Lifted, an Upwork Company

#126909 - Senior Full-Stack Software Engineer – Python/Django & AI Integrations

Lifted, an Upwork Company  •  Colombia, CO / Bogotá, CO (Onsite)  •  6 hours ago
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Job Description

We are seeking a Senior Full-Stack Software Engineer to maintain, enhance, and modernize a portfolio of internal business applications supporting candidate and employee lifecycle processes.

This role is primarily focused on Python/Django back-end development, with additional hands-on work in Java/Spring Boot and TypeScript/React. The engineer will also help strengthen enterprise system integrations and support the evolution of applications toward AI-enabled experiences, agent-based workflows, and secure integration with enterprise data.

Enterprise experience strongly preferred.

Key Responsibilities

- Maintain and improve production applications supporting candidate and employee lifecycle workflows.

- Develop and enhance back-end services using Python and Django.

- Develop and support Java and Spring Boot services where required.

- Build and maintain front-end functionality using TypeScript and React.

- Strengthen integrations with enterprise platforms through REST APIs.

- Integrate applications with LLMs, AI assistants, agents, or other generative AI capabilities.

- Implement and maintain secure authentication and authorization patterns.

- Troubleshoot application defects, identify root causes, and implement reliable fixes.

- Improve application scalability, security, maintainability, and user experience.

- Apply appropriate controls for sensitive data, access management, auditability, and AI-enabled application behavior.

- Maintain clear technical documentation and effective JIRA practices.

- Work independently and take ownership of assigned applications, features, integrations, and technical problems.

- Collaborate effectively with technical and business stakeholders.

Qualifications

Must-Have Skills

- Strong hands-on experience with Python and Django.

- Hands-on experience with Java and Spring Boot.

- Strong hands-on experience with TypeScript and React.

- Strong testing, debugging, troubleshooting, and bug-resolution skills.

- Experience integrating applications with LLMs, AI assistants, agents, or other generative AI capabilities.

- Strong experience building or integrating REST APIs.

- Experience with modern authentication and authorization patterns, including OAuth 2.0, token management, scopes, and least-privilege access.

- Familiarity with AI security and governance concepts, including sensitive-data handling, auditability, guardrails, and user-context versus system-context access.

- Good JIRA practices.

- Strong technical documentation skills.

- Strong verbal and written English communication skills.

- Ability to work independently, demonstrate strong ownership, and operate as a self-starter.

Nice-to-Have Skills

- Experience with Workday and/or iCIMS.

- Experience integrating with Workday and/or iCIMS through APIs.

- Hands-on experience developing or supporting Model Context Protocol services or related MCP servers, tools, resources, or prompts.

Additional Information

Required Tools & Platforms

- Python

- Django

- Java

- Spring Boot

- TypeScript

- React

- REST APIs

- OAuth 2.0

- JIRA

Location, Time & Engagement

- Remote contract engagement.

- Open to candidates in approved LATAM sourcing locations.

- CST time-zone coverage is required.

- Full-time allocation of approximately 40 hours per week.

- Current engagement end date is March 31, 2027.

Lifted, an Upwork Company

About Lifted, an Upwork Company

Lifted is the first talent, country and contract agnostic contingent workforce management solution, unifying the ability to source, contract, manage, and pay any type of contingent talent, anywhere in the world. Designed to embed into existing contingent workforce ecosystems, Lifted provides enterprises with global reach, embedded compliance, and a seamless experience across the entire contingent workforce.

Industry
IT & Software
Company Size
201-500 employees
Headquarters
Unknown
Year Founded
2025
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