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Hallmark Global Solutions Ltd · Wilmington, DE

Python Developer

executivecontractPosted yesterday
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pythonmicroservicesdevopsci/cdfastapiflaskdjangosqlpostgresqlmysqlnosqlmongodbdynamodbredisgitpytestdockerjavaawsopenai

We are looking for an experienced Python Software Engineer to design, develop, and maintain scalable, high-performance software solutions. The ideal candidate should have strong hands-on expertise in Python development, backend engineering, API development, cloud technologies, and modern software engineering practices.

Key Responsibilities

- · Design, develop, test, and maintain scalable applications and backend services using Python.

- · Build robust and reusable components, APIs, microservices, and integrations.

- · Develop RESTful APIs and integrate with internal and external systems.

- · Write clean, maintainable, well-tested, and production-ready code.

- · Troubleshoot complex technical issues and optimize application performance.

- · Work with databases, data models, caching, and asynchronous processing.

- · Implement secure coding practices, authentication, authorization, and API security.

- · Collaborate with Product Managers, Architects, DevOps, QA, and other engineering teams.

- · Participate in code reviews, technical design discussions, and architecture decisions.

- · Develop automated unit, integration, and functional tests.

- · Work with CI/CD pipelines and modern DevOps practices.

- · Monitor applications in production and support troubleshooting and root-cause analysis.

- · Contribute to technical documentation and engineering best practices.

Required Skills

- · Advanced proficiency in Python with strong knowledge of Python 3.x.

- · Strong understanding of object-oriented programming, data structures, algorithms, and design patterns.

- · Experience with Python frameworks such as FastAPI, Flask, or Django.

- · Strong experience developing REST APIs and microservices.

- · Good understanding of SQL and relational databases such as PostgreSQL, MySQL, or Oracle.

- · Experience with NoSQL databases such as MongoDB, DynamoDB, or Redis is preferred.

- · Strong knowledge of Git and version-control practices.

- · Experience with unit testing frameworks such as PyTest or unittest.

- · Knowledge of asynchronous programming using asyncio and related Python frameworks.

- · Experience with Docker and containerized application development.

- · Understanding of CI/CD and DevOps practices.

- · Strong debugging, problem-solving, and performance-optimization skills.

Core expectations (must have exposure across all):

- Software engineering: Proficiency in Python (preferred) or Java, with solid fundamentals (clean coding, testing, APIs, debugging, performance, and maintainability).

- Cloud engineering: Working knowledge of at least one public cloud provider—AWS preferred—including hands-on familiarity with deploying/running services, IAM/security basics, logging/monitoring, and common managed services.

- AI/ML exposure: Practical exposure to AI/ML concepts and workflows (e.g., model integration patterns, basic ML lifecycle understanding, evaluation basics), sufficient to ramp into agent development with minimal hand-holding.

Preferred experience (strong differentiators):

- Hands-on experience integrating with frontier model APIs (e.g., OpenAI or similar), including prompt design, tool/function calling, streaming, and reliability/cost considerations.

- Familiarity with advanced agent architecture concepts such as memory, guardrails/assurance, and MCP (Model Context Protocol) or similar patterns for tool interoperability.

- Experience with conversational/agent frameworks or platforms, such as LangGraph, CrewAI, Rasa, Decagon, or equivalent orchestration frameworks, including building multi-step workflows and tool-based agents

Education & Experience

- · Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related field.

- · Typically 5+ years of software engineering experience, with strong hands-on Python development experience.

- · Experience working in Agile/Scrum development environments.

- · Strong communication and collaboration skills.

- · Ability to independently analyze complex technical problems and deliver scalable solutions.

Nice to Have

- · Experience designing highly scalable distributed systems.

- · Knowledge of system design and software architecture.

- · Experience with event-driven and asynchronous architectures.

- · Experience in financial services, enterprise applications, or other large-scale environments.

- · Exposure to security, observability, and performance engineering.

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