Software Developer - Python Developer

• Develop multi-tenant authentication: OAuth2, JWT, SSO (OIDC), RBAC middleware

• Create A2A agent integration: OpenAI/Anthropic wrappers, metrics collection, agent lifecycle management

• Design federation logic: Redis pub/sub, mDNS discovery, peer health checks, cross-cluster tool aggregation

• Implement multi-transport protocols: SSE, WebSocket, stdio, streamable-HTTP with session management
Code Quality & Testing
• Write comprehensive tests: pytest unit tests, integration tests, end-to-end tests

• Achieve and maintain 90%+ test coverage on all code contributions

• Follow strict linting standards: Black (formatting), mypy strict (type checking), Ruff, Pylint

• Participate in code reviews: provide constructive feedback and learn from senior engineers

• Write clear documentation: docstrings, API documentation, architectural decision records
Technology Stack
• FastAPI for building high-performance async REST APIs

• SQLAlchemy 2.0 for database ORM with PostgreSQL/SQLite

• Alembic for database migrations

• Redis for caching and federation pub/sub

• Async Python patterns for concurrent request handling

• pytest for comprehensive testing with fixtures and mocks
Collaboration
• Work with Engineering Manager and senior engineers to translate requirements into implementation

• Collaborate with Product Manager to understand feature specifications and acceptance criteria

• Participate in daily standups, sprint planning, and retrospectives

• Contribute to technical discussions and architecture decisions

• Help maintain and improve CI/CD pipelines and development tooling

Required education

Bachelor's Degree

Preferred education

Master's Degree

Required technical and professional expertise

Python Development (2-4 years)
• Few years of software development experience in Python

• Strong understanding of Python 3.11+ features: type hints, async/await, dataclasses

• Experience with FastAPI or similar async web frameworks (Flask, Django, Starlette)

• Knowledge of RESTful API design and JSON-RPC protocol patterns

• Understanding of database concepts: SQL, ORM patterns, migrations, indexing
Web Services & APIs
• Experience developing integration solutions with web service APIs using REST/JSON

• Understanding of authentication mechanisms: OAuth2, JWT, API keys

• Knowledge of HTTP protocol: methods, headers, status codes, content negotiation

• Familiarity with API documentation tools: OpenAPI/Swagger, Postman
Development Practices
• Proficiency with version control: Git workflows, branching, pull requests, code reviews

• Experience with automated testing: unit tests, integration tests, test fixtures, mocking

• Understanding of CI/CD concepts: automated builds, test pipelines, deployment automation

• Ability to debug complex issues using logging, debuggers, and profiling tools
System Knowledge
• Working knowledge of Linux environments and bash/sh shell scripting and Makefiles

• Basic understanding of networking: HTTP/HTTPS, DNS, firewalls, proxies

• Familiarity with containerization: Docker basics, container networking

• Understanding of relational databases: PostgreSQL or SQLite
Professional Skills
• Ability to learn quickly and adapt to new technologies and frameworks

• Strong problem-solving skills and attention to detail

• Good communication skills for team collaboration and documentation

• Ability to work independently and manage time effectively

• Eagerness to receive and provide constructive feedback

Preferred technical and professional experience

Advanced Python Skills
• Experience with async Python: asyncio, aiohttp, async context managers

• Knowledge of Python packaging and dependency management: pip, uv, poetry

• Familiarity with Python performance optimization and profiling

• Experience with Python type checking: mypy, Pydantic, type stubs
Distributed Systems
• Understanding of distributed system concepts: caching, message queues, service discovery

• Experience with Redis for caching or pub/sub messaging

• Knowledge of microservices architecture patterns

• Familiarity with API gateway or proxy technologies
AI/ML Infrastructure
• Interest in AI infrastructure, agentic systems, or LLM applications

• Experience with OpenAI API, Anthropic API, or similar AI service integrations

• Knowledge of prompt engineering or AI agent orchestration

• Understanding of observability for AI systems: metrics, tracing, telemetry
Security & Best Practices
• Understanding of security best practices: input validation, SQL injection prevention, secrets management

• Knowledge of authentication/authorization patterns: OAuth2 flows, RBAC, JWT validation

• Familiarity with security scanning tools: Bandit, pip-audit

• Understanding of OWASP Top 10 vulnerabilities

ABOUT BUSINESS UNIT

IBM Software infuses core business operations with intelligence-from machine learning to generative AI-to help make organizations more responsive, productive, and resilient. IBM Software helps clients put AI into action now to create real value with trust, speed, and confidence across digital labor, IT automation, application modernization, security, and sustainability. Critical to this is the ability to make use of all data, because AI is only as good as the data that fuels it. In most organizations data is spread across multiple clouds, on premises, in private datacenters, and at the edge. IBM's AI and data platform scales and accelerates the impact of AI with trusted data, and provides leading capabilities to train, tune and deploy AI across business. IBM's hybrid cloud platform is one of the most comprehensive and consistent approach to development, security, and operations across hybrid environments-a flexible foundation for leveraging data, wherever it resides, to extend AI deep into a business.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you'll be able to learn and develop yourself and your career, you'll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM's greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we're also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it's time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

For additional information about location requirements, please discuss with the recruiter following submission of your application.

Client-provided location(s): Dublin, Ireland

Job ID: IBM-71800

Employment Type: OTHER

Posted: 2025-11-07T18:48:21