Backend Engineer (Python/Java) - APIs & Microservices

Machine Learning Technologies, LLC; Newark (NJ); On-site; USD 90,000 - 150,000; Full time

Job summary

Machine Learning Technologies, LLC in Newark, NJ is seeking a Software Engineer to design, build, test, deploy, and support scalable software applications and services. Proficiency in Python and Java, REST APIs, microservices, databases, web tech, cloud platforms, Linux, Docker, and CI/CD is required.

You will collaborate with product, business, quality, and data teams to translate requirements into reliable, maintainable solutions and contribute to an Agile/Scrum environment.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• Professional or project-based software development experience using Python, Java, or JavaScript.
• Experience developing REST APIs and working with Spring Boot or a comparable application framework.
• Familiarity with one relational database and one NoSQL database.
• Familiarity with Git, Linux, software testing, Agile delivery, and the software development life cycle.
• Ability to analyze requirements, troubleshoot issues, and deliver independently while collaborating across teams.

Responsibilities

• Design and develop backend services, REST APIs, and modular or microservice-based applications using Python and/or Java.
• Build and enhance web application capabilities using JavaScript, React, HTML, CSS, and supporting server-side technologies.
• Design data access layers and integrations for PostgreSQL, SQL Server, MySQL, MongoDB, or comparable databases.
• Write clean, maintainable, testable code using object-oriented design, SOLID principles, defensive validation, and appropriate error handling.
• Create unit and integration tests; participate in code reviews, defect resolution, release readiness, and production support.
• Containerize and deploy applications using Docker and CI/CD pipelines across cloud or Linux environments.
• Use Git, Maven, Swagger/OpenAPI, Postman, and Jira to support development, documentation, testing, and delivery tracking.
• Collaborate within Agile/Scrum teams and communicate technical tradeoffs, delivery risks, dependencies, and progress.

Skills

Python

Java

JavaScript

REST APIs

Microservices

CI/CD

Agile/Scrum

SOLID principles

Unit testing

Linux

Education

Bachelor's degree in Computer Science, Software Engineering, or related technical field

Tools

Docker

Git

Maven

Swagger/OpenAPI

Postman

Jira

Node.js

React

JavaFX

HTML

CSS

PostgreSQL

SQL Server

MySQL

MongoDB

Job description

Machine Learning Technologies, LLC in Newark, NJ is seeking a Software Engineer to design, build, test, deploy, and support scalable software applications and services. Proficiency in Python and Java, REST APIs, microservices, databases, web tech, cloud platforms, Linux, Docker, and CI/CD is required.

You will collaborate with product, business, quality, and data teams to translate requirements into reliable, maintainable solutions and contribute to an Agile/Scrum environment.