Technical-Jobsuche für Backend

31 Stellenangebote für Backend

Senior Backend Engineer (m/w/d) - Shop Backend - Onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

Additionally, you’ll focus on hardening and optimizing the API for production, tackling technical challenges as the platform scales. What you will do Develop a gRPC API in Go that encapsulates core business logic in a simple-to-use API for our frontend developers Improve scalability and technical performance of our API and its response times Work on a high-scalable product in the AWS ecosystem Have a direct impact on team processes by regular agile retrospectives Exchange your knowledge with other developers and be part of our ABOUT YOU TECH community Who you are You are very proficient in Go development You have 5+ years of experience in building complex backend API’s You have experience in working with relational databases (e.g.

Stellenangebot Senior Backend Engineer (m/w/d) - Shop Backend - Onsite in Hamburg or Berlin ansehen

Backend Python Developer (m/f/d) Basel Stadt

Deliver backend development for a multi-agent evaluation platform within an agile setup Provide technical consulting to the project team and contribute to solution design Build and maintain backend services aligned with defined functional requirements Design and implement APIs for seamless integration across internal applications Collaborate with cross-functional teams to clarify and solve technical integration needs Apply modern data processing and analysis techniques to support platform evolution Improve system performance through testing strategies, code reviews, and tooling enhancements Support UI implementation and ensure smooth deployment in cloud and HPC environments Academic background or equivalent experience in a computing, engineering, or data-related field Strong expertise in Python programming Solid understanding of REST API design and implementation Hands-on experience with machine-learning engineering, ideally in scientific or technical domains Proficiency with CI/CD pipelines using GitLab Experience with GitOps workflows and Kubernetes-based service hosting Ability to implement or contribute to user interface components Knowledge of LLMs, multi-agent frameworks, and working in high-performance computing environments Opportunity to work on an award-winning, innovative scientific-technology project Highly collaborative, cross-functional environment with modern engineering practices Exposure to advanced ML, multi-agent systems, and cutting-edge data technologies Flexible hybrid working model with a dynamic team culture Ihr Kontakt Referenznummer 863129/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot Backend Python Developer (m/f/d) ansehen

Backend Python Developer (m/f/d) Basel Stadt

Deliver backend development for a multi-agent evaluation platform within an agile setupProvide technical consulting to the project team and contribute to solution designBuild and maintain backend services aligned with defined functional requirementsDesign and implement APIs for seamless integration across internal applicationsCollaborate with cross-functional teams to clarify and solve technical integration needsApply modern data processing and analysis techniques to support platform evolutionImprove system performance through testing strategies, code reviews, and tooling enhancementsSupport UI implementation and ensure smooth deployment in cloud and HPC environments Academic background or equivalent experience in a computing, engineering, or data-related fieldStrong expertise in Python programmingSolid understanding of REST API design and implementation Hands-on experience with machine-learning engineering, ideally in scientific or technical domainsProficiency with CI/CD pipelines using GitLabExperience with GitOps workflows and Kubernetes-based service hostingAbility to implement or contribute to user interface componentsKnowledge of LLMs, multi-agent frameworks, and working in high-performance computing environments Opportunity to work on an award-winning, innovative scientific-technology projectHighly collaborative, cross-functional environment with modern engineering practicesExposure to advanced ML, multi-agent systems, and cutting-edge data technologiesFlexible hybrid working model with a dynamic team culture Ihr Kontakt Referenznummer 863129/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot Backend Python Developer (m/f/d) ansehen

Senior Backend Engineer (m/w/d) - Fulfillment Services - Hamburg (hybrid) Hamburg (hybrid)

Can perform complex technical tasks independently Can handle pressure in critical situations (e.g. technical emergencies) by remaining calm and finding pragmatic solutions and clearly communicating these.

Stellenangebot Senior Backend Engineer (m/w/d) - Fulfillment Services - Hamburg (hybrid) ansehen

Senior Backend Engineer (m/w/d) - Checkout - Hamburg or Berlin (hybrid) Hamburg oder Berlin (hybrid)

What you will do You can take a business problem, translate it into a technical problem, and work with the team to ensure it is properly designed, planned, and delivered. Help envision and work hand-in-hand with other colleagues to develop a scalable software architecture for our API written in PHP.

Stellenangebot Senior Backend Engineer (m/w/d) - Checkout - Hamburg or Berlin (hybrid) ansehen

Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

TypeScript) Solid know how in working with SQL or No-SQL databases You write well-structured, efficient and maintainable code and actively keep the quality of the code base in check You have excellent analytical and problem-solving skills You are used to working in an English-speaking and agile environment You raise the bar of the software you work on You enjoy investigating the ‘why’ behind specific search outcomes and translating those findings into actionable technical enhancements Nice to have Experience with Elasticsearch or OpenSearch Experience building Data Models using dbt Experience in working with a MPP data warehouse (e.g.

