Name: GDG Sydney Meetup December 2025
Start: 2025-12-03T17:30:00+11:00
End: 2025-12-03T19:45:00+11:00
Location: Mantel Group, Sydney

GDG Cloud Sydney is back for a meetup this December!

Join us for an evening of exciting technical talks, community connections, and knowledge sharing.

Come Hire!
The meetup allocates 10 minutes to people seeking technical jobs or with open roles at their company. If you’re hiring or job hunting, this is your chance to connect with the community.

👉 This meetup is in-person only — there are no plans to stream the event.

Partners
This meetup is organised in partnership with Mantel Group. They harness technologies that transform business operations in the real world. With capabilities spanning Cloud, Data, Digital and Security, they merge emerging technologies with innovative design and industry expertise to enhance your business. With deep technical specialisation and as a leading Amazon, Google and Microsoft cloud partner, the depth and breadth their solutions offer is unparalleled. Mantel Group is your partner for end-to-end digital transformation.

Ranked in Australia's top 10 Best Workplaces by Great Place To Work Australia for four years in a row, Mantel Group is people-focused and upholds strong values. Their culture champions trust, empowerment, and diversity with a lean structure emphasizing collaboration, direct communication, and equity.

Dented Code teaches coding skills that you need to become a full stack developer and help you advance your career, pursue your dream job, or enjoy the freedom of life as a freelancer. – Learn more on their website.

We will also give out two 1-year subscriptions from JetBrains to any of JetBrains' IDEs in a raffle. Winners can choose from tools like IntelliJ IDEA Ultimate, PyCharm, WebStorm, Rider, and more.

Talks
Talk 1: Code that Lasts - Clean Architecture for Flutter
Every great app stands on the foundation of great architecture. Yet, as projects grow, even the best intentions can give way to tangled code and unpredictable systems. In this session, we’ll explore how Clean Architecture can transform your Flutter development, from scattered logic into a beautifully layered, maintainable, and scalable structure.

Join us as we break down each layer, Core, Domain, Data, and Features, to uncover how clear separation of responsibilities can make your codebase more testable, predictable, and collaboration-friendly. Through practical examples and real-world insights, you’ll gain a solid understanding of how to build apps that not only perform well today but remain elegant and adaptable tomorrow.

Expect practical takeaways on:

Structuring Flutter apps with Clean Architecture principles

Managing complexity across multiple features and teams

Designing code that is easy to scale, test, and maintain

By the end, you’ll walk away with a refreshed perspective on architecture and the confidence to build apps that truly last.

About the speaker — Manish Tuladhar
Manish Tuladhar is a Senior Software Engineer at Credible, where he leads the design and development of cross-platform applications serving hundreds of thousands of users. With over seven years of experience in crafting high-performance, maintainable systems, he’s known for his deep understanding of Clean Architecture, Flutter, and scalable software design.

Manish combines technical excellence with a genuine passion for elegant code and user experience. Outside of work, he enjoys exploring emerging technologies, experimenting with creative projects, and sharing his learnings with the broader developer community, always driven by a belief that clarity in architecture leads to creativity in engineering.

Talk 2: Exploring Australia’s Electricity Market with Databricks on GCP
Australia’s National Electricity Market (NEM) supports the interconnected east-coast grid forming the world’s longest interconnected power system - from Port Douglas in Queensland to Port Lincoln in South Australia - a distance of around 5,000 kilometres. This vast system is undergoing a rapid transformation with the growth of renewable energy, offering a unique look into the complex dynamics of modern electricity generation and flow.

In this session, we’ll dive deep into how data from Australia’s electricity market can be harnessed to better understand the evolving balance between traditional and renewable energy sources. You’ll see how web data can be extracted, processed, and visualised using Databricks on Google Cloud Platform (GCP) combining the scalability of Apache Spark, the flexibility of the Delta Lake format, and the robustness of Medallion Architecture.

Expect to learn:

How to build an end-to-end data pipeline for energy insights

How data engineering tools and architectures bring clarity to complex energy systems

How modern cloud technologies help visualise and optimise Australia’s energy flow

This session will appeal to anyone passionate about data engineering, cloud architecture, and energy analytics, and eager to see how data can drive smarter, more sustainable systems.

About the speaker — Sajit Gurubacharya
Sajit Gurubacharya is a seasoned data professional with over seven years of experience spanning data analytics and engineering across the energy, transport, and financial sectors. Currently the Data Lead at Banpu Energy, and formerly a Data & AI Manager at KPMG, Sajit brings deep expertise in designing data-driven solutions that translate operational data into meaningful business outcomes.

Beyond his technical work, Sajit is a passionate mentor who actively supports students and early-career professionals through community initiatives, especially those navigating their journey as international students in Australia.

Event Schedule

5:30pm - Event doors open

5:45pm - Introduction and hiring connect (5 mins for each group, every participant gets up to 1 min)

6:00pm - Talk 1: Code that Lasts - Clean Architecture for Flutter — Manish Tuladha

6:45pm - Talk 2: Exploring Australia’s Electricity Market with Databricks on GCP — Sajit Gurubacharya

7:15pm - Raffle for 2 JetBrains IDE licenses

7:45pm - Event end

Agenda

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Speakers

Sajit Gurubacharya - Banpu Energy Australia (Data Lead)

Sajit is an experienced data professional with over seven years of expertise across energy, transport, and financial services. He specialises in designing scalable data architectures and turning complex operational data into meaningful business insights. Currently leading data initiatives at Banpu Energy, Sajit is passionate about using data to drive sustainability and smarter decision-making.…

Manish Tuladhar - Credible (Senior Software Engineer)

Manish is a seasoned software engineer with more than seven years of experience building cross-platform applications that are both scalable and maintainable. At Credible, he leads the design and development of apps serving hundreds of thousands of users. A strong advocate for Clean Architecture and thoughtful code design, Manish enjoys exploring emerging technologies and sharing his learnings …

Host

Shasanka Acharya

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Partners

Mantel Group (https://mantelgroup.com.au/)
Mantel Group harnesses technologies that transform business operations in the real world. With capabilities spanning Cloud, Data, Digital, and Security, they merge emerging technologies with innovative design and industry expertise to enhance your business. With deep technical specialisation and as leading Amazon, Google and Microsoft cloud partners, the depth and breadth our solutions offer is unparalleled. Mantel Group is your partner for end-to-end digital transformation.

Ranked in Australia's top 10 Best Workplaces by Great Place To Work Australia for four years in a row, we are people-focused and uphold strong values. Our culture champions trust, empowerment, and diversity, with a lean structure that emphasises collaboration, direct communication and equity.

Dented Code (https://dentedcode.com)
At Dented Code, we have developed an innovative coding Bootcamp approach to empower candidates with cutting-edge technology and skills to thrive in the Australian multi-billion-dollar digital economy. In 2021, Dented Code began transferring its programming skills to students through BootCamp courses, in-school workshops, community upskilling initiatives, and online tutorials. Through Dented Code’s BootCamp, students get equipped with in-demand coding and web development skills.

JetBrains (https://www.jetbrains.com)
At JetBrains, code is our passion. Ever since we started, back in 2000, we have strived to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers to grow, discover and create.

Our Mission
We make professional software development a more productive and enjoyable experience.

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Complete your event RSVP here: https://gdg.community.dev/events/details/google-gdg-cloud-sydney-presents-gdg-sydney-meetup-december-2025/.

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GDG Sydney Meetup December 2025

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GDG Cloud Sydney

GDG Sydney Meetup December 2025

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