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Lead Software Engineer (Python)

Innovative Interfaces Inc

Innovative Interfaces Inc

Software Engineering
Belgrade, Serbia
Posted on Feb 6, 2026

Are you passionate about building robust Python applications and leveraging big data technologies to solve complex business challenges? Do you thrive in environments where your technical expertise drives meaningful impact? We are seeking an experienced a Lead Software Engineer (Python) to join our dynamic LSH Data Platform Team. You will play a pivotal role in designing, developing, and maintaining Python-based data processing applications and services that support scalable big data solutions. If you're excited about combining deep Python skills with cutting-edge technologies like Apache Spark, PySpark, GraphDB, GraphQL, SQL, and relational databases, we want to hear from you.

­About You – experience, education, skills, and accomplishments

  • 5 years’ python software development, to include, 3 years in CI/CD, SQL and database design, 2 years with Spark/PySpark, and 1 year using Airflow and graph databases (Neo4j/AWS Neptune).
  • 3 years of experience developing and deploying solutions on cloud platforms, particularly AWS (S3, ECS, EMR, Glue, RDS).
  • Proficiency in English
  • Bachelor's degree in relevant field and/or relevant work experience

It would be great if you also have . . .

  • Practical experience with Databricks and Snowflake.
  • Exposure to Cassandra, Hadoop, Apache Hive.

What will you be doing in this role?

  • Guide the development team in implementing Python-based solutions, ensuring alignment with business requirements, performance standards, and scalability best practices.
  • Design, build, and maintain scalable Python applications for data processing, transformation, and analytics.
  • Utilize strong proficiency in SQL and relational database concepts to design efficient data models, optimize queries, and manage data quality.
  • Implement and uphold best practices in Python software development, testing, and CI/CD pipelines.
  • Leverage Apache Spark, PySpark, and related big data technologies to develop distributed data processing pipelines.
  • Stay current with evolving Python, and big data ecosystem technologies, recommending improvements and new approaches to enhance our data platform and mentor junior developers, facilitate knowledge sharing sessions, and foster a culture of continuous learning within the team.

About the Product

The LS&H Data Platform Team is responsible for building end‑to‑end ETL pipelines that move data from internal systems into the central data lake. On top of this foundation, the team develops a variety of data‑driven tools and interfaces, including APIs, BI dashboards, SvTP, and other solutions that enable efficient access to high‑quality data across the organization.

About the Team

LSH Data Platform Team is in Europe, has 7 engineers, QA, Product Owner and a Manager. With this team you will have meaningful impact, directly contribute to advancements in the Life Sciences industry, accelerating processes from drug discovery through commercialization.

Benefits

  • Holidays: 25 days paid leave per annum

  • Private Health Insurance

  • Paid Lunch

  • Yearly Bonus

  • Yearly Merit Plan

  • My Learning Platform

  • Mental Healthcare

  • Fit Pass

  • Life Insurance

  • Accident Insurance

  • Company bicycles for rent free of charge

Hours of work

This is a permanent full-time position, with core engagement hours within CET time zone. This is a hybrid position, you will be expected to work from our Belgrade office 3 days every other week.

Please note that only shortlisted candidates will be contacted.

#LI-Hybrid

At Clarivate, we are committed to providing equal employment opportunities for all qualified persons with respect to hiring, compensation, promotion, training, and other terms, conditions, and privileges of employment. We comply with applicable laws and regulations governing non-discrimination in all locations.