Trinopoty Biswas
Senior Java Developer at EXPTNERS
Gothenburg, Sweden
Summary
👤
Senior🎓
Top SchoolTrinopoty Biswas is a Senior Software Engineer based in Gothenburg with 11 years of experience building cloud-native and web applications using Java, Spring Boot, Angular and AWS. He combines enterprise system engineering with hands-on cloud expertise from roles as a Sr. Cloud Engineer and senior developer, and currently drives delivery at PRESIS KONSULT. An active open-source contributor, he has improved DNS automation and ACME tooling—adding Linode DNS support to Certbot and a Linode provider to Lexicon—demonstrating practical experience integrating third-party APIs and writing tests. Trinopoty’s background in computer science and steady progression from system engineer to senior cloud-focused roles underline a pragmatic focus on maintainability and automation across infrastructure and application layers.
11 years of coding experience
9 years of employment as a software developer
Bachelor of Engineering, Computer Science, Bachelor of Engineering, Computer Science at Chhattisgarh Swami Vivekanand Technical University, Bhilai
English
Stackoverflow
413reputation
33kreached
15answers
10questions
Github Skills (22)
apim10
pytest10
python10
letsencrypt10
testing10
api10
dns10
certbot10
linode10
acme-protocol9
http-request9
cli8
configuration-management8
automation7
automations7
Programming languages (7)
Github contributions (5)
AnalogJ/lexicon
Dec 2017 - Dec 2019
Manipulate DNS records on various DNS providers in a standardized way.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 commits, 10 PRs, 56 comments in 2 years
Contributions summary:Trinopoty's primary contribution involves developing and integrating a new DNS provider, Linode, into the `lexicon` project, a tool for manipulating DNS records. They implemented the necessary API interactions for creating, listing, updating, and deleting DNS records within the Linode environment. Furthermore, they added corresponding tests to validate the proper functionality of the Linode provider implementation. In addition, the user fixed a bug in existing providers and made other minor corrections.
dnsdns-recorddns-serviceletsencryptcli
certbot/certbot
Jan 2018 - Apr 2019
Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 18 PRs, 70 comments in 1 year 3 months
Contributions summary:Trinopoty's contributions primarily focus on enhancing the `certbot-dns-linode` plugin, adding support for the Linode DNS service. This included implementing a DNS authenticator plugin using the Linode API, integrating it within the Certbot framework. Further work involved fixing the API URL, supporting Linode API v4 tokens, and refactoring for better code maintainability. The user also added sorting to renewal configuration files.
acme-protocolcertbotacmeacme-clientcertificate
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