Python Engineer (with opportunity growth to Tech Lead)

We are looking for a Python Engineer for our client — a global FinTech product
company developing cutting-edge trading technology solutions for regulated
brokers and trading firms. Their SaaS products power electronic trading,
brokerage operations, risk management, and financial data analysis worldwide.


MAIN RESPONSIBILITIES:

• Design and develop high-performance, scalable microservices and APIs from
scratch and improve existing ones

• Lead architecture discussions and propose improvements in service design,
performance, and scalability

• Conduct thorough code reviews and perform critical refactoring to ensure code
quality and maintainability

• Implement high-performance services using asynchronous programming techniques
(asyncio, async frameworks)

• Work extensively with PostgreSQL for database design, optimization, and
maintenance, including advanced query tuning

• Oversee the integration of message brokers (RabbitMQ, Redis) and asynchronous
task queues (Celery, APScheduler)

• Engage in customer meetings and collaborate directly with stakeholders
to shape technical solutions and product direction

• Drive CI/CD and DevOps improvements in collaboration with infrastructure teams

• Contribute directly to backend and infrastructure code, taking an active role
in product development


MUST TO HAVE:

• 4+ years of professional software development experience

• Proven expertise in Python, capable of writing clean, efficient, and scalable
code in large codebases

• Demonstrated experience designing and building microservices architectures
in production environments

• Deep proficiency in Python and modern frameworks (FastAPI, Django, Django REST
Framework)

• Strong knowledge of asynchronous programming and the asyncio ecosystem

• Solid experience with PostgreSQL, including query optimization and advanced
indexing

• Experience with RabbitMQ, Redis, and task scheduling frameworks such as Celery
or APScheduler

• Hands-on experience with Docker and containerized deployments

• Proficient in GitLab and CI/CD pipelines

• Familiarity with cloud infrastructure (GCP, AWS or similar)


NICE TO HAVE:

• Experience with gRPC or WebSockets for real-time services

• Familiarity with Kubernetes or other container orchestration tools

• Strong background in unit testing, TDD, and continuous quality assurance

• Knowledge of monitoring and logging tools (Prometheus, Grafana, ELK stack)

Ukrainian — C1, English — B1


WHAT IN IT FOR YOU:

* Care from Day One: Medical insurance starting immediately (including dental
care, massages, and professional psychological support) — because your
well-being matters.
* Work-Life Balance: 25 days of paid vacation + 30 days of sick leave, so you
can truly rest and recover without stress.
* Energy Investment: Partial reimbursement for sports activities to help you
stay active and energized.
* Continuous Growth: Partial coverage for English or Ukrainian language courses
plus a fixed budget for professional development — choose the learning path
that fits you best.
* Knowledge Library: Access to a well-stocked office library and Kuka online
library to learn, grow, and get inspired.
* Island Retreat: 14 days per year at the company’s corporate villa in Cyprus —
perfect for recharging.
* Modern Offices:
Unit City (Kyiv): Future-ready workspace designed for productivity, resilient
to power outages.
Larnaca (Cyprus): Stylish, comfortable office with open areas, cozy lounges,
and fully equipped meeting rooms.