Senior Software Engineer - Full Stack Level V - Java + React

Confiz; San Jose (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Confiz in San Jose seeks a Senior Full Stack Developer to design, build, and maintain scalable web interfaces with strong React and UI/UX focus, plus backend in Java Spring Boot. You will shape both frontend and backend components for large-scale applications, contributing to architecture decisions and mentoring juniors.

The role requires deep experience in enterprise systems, effective English communication, and a track record of delivering maintainable, high-quality software across frontend

Qualifications

• 10+ years of hands-on software development in enterprise-level applications.
• Experience leading teams and communicating with stakeholders effectively.
• Strong English communication and problem-solving skills required.

Responsibilities

• Lead standups, manage requirements and prioritize tasks for engineers.
• Design, develop, test, document, and analyze data with emphasis on quality and automation.
• Collaborate with cross-functional teams and support DevOps practices including CI/CD pipelines and cloud infrastructure.

Skills

Java

React

Python

Tools

Spring Boot

Kafka

SQS

AWS

Kubernetes

Lambda

GitLab CI/CD

Terraform

New Relic

Splunk

PostgreSQL

DynamoDB

Job description

We are seeking an experienced Senior Full Stack Developer to design, build, and maintain high-quality, scalable user interfaces for modern web applications. The ideal candidate brings deep expertise in React, strong UI/UX sensibilities, and a proven track record of delivering performant, maintainable front-end solutions in complex, large-scale environments. and also experienced with Java and Spring boot on the backend so he can bring both Frontend and Backend components together.

Responsibilities

Strong English Speaking Skills are Required for this role as they will be guiding and problem solving with other team members.

• Manage standups, jiras and team updates, stakeholder management to understand requirements and lead junior engineers.
• Design, Development, Testing, Documentation, Data analysis, On-call support during working hours.
• Design, develop, and maintain advanced software systems while adhering to high standards for code quality, testing, and automation. Collaborate with cross-functional teams to deliver scalable solutions, mentor junior developers, and support DevOps practices, including CI/CD pipelines and cloud infrastructure.

Requirements

• Tech Lead/Sr. Engineering -> 10+ years of hands-on experience in software development, with expertise in system design, architecture, and building enterprise-level applications.

Software Development Languages

• Proficiency: Java (required), React (very nice to have), Python(very nice to have)
• Frameworks: Spring Boot
• RESTful architecture and microservices
• Messaging technologies (e.g., Kafka, SQS)
• Cloud platforms (AWS preferred)
• Kubernetes, Lambda (preferred)
• CI/CD pipelines (e.g., GitLab CI/CD, Terraform)
• Test automation (Unit, Integration, Regression, Load)
• Experience in relational & non-relational databases such as PostGres, Dynamo
• Logging and monitoring tools (e.g., New Relic, Splunk)

We have a global team of amazing individuals working on highly innovative enterprise projects & products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast growth fintech, and multiple Silicon Valley startups.

What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM) and ISO 14001:2015 (EMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.

People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.

To know more about Confiz Limited, visit https://www.linkedin.com/company/confiz