Duosasinos
We are
Duos Asinos , a growing company founded and based in Belgrade.
Our partner
is a
North American , innovative,
worldwide
renowned
front-runner
in its industry , with a
large user base . We are seeking a
Senior Python Developer
with a
deep understanding of legacy systems and code
to help us maintain and enhance infrastructure supporting 40 million users each week. In this role, youll be responsible for working with existing systems, improving and extending their functionality, and ensuring they remain efficient, scalable, and adaptable. Youll collaborate closely with
data scientists
to incorporate
machine learning models
into production environments and focus on optimizing business intelligence and data acquisition processes. Your
expertise
in maintaining
legacy systems
while designing future-proof solutions will be critical to achieving our business objectives. What Were Looking For: 5+ years of experience in Python development. Strong expertise in core Python libraries (Pandas, NumPy, Matplotlib, Seaborn, Scikit-learn). Proficient in SQL with a solid understanding of data structures, software design patterns, and object-oriented programming (OOP). Experience with web frameworks like Flask, Django, or FastAPI. Knowledge of relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB). Familiarity with Big Data techniques, distributed computing, data lakes, and ETL processes. Experience working with US clients and understanding IT compliance and security standards. Nice to Have: Familiarity with Big Data platforms and data warehousing solutions (e.g., Databricks, Redshift, Snowflake, BigQuery). Experience with cloud platforms (AWS, Azure, Google Cloud). Knowledge of DevOps practices such as CI/CD and MLOps. Experience in building REST APIs and deploying machine learning models. Requirements: 5+ years of experience working with Python and SQL. Proven track record of designing, scaling, and optimizing infrastructure systems, especially in the context of legacy code. Excellent communication skills to collaborate with cross-functional teams. Strong problem-solving skills and ability to work independently on long-term projects. A growth mindset with a passion for staying up-to-date on industry trends and emerging technologies. Creative problem-solving skills and the ability to work with legacy systems to design modern solutions. What we are offering: Generous and flexible off-days. Paid sick leave. Main and additional equipment. Social events. Support for new parents. Opportunity to apply your skills and learn new ones. If youre interested to hear more about our company and this project, please feel free to apply. We would be happy to meet you and give all the necessary info about this role! Only shortlisted candidates will be contacted. #J-18808-Ljbffr
Duos Asinos , a growing company founded and based in Belgrade.
Our partner
is a
North American , innovative,
worldwide
renowned
front-runner
in its industry , with a
large user base . We are seeking a
Senior Python Developer
with a
deep understanding of legacy systems and code
to help us maintain and enhance infrastructure supporting 40 million users each week. In this role, youll be responsible for working with existing systems, improving and extending their functionality, and ensuring they remain efficient, scalable, and adaptable. Youll collaborate closely with
data scientists
to incorporate
machine learning models
into production environments and focus on optimizing business intelligence and data acquisition processes. Your
expertise
in maintaining
legacy systems
while designing future-proof solutions will be critical to achieving our business objectives. What Were Looking For: 5+ years of experience in Python development. Strong expertise in core Python libraries (Pandas, NumPy, Matplotlib, Seaborn, Scikit-learn). Proficient in SQL with a solid understanding of data structures, software design patterns, and object-oriented programming (OOP). Experience with web frameworks like Flask, Django, or FastAPI. Knowledge of relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB). Familiarity with Big Data techniques, distributed computing, data lakes, and ETL processes. Experience working with US clients and understanding IT compliance and security standards. Nice to Have: Familiarity with Big Data platforms and data warehousing solutions (e.g., Databricks, Redshift, Snowflake, BigQuery). Experience with cloud platforms (AWS, Azure, Google Cloud). Knowledge of DevOps practices such as CI/CD and MLOps. Experience in building REST APIs and deploying machine learning models. Requirements: 5+ years of experience working with Python and SQL. Proven track record of designing, scaling, and optimizing infrastructure systems, especially in the context of legacy code. Excellent communication skills to collaborate with cross-functional teams. Strong problem-solving skills and ability to work independently on long-term projects. A growth mindset with a passion for staying up-to-date on industry trends and emerging technologies. Creative problem-solving skills and the ability to work with legacy systems to design modern solutions. What we are offering: Generous and flexible off-days. Paid sick leave. Main and additional equipment. Social events. Support for new parents. Opportunity to apply your skills and learn new ones. If youre interested to hear more about our company and this project, please feel free to apply. We would be happy to meet you and give all the necessary info about this role! Only shortlisted candidates will be contacted. #J-18808-Ljbffr