Senior Backend Developer

November 24

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Certn

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B2B • HR Tech • Compliance

Certn is a leading platform that specializes in providing comprehensive and efficient background checks for businesses worldwide. Designed to accommodate the dynamic needs of various industries, Certn offers tech-driven solutions that streamline the background check process, reducing time-to-hire by up to 80% and costs by up to 30%. With its innovative no-code, low-development technology, Certn conducts a range of checks including criminal record, identity, employment, and credential verifications across more than 200 countries and territories. By integrating seamlessly with existing systems through its API, Certn ensures a smooth and enhanced candidate experience, making it the preferred choice for businesses of all sizes in need of reliable, fast, and cost-effective screening solutions.

201 - 500 employees

🤝 B2B

👥 HR Tech

📋 Compliance

💰 $109M Series B on 2023-05

📋 Description

• Design, implement and evolve back-end features with a strong emphasis on testability, maintainability and extensibility. • Set and uphold a high standard of code and system quality across the back-end domain. Lead, coach or champion best practices (unit/integration testing, code reviews, clean architecture). • Collaborate cross-functionally: work with product, DevOps and infrastructure teams to deliver holistic end-to-end solutions and ensure seamless integration between user-facing and server-side systems. • Improve system performance, scalability and reliability: proactively identify bottlenecks, optimize database queries and data flows, refactor legacy services and resolve defects in production and staging environments. • Write comprehensive tests (unit, integration, end-to-end) for both new and existing code bases to ensure high confidence in deployment and changes. • Monitor deployment pipelines, live environments, and service metrics. Take ownership of the health, observability and correctness of your team’s code in production. • Identify opportunities to improve system design, including microservices, API design, data modelling, caching strategies, and service orchestration. • Contribute to defining new patterns and architectures in our back-end ecosystem, and drive adoption across the engineering organization. • Work closely with adjacent teams (platform, infrastructure, security) to ensure new designs are aligned with infrastructure, security, operations and scaling requirements. • Make trade-offs consciously: balance performance, cost, maintainability, and developer productivity when designing or evolving services. • Mentor peers through architectural reviews, design discussions and by sharing rationales and documentation for chosen approaches. • Provide technical mentorship to others through coaching and paired coding. • Document your work to inform future units of work or explain concepts and principles to other developers & stakeholders. • Contribute to the technical discovery of projects. • Create tickets for technical work that are a result of technical investigations. • Contribute to the scoping of project work in various scrum ceremonies. • Support project leads by ensuring the right thing gets built. • Lead projects through the technical discovery, execution, and deployment stages.

🎯 Requirements

• Work closely with peers - other back-end engineers, DevOps/infra teams, front-end teams - in a collaborative manner to solve complex system-level problems. • Communicate your perspectives on improvements in team discussions, advocate for optimal back-end architecture, patterns or trade-offs. • Continuously leave things better than you found them. Champion improvements in team practices, processes, tooling (especially for back-end development, deployment, observability) to help reliably deliver high-quality results. • Apply strong software- engineering principles in a team context so that back-end code is accessible, maintainable, extensible and scalable. • Release large-scale back-end applications (and optionally front-end where relevant) into production environments. • Develop and test server-side logic using languages and frameworks such as Python + Django (or equivalent), with minimal involvement in CSS/HTML only when necessary. • Architect, implement and test APIs, data models, high-throughput services and asynchronous workflows. • Write and execute a full spectrum of tests - from unit tests, integration tests, to end-to-end functional tests - to ensure correctness and reliability across back-end systems.

🏖️ Benefits

• Competitive salary • Comprehensive health benefits • Generous paid time off