Senior Backend Engineer
Worldhire Global
Posted by a Verified Recruiter
Industry
-
Location
London, United Kingdom
Work mode
onsite
Job type
full-time
Annual salary
£30 - £70
Minimum experience
10+ years
Posted
5th August, 2026
Required skills
PythonFastAPIFlaskmicroservicesDockerKubernetesSnowflakeAWS DynamoDBRDSMySQLMongoDBElasticsearchOpenSearchSolrAWS LambdaStep FunctionsSQSCI/CDGitHub ActionsOctopusPrometheusGrafanaCloudWatch
About the company
WorldHire helps organizations access top global talent through leadership hiring, specialist recruitment, contract staffing, and cross-border search. With KORUM, we are building a trusted talent discovery platform that enables professionals to be discovered discreetly and helps companies find the right expertise faster and more effectively.
About the role
Senior Backend Engineer
Job Location: London, UK
Role Overview:
- The Senior Backend Engineer will join an existing development team to enhance and expand a complex,
- dynamic application. The role requires strong communication skills and technical expertise in backend
- systems. You will collaborate with global teams spanning multiple time zones and actively contribute to the
- development of scalable, high-performance server-side solutions. We are looking for a skilled AI
- Engineer/Software Engineer with experience in Python, Java, Elasticsearch, and GenAI.
Responsibility:
Collaborate with cross-functional teams to design and implement backend services and APIs.Write efficient, scalable, and maintainable server-side code using modern backend technologies.
Develop and optimize microservices for high-performance distributed systems.
Streamline real-time data processing and event-driven architectures.
Conduct unit, integration, and load testing to ensure system reliability and performance.
Implement RESTful APIs and server-side logic using Python and FastAPI.
Develop and deploy containerized applications in cloud environments (e.g., Docker, Kubernetes).
Work with server-side events and messaging queues (e.g., SQS) to support real-time communication.
Ensure application security, scalability, and resilience through robust backend design.
Must Have skills:
- Strong experience with Python, particularly in building REST APIs using frameworks like FastAPI or Flask.
- Expertise in microservices architecture and deployment in containerized environments (e.g., Docker,Kubernetes).
- Solid understanding of databases (e.g., Snowflake, AWS DynamoDB, RDS, MySQL, MongoDB).
- Experience with distributed search and indexing technologies (e.g., Elasticsearch, OpenSearch, Solr)
- Proficiency with server-side events, event-driven architectures, and messaging systems.
- Experience with cloud-based deployment on AWS, including Serverless platforms like AWS Lambda,
Step Functions, and SQS.
- Advanced knowledge of CI/CD tools and pipelines (e.g., GitHub Actions, Octopus).
- Strong problem-solving skills and experience debugging and optimizing backend systems.
- Solid understanding of security best practices for backend systems, including authentication and
- data protection.
- Other Qualifications:
- 10+ years of experience as a backend engineer.
- Experience with agile development methodologies.
- Knowledge of web servers and backend frameworks.
- Proficiency in logging and monitoring tools for backend systems (e.g., Prometheus, Grafana, CloudWatch).
- Experience integrating with third-party APIs and ensuring data consistency.
Flexibility to work across global time zones (EST, IST, and others).
Nice-to-Have Skills:
- Exposure to GenAI application development and RAG-based systems.
- Familiarity with infrastructure as code tools like Terraform or CloudFormation.
- Strong grasp of distributed systems and high-performance backend architecture.
- Experience with Elastic Search or similar enterprise search solutions
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