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< head > < title > Bastian Gruber - CV< / title >
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class="cmbx-12">Bastian Gruber< / span >   < / td > < / tr > < tr
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class="cmbx-10">Professional < / span >   < / td >
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class="td00">LinkedIn: < a href = "https://linkedin.com/in/bastiangruber" > linkedin.com/in/bastiangruber< / a >   < / td >
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class="td00">Book: < a href = "https://rustwebdevelopment.com" > rustwebdevelopment.com< / a >   < / td >
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class="td00">E-Mail: < a href = "mailto:gruberbastian@me.com" > gruberbastian@me.com< / a >   < / td >
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class="td00">Website: < a href = "https://bastiangruber.ca" > bastiangruber.ca< / a >   < / td > < / tr > < / table > < / div > < / td > < td class = "second-address" > <!-- tex4ht:inline --> < div class = "tabular" > < table id = "TBL-3" class = "tabular"
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class="cmbx-10">Code < / span >   < / td >
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class="td00">GitHub: < a href = "https://github.com/gruberb" > github.com/gruberb< / a >   < / td >
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class="td00">Git: < a href = "https://code.novanexus.ca/gruberb" > code.novanexus.ca/gruberb< / a >   < / td > < / tr > < / table > < / div > < / td > < / tr > < / table >
< h4 class = "sectionHead" > < a
id="x1-10000">< / a > < div
class="centerline"> SUMMARY < / div > < / h4 > < div class = "section" >
<!-- l. 55 --> < p class = "noindent" > Staff Software Engineer at Mozilla, shipping Rust, C++, and Python to hundreds of millions of Firefox users.
Published author (“ Rust Web Development” – Manning). Founder of Rust& Tell Berlin, the largest Rust meetup
globally.
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< / p >
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< / div > < h4 class = "sectionHead" > < a
id="x1-20000">< / a > < div
class="centerline"> SKILLS < / div > < / h4 > < div class = "section" >
<!-- l. 68 --> < p class = "noindent" > < span
class="cmbx-10">Languages: < / span > Rust, C++, Python, TypeScript, Go < br
class="newline" />< span
class="cmbx-10">Backend & Systems: < / span > Rust (Actix, Warp, Axum), Python (FastAPI), Node.js, async Rust, FFI/UniFFI
< br
class="newline" />< span
class="cmbx-10">Patterns: < / span > REST, GraphQL, gRPC, distributed systems (P2P), microservices < br
class="newline" />< span
class="cmbx-10">Infrastructure: < / span > AWS, Google Cloud, Docker, Kubernetes, CI/CD, Grafana < br
class="newline" />< span
class="cmbx-10">AI Tooling: < / span > Claude Code, GitHub Copilot
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< / p >
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< / div > < h4 class = "sectionHead" > < a
id="x1-30000">< / a > < div
class="centerline"> PROFESSIONAL EXPERIENCE < / div > < / h4 > < div class = "section" >
<!-- l. 86 --> < p class = "noindent" > < span
class="cmsl-10">Staff Software Engineer (promoted from Senior) < / span > July 2024 - Present
< br
class="newline" />< span class = "company" > Mozilla< / span > , Remote < br
class="newline" />< / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 89 --> < p class = "noindent" > Implemented Oblivious HTTP (OHTTP) from scratch in application-services (shared Rust component
cross-compiled to Swift/Kotlin via UniFFI) plus C++ and Rust for Firefox Desktop – users are now
unidentifiable when making privacy-sensitive requests across all platforms
< / p > < / li >
< li class = "itemize" >
<!-- l. 90 --> < p class = "noindent" > Consolidated four separate favicon implementations into a single Image Service – extended an existing
Python/Airflow pipeline rather than building a new microservice, now serving 4 teams from one
manifest behind a GCS-backed API
< / p > < / li >
< li class = "itemize" >
<!-- l. 91 --> < p class = "noindent" > Maintained Firefox Push notification service (50k req/s, sub-200ms latency): reduced memory footprint,
added circuit breakers, built Grafana dashboards
< / p > < / li >
< li class = "itemize" >
<!-- l. 92 --> < p class = "noindent" > Contributor and code reviewer for UniFFI, Mozilla’ s multi-language bindings generator (Rust to Kotlin,
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Swift, Python, JavaScript)
< / p > < / li >
< li class = "itemize" >
<!-- l. 93 --> < p class = "noindent" > Led “ Rusty Fridays” internal education sessions, mentoring engineers across teams through Rust
adoption< / p > < / li > < / ul >
<!-- l. 96 --> < p class = "noindent" > < span
class="cmsl-10">Senior Systems Engineer, Team Lead < / span > 2023 - 2024
< br
class="newline" />< span class = "company" > Toposware< / span > , Remote < br
