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Senior Backend Engineer
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About On The Spot
On The Spot Development is a software development company that builds R&D teams for heavily invested startups and tech companies from the UK, EU, and Israel.
This job opportunity is for a position within one of our teams. You will be directly employed by On The Spot and will collaborate closely with our partner companies, contributing to their product's journey.
About the team
Finonex is a company that develops innovative and advanced online financial trading platforms. They focus on creating accessible, secure, and user-friendly trading experiences powered by cutting-edge technology, supported by 24/7 service.
About the role
Step into our world, where advanced technologies take center stage, transforming the online trading experience. With our cutting-edge approach, we follow edge & new methodologies, constantly pushing boundaries. We offer an excellent work environment where you will be challenged and encouraged to grow professionally.
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Responsibilities
- Collaborate with the design team to translate wireframes and mockups into functional components, ensuring seamless user experiences
- Develop and maintain reusable and efficient code libraries to streamline the development process.
- Participate in code reviews, providing constructive feedback and ensuring code quality and adherence to best practices.
- Contribute to the continuous improvement of our Agile development process, including CI/CD pipelines and automated testing
Must have
- Bachelor's degree in Computer Science or equivalent field
- At least 5 years of professional experience in backend development using node.js and at least one more OOP backend language e.g. dotnet/Python/Java
- Previous experience working in high scale production environments, handling performance and scalability challenges
- Experience with building RESTful APIs and web applications, using frameworks such as Express
- In-depth understanding of Agile development methodologies, including CI/CD pipelines and automated testing
- Experience with messaging queues or streams such as RabbitMQ/Kafka
- Strong communication and interpersonal skills, enabling effective collaboration with team members and stakeholders
- Ability to work independently and proactively, taking ownership of projects and driving them to successful completion
Nice to have
- Experience within Fintech or Trade-In ecosystem
- Experience working in a Linux environment and with containers (Docker)
- Knowledge with building advanced event driven microservices architecture
Benefits
- Work in a highly professional team. Informal and friendly atmosphere in the team
- Paid vacation — 20 business days per year, 100% sick leave payment
- Equipment provision
- Partially compensated educational costs (for courses, certifications, professional events, etc.)
- Legal and Accounting support in Poland
- Ability to work from our comfortable office in Warsaw at Prosta 51
- 5 sick days per year
- Medical insurance (after the end of the probationary period)
- Flexible working hours – we care about you (!) and your output
- English and Polish classes 2 times a week (online)
- Bright and memorable corporate life: corporate parties, gifts to employees on significant dates
Join us
To be considered for this position, you must have Polish citizenship, a D-type work visa, or a residence permit. Thank you!
Contribute to our growth
Know someone perfect for this role? Let us know about them. We have a referral program to recognize your support.
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