Erik Seliger
Lead Product Engineer at Sourcegraph
Bremen, Bremen, Germany
Summary
🤩
Rockstar🎓
Top SchoolErik Seliger is a Lead Product Engineer with a decade of experience building and scaling developer-focused products, currently driving product engineering at Sourcegraph from Bremen, Germany. He blends hands-on backend work in Go and Postgres with TypeScript/React front-end experience to move fast on features like multi-tenant SaaS evolution and large-scale LLM interaction handling. Erik has led teams from reactive support to proactive roadmaps, unblocking velocity and turning prototypes into revenue-generating products such as Batch Changes and Cody. His open-source contributions include substantive fixes and test improvements to the widely used Sequelize ORM and infrastructure work in Sourcegraph’s public snapshot, reflecting a pragmatic focus on reliability and developer workflows. Comfortable with both DevOps and product strategy, he excels at aligning engineering culture with customer-driven roadmaps for enterprise-grade systems. Colleagues rely on him for technical stewardship that balances immediate delivery with long-term platform health.
10 years of coding experience
9 years of employment as a software developer
Extended Studies Computer Science, Extended Studies Computer Science at San José State UniversitySystems Engineering, Systems Engineering at University of Bremen
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (25)
sequel10
javascript10
typescript10
go10
orm10
typescript-types10
typescripts10
sequelizejs10
git9
dockers9
build-system9
docker9
sql9
typesc8
type-system8
Programming languages (11)
Github contributions (5)
sourcegraph/sourcegraph-public-snapshot
Nov 2019 - Jan 2023
Code AI platform with Code Search & Cody
Role in this project:
Backend Engineer & DevOps Engineer
Backend Engineer & DevOps EngineerContributions:1 release, 7202 reviews, 1500 commits in 3 years 3 months
Contributions summary:Erik primarily focused on improving the backend infrastructure by addressing dependency issues and enhancing the build processes. Their contributions involved modifying Go package imports, refactoring code to eliminate cross-command dependencies, and ensuring the correct use of build tools. They also worked on integrating new services by adjusting the environment and test settings for containerized applications.
sourcegraphcode-generationrepo-type-maindeveloper-toolslsif-enabled
sequelize/sequelize
Aug 2017 - Jul 2020
Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB (v6), DB2 and DB2 for IBM i.
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:2 reviews, 17 commits, 56 PRs in 2 years 11 months
Contributions summary:Erik primarily contributed to the Sequelize ORM, focusing on bug fixes and enhancements. They addressed issues related to data types (DATEONLY), replication options, and the addition of indexes. The user also worked on improving the test suite, addressing flaky tests and dead code, along with adjusting the query interface.
feature-richormsql-servermicrosoft-sql-serversequelize
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