class="newline" />Core team of 4 building a peer-to-peer distributed network protocol from scratch in Rust. < / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 100 --> < p class = "noindent" > Achieved 10x throughput per node by profiling the actual bottleneck – optimized batch processing and
serialization paths rather than redesigning the consensus layer
< / p > < / li >
< li class = "itemize" >
<!-- l. 101 --> < p class = "noindent" > Led benchmark initiative that revealed nodes were compute-bound on crypto operations, not
network-limited – redirected optimization effort accordingly
< / p > < / li >
< li class = "itemize" >
<!-- l. 102 --> < p class = "noindent" > Built an EVM bridge connecting external Ethereum-compatible chains to the core network< / p > < / li > < / ul >
<!-- l. 105 --> < p class = "noindent" > < span
class="cmsl-10">Senior Software Engineer < / span > 2022 - 2023
< br
class="newline" />< span class = "company" > Centrifuge< / span > , Remote < br
class="newline" />Protocol team building DeFi applications on Substrate/Polkadot in Rust. < / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 109 --> < p class = "noindent" > Implemented on-chain fund pool mutations – core feature for the lending protocol enabling live capital
allocation adjustments
< / p > < / li >
< li class = "itemize" >
<!-- l. 110 --> < p class = "noindent" > Replaced manual documentation with CI-driven auto-generation from Rust source – eliminated
persistent drift between code and public docs< / p > < / li > < / ul >
<!-- l. 113 --> < p class = "noindent" > < span
class="cmsl-10">Author, “ Rust Web Development” < / span > 2020 - 2022
< br
class="newline" />< span class = "company" > Manning Publications< / span > < br
class="newline" />Published end-to-end guide covering async Rust, web frameworks, and production deployment.
< / p > <!-- l. 119 --> < p class = "noindent" > < span
class="cmsl-10">Sr. Solutions Architect (promoted from SA) < / span > 2020 - 2022
< br
class="newline" />< span class = "company" > Twilio Inc.< / span > , Remote < br
class="newline" />< / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 122 --> < p class = "noindent" > Technical lead for Fortune 500 engagements: debugged latency issues, redesigned messaging flows,
advised on architectures matching client team size and resources
< / p > < / li >
< li class = "itemize" >
<!-- l. 123 --> < p class = "noindent" > Created reusable engagement playbooks adopted across the EMEA Professional Services team< / p > < / li > < / ul >
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<!-- l. 126 --> < p class = "noindent" > < span
class="cmsl-10">Systems Engineer < / span > 2019 - 2020
< br
class="newline" />< span class = "company" > Kraken Digital Currency Exchange< / span > , Remote < br
class="newline" />< / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 129 --> < p class = "noindent" > Migrated core banking services and API gateway from PHP to Rust, achieving 100x throughput
improvement – enabling order-of-magnitude traffic growth without scaling hardware
< / p > < / li >
< li class = "itemize" >
<!-- l. 130 --> < p class = "noindent" > Worked directly with the CTO on privacy-focused architectural decisions for the trading platform< / p > < / li > < / ul >
<!-- l. 135 --> < p class = "noindent" > < span
class="cmsl-10">Earlier Career < / span > 2014 - 2019
< br
class="newline" />Sr. Software Engineer across enterprise clients (< span class = "company" > OSRAM< / span > , K<> rber Digital, < span class = "company" > GIATA< / span > , < span class = "company" > Avenga< / span > ) and startups (Dalia
Research, blogfoster, smartB) in Berlin. < / p >
< ul class = "itemize1" >
< li class = "itemize" >
<!-- l. 138 --> < p class = "noindent" > Founded “ Rust & Tell Berlin” meetup – grew it into the largest Rust meetup globally, still running
years later
< / p > < / li >
< li class = "itemize" >
<!-- l. 139 --> < p class = "noindent" > Designed IoT authentication infrastructure at < span class = "company" > OSRAM< / span > for thousands of connected devices (Node.js,
Go, Lua)
< / p > < / li >
< li class = "itemize" >
<!-- l. 140 --> < p class = "noindent" > First engineering hire at K<> rber Digital: built real-time sensor data pipelines on AWS
< / p > < / li >
< li class = "itemize" >
<!-- l. 141 --> < p class = "noindent" > Decomposed < span class = "company" > GIATA< / span > ’ s monolithic ERP into 6 Docker-based microservices, improving system scalability< / p > < / li > < / ul >
< / div > < h4 class = "sectionHead" > < a
id="x1-40000">< / a > < div
class="centerline"> EDUCATION < / div > < / h4 > < div class = "section" >
<!-- l. 148 --> < p class = "noindent" > < span
class="cmsl-10">Bachelor of Science, Computer Science < / span > < br
class="newline" />< span class = "company" > TH Ingolstadt< / span > – Scholarship from Allianz Deutschland AG (fully funded)
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