Senior Python Developer (US)

OpenKrill; United States; Remote; USD 125,000 - 145,000; Full time

Benefits offered by this job

Health coverage

Fully remote

Job summary

OpenKrill is seeking a Senior Python Developer to design and build backend applications, APIs, and AI-enabled software for clients. You’ll own software from design through production, working on Python development, API design, architecture, integrations, and cloud deployments.

You’ll work closely with product managers, engineers, QA, and stakeholders to deliver features and solutions, including LLM integration, vector databases, and retrieval capabilities.

Qualifications

• 5+ years of professional software development, primarily in Python, with backend and architecture fundamentals.
• Experience designing RESTful APIs and building microservices, with secure auth.
• Experience deploying on AWS and CI/CD, with production monitoring and testing.
• Strong SQL and data modeling skills; data processing workflows including JSON parsing and transformation.
• Hands-on experience integrating LLMs into production applications, with retrieval/RAG patterns and vector databases.

Responsibilities

• Design, build, test, and maintain Python applications, backend services, RESTful APIs, and microservices.
• Own production software through full lifecycle from design to deployment and support.
• Integrate third-party services, databases, and LLMs with secure authentication for APIs.
• Implement LLM integration patterns and retrieval capabilities, including vector DBs and RAG.
• Build data processing workflows and structured output generation.
• Contribute to CI/CD, automated testing, deployment, monitoring, and logging, troubleshooting production issues.
• Improve performance, reliability, scalability, and maintainability.
• Collaborate with product, QA, DevOps, and stakeholders; evaluate new technologies.

Skills

Python

API design

AWS

CI/CD

LLMs

Vector databases

Retrieval

Microservices

Security/Auth

Data processing

Tools

RESTful APIs

AWS Bedrock

CI/CD tools

Cloud deployments

JSON parsing

Vector databases

RAG patterns

Job description

We’re looking for a Senior Python Developer to build backend applications, APIs, and AI-enabled software for our clients. You’ll own software from design through production, working on Python development, API design, application architecture, integrations, and cloud deployments. You’ll also integrate LLMs, vector databases, and retrieval capabilities into production applications.

You’ll work closely with product managers, engineers, QA, and other stakeholders to deliver features and solutions.

We are 100% remote, but candidates must reside in and be authorized to work in the US.

Responsibilities

• Design, build, test, and maintain Python applications, backend services, RESTful APIs, and microservices.
• Own production software through its full lifecycle, driving initiatives independently from design through deployment and support.
• Integrate third-party services, databases, and LLMs, and implement secure authentication and authorization for APIs and services.
• Implement LLM integration patterns and retrieval capabilities, including RAG architectures and vector databases.
• Build data processing workflows, including JSON parsing, document transformation, data extraction, and structured output generation.
• Contribute to CI/CD pipelines, automated testing, deployment, monitoring, and logging, and troubleshoot production issues across applications, APIs, integrations, and infrastructure.
• Improve application performance, reliability, scalability, and maintainability.
• Collaborate with product, QA, DevOps, and business stakeholders, and evaluate new technologies where they offer meaningful improvements.

Qualifications

• 5+ years of professional software development, primarily in Python, with strong backend, object-oriented, and application architecture fundamentals.
• Experience designing RESTful APIs and building microservices, including secure authentication and authorization.
• Experience developing and deploying applications on AWS (or a comparable cloud platform), with working knowledge of CI/CD, automated testing, monitoring, and logging in production.
• Solid grounding in relational databases, SQL, and data modeling, plus data processing workflows such as JSON parsing, document transformation, and structured output generation.
• Hands-on experience integrating LLMs into production applications, including retrieval/RAG patterns and vector databases. At least one LLM-powered feature shipped to production. AWS Bedrock experience preferred; similar platforms are fine.
• Strong debugging and problem-solving skills across applications, integrations, and infrastructure.
• Clear communicator who works well in an Agile, cross-functional team and can own complex initiatives independently.

Nice to Have

• Experience developing GenAI or LLM-powered applications.
• Experience with agentic AI frameworks or AI agent development.
• Experience with AgentCore runtime and associated services.
• Experience with document processing, PDF extraction, computer vision, or other data extraction technologies.
• Experience optimizing applications for performance, latency, scalability, and cost efficiency.

Compensation and BenefitsThis is a remote, full-time W2 position.

• Base salary: $125,000 to $145,000, based on experience, technical expertise, and overall qualifications. This covers a standard 40-hour week.
• Optional paid overtime: Overtime is never required, but any hours you choose to work beyond 40 in a week are paid at an overtime rate.
• 401(k) with company match: We match up to 4%.
• Health coverage: Medical, dental, and vision for you and your family, with 90% or more of your deductible covered.
• Fully remote: We’ve always been 100% remote.

As an equal opportunity employer, JBS does not discriminate in hiring or terms and conditions of employment on the basis of any federal, state, or locally protected class. JBS only hires individuals authorized for employment in the United States on a W2 basis.