Senior Python Engineer
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Job description
Description
MWDN is a global IT outstaffing company with 23+ years of experience that connects exceptional tech talent with leading companies across Israel, the USA, Great Britain, and Western Europe. We offer opportunities to work on international products in a stable and professional environment.
Why does MWDN rock?
Here’s what you can expect when you join MWDN:
- Security: We carefully vet our clients to minimize risks and ensure reliability and timely payments - no fraud or unpleasant surprises.
- Career support: If a project isn’t the right fit, we support you and actively help find new opportunities that match your skills and career goals.
- Legal assistance: We provide guidance on legal matters, including opening and managing your independent contractor or sole proprietorship status, taxes, and related processes.
- Professional development: We offer English courses and professional growth opportunities, as well as team-building events.
Why choose us? MWDN is ranked among the top 5 IT employers in our region according to DOU. We take pride in our transparency and strong commitment to our team. Curious to learn more? See what our employees say about working with us on DOU.
What is your new project?
Domain: AI / Enterprise Software
Client Location: Switzerland
Company size: 2–10 employees
Founded in: 2026
Our client is developing an enterprise-grade AI infrastructure platform for the financial services industry. It is a small, engineering-driven team looking for a developer who can take ownership of product and infrastructure initiatives end to end, work closely with technical leadership, and deliver high-quality solutions in a fast-paced environment.
What makes this project exciting?
We are looking for a high-agency, self-directed software engineer with excellent engineering fundamentals. The primary work is building and optimizing a Python/FastAPI backend that interacts efficiently and reliably with PostgreSQL. The ideal candidate can reason about systems, diagnose bottlenecks, make sound architecture decisions, and deliver complete features from design through testing and deployment.
What makes you a great fit
- Strong production Python development (5+ years), including backend services and APIs (FastAPI preferred).
- Solid PostgreSQL expertise: schema and data modeling, SQL, indexing, query planning, transaction behavior, and performance tuning.
- Systems engineering fundamentals: Linux/server environments, networking basics, concurrency, resource utilization, reliability, profiling, and debugging.
- Sound software architecture and engineering judgment: maintainable code, testing, observability, deployment, and scalability.
- End-to-end ownership: independently scope, implement, validate, and ship features; communicate clearly and work directly with founders.
- Practical, effective use of AI coding tools (Claude Code, Codex, or similar), with strong review and verification habits.
Nice-to-have skills
- Model Context Protocol (MCP), AI agents, agent observability/tracing, or AI memory systems.
- Kubernetes, containers, cloud infrastructure, or infrastructure automation.
- Go (used in parts of our CLI tooling).
- Frontend engineering with React and TypeScript; Node.js familiarity.
Your day-to-day in this position
- Design, develop, and maintain backend services and APIs using Python.
- Work with databases to ensure data integrity, query efficiency, and reliable performance.
- Investigate technical issues, identify bottlenecks, and implement improvements to system performance and stability.
- Build scalable, maintainable software solutions.
- Write, test, review, and deploy code, ensuring quality and reliability throughout the development lifecycle.
- Collaborate directly with technical stakeholders to clarify requirements, propose solutions, and deliver features end to end.
- Identify opportunities to improve existing systems, development workflows, and engineering practices.
- Leverage AI-powered development tools to improve productivity while maintaining high code quality and correctness.
Why work with us?
- People-first management with minimal bureaucracy
- A friendly company culture, proven by employees who choose to return
- Flexible working hours
- 29 days of PTO (18 working days per year pluse all national holidays)
- 10 paid recovery days
- Full financial and legal support for independent contractors
- Free English classes, with native speakers or Ukrainian teachers
- Dedicated HR support
Our next steps
✅ Intro call with a Recruiter — ✅ Intro with the client — ✅ Tech interview — ✅ Home assignment — ✅ Final client interview— ✅ Offer
Originally posted on Himalayas
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