Cossack Labs
Joined in
2020
94% answers
Cossack Labs provides data security solutions to help innovators protect sensitive data against external attackers, insider threats, and misconfigurations while remaining compliant with regulations.
WHAT WE DO:
We specialize in working with mission-critical, multi-app, multi-platform distributed systems, addressing serious global issues. Our data security solutions cater to large enterprises, startups, and tech-savvy SMEs across various industries, including healthcare, IoT, power grid operators, payment processors, fintech, legal companies, million-user customer applications, decentralized finance systems, AI/ML, and more.
We take on difficult jobs, we take mission-critical software and make it mission-secure.
OUR TEAM:
Operating as a lean core team and a diverse network of experts, we bring together individuals with diverse backgrounds, including PhDs in information security and cryptography, infosec community standard contributors, experts in rare security topics, and business-centric security engineers. Some team members have been in infosec since the 1990s and have witnessed the industry's growth. Others have contributed to writing standards governing security practices.
LEARN WITH US
Explore case studies of our regular work from an engineer’s perspective, read Case Studies: https://www.cossacklabs.com/case-studies/. We are actively involved in cryptographic R&D, maintain free open-source software on GitHub (https://github.com/cossacklabs), share engineering experiences in blog posts, and conferences, and volunteer to help Ukrainian companies enhance security resilience during warfare.
JOIN US FOR A JOURNEY OF GROWTH:
As a Cossack Labs engineer, you will engage in slow-paced projects for learning and improvement, internal projects for innovation and tool-building, and, of course, a few challenges because no smooth sea can make a skilled sailor. Discover what works for you and identify areas for growth. Our core engineers undergo extensive indoctrination and training to become disciplined, stringent, and self-sufficient field units who take ownership of outcomes.
HOW TO APPLY:
Visit our website to learn more about the company and check for current job openings: https://www.cossacklabs.com/job/#open-positions.
WHAT WE DO:
We specialize in working with mission-critical, multi-app, multi-platform distributed systems, addressing serious global issues. Our data security solutions cater to large enterprises, startups, and tech-savvy SMEs across various industries, including healthcare, IoT, power grid operators, payment processors, fintech, legal companies, million-user customer applications, decentralized finance systems, AI/ML, and more.
We take on difficult jobs, we take mission-critical software and make it mission-secure.
OUR TEAM:
Operating as a lean core team and a diverse network of experts, we bring together individuals with diverse backgrounds, including PhDs in information security and cryptography, infosec community standard contributors, experts in rare security topics, and business-centric security engineers. Some team members have been in infosec since the 1990s and have witnessed the industry's growth. Others have contributed to writing standards governing security practices.
LEARN WITH US
Explore case studies of our regular work from an engineer’s perspective, read Case Studies: https://www.cossacklabs.com/case-studies/. We are actively involved in cryptographic R&D, maintain free open-source software on GitHub (https://github.com/cossacklabs), share engineering experiences in blog posts, and conferences, and volunteer to help Ukrainian companies enhance security resilience during warfare.
JOIN US FOR A JOURNEY OF GROWTH:
As a Cossack Labs engineer, you will engage in slow-paced projects for learning and improvement, internal projects for innovation and tool-building, and, of course, a few challenges because no smooth sea can make a skilled sailor. Discover what works for you and identify areas for growth. Our core engineers undergo extensive indoctrination and training to become disciplined, stringent, and self-sufficient field units who take ownership of outcomes.
HOW TO APPLY:
Visit our website to learn more about the company and check for current job openings: https://www.cossacklabs.com/job/#open-positions.
Website:
www.cossacklabs.com
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· 149 views · 19 applications · 7d
Python full-stack developer
Ukraine · Product · 3 years of experience · IntermediateThis vacancy is open exclusively to Ukrainian residents currently living in Ukraine (preferably in Kyiv or Lviv). Our product team is looking for an experienced full-stack Python developer with experience of engineering UI applications. Join us to build...This vacancy is open exclusively to Ukrainian residents currently living in Ukraine (preferably in Kyiv or Lviv).
Our product team is looking for an experienced full-stack Python developer with experience of engineering UI applications. Join us to build tools used by engineers worldwide and contribute to mission-critical projects!
Required skills:
- Python 3, Django or aiohttp 3+ years
- Asyncio, queues, synchronisation
- Django ORM or Sqlalchemy Core
- PostgreSQL, raw SQL
- JavaScript, React 2+ years
- HTML5 / CSS3
- Docker, docker compose
- Linux, bash
- Understanding of GOF, SOLID, Dependency Injection, Clean Architecture principles, Modular Monoliths
- Understanding of asynchronous and multi-threaded programming: asyncio, threading, multiprocessing
- Good spoken and written English (B2+) for team communication and code documentation
Nice to have skills
- Golang
- Typescript
- OAuth2
- Prometheus
- UIkit
- RabbitMQ
- gRPC
- Datatables (javascript)
- GitHub Actions
Main responsibilities:
- Take ownership of developing user-facing features with a focus on responsive and intuitive design
- Build efficient and reusable front-end systems to power our web applications
- Write clean, maintainable, and well-documented code
- Participate in code reviews and contribute to both individual and team growth
What to expect from us:
- We build applications for clients, write code for developers, and document how it all works — for both
- Everyone on the team is happy to help, but we also respect each other’s time and know how to find answers ourselves
- Tech writing isn’t our favourite task, but we do create solid technical documentation when needed, and we’re lucky to have a tech writer to help with that
- We prefer doing things right the first time over patching things endlessly later
- We value healthy perfectionism, a sense of beauty in engineering, and a good sense of humour
Hiring process:
- Resume review — up to 5 business days
- Test task — estimated time 3-4 hours
- Introductory meeting with the Head of development & solution engineering
- Technical interview with several team members
- Offer discussion
What’s in it for you?
- Competitive compensation with a flexible and clear bonus scheme
- Paid vacation — 21 business days per calendar year
- Paid sick leaves
- Hybrid work model: this position allows for a combination of in-office and remote work as needed
- Combining technologies: hardware engineering, software engineering, cryptography, information security
- You will work with people deeply interested in security engineering, you will learn a lot
- Reasonable time budgets and an attitude to build things well — we prioritise building for decades, rather than just until the next release
- Conferences, books, courses — we encourage learning and sharing with the community. Our team members share a a lot in talks, workshops, and blog posts
- Public track record in the open-source aspect of our products.
Our software is well-known amongst security-aware teams, recommended by OWASP, and popular for easily solving complicated security challenges. Apart from building “off-the-shelf” solutions, we design custom security solution for novel problems. We work in the B2B space, with customers such as power grid operators, payment processors, legal companies, and million-user customer applications. We cater to young ambitious startups and well-established enterprises, that use our software and solutions as a core part of their security arsenal.
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