Big Data Engineer

Sigma Software Group is a global IT consulting company that provides top-quality custom software development, graphic design, testing, and support services to a wide range of industries.

Sigma Software

Employee count: 1001-5000

Brazil only

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Develop and maintain ETL pipelines and data integration services using Python and SQL
Work with AWS services (S3, DynamoDB, Lambda, Glue) and NoSQL databases (MongoDB, DynamoDB)
Design, optimize, and validate data flows, ensuring data quality across systems
Collaborate with Senior engineers on architecture and performance improvements
Troubleshoot production data issues and perform root cause analyses.
Contribute to the continuous improvement of development practices and performance monitoring

2-4 years of experience as a Data Engineer or Back-end Developer
Strong hands-on experience with Python and SQL
Experience with AWS data services (S3, DynamoDB, Lambda, Glue)
Familiarity with NoSQL databases and API integrations
Basic understanding of PySpark or similar distributed frameworks
Analytical mindset and proactive problem-solving skills
Fluent in English (Upper-Intermediate level or higher)

WILL BE A PLUS

Experience with Airflow or other orchestration tools
Interest in big data performance tuning and cloud optimization

PERSONAL PROFILE

Strong communication and collaboration skills
Self-motivated, responsible, and able to work independently

Join the AdTech Competence Center at Sigma Software, a team of over 300 experts who deliver innovative, high-load, and data-driven advertising technology solutions. Since 2008, we’ve been helping leading AdTech companies and startups design, build, and scale their technology products.

We focus on fostering deep domain expertise, building long-term client partnerships, and growing together as a global team of professionals who are passionate about AdTech, data, and cloud-based solutions.

Does this sound like an exciting opportunity? Keep reading, and let’s discuss your future role!

CUSTOMER

Our client is an international AdTech company that develops modern, privacy-safe, and data-driven advertising platforms. The team works with AWS and other cutting-edge data technologies to build scalable, high-performance systems.

PROJECT

The project revolves around the development of a next-generation AdTech platform that powers real-time, data-driven advertising. It leverages AWS, Python, and distributed data frameworks to process large-scale datasets efficiently and securely, enabling businesses to make smarter, faster, and more informed marketing decisions.

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About the job

Apply before

Dec 30, 2025

Posted on

Oct 31, 2025

Job type

Full Time

Experience level

Mid-level

Senior

Location requirements

Brazil

Hiring timezones

Brazil +/- 0 hours

About Sigma Software

Learn more about Sigma Software and their company culture.

View company profile

At the heart of Sigma Software Group lies a culture deeply rooted in Scandinavian values, emphasizing mutual respect, transparency, and a minimal hierarchy. This foundation fosters an environment where every voice is heard and valued, empowering our team of over 2000 IT experts to innovate and excel. Since our inception in 2002, our mission has been to build long-term, synergistic relationships not just with our clients, but with our employees as well. We believe that the key to delivering top-quality, value-adding IT services is a team that feels supported, inspired, and driven by a shared passion for finding better solutions. Our culture is one of perseverance, coupled with exceptional client management and strong engineering principles, which has been the cornerstone of our success and sustained growth on the global stage.

Our commitment extends beyond delivering cutting-edge software solutions. We are dedicated to nurturing the growth of the IT ecosystem through our educational platform, Sigma Software University, and fostering the next generation of tech innovators via our corporate venture fund, Sigma Software Labs. This holistic approach reflects our core belief in the power of collaboration and knowledge sharing. We actively encourage our specialists to pursue professional development, offering a continuous education program and a multitude of knowledge-sharing events. This dedication to growth, combined with a flexible work-life balance and a strong sense of community, defines who we are. We are more than just a technology partner; we are a collective of passionate individuals working together to create a better tomorrow, driven by a constant quest for innovation and a commitment to making a positive impact on the world.

Tech stack

Learn about the tools and technologies that Sigma Software uses to build, market, and sell its products.

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JavaScript

iOS

Protobuf

Blockchain

Google Cloud Platform

Docker

Sigma Software employees can create an account to update this tech stack.

Employee benefits

Learn about the employee benefits and perks provided at Sigma Software.

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Discount program

Access to a discount program.

Flexible schedule

Organize your work schedule in a way that suits you.

Remote or office work

You can choose to work from one of our outstanding offices or remotely.

Legal support

24/7 call center for legal advice and urgent lawyer assistance in case of an incident.

View Sigma Software's employee benefits

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Please let Sigma Software know you found this job on Himalayas. This helps us grow!

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