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We are looking for a Backend Developer to design, build, and maintain the server-side logic of our applications. You will be responsible for ensuring high performance, scalability, and security of the back-end services, while integrating with front-end and third-party systems. This role involves problem-solving, collaboration with cross-functional teams, and delivering reliable APIs and data pipelines.
Responsibilities
Responsibilities
- Design, develop, and maintain back-end services, APIs, and databases.
- Build scalable systems that handle high volumes of requests and data.
- Implement security and data protection best practices.
- Optimize application performance and troubleshoot issues.
- Work closely with front-end developers and other stakeholders to integrate user-facing elements.
- Manage database schemas, queries, and migrations (SQL and/or NoSQL).
- Write clean, maintainable, and testable code.
- Contribute to code reviews, system architecture, and technical documentation.
- Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience.
- Proven experience as a Backend Developer, Software Engineer, or similar role.
- Proficiency in at least one back-end language and framework: Node.js/Express, Python (Django/Flask/FastAPI), Java (Spring Boot), or Ruby on Rails.
- Strong knowledge of databases (PostgreSQL, MySQL, MongoDB, Redis).
- Experience building and consuming RESTful APIs and/or GraphQL.
- Familiarity with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes).
- Strong understanding of system design, scalability, and security principles.
- Experience with version control (Git/GitHub/GitLab) and CI/CD pipelines.
- By applying to this position, we’ll create your Simera Professional Key (SPK) — a unique key that helps you connect with employers, stand out, and secure the right match.
Key Skills
Ranked by relevance
containerization
restful apis
spring boot
postgresql
python
docker
server
mysql
cloud
java
ruby
cicd
sql
aws
gcp
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- Posted
- Apr 07, 2026
- Type
- Full-time
- Level
- Not Applicable
- Location
- Ottawa
- Company
- Core Code io
Industries
Staffing
Recruiting
Categories
Other
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