The company provided outstaffed developers for client software projects. I collaborated with multiple clients and projects, primarily as a senior developer and occasionally as a lead developer for smaller teams. The company's clients were based in Europe and the US, allowing me to work with international teams across different time zones. Key achievements in this role include:

• Strengthened remote working skills by collaborating with international teams from diverse locations
• Enhanced communication skills through direct interaction with clients
• Developed technical planning skills by understanding how software meets real-world needs across various business domains
• Improved teamwork abilities by working with teams of different sizes on diverse projects
• Gained experience in developing software within a microservices architecture
• Increased expertise in integrating applications with third-party tools and other internal services
• Enhanced code-reviewing skills through senior-level responsibilities on projects
• Advanced software design skills by creating infrastructure on some projects and collaborating closely with software architects on others
• Developed proficiency with cloud services by contributing to multiple cloud-based projects
• Strengthened Agile skills through active participation in projects following Agile methodologies

Worked as a mid-level developer in a team of 15-20 members, contributing to multiple projects written in Python, both maintaining an existing product and developing a new one from scratch. Key achievements in this role include:

• Strengthened teamwork skills by collaborating closely with other developers on projects
• Actively contributed to the development of a new HR management product from the ground up
• Enhanced technical planning skills by making critical decisions for the new product and discussing them with team members
• Gained valuable remote working experience by collaborating in a fully remote, international team
• Acquired skills in analyzing large legacy codebases
• Improved test-driven development (TDD) skills by applying this approach in the new product
• Built experience with cloud infrastructure

Worked as a mid-level developer in a team of 5-10 members, contributing to the maintenance and enhancement of the company's website, which served over 100K customers and offered transportation services. The role also involved supporting various administrative applications for managing transportation and warehousing. Key achievements in this role include:

• Strengthened problem-solving skills by working on a high-traffic product with a large customer base
• Developed a REST API backend to support the website and multiple apps (iOS & Android)
• Built backend REST APIs for administrative functions and developed several internal applications
• Gained expertise in code modularization by segmenting a large codebase into smaller, more manageable modules
• Increased application performance by optimizing database queries
• Developed supervisory skills by mentoring junior team members and reviewing their code
• Improved automated testing skills by implementing unit tests in a previously untested codebase
• Enhanced communication skills through direct collaboration with business stakeholders to define technical requirements
• Expanded proficiency with essential tools, including CI/CD, Git, databases, and CDNs

Worked as a junior developer under the guidance of senior team members, contributing to various client projects to develop tailored software solutions. Key achievements in this role include:

• Gained experience in translating real-world business needs into software solutions
• Developed proficiency with essential software development tools, including version control systems (Git), Docker, CI/CD, and IDEs (Visual Studio Code, PyCharm)
• Created multiple static and dynamic websites for client projects
• Improved skills in refining code based on team feedback