Why This Job is Featured on The SaaS Jobs
This Senior Back-End Engineer role sits squarely in a modern SaaS architecture problem space: service-oriented backends that need to be reliable under variable demand. The stack signals a platform handling real-time workflows and integrations—Java and Python microservices with Spring Boot, Redis, ElasticSearch, and Temporal—patterns commonly found in established SaaS products where performance, observability, and operational discipline matter as much as feature delivery.
From a SaaS career perspective, the work builds durable experience in designing and evolving backend services that support product iteration without sacrificing stability. Exposure to AWS primitives (compute, storage, queues, managed databases) and high-availability concerns maps well to the day-to-day realities of subscription software: uptime expectations, latency budgets, and incremental scaling through better architecture rather than one-off fixes. The emphasis on deployment and continuous improvement also reinforces habits that translate across SaaS teams.
This role is best suited to engineers who prefer owning services end-to-end, from design through production behavior, and who enjoy diagnosing complex systems with a security-aware mindset. It will fit someone comfortable making pragmatic trade-offs, collaborating around quality, and contributing to an ecosystem where multiple services and data stores must work together predictably.
The section above is editorial commentary from The SaaS Jobs, provided to help SaaS professionals understand the role in a broader industry context.
Job Description
Description
Are you passionate and curious about server architecture?
Bizzabo is looking for a Senior Back-End Developer in Kyiv to join our fantastic engineering team.
Our server architecture is based on Java 8 and Python microservices. We are using Spring Boot framework for our Java services with ElasticSearch, Redis, Temporal, and many other buzzwords as part of our ecosystem :)
We are advocates for cutting-edge technology. We are looking for someone to join our team that is in charge of a product that connects Software and Hardware and real-time communication with an extremely interesting and lucrative product offering.
Bizzabo’s Event Experience Operating System is a modern, intuitive platform used by the world’s leading organizations to deliver immersive experiences and events at scale. Named a Leader in the Gartner® Magic Quadrant™ and Forrester Wave™ for event technology, enterprises rely on Bizzabo to manage their entire event portfolio, regardless of format or size. Bizzabo is recognized by Newsweek as a 2024 Global Most Loved Workplace and as a 2024 Top Most Loved Workplaces® for LGBTQ+ employees. Bizzabo was founded in 2011 by Boaz Katz, Alon Alroy, and Eran Ben-Shushan and is headquartered in New York and Tel Aviv.
Requirements
WHAT YOU’LL BE DOING
- Be dedicated to product quality and have excellent analytical and problem-solving skills
- Continuously design, develop, and deploy backend services
- Focus on high availability, low latency, and scalability
- Contribute your analytical abilities
- Enthusiastically research new methods for doing things
- Provide solutions to challenging problems
WHAT YOU HAVE
- 5+ years of development experience using Python
- Working with databases
- Built a microservices architecture for large-scale applications
- Have a deep understanding of security risks
- Working with AWS infrastructure: EC2, S3, RDS, SQS, etc.
- Computer science degree from a leading institute
WHAT WOULD BE A BONUS
- Familiarity with Kotlin
- Experience with Kubernetes
- Experience with TDD or a testing culture
