Tasks:- requirements evaluation;- time expectations, consulting business units;- project architecture;- code review;- writing backend.What was interesting for me:- elixir/phoenix framework;- payment processing SaaS.Stack: common rails stack ruby on rails, redis, postgresql, clickhouse, sinatra, rack apps, elixir, mnesia, phoenix framework.

Tasks:- requirements evaluation;- time expectations, consulting business units;- project architecture;- code review;- writing backend/frontend(backend mostly).What was interesting for me:- more tasks on frontend;- given time to write tests.Stack: common rails stack, ruby on rails, react, rabbitmq, protobuff, redis, postgresql, pinch of go and sinatra.

Tasks:- requirements evaluation;- time expectations, consulting business units;- project architecture;- interviewing developers;- work with company partners on tech side;- code review;- writing backend/frontend(backend mostly);- lead of a backend team.What was interesting for me:- a lot of work with massive amount of payments from individuals(for debt collection, bookkeping and others);- rabbitmq with proxies/shovel plugin;- upgraded cascade of payment gateways from different providers for reliable payments acceptance;- built service for loan payout on debit cards;- built auto вуие collection service;- wrote daemon in python for our devops, to connect asterisk and several macroservices through kafka(before moving to rabbitmq)Stack:- almost everyday I worked with ruby on rails, sinatra, rabbitmq, openstack(swift), angularjs(1.5), jquery, postgresql, redis.From time to time - python, php, react, asterisk(api), docker, consul, mongodb.Stack was really vast, with multiple macroservices and microservices.

Tasks:- requirements evaluation;- time expectations, consulting business units;- project architecture;- code review;- junior mentoring;- writing backend/frontend;What was interesting for me:- a lot of of bank services and restrictions;- a lot of work with payments of legal entities;- docker, influxdb, grafana;- working in a great team, which is striving for success;- a joke "code becomes legacy before being deployed" is not a joke;- very fast feature delivering;Stack - common rails stack, wrote some API's in bottlepy for risk business unit. Lots of external services json/xml, docker, postgresql, redis.