Stellenangebot Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin ansehen

Senior Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

TypeScript) Solid know how in working with SQL or No-SQL databases You write well-structured, efficient and maintainable code and actively keep the quality of the code base in check You have excellent analytical and problem-solving skills You are used to working in an English-speaking and agile environment You raise the bar of the software you work on You enjoy investigating the ‘why’ behind specific search outcomes and translating those findings into actionable technical enhancements Nice to have Experience with Elasticsearch or OpenSearch Experience building Data Models using dbt Experience in working with a MPP data warehouse (e.g.

Stellenangebot Senior Backend Engineer (m/f/d) - Search Engine - onsite in Hamburg or Berlin ansehen

Softwareentwickler C# (m/w/d) Karlsdorf-Neuthard

REST/gRPC) nach Clean-Architecture/SOLID und Domain-Driven-Design; Review, Refactoring und Technical Debt Management gehören dazu Qualitätssicherung durch automatisierte Tests (Unit/Integration), Code-Reviews und statische Analyse; Ende-zu-Ende-Tests für kritische Lagerprozesse Observability und Betriebssicherheit: Logging/Tracing/Metrics (OpenTelemetry), Feature-Toggles, Fehlerbudgets und Post-Mortems Security by Design nach OWASP ASVS (z.

Stellenangebot Softwareentwickler C# (m/w/d) ansehen

Softwareentwickler C# (m/w/d) Karlsdorf-Neuthard

REST/gRPC) nach Clean-Architecture/SOLID und Domain-Driven-Design; Review, Refactoring und Technical Debt Management gehören dazu Qualitätssicherung durch automatisierte Tests (Unit/Integration), Code-Reviews und statische Analyse; Ende-zu-Ende-Tests für kritische Lagerprozesse Observability und Betriebssicherheit: Logging/Tracing/Metrics (OpenTelemetry), Feature-Toggles, Fehlerbudgets und Post-Mortems Security by Design nach OWASP ASVS (z.

Stellenangebot Softwareentwickler C# (m/w/d) ansehen

Staff App Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

Strong communicator: You can communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g. Product, Design). Team player: You actively share knowledge, inspire other team members, and aim to fulfill team goals.

Stellenangebot Staff App Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin ansehen

Principal App Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

Strong communicator: You can communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g. Product, Design). Team player: You actively share knowledge, inspire other team members, and aim to fulfill team goals.

Stellenangebot Principal App Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin ansehen

Head of Engineering (m/w/d) - SCAYLE Agency - onsite in Hamburg Hamburg (hybrid)

What you will do Technical Authority: Define backend architecture standards, hosting strategies, and binding technical directions across all agency projects.

Stellenangebot Head of Engineering (m/w/d) - SCAYLE Agency - onsite in Hamburg ansehen

Senior Frontend Engineer (m/w/d) - SCAYLE Project Delivery Add-ons - Hamburg or Berlin (hybrid) Hamburg oder Berlin (hybrid)

As part of SCAYLE’s Add-on Unit, we build modular, plug-and-play e-commerce solutions that extend the SCAYLE commerce engine and enable additional capabilities for our tenants. As a Senior Frontend Engineer, you are a key technical contributor within a team of 5–6 engineers. You architect and implement scalable micro-frontend features using Vue.js 3 and Vite, integrating complex add-ons directly into the SCAYLE core panel via SingleSpa.

Stellenangebot Senior Frontend Engineer (m/w/d) - SCAYLE Project Delivery Add-ons - Hamburg or Berlin (hybrid) ansehen

Lead Fullstack Developer (m/w/d) - SCAYLE Project Delivery Add-ons - Hamburg or Berlin (hybrid) Hamburg oder Berlin (hybrid)

You ensure performance, security, and maintainability while guiding the team through complex technical decisions. This is a senior, hands-on leadership role requiring 10+ years of experience in building and operating scalable web applications in production environments.

Stellenangebot Lead Fullstack Developer (m/w/d) - SCAYLE Project Delivery Add-ons - Hamburg or Berlin (hybrid) ansehen

Senior Quality Assurance Manager (m/w/d) - SCAYLE - onsite in Hamburg or Berlin Hamburg or Berlin (hybrid)

