Senior Backend Engineer
New
Portugal, time zones close to EuropeFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 5+ years
- Required Skills
- AWSDockerPostgreSQLPythonKubernetesMongoDBCassandraGoDistributed Systems
Requirements
- 5+ years of experience designing and building distributed backend systems.
- Strong foundation in algorithms, data structures, and software design patterns.
- Hands-on Web3 experience (Blockchain systems, dApps, Smart contracts).
- Strong ownership mindset.
- Clear, proactive communication in a distributed, async-first team.
- Ability to make pragmatic decisions.
- High learning velocity and adaptability.
- Experience with containerized systems (Docker & Kubernetes).
- Databases: Postgres (SQL), MongoDB, Cassandra (NoSQL).
- Monitoring & observability: Sentry, Prometheus, Grafana.
- Hands-on experience with AWS.
- Experience with Python 3.
- Knowledge of Golang is a plus.
Responsibilities
- Design, build, and maintain scalable distributed backend systems powering platform and product capabilities.
- Own backend services end-to-end: from architecture and implementation to monitoring and long-term reliability.
- Work closely with product and engineering peers to actively shape product decisions.
- Build and evolve Web3 platform backend components, including protocol integrations, support for newly emerging blockchain networks, and reliable interactions with smart contracts.
- Ensure high standards of code quality, performance, security, and observability.
- Operate comfortably in a fast-paced startup environment, balancing speed and correctness.
- Leverage AI-assisted tools to improve development velocity, code quality, and personal productivity.
- Contribute to technical discussions, reviews, and mentorship within the engineering team.
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