Senior Backend Python Engineer
On site
London, United Kingdom
Full Time
14-02-2025
Job Specifications
We are looking for a highly skilled Backend Engineer to design, develop, and maintain scalable, secure, and efficient server-side applications.
The ideal candidate should have experience in microservices architecture, API development, and database management, ensuring high availability and performance of backend services.
In this role, you will collaborate closely with frontend engineers, product managers, and other stakeholders to build robust backend solutions that power our applications.
A strong focus on Separation of Concerns (SoC), security best practices, and performance optimization is crucial for success in this position.
Key Responsibilities:
Manage, host, and serve AI/ML models (MLOps), by ensuring their scalability, reliability, and performance in production environments.
Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions).
Develop and maintain scalable services, e.g. Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration.
Optimize database queries and schemas to improve performance, scalability, and reliability.
Implement security features, including authentication and authorization using industry-standard practices.
Collaborate with frontend developers to ensure efficient API integration and a seamless user experience.
Troubleshoot and resolve production issues, ensuring high availability and minimal downtime.
Write unit and integration tests to maintain code reliability and ensure high- quality releases.
Continuously monitor and optimize backend performance using observability tools such as Datadog, Cloud Watch or similar.
Participate in design discussions and decision-making to enhance system robustness and scalability.
Maintain technical documentation to ensure clear communication of system capabilities and updates.
Qualifications:
Education & Experience:
A Bachelor's degree in Computer Science, Software Engineering, or a related field is required, or equivalent practical experience.
Minimum 8 years of experience in backend development, with a strong focus on building scalable, high-performance systems.
Technical Skills:
Python expertise, with hands-on experience building backend services and APIs using FastAPI, Flask or similar.
A solid understanding of microservices architecture, event-driven systems, and service-oriented design patterns.
In-depth knowledge of SQL databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB) for data management and optimization.
Extensive experience with cloud platforms such as AWS including services for database hosting, API management, and serverless computing.
Proficiency with Docker for containerization and orchestration tooling such as ECS (Amazon Container Services), enabling scalable application deployment.
Hands-on experience with API security protocols, including JWT, OAuth2, and OpenID Connect, Active Directory (now Microsoft Entra ID) to secure sensitive data and control access.
Proficiency with Git for version control, GitHub Actions and CI/CD pipelines to automate and streamline development workflows.
Proficiency with performance tuning and scalability techniques, such as load balancing, caching, and database indexing.
Soft Skills:
Strong analytical and problem-solving skills, with the ability to quickly assess and address technical challenges.
Excellent communication skills, both written and verbal, for collaborating with cross-functional teams and documenting technical solutions.
A proactive, self-motivated approach to addressing issues and driving improvements in backend systems.
A strong commitment to continuous learning and staying up-to-date with emerging technologies and industry best practices
Nice-to-Have Qualifications:
Familiarity with message brokers such as Kafka, or AWS SQS for handling asynchronous communication.
Experience with Infrastructure as Code (IaC) tools like Terraform or CloudFormation for managing cloud infrastructure.
Knowledge of observability and monitoring tools, such as Cloud Watch or Datadog, to track and troubleshoot system performance.
Familiarity with serverless architectures (e.g., AWS Lambda) and eventdriven programming paradigms.
Exposure to Agile/Scrum methodologies and tools like Jira for managing tasks and sprint planning.
Certifications in cloud technologies, such as AWS Certified Developer
What we'll offer you in return:
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.
Come and join our #ParserCommunity.
https://parserdigital.com/
About the Company
At Parser we help organisations leverage on digital to advance their business strategy. For us, creativity, talent, and passion are indispensable to succeed. This is why we are committed to building, nurturing, and empowering a diverse, multi-disciplinary environment, where every team member can grow professionally and achieve their ambitions, while helping our clients deliver amazing digital products. Thanks to our flexible, distributed model of global operation and the high calibre of our experts, we have enjoyed triple... Know more
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