Backend Developer

Ampcus, Inc; Pleasanton (CA); On-site; USD 90,000 - 120,000; Full time

Job summary

A technology consulting firm in Pleasanton, CA, is looking for a Backend Developer with expertise in Java and Kotlin. The ideal candidate will design and maintain high-performance backend systems, develop RESTful APIs, and implement cloud-native applications using Spring Boot. Proficiency in event-streaming platforms like Apache Kafka and experience with PostgreSQL and MongoDB are essential. This position offers an opportunity to work in a collaborative Agile environment.

Qualifications

• Strong proficiency in Java and Kotlin with exception-handling practices.
• Hands-on experience with Spring Boot and Quarkus.
• Expertise in event-streaming platforms like Apache Kafka and RabbitMQ.
• Solid experience developing REST APIs and microservices.

Responsibilities

• Design and maintain scalable backend systems using Java and Kotlin.
• Develop RESTful APIs focusing on security and performance.
• Implement services using Spring Boot and modern web technologies.
• Integrate event-driven architecture using Apache Kafka or RabbitMQ.

Skills

Java

Kotlin

Object-Oriented Programming

REST APIs

Spring Boot

Quarkus

Apache Kafka

RabbitMQ

PostgreSQL

MongoDB

Docker

Kubernetes

Git

GitHub

CI/CD

HTML

CSS

JavaScript

Tools

GitHub Actions

Nagios

New Relic

Splunk

GCP Monitoring

Chef

Jenkins

Puppet

ArgoCD

Job description

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team.

Job Title: Backend Developer

Location(s): Pleasanton, CA.

Core Responsibilities:

• Design, build, optimize, and maintain scalable, resilient, and high-performance backend systems using Java, Kotlin, and other JVM-based technologies.
• Develop, enhance, and maintain RESTful APIs with strong adherence to security, performance, and reliability standards.
• Implement services using Spring Boot, Quarkus, and modern web technologies, following 12-factor app principles for cloud-native development.
• Integrate and manage event-driven architecture using Apache Kafka or RabbitMQ.
• Work with PostgreSQL and MongoDB databases, ensuring efficient schema design, performance optimization, and reliability.
• Utilize Git, GitHub, and GitHub Actions for version control, CI/CD automation, and deployment pipelines.
• Build and deploy containerized applications using Docker and orchestrate them on Kubernetes platforms (AKS, GKE, or equivalent).
• Collaborate cross-functionally within Agile/SCRUM teams, contributing to sprint planning, estimation, and delivery.
• Ensure adherence to secure coding practices, SDLC standards, and compliance frameworks.
• Monitor and enhance system performance using alerting and observability tools such as Nagios, New Relic, Splunk, or GCP monitoring.
• Work with public cloud platforms (Azure or OCI) for application deployment, scaling, and operational readiness.
• If required, contribute to Salesforce Development (SFDC) and Salesforce Marketing Cloud (SFMC) or other platforms such as Shopify, SFCC, Stibo, or SFSC.

Required Skills and Qualifications:

• Strong proficiency in Java, Kotlin, JVM-based development, Object-Oriented Programming (OOP), and robust exception-handling practices.
• Hands‑on experience with Spring Boot, Quarkus, and modern backend web technologies.
• Expertise in event‑streaming and messaging platforms such as Apache Kafka and/or RabbitMQ.
• Solid experience developing and maintaining REST APIs and microservices architectures.
• Proficiency with front‑end technologies (HTML, CSS, JavaScript) as required.
• Strong understanding of Git, GitHub, GitHub Actions, and other DevOps tools (Chef, Jenkins, Puppet, ArgoCD).
• Practical experience working with relational and NoSQL databases, especially PostgreSQL and MongoDB.
• Working knowledge of containerization (Docker) and Kubernetes orchestration (AKS, GKE).
• Understanding of public cloud platforms including Azure and Oracle Cloud Infrastructure (OCI).
• Experience with monitoring, logging, and alerting tools (Nagios, New Relic, Splunk, GCP Monitoring).
• Familiarity with 12‑factor app methodology and modern cloud-native design principles.
• Knowledge of the Software Development Lifecycle (SDLC), Agile/SCRUM methods, and industry best practices.

Ampcus is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veterans or individuals with disabilities.

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