Java FS Developer

Valiant Technologies LLC; South San Francisco (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equal opportunity employer

Job summary

Valiant Technologies LLC is seeking a Senior Full Stack Engineer to maintain and enhance a multi-repository e-commerce platform and internal tools. You will work across stacks in a modern microservices environment, delivering scalable applications and robust APIs.

Experience with React, TypeScript, Java, Python, Node.js, and Docker/Kubernetes is expected, along with Swagger/OpenAPI and Stripe integration. Collaboration across Product, Design, and DevOps is essential.

Qualifications

• Experience building multi-repository platforms
• Proficient in front-end and back-end development
• Strong knowledge of microservices and system integrations
• Experience with RESTful APIs and API design
• Familiarity with CI/CD pipelines and version control

Responsibilities

• Develop and maintain frontend and backend across multiple repos
• Build responsive UIs with React and TypeScript
• Design, implement and maintain RESTful APIs in Java, Python, and Node.js
• Create and document APIs using Swagger/OpenAPI
• Work with Docker and deploy on Kubernetes (EKS)
• Configure and maintain CI/CD pipelines (Drone CI)
• Monitor performance, debug issues with logs and metrics
• Integrate payment processing (Stripe)
• Collaborate with Product, Design, and DevOps
• Manage codebases with Git
• Strong understanding of microservices architecture and integrations

Skills

Full stack

Microservices

REST APIs

CI/CD

Git

Team collaboration

Tools

React

TypeScript

Java

Python

Node.js

Swagger/OpenAPI

Docker

Kubernetes

Drone CI

Stripe

AWS S3

AWS EKS

AWS Cost Explorer

AWS WAF

AWS Bedrock

Git

Job description

Position Overview: Twist is looking for an experienced Senior Full Stack Engineerto maintain and enhance their multi-repository e-commerce platform and internal tools. The ideal candidate is highly versatile, capable of working across different stacks, and experienced in building scalable applications within a modern microservices environment.

Key Responsibilities

• Develop, enhance, and maintain frontend and backend systems across multiple repositories.
• Build responsive user interfaces using Reactand TypeScript primarily.
• Design, implement, and maintain RESTful APIsin Java, Python, and Node.js.
• Create and document APIs using Swagger/OpenAPI.
• Work with containerized applicationsusing Dockerand manage deployments on Kubernetes (EKS).
• Configure and maintain CI/CD pipelines(Drone CI).
• Monitor application performance and debug issues using logging and metrics tools.
• Integrate and maintain payment processing systems(e.g., Stripe).
• Collaborate with cross-functional teams including Product, Design, and DevOps.
• Manage codebases effectively using Git.
• Solid understanding of microservices architectureand system integrations.

Preferred Skills and Experience

• Familiarity with Ruby on Railsis a plus.
• Hands-on experience with AWS services(S3, EKS, Cost Explorer, WAF, Bedrock).
• Knowledge of Salesforce APIs (SFDC)integration is preferred.

VALIANT TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. VALIANT TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will VALIANT TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract