Category: Back End
We are looking for a Senior Python / JavaScript Engineer to join our engineering team and help design, build, and operate scalable backend systems. In this role, you will work closely with engineering and product teams to deliver reliable services, contribute to architectural decisions, and take ownership of complex technical challenges.
The ideal candidate is a strong communicator, highly proactive, and comfortable operating in modern cloud environments with distributed microservices.
Key Responsibilities
- Design, develop, and maintain scalable backend systems using Python and Node.js / TypeScript.
- Collaborate closely with engineering and product teams to translate technical concepts into clear solutions.
- Take ownership of complex technical problems and ensure reliable delivery of solutions.
- Design and operate large-scale microservices architectures in GCP or similar cloud platforms.
- Build and maintain clean, well-structured APIs and service interfaces.
- Implement and manage asynchronous and concurrent systems.
- Ensure services follow security best practices, including authentication, RBAC, and secure API design.
- Improve system scalability, resilience, and fault tolerance, including graceful degradation and horizontal scaling.
- Troubleshoot and resolve production issues, applying strong debugging and problem-solving skills.
- Proactively identify risks, inefficiencies, and opportunities for technical improvements.
Required Qualifications
- Strong written and spoken English communication skills, with the ability to explain technical concepts clearly.
- Extensive experience with Python and Node.js / TypeScript for backend development.
- Experience designing and running microservices-based systems in GCP or similar modern cloud platforms.
- Strong understanding of distributed and asynchronous systems, including concurrency.
- Solid experience with API and service design.
- Knowledge of web service security best practices (authentication, RBAC, secure APIs).
- Deep understanding of cloud scalability and resiliency patterns.
- Excellent debugging and production troubleshooting skills.
- High level of ownership, initiative, and reliability in delivering solutions.
Nice to Have
- Experience with React or other modern frontend frameworks.
Dear Candidate,
At Zazmic, we believe hiring should be thoughtful and human. While technology and AI help streamline the process, we also make sure every application is reviewed with real attention from our recruiters.
To help us better understand your experience and how it aligns with the role, we may ask for a bit of additional information. Your input helps us evaluate your profile more accurately and move the process forward efficiently.
Please note that Zazmic may not respond to every application if we determine the role isn’t the right match. This helps us keep the process fair and focused for everyone involved.
Thank you for your interest in joining Zazmic.
Best regards,
The Zazmiс Team
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We are looking for an experienced Senior Backend Engineer to join a team building advanced Conversation AI solutions. In this role, you will collaborate with Product, SRE, and Engineering teams to design and deliver scalable backend systems and next-generation platform capabilities.
Responsibilities
Own features across the entire development lifecycle
Develop clean, maintainable, and well-tested backend code
Design and build secure, high-quality REST APIs using an API-first approach
Improve and refactor existing code as the platform evolves
Work with third-party integrations
Participate in code reviews and contribute to engineering best practices
Maintain technical documentation
Track and communicate progress through Jira
Collaborate closely with cross-functional teams
Requirements
7+ years of Java development experience, ideally in SaaS/PaaS environments
Strong experience with Spring / Spring Boot, Maven, and ORM frameworks
Experience building REST APIs and working with OpenAPI/Swagger
Solid knowledge of PostgreSQL, Redis, AWS, and CI/CD pipelines
Strong production troubleshooting and debugging skills
Experience using AI-assisted development tools (e.g., Claude Code, Codex, Cursor)
Ability to quickly adapt to new technical environments
Nice to have
Experience with Python (API development)
Experience with React or similar JavaScript frameworks
Dear Candidate,
At Zazmic, we believe hiring should be thoughtful and human. While technology and AI help streamline the process, we also make sure every application is reviewed with real attention from our recruiters.
To help us better understand your experience and how it aligns with the role, we may ask for a bit of additional information. Your input helps us evaluate your profile more accurately and move the process forward efficiently.
Please note that Zazmic may not respond to every application if we determine the role isn’t the right match. This helps us keep the process fair and focused for everyone involved.
Thank you for your interest in joining Zazmic.
Best regards,
The Zazmiс Team
