Aleksander Alekseev
Software Engineer at TIMESCALE, INC
Summary
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RockstarAleksander Alekseev is a software engineer with 14 years of experience bridging embedded systems and backend database development. He contributes to notable open-source projects, from an STM32 OLED driver—where he added SPI support, refactored code, and improved display init/contrast—to TimescaleDB, where he implemented a new time_bucket_ng function and refined continuous-aggregate behavior. Comfortable working in C and close-to-metal environments as well as database internals, he combines practical IoT hardware hobbyist insight (amateur radio R2AUK) with production-grade backend engineering. His work shows a pattern of improving stability and usability through thoughtful refactors, tests, and bug fixes.
13 years of coding experience
Stackoverflow
1,854reputation
190kreached
17answers
21questions
Github Skills (20)
timeseries-database10
postgresql10
databases10
spi10
c1110
c1710
ssds10
sys10
sql10
embedded10
stm10
database10
timescaledb9
time-series8
analytics8
Programming languages (18)
Github contributions (5)
afiskon/stm32-ssd1306
Mar 2018 - Jan 2023
STM32 library for working with OLEDs based on SSD1306, SH1106, SH1107 and SSD1309, supports I2C and SPI
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:12 reviews, 52 commits, 45 PRs in 4 years 11 months
Contributions summary:Aleksander primarily contributes to the STM32-based OLED display library, adding functionality and refining existing code. They introduced SPI support, refactored the code for improved clarity, and added example code. The user also implemented a border test and added tests related to fonts. Furthermore, the user addressed a reported bug and implemented display initialization and contrast control improvements.
ssd1309stm32i2csh1106stm32-library
timescale/timescaledb
Jun 2021 - Feb 2022
A time-series database for high-performance real-time analytics packaged as a Postgres extension
Role in this project:Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:262 reviews, 62 commits, 91 PRs in 8 months
Contributions summary:Aleksander primarily focused on database-related refactoring and feature implementation within the TimescaleDB codebase. Their main contributions involved modifying how bucket widths are accessed in continuous aggregates, introducing a new `time_bucket_ng` function for time-series data bucketing, and extending existing CAGG functionality. The user also fixed a number of bugs to enhance stability.
postgresql-extensionfinancial-analysiscomplex-queriestime-seriestsdb
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