···

       
3
       
3
       
 
       
## Personal information

     

       
4
       
4
       
 
       


     

       
5
       
5
       
 
       
Email:

     

       
6
       
6
       
-
       
  <lukasz@niemier.pl>

     

       
6
       
6
       
+
       
  <~@hauleth.dev>

     

       
7
       
7
       
 
       


     

       
8
       
8
       
 
       
Website:

     

       
9
       
9
       
 
       
  <https://hauleth.dev>

     
···

       
19
       
19
       
 
       
## Experience

     

       
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20
       
 
       


     

       
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21
       
 
       
- Hauleth.dev - Consultant - 2021+

     

       
22
       
22
       
-
       
    + Erlang Solutions/Kloeckner GmbH - 2021 - Consultant for Elixir, Ruby, and SQL (PostgreSQL)

     

       
23
       
23
       
-
       
        * Substantial query performance optimisations by optimising PostgreSQL indices

     

       
22
       
22
       
+
       
    + Supabase - 2023-current

     

       
23
       
23
       
+
       
        * Logflare - logs aggregation service

     

       
24
       
24
       
+
       
        * Supavisor - a cloud-native, multi-tenant Postgres connection pooler

     

       
24
       
25
       
 
       
    + Eiger - 2022-2023

     

       
25
       
26
       
 
       
        * Forte.io

     

       
26
       
27
       
 
       
            - Implementation of the Interledger protocol for cross-chain transactions

     

       
27
       
27
       
-
       
        * Aleo Blokchain

     

       
28
       
28
       
+
       
        * Aleo Blockchain

     

       
28
       
29
       
 
       
            - Implementation of the GraphQL API for the on-chain data

     

       
29
       
29
       
-
       
    + Supabase - 2023-current

     

       
30
       
30
       
-
       
        * Logflare - logs aggregation service

     

       
31
       
31
       
-
       
        * Supavisor - a cloud-native, multi-tenant Postgres connection pooler

     

       
30
       
30
       
+
       
    + Erlang Solutions/Kloeckner GmbH - 2021 - Consultant for Elixir, Ruby, and SQL (PostgreSQL)

     

       
31
       
31
       
+
       
        * Substantial query performance optimisations by optimising PostgreSQL indices

     

       
32
       
32
       
 
       
- Remote Inc. - Senior Backend Engineer - 2020-2021

     

       
33
       
33
       
 
       
- Kobil GmbH - Erlang/Elixir Developer - 2019-2020

     

       
34
       
34
       
 
       
    + Maintaining MongoDB driver for Elixir

     
···

       
71
       
71
       
 
       


     

       
72
       
72
       
 
       
- GitHub: <https://github.com/hauleth>

     

       
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73
       
 
       
- GitLab: <https://gitlab.com/hauleth>

     

       
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74
       
-
       
- StackOverflow: <https://stackoverflow.com/users/1017941/hauleth>

     

       
74
       
74
       
+
       
- SourceHut: <https://sr.ht/~hauleth>

     

       
75
       
75
       
+
       
- StackOverflow: <https://stackoverflow.com/u/1017941>

     

       
75
       
76
       
 
       


     

       
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77
       
 
       
### Notable contributions

     

       
77
       
78
       
 
       


     
···

       
106
       
107
       
 
       
  projects

     

       
107
       
108
       
 
       
- <https://github.com/hauleth/mix_unused> - Mix compiler for detecting unused

     

       
108
       
109
       
 
       
  code

     

       
109
       
109
       
-
       
- Elixir's Logger implementation in 1.10+

     

       
110
       
110
       
 
       
- <https://github.com/open-telemetry/opentelemetry-erlang> - maintainer of

     

       
111
       
111
       
 
       
  the Erlang's OpenTelemetry implementation

     

       
112
       
112
       
 
       
- Vim plugins:

     
···

       
123
       
123
       
 
       
    + OpenTelemetry collaborator

     

       
124
       
124
       
 
       
    + EEF Member

     

       
125
       
125
       
 
       
    + OTP contributor

     

       
126
       
126
       
+
       
- Nix/NixOS

     

       
126
       
127
       
 
       
- Rust

     

       
127
       
127
       
-
       
- C

     

       
128
       
128
       
 
       
- PostgreSQL

     

       
129
       
129
       
 
       
- sh/Bash

     

       
130
       
130
       
 
       
- Ruby

     

       
131
       
131
       
 
       
    + Ruby on Rails

     

       
132
       
132
       
-
       
- C++

     

       
133
       
133
       
-
       
- JavaScript

     

       
134
       
132
       
 
       


     

       
135
       
133
       
 
       
### Technologies

     

       
136
       
134
       
 
       


     
···

       
143
       
141
       
 
       
- GNU/Linux and other UNIX-like systems

     

       
144
       
142
       
 
       
- TDD/BDD methodologies

     

       
145
       
143
       
 
       
- Property testing

     

       
146
       
146
       
-
       


     

       
147
       
147
       
-
       
Fluent:

     

       
148
       
148
       
-
       


     

       
149
       
149
       
-
       
- SaltStack

     

       
150
       
150
       
-
       
- Puppet

     

       
151
       
144
       
 
       


     

       
152
       
145
       
 
       
## Other

     

       
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146