes
    No
Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • U

    user29121038

    DE

    Germany

    5

    Was a pleasure to work with Julian. Really fast and proper work from him. Helping me to set everything up and explaining those code section i couldnt understand. Thank you mate

    $50

    Price

    Helpful?
    Yes
    No

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