Python Developer – Mid/Senior

Sphynx Technology Solutions

Python Developer building Python backend services, APIs, and security-data pipelines for a cybersecurity platform. Integrating scanners, threat intelligence, and SIEM tooling with PostgreSQL, Docker, and CI/CD.

Posted 8/22/2026full-timeAthens • 🇬🇷 GreeceSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in backend service development using Python, with a strong focus on building RESTful APIs, optimizing relational databases, and containerization with Docker. Proven ability to collaborate in agile environments and mentor junior developers while contributing to architectural design and technical documentation.

Highest-signal resume keywords

Python DevelopmentRESTful API DevelopmentPostgreSQL Database ManagementDocker ContainerizationAsynchronous Programming

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

PythonRESTful APIsPostgreSQLDjangoDockerCeleryAsyncioRabbitMQKafkaGit

Soft Skills

CollaborationMentoringCommunication

Tools & Technologies

CI/CDSQLAlchemyAWSAzureKubernetes

Industry Keywords

Agile DevelopmentData IngestionSecurity DataTechnical DesignClean Architecture

Tech Stack

Tools & technologies

AWSAzureCloudDjangoDockerKafkaKubernetesPostgresPythonRabbitMQRedis

About the role

Key responsibilities & impact

Design, develop, test, and maintain backend services and APIs in Python
Build and optimize data ingestion, normalization, and correlation pipelines for security data, including CVE/CPE feeds, scan results, and telemetry
Integrate third-party security tools and external data sources via REST APIs, message queues, and connectors
Contribute to the architecture and technical design of new features from proof-of-concept to production
Write clean, well-documented, and well-tested code and participate in code reviews
Design schemas, optimize queries, and model data using relational databases such as PostgreSQL
Containerize and deploy services using Docker and contribute to CI/CD pipelines
Collaborate with security analysts, frontend engineers, DevOps, and research teams in an agile environment
Mentor junior developers and help raise the engineering bar at senior level
Optionally contribute to EU-funded research and innovation projects, including prototyping and technical reporting

Requirements

What you’ll need

3+ years (mid) / 5+ years (senior) of professional software development experience with Python as your primary language
Strong experience building RESTful APIs with frameworks such as Django
Solid understanding of relational databases, ideally PostgreSQL, and ORMs such as SQLAlchemy
Hands-on experience with Docker and containerised deployments
Experience with asynchronous programming, background task processing such as Celery and asyncio, and message brokers such as RabbitMQ, Kafka, and Redis
Proficiency with Git and modern development workflows, including branching, pull requests, and CI/CD
Strong grasp of software engineering fundamentals: testing with pytest, clean architecture, design patterns, and secure coding practices
Fluency in English, written and spoken
Familiarity with cloud platforms such as AWS, Azure, or OVH/self-hosted environments and infrastructure-as-code
Exposure to Kubernetes or other orchestration platforms

Benefits

Comp & perks

Competitive salary aligned with experience and location
Flexible working arrangements: hybrid in Athens or fully remote in Switzerland
The opportunity to work on a modern cybersecurity product with real impact on critical infrastructure and regulated industries
Involvement in European research and innovation projects alongside academic and industry partners
A collaborative, low-bureaucracy engineering culture with room to own features end-to-end
Continuous learning: conference participation, training budget, and certification support
Modern tech stack and tooling