Senior Backend Developer
Backend Developer
Salary
Location
Benefits
13th month salary
Laptop/desktop for works
Other benefits
Full social insurance
Flexible working time
Work-from-home
Job Overview And Responsibility
- Design, architect, and own highly reliable and scalable backend systems end-to-end, from initial design through production monitoring. - Translate complex product requirements into clear technical solutions and actionable development plans. - Lead system design discussions and drive architectural decisions for critical services. - Develop and maintain comprehensive documentation and unit tests. - Actively participate in technical discussions, challenge assumptions, and demonstrate a commitment to innovative problem-solving. - Identify and eliminate systemic bottlenecks — propose platform-level improvements, not just feature- level fixes. - Introduce innovative ideas and recommend integration of latest technologies to enhance team practices and software performance. - Maintain frequent and clear communication with peer developers, team leads, and cross-functional stakeholders.
Required Skills and Experience
- Minimum 5+ years of hands-on experience in Golang in production environments. - 7–12+ years of overall software engineering experience, with a demonstrable track record of building and scaling backend systems at high traffic. - Proven experience in system design at scale: distributed systems, data pipelines, or platform infrastructure serving hundreds of thousands of users or more. - Fluent in English (working daily with Tech Lead in Finland) - Experience building or maintaining observability/monitoring infrastructure (e.g., Datadog, Grafana, Prometheus, Kibana or equivalent). - Deep knowledge of relational databases and strong command of SQL. - Strong knowledge of Docker and container runtimes, coupled with solid experience with Kubernetes in production. - Solid experience with AWS or equivalent cloud service providers (Azure, GCP), including infrastructure provisioning via Terraform or equivalent. - Proficiency with Git or equivalent distributed version control systems. - Demonstrated experience applying modern software development principles (SOLID, design patterns, testing methodologies). - Familiarity with AI code assistants and intelligent developer tools; ability to critically evaluate AI- generated suggestions without blind acceptance. - Excellent verbal and written communication skills, with the ability to clearly articulate complex technical ideas to both technical and non-technical audiences. - Proven ability to work autonomously and take strong ownership, delivering high-quality results with minimal supervision.
Why Candidate should apply this position
- Hybrid work (3 days/week). - Working hours: 08:00 - 17:00 (1 hour lunch break). - Ambition: We think big, and don’t limit our vision for what is possible. - Agility: We operate with agility, adapting swiftly to market changes and customer needs. - Innovation: Our team thrives on innovation, constantly seeking new ways to improve our products and services. - Diversity: CubiCasa embraces diversity, recognizing that different perspectives lead to better solutions. - Work-Life Balance: CubiCasa values work-life balance, promoting flexible schedules and remote work options.
Preferred skills and experiences
- Prior experience at a high-growth tech company - Experience integrating AI/LLM tooling into backend workflows (e.g., LangChain, DSPy, MLFlow or equivalent). - Experience with data engineering tools: Airflow, PySpark, Kafka, or similar pipeline frameworks. - Experience in Front-End or Full-Stack development and understanding of the full application lifecycle. - Understanding of cybersecurity principles and best practices. - Experience building, maintaining, and optimizing CI/CD pipelines. - Comfortable and proficient with shell scripting.
Report to
Tech Leader
Interview process
- Initial call – 30 minutes- Phase 1: Algorithm live coding session (1h30m)- Phase 2: Team culture and working style interview (1h); All in English
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Hằng Nguyễn
Headhunter | Recruiter
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