How does software development work at Slido? Learn more about our product principles, teams, tools, and programming languages we use. | Slido is a technology company that enhances communication and increases interaction at +20,000 events and meetings weekly. We are building a world-class product and we are constantly working on improvements, new features, and integrations. Slido offers a healthy environment for self-realization and learning. Everyone has a chance to shape Slido’s.

1. Engineering
at Slido

2. What we do
Slido is a technology company that enhances
communication and increases interaction at
+20,000 events and meetings weekly.
We are building a world-class product and we are
constantly working on improvements, new features
and integrations.
Slido offers an healthy environment for
self-realization and learning.
Everyone has a chance to shape Slido’s product
roadmap. Bring your ideas to the table!
Interested to learn more about our Engineering
teams? Check out our Dev Blog
and Keep reading...

3. Engineering Team Goal
What do we strive for?
Discover & deliver & maintain the right product features
with quality & security that our customers require and at
the same time learn and develop our skills & habits in
order to improve and adapt over the time.
“Make customers happy, engineering
energized and helpdesk calm”

4. Our product teams
ACTIVITIES: User research, Source ideas, Experiment (Discovery) -> Design, Implement, Test, Release, Maintain (Delivery) -> Evaluate
results, Validate Leaning (Feedback)
Languages: HTML+SCSS, Angular, React, Node.js, MySQL, SQL, TypeScript, Cordova, AWS, .NET
Frameworks: Bitbucket, Slack, Jira, Cypress.io, Sentry, Exponea, JetBrains, Superset, SonarQube, New Relic, Snyk
CORE FEATURES
Innovate and improve core features of Slido (Polls/Questions)
PRESENTER EXPERIENCE
Deliver great presenter experience via integrations with top presenter’s tools and smooth & professional polls
INTEGRATIONS
Enhance video-conferencing tools with smooth Polling and Q&A experience
ENTERPRISE CUSTOMERS
Investigate pains, make Slido easy manageable for enterprise customers
INTELLIGENT INSIGHTS
Make sure that Slido brings long term value to meeting organizers

5. Our platform teams
API Core
Make sure that backend works & performs
well, is maintainable, extendable, scalable
& secure
PROGRAMMING LANGUAGES::
Node.js, MySQL/Aurora, Redis, TypeScript,
AWS
FRAMEWORKS:
Bitbucket, Slack, Jira, New Relic,
SonarQube, Snyk.io
KPIs:
Apdex, Response time, Throughput
Number of bugs, Error rate
ACTIVITIES:
Optimization & bigger code clean-ups
Monitoring & scaling performance
Keeping core API bugs free
DevOps
Make sure that Slido infrastructure works &
performs well and enable development
PROGRAMMING LANGUAGES::
AWS
FRAMEWORKS:
Terraform, Bitbucket, Slack, Jira, New Relic,
PagerDuty, ELK, Prometheus, Grafana
KPIs:
Uptime, Optimal performance, Throughput
Number of SEV-1 incidents, MTTR
ACTIVITIES:
Monitoring & maintaining
Infrastructure development
Automation
Data/R&D
Enable other teams by developing internal tools,
integrations, work automation and explore new
approaches to difficult problems leveraging data
(maybe even) science
PROGRAMMING LANGUAGES:
PHP, Python, R, MySQL, VueJs, Laravel,
TypeScript, AWS
FRAMEWORKS:
Bitbucket, Slack, Jira, Tableau, Superset, Airflow
ACTIVITIES:
Data warehouse management
(aggregation/transformation/distribution)
3rd-party services integration
Introduce new features & ideas powered by data

6. Why join Slido?
1. Make global impact at big scale
2. Code & learn & apply & share & iterate
3. Take ownership & responsibility
4. Regular offsites and team fun events
5. Flexibility
6. Release daily
7. Participate in top global tech conferences

7. Our Core Product Principles
1. Participant is the king
2. The purpose of Slido is to enable a great meeting
3. The magic of Slido is in enhancing the live interaction
4. Technology has to become invisible to be truly effective
5. Simplicity is the ultimate sophistication
6. During a meeting, Slido either works or not. There is no 2nd
chance.
7. Ruthlessly prioritize the silent majority (90%) over the vocal
minority (10%)
8. For every new feature (item), we should aim to remove one
9. Use familiar design / language

8. Lean and Agile principles we follow
● Empowered, cross-functional, cross-module, feature-oriented product teams
(from idea to production)
● System awareness & visibility of the value flow
(stand-ups, demos, agile planning, scrum/kanban boards)
● Continuous improvement & learning
(retros, pre/post-mortems, tech talks, conferences, books, meetups, blogs)
● Technical excellence, clean design & simplicity
(code reviews, handy tools, best practices & patterns, usability tests)
● Continuous product discovery & delivery
(vision, experiments, prototypes, user research & automation everywhere)
● Open culture based on trust, feedback, courage and ownership = sustainable development

9. Impact at
Slido

10. Who are our customers
(just to mention a few…)

11. Growth at Slido
1. 1M+ successful events and meetings
2. 7M+ participants monthly
3. 2M+ questions asked

12. Slido internal hackathons
Slido itself was born out of a hackathon and ever since our
beginnings they have become an important part of our
culture and an event that we all look for!
How does it work?
● Bi-annual event where different teams come together to
pitch, design and prototype ideas for new features and
developments
● Many past ideas made it to production
● Examples of projects: Custom App Theme, Spotify
integration (vote for songs and play them), Voice
controlled Slido

13. Our accomplishments
2017
Best Event Technology, Eventex
Events Tech of The Year,
PPA Connect Awards
2016
Best Conference Industry
Supplier, Conference Awards
2014
Best Tool, FRESH
Best Event Technology, Eventex
2013
Best New Event Tech Startup,
Event Technology Awards
Events Industry Supplier of
the Year, PPA Connect Award
2015 2019
Best Ongoing Commitment to
Internal Communication
(Internal Communications and
Engagement Awards)
2018
Deloitte Technology Fast 50
Central Europe
2020
Best Event,
ICE Awards

14. Want to know
more?
● Find out more about our values &
beliefs: Slido Culture Code
● Read our Slido Developers blog
● Learn more about our Way of work

15. Join us today!www.slido.com/careers slidolife@slido.com