Position: Expert/Tech Lead Python Developer
Company: JOIDY
Experience required: 5y
English level: upper

Location: Ukraine and EU locations (mainly Poland, Bulgaria, Romania)

**About the project**
You’ll be a part of an innovative digital banking product. The bank is pioneering new horizons for customers with a core mission to create a more financially literate society that can succeed in a thriving economy. This will be achieved by introducing smart financial solutions.We will accelerate digitization and help to reach a cashless society. Providing financial solutions across
industry value chains, we aim to support the growth of all sectors of the economy. By facilitating bankingaccess to segments traditionally considered high-risk, we aim to promote financial inclusion. Using continuous Data Analysis in our AI Engine and our PFM solution, we will help our customers better spendand save money.

**Responsibilities**
● Lead development team;
● Lead and improve the decision-making process in design solution architecture, solution development, architecture and code review;
● Back-end development to meet customer’s business needs and implement component saccording to modern software development environment (cloud-based platforms, microservice
architecture, etc.);
● Develop and review feature design documents and provide inputs/update to specifications for the
solution;
● Design and implement a set of various types of tests (unit, integration, functional, etc);
● Working in an international distributed team in an Agile environment;
● Delivering the product roadmap and plannings;
● To use high coding standards, software best practices and write highly testable, automatable andperformant code over the whole SDLC.
Requirements
● Experience in software development for more than 7 years;
● Excellent knowledge in Computer Science, Computing Theory:
○ Paradigm &amp; Principles (OOP, SOLID, DDD, TDD, BDD);
○ Database theory (RDBMS, NoSQL);
○ Code testing practices;
○ Data structures;
○ Architectural, Enterprise and Design Patterns;
○ Deployment patterns;
○ Security patterns, Reverse engineering resistance, Common attacks types (OWASP);
● Understanding of network interactions:
○ protocols;
○ conventions (e.g. REST, RPC);
○ authentication and authorization flows;
○ standards and practices (e.g. oAuth, JWT);
● Excellent knowledge and experience in Python (more than 5 years);
● Practical commercial experience with:
○ REST API development;
○ Web application frameworks (e.g. Flask, Falcon, Django, Web2py, aiohttp, Tornado)
(more than 4 years);
○ Testing frameworks (e.g. e.g. pyTest, unittest);
○ ORM (e.g. SQLAlchemy) (more than 4 year);
○ RDBMS (e.g PostgreSQL, MySQL/MariaDB, MS SQL) (more than 4 year);
○ NoSQL (e.g. MongoDB, ElasticSearch, CouchDB);
○ Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr);
○ Key-value storages (e.g. Redis, Memcached);
○ Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, AWS SQS, Azure
Service Bus, Google Pub/Sub);
○ Web Servers;
○ Version control systems (GIT);
○ Cloud computing platforms (e.g. AWS, Google Cloud Platform, Microsoft Azure);
○ Integration with 3rd party solutions;
○ Docker;
○ Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo);
○ Builders;

**Experience with:**
○ Leading Team;
○ Troubleshooting, profiling and debugging applications;○ Creation software architecture and design of complex applications, platforms,
microservices solutions;
○ Agile software processes and technologies;
○ Code Review process;
● Fluent English;
Desirable
○ Python;
○ Cloud computing platforms (AWS, GCP, Microsoft Azure);
○ Delivery processes (SAFe, Agile, etc);
Experience with Leading and Supporting medium to large size solution delivery projects;
● Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm);
● Practical commercial experience with:
○ Serverless architecture;
○ Provisioning tools (e.g. Terraform, Ansible);
○ Quality tools (e.g. SonarQube);