Python Developer

Photon; Wilmington (DE); On-site; USD 120,000 - 150,000; Full time

Job summary

Photon is seeking an experienced Python Software Engineer to design, develop and maintain scalable backend services. You will build RESTful APIs, microservices, and integrations, with strong emphasis on Python, async processing, and cloud-based deployments.

You will collaborate with product managers, architects, DevOps, QA, and other engineers, participate in code reviews, implement tests, and contribute to documentation and best practices.

Qualifications

• 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.
• Experience working with at least one major cloud platform: AWS, Azure, or GCP.
• Understanding of cloud-native application development and distributed systems.
• Experience with messaging/event‑driven technologies such as Kafka, RabbitMQ, or SQS is preferred.
• Familiarity with Kubernetes and container orchestration is a plus.
• Exposure to observability tools, logging, monitoring, and application performance management.

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.

Skills

Python

OOP concepts

Python frameworks

REST APIs

SQL databases

NoSQL databases

Git

Unit testing

Asyncio

Docker

CI/CD

Cloud platforms

Messaging systems

Kubernetes

Observability

Education

Bachelor's or Master's in CS/Engineering/IT

Tools

PostgreSQL

MySQL

Oracle

MongoDB

DynamoDB

Redis

Git

PyTest

Job description

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.
• Experience working with at least one major cloud platform: AWS, Azure, or GCP.
• Understanding of cloud‑native application development and distributed systems.
• Experience with messaging/event‑driven technologies such as Kafka, RabbitMQ, or SQS is preferred.
• Familiarity with Kubernetes and container orchestration is a plus.
• Exposure to observability tools, logging, monitoring, and application performance management.

AI / Agentic AI – Preferred

• Exposure to Generative AI, LLMs, or AI‑enabled applications is preferred.
• Experience integrating LLM APIs or AI services into Python applications is a plus.
• Familiarity with frameworks such as LangChain, LangGraph, OpenAI SDK, or similar agentic AI frameworks is desirable.
• Understanding of API‑based integration with AI/ML platforms and model‑serving infrastructure is an advantage.

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

• 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.