AI
Aleph Group, IncSenior Backend Developer
Senior Backend Developer specializing in designing and building event - driven systems. Part of a digital advertising team working with major platforms globally.
About the role
- Integrate models into backend systems and create API endpoints for model interaction.
- Develop and maintain scalable microservices using REST, gRPC, or GraphQL.
- Optimize database queries and schemas.
- Implement security features including authentication and authorization.
- Develop and maintain web interfaces using ReactJS.
- Implement and maintain state management using Redux or React Query.
- Collaborate with frontend developers for efficient API integration.
- Troubleshoot and resolve production issues to ensure high availability.
- Write unit and integration tests.
- Monitor and optimize backend performance using observability tools.
- Participate in design discussions to enhance system robustness.
- Maintain technical documentation.
Requirements
- Bachelor degree in Computer Science, Software Engineering, or any related field, or equivalent practical experience.
- Minimum 8 years of experience in backend development, with a strong focus on building scalable, high-performance systems.
- Python expertise, with hands-on experience building backend services and APIs using FastAPI, Flask or similar.
- Experience designing and developing end-to-end (E2E) tests.
- Solid understanding of microservices architecture, event-driven systems, and service-oriented design patterns.
- In-depth knowledge of SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
- Experience with ETLs and data transformation.
- Expertise in HTML, CSS, JavaScript, and ReactJS.
- Extensive experience with cloud platforms such as AWS.
- Proficiency with Docker and orchestration tooling such as ECS.
- Hands-on experience with API security protocols: JWT, OAuth2, OpenID Connect, Active Directory (Microsoft Entra ID).
- Proficiency with Git, GitHub Actions and CI/CD pipelines.
- Proficiency with performance tuning and scalability techniques (load balancing, caching, indexing).
- Nice-to-have: Kafka or AWS SQS, IaC tools like Terraform or CloudFormation, observability tools (CloudWatch, Datadog), serverless architectures (AWS Lambda), Agile/Scrum experience, AWS certifications.
- Authorization to work in Spain or Portugal without visa sponsorship.
- Comfortable traveling to client's UK office approx 25% monthly.
Benefits
- The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built.
- The opportunity to form part of an amazing, multicultural community of tech experts.
- A highly competitive compensation package.
- Medical insurance.
Job title
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ES
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