Roy Langa
Software Engineer at Mollie
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolRoy Langa is a software engineer with a decade of experience building backend systems, cloud infrastructure, and full-stack applications across fintech, e-commerce, and IoT. Currently at Mollie in Amsterdam, he has delivered scalable services at companies including IKEA and bunq, and has hands-on experience designing Kubernetes-based deployments, CI/CD pipelines, and offline-capable Progressive Web Apps. A contributor to the notable Nethermind Ethereum client, Roy implemented and tested JSON-RPC methods to enable on-chain Solidity compilation inside an execution client, showing an appetite for applied blockchain work beyond theory. His background in distributed systems (MSc) and first-class Computer Science degree underpin a pragmatic focus on aligning technical solutions with business operations and market needs. Known for translating product strategy into robust technical plans, he combines systems architecture experience with a developer’s attention to testing and automation.
10 years of coding experience
4 years of employment as a software developer
MSc, Distributed and Networked Systems, Pass with Distinction, MSc, Distributed and Networked Systems, Pass with Distinction at Royal Holloway, University of LondonBachelor’s Degree, Computer Science, 1st class honours, Bachelor’s Degree, Computer Science, 1st class honours at Brunel University London
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
json-rpc10
solidity10
ethereum10
blockchain9
evm9
dotnet8
net8
asp-net8
dotnet-core8
csharp8
testing7
Programming languages (6)
Github contributions (5)
NethermindEth/nethermind
Aug 2018 - Sep 2018
A robust, high-performance execution client for Ethereum node operators.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 4 PRs, 2 comments in 22 days
Contributions summary:Roy contributed to the Nethermind execution client by implementing and testing JSON RPC methods. These methods handle Solidity compilation requests, enabling the compilation of smart contracts within the execution client. The user also modified existing test files to incorporate the newly added functionality. The contributions focused on integrating Solidity compilation capabilities, crucial for Ethereum node operation.
ethereumblockchainevmethereum-clienteth
rlanga/msc-individual-project
Jun 2020 - Aug 2020
Contributions:63 commits in 2 months
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