Junior Back-End Developer (Python/ AWS / Salesforce)

Velozient; Brasil; Remote; BRL 60,000 - 85,000; Full time

Job summary

Velozient is seeking a Junior Back-End Developer (Python/AWS/Salesforce) for a 12-month, fully remote contract with potential extension. You will design, build, and maintain back-end services and enterprise integrations that connect Salesforce and ERP systems with AWS-hosted databases and applications.

You will collaborate with Data Engineers and Front-End Engineers, implement RESTful APIs, and ensure secure data exchange while using AI-assisted coding tools to accelerate development and

Qualifications

• 1+ years of professional software development experience, with expertise in Python.
• Knowledge of Python programming, object-oriented design, and software engineering best practices.
• Experience designing, developing, and consuming RESTful APIs.
• Experience using Python SDKs and third-party libraries to integrate enterprise applications.
• Experience with Salesforce APIs and integrations.
• Hands-on experience working with AWS cloud services and AWS-hosted databases.
• SQL skills and experience working with relational databases.
• Experience implementing authentication, authorization, secure API communication, and production-level security practices.
• Experience with asynchronous processing, error handling, logging, and integration monitoring.

Responsibilities

• Design, develop, and maintain back-end applications and services using Python.
• Build and manage integrations between Salesforce, Rootstock ERP (or similar), and AWS-based databases.
• Work with third-party APIs and SDKs to establish reliable communication between enterprise applications.
• Develop business logic and data processing workflows to support operational requirements.
• Design and implement RESTful APIs and integration services.
• Ensure secure data exchange, authentication, authorization, and error handling across integrated systems.
• Optimize application performance, reliability, and scalability.
• Write maintainable, testable, and well-documented Python code.
• Troubleshoot integration issues, API failures, and data synchronization problems.
• Collaborate with Data Engineers and Front-End Engineers to deliver integrated solutions.
• Use AI-assisted coding tools to accelerate development while independently validating generated code.

Skills

Python

AWS

Salesforce

REST APIs

OO design

English

Tools

Python SDKs

Salesforce APIs

AWS services

Job description

Junior Back-End Developer (Python/ AWS / Salesforce)

We are looking for a full-time, remote Junior Back-End Developer with 1+ years of software development experience using Python to join our U.S. client. This is a 12-month contract with the possibility of extension. In this role, you will design, develop, and maintain back-end applications and enterprise system integrations connecting Salesforce and ERP systems with AWS-hosted databases and applications.

Our client is a U.S. venture studio that surrounds industry subject matter experts with senior technical talent to build AI-native software solving real-world problems as well as consulting services to propel software companies along their AI journey.

Responsibilities

• Design, develop, and maintain back-end applications and services using Python
• Build and manage integrations between Salesforce, Rootstock ERP (or similar), and AWS-based databases
• Work with third-party APIs and SDKs to establish reliable communication between enterprise applications
• Develop business logic and data processing workflows to support operational requirements
• Design and implement RESTful APIs and integration services
• Ensure secure data exchange, authentication, authorization, and error handling across integrated systems
• Optimize application performance, reliability, and scalability
• Write maintainable, testable, and well-documented Python code
• Troubleshoot integration issues, API failures, and data synchronization problems
• Collaborate with Data Engineers and Front-End Engineers to deliver integrated solutions
• Use AI-assisted coding tools, such as Claude Code, to accelerate development while independently validating generated code, implementing business logic, and ensuring solution quality

Required Experience

• Excellent English communication skills and ability to work effectively with technical and business stakeholders
• 1+ years of professional software development experience, with expertise in Python
• knowledge of Python programming, object-oriented design, and software engineering best practices
• Experience designing, developing, and consuming RESTful APIs
• Experience using Python SDKs and third-party libraries to integrate enterprise applications
• Experience with Salesforce APIs and integrations
• Hands-on experience working with AWS cloud services and AWS-hosted databases
• SQL skills and experience working with relational databases
• Experience implementing authentication, authorization, secure API communication, and production-level security practices
• Experience with asynchronous processing, error handling, logging, and integration monitoring