Backend Engineer

• Design, develop and operate backend services using Python
• Build and maintain scalable ingestion and processing pipelines for scientific metadata and full-text content
• Modernize existing intervention workflows and migrate processes to Apache Airflow
• Design and implement robust REST APIs for internal applications, partners and external tools
• Optimize search capabilities with OpenSearch, including indexing strategies and relevance tuning
• Support integration of AI-powered retrieval solutions and model context logging services
• Improve data quality through enrichment, deduplication and automated processing workflows
• Contribute to the modernization of digitization and archiving services
• Execute large-scale data migrations while ensuring metadata consistency and quality
• Develop containerized applications and support modern deployment processes
• Implement automated tests, code reviews, monitoring and CI/CD practices
• Contribute to open-source software and support the open-science community.

Backend Python Engineer

• Contribute to UI/UX concepts and user interfaces in accordance with existing design guidelines
• Develop and maintain Angular-based frontend applications
• Support and collaborate with the Lead Full-Stack Developer on architectural matters
• Develop and integrate PHP-based APIs
• Ensure high code quality and compliance with development standards

UX/UI Developer – Angular, PHP

• Develop and maintain server-side components using PHP and Python (Django).
• Design and implement database schemas and interactions.
• Develop frontend components using HTML, CSS, and JavaScript.
• Ensure high performance, scalability, and security of the platform.
• Work closely with German-speaking clients to gather requirements and provide technical support.

Full Stack Engineer, PHP, Python, Frontend

• Provide technical leadership and make architectural contributions in backend services that collect and process telemetry at scale from data sources in customer environments
• React to changes in environment and render policies in highly scalable manner to large number of enforcement points
• Implement API endpoints that need to respond with minimal latencies even when crunching large volumes of data.
• Be deployed in highly complex distributed system environments and involve failure modes unique to those environments.

Software Engineering Technical Leader – Backend Services

• Consulting and support for migrations from Microsoft SQL Server to PostgreSQL
• Definition and review of target architectures for PostgreSQL environments
• Analysis of existing database landscapes, data models and workloads
• Planning and execution of migrations, including strategies, testing and cutover concepts
• Performance optimization (query tuning, indexing, resource management)
• Conducting sizing, capacity and scaling analyses
• Design of high-availability, backup, recovery and disaster recovery strategies
• Migration and adaptation of database objects (e.g. stored procedures, views, triggers)
• Identification of SQL Server–specific dependencies and migration to PostgreSQL
• Support for test concepts and execution of migration tests
• Preparation of documentation and best practices, and knowledge transfer

ICT Database Engineer, SQL, PostgreSQL

• Develop and maintain robust Java applications to support internal and external business operations.
• Work closely with cross-functional teams to gather requirements and translate them into technical specifications.
• Implement new features, enhancements, and bug fixes while ensuring adherence to best coding practices.
• Participate in code reviews to improve code quality and promote knowledge sharing within the development team.
• Troubleshoot and debug applications to ensure optimal functionality and performance.
• Collaborate with DevOps teams to streamline deployment processes and improve system reliability.
• Engage in continuous learning to stay updated with the latest Java technologies and frameworks.

Mid/Senior Java Developer

• Develop and maintain scalable backend systems using Golang
• Implement CI/CD pipelines to optimize software deployments
• Monitor and improve system performance and reliability
• Collaborate with the development team to solve technical challenges
• Participate in code reviews and promote best practices within the team

Senior Golang Backend Engineer

• Write reusable, testable, and efficient code — backed by thorough unit and regression tests that keep the platform reliable as it evolves.
• Develop our core C++ applications and library for importing and analyzing genetic data.
• Take complete ownership of projects ranging from a few days to a month, delivering working end-to-end implementations from design through testing and deployment.
• Assist in the optimization and architecture of our platform for maximum speed, high availability, and scalability — pushing the limits of what's possible with large-scale genomic data.
• Maintain and improve our internal high-performance clinical annotation tools and the custom databases purpose-built and optimized for genetics workloads.
• Contribute to clear, lasting documentation of software architecture and implementation details so the team can build on.
• Partner with backend engineers, bioinformaticians, and product stakeholders to scope work, align on interfaces, and deliver cohesive end-to-end features.

C++ Developer

• Engage with several Snowflake customers
• Lead technical streams of client data platform implementations and on-boarding efforts
• Collaborate with Customer Engagement and Delivery matrix resources for project management and functional support
• Help clients troubleshoot implementations and integrate the product
• Identify, document, triage, and track issues for resolution
• Contribute to the growth of Customer Delivery and Training teams through documentation and optimization
• Gather product feedback from customers to inform new features

Technical Architect

• Develop and maintain scalable backend systems using Golang
• Implement CI/CD pipelines to optimize software deployment
• Monitor and improve system performance and reliability
• Collaborate with the development team to solve technical challenges
• Participate in code reviews and promote best practices within the team

• Strengthen Optiml’s backend and data architecture by identifying and solving the highest-leverage technical bottlenecks across the platform.
• Raise engineering standards and execution velocity by mentoring the team, improving system design practices, and driving clarity on trade-offs.
• Build scalable, robust systems that support Optiml’s transition from early-stage product to scale-up infrastructure.
• Contribute directly to critical backend systems and data pipelines as a hands-on IC, delivering high-impact technical outcomes.
• Shape technical direction and prioritisation by working closely with Product and leadership to align engineering efforts with business impact.
• Own and evolve backend architecture, ensuring scalability, performance, and maintainability as the product grows.
• Drive system design decisions across data pipelines, services, and infrastructure.
• Act as a strong IC contributing directly to core backend systems and data-intensive applications.
• Mentor engineers and elevate overall team capability through reviews, feedback, and hands-on guidance.

Tech Lead – Backend Focus

• Take technical responsibility for the development and maintenance of business applications
• Design robust, headless architectures for high-traffic websites
• Lead the optimization of CI/CD processes and continuous integration
• Serve as a technical mentor for development teams

Tech Lead, PHP

• Sviluppo e testing di applicazioni web
• Coinvolgimento in attività di sviluppo con focus su microservizi
• Collaborazione attiva all'interno del team

Backend Engineer jobs in Switzerland

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Backend Python Engineer

UX/UI Developer – Angular, PHP

Full Stack Engineer, PHP, Python, Frontend

Software Engineering Technical Leader – Backend Services

ICT Database Engineer, SQL, PostgreSQL

Mid/Senior Java Developer

Senior Golang Backend Engineer

C++ Developer

Technical Architect

Senior Golang Backend Engineer

Tech Lead – Backend Focus

Tech Lead, PHP

Java Developer