What you will do Perform high-quality manual testing across multiple client e-commerce projects (Desktop, Mobile Web and Tablet), covering the complete customer journey from discovery to checkout Collaborate closely with frontend developers and project teams to understand client requirements and develop tailored testing strategies for each implementation Oversee quality across diverse client implementations while ensuring consistent excellence and optimal user experiences Take ownership of bug reports and tickets from clients, internal stakeholders, and end-users, prioritizing them based on business impact and project timelines Contribute to the development and evolution of SCAYLE Agency’s testing framework and automated testing strategy across client projects Act as a quality advocate within cross-functional agency teams, promoting best practices and driving continuous improvement across multiple client engagements Coordinate testing efforts across parallel client projects to ensure successful delivery of high-quality features within agency timelines Support holistic testing approaches across the full technology stack, understanding how frontend integrations connect with SCAYLE’s backend systems and third-party services Adapt testing strategies to accommodate varying client requirements, brand guidelines, and technical specifications Who you are You have minimum of 5 years of experience in quality assurance, testing, and debugging of frontend applications, preferably in agency or client-facing environments Proficient in manual testing techniques, including exploratory and destructive testing, as well as automated testing methodologies Familiarity with project management and ticketing tools such as Jira and Confluence for effective collaboration across agency teams and client stakeholders Strong knowledge and experience with testing tools, particularly TestRail, for efficient test management and comprehensive reporting Ability to quickly understand complex, custom-built e-commerce implementations and adapt testing approaches to different client architectures Web technologies: Solid understanding of HTML, CSS, JavaScript, browser developer tools, and REST APIs Experience working with agile methodologies in fast-paced agency environments with multiple concurrent projects Passion for delivering innovative, client-specific features quickly while maintaining the high reliability standards expected by premium brands Detail-oriented approach with strong focus on test case design, business value, brand consistency, and exceptional user experience Excellent communication skills for working directly with high-profile clients and articulating technical issues clearly Nice to have Experience with CI/CD pipelines (e.g., GitLab CI) and integrating automated tests into deployment workflows Knowledge of web performance testing (e.g., Lighthouse, Web Vitals) and optimization for enterprise e-commerce Familiarity with web accessibility (a11y) standards and testing, particularly for compliance-focused clients Previous experience in an agency environment or working on multiple concurrent client projects Understanding of SCAYLE’s modular architecture, Storefront SDKs, and Feature Packages Experience testing headless commerce implementations and API integrations Knowledge of international e-commerce requirements (multi-language, multi-currency, regional regulations) Benefits Hybrid working Fresh fruit every day Sports courses Free access to code.talks Exclusive employee discounts Free drinks Language courses Company parties Help in the relocation process Mobility subsidy State-of-the-art technology Central Location Flexible Working Hours Company pension Professional training Dog-friendly office AY Academy Feedback Culture Job Bikes YOU ARE THE CORE OF SCAYLE.

Stellenangebot Senior Quality Assurance Manager (m/w/d) - SCAYLE - onsite in Hamburg or Berlin ansehen

Teamlead Engineering (m/w/d) - App & Web - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

Mentor and coach Frontend Developers, QA Engineers, helping them grow their technical skills, understand system architecture, and advance their careers. Act as the key technical partner to the Teamlead Product to align engineering effort with business goals, product vision, and user experience requirements to share a joint vision between product and tech.

Stellenangebot Teamlead Engineering (m/w/d) - App & Web - onsite in Hamburg or Berlin ansehen

Staff Frontend Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin Hamburg or Berlin (hybrid)

Mentor and coach Frontend Developers, QA Engineers, helping them grow their technical skills, understand system architecture, and advance their careers. Act as the key technical partner to the Teamlead Product to align engineering effort with business goals, product vision, and user experience requirements to share a joint vision between product and tech.

Stellenangebot Staff Frontend Engineer (m/w/d) - App & Web - onsite in Hamburg or Berlin ansehen

Senior Fullstack Engineer (m/w/d) - Seller Center SCAYLE - onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

JavaScript Python redis PostgreSQL What you will do Design and deploy innovative features for the Seller Center to enhance the online retail experience Collaborate with product managers, UI/UX designers, and fellow engineers to brainstorm and create effective solutions Utilize the SCAYLE platform to manage product and order information efficiently Enhance application performance through strategic SQL Query optimizations Engage in code reviews to uphold high standards of code quality and foster ongoing improvement Offer technical support, and troubleshooting issues to ensure consistent service for users Explore AI-supported features to streamline workflow processes Who you are Minimum of 5 years experience as a Fullstack Engineer Experience with Django 5.

Stellenangebot Senior Fullstack Engineer (m/w/d) - Seller Center SCAYLE - onsite in Hamburg or Berlin ansehen

Frontend Developer (all genders) Product DE / Jena, DE, 07743 / Chemnitz, DE, 09112 / Berlin, DE, 10117 / Schöneck, DE, 08261

Ensure quality through unit testing, code reviews, and close collaboration with your team.    What You Bring A degree in Computer Science or a comparable technical field. Solid experience in frontend development – especially with TypeScript and Vue.js. Ideally, familiarity with Docker, Kubernetes, Linux/Windows, and GitLab.

Stellenangebot Frontend Developer (all genders) Product ansehen

(Senior) Technical Integrations Manager - Supply Tech - Onsite in Hamburg (hybrid) Hamburg (hybrid)

We are currently looking for a skilled & passionate (Senior) Technical Integrations Manager  (m/f/d). You are the bridge between commercial ambition and technical reality. Your mission is to lead the execution of complex, multi-system integration projects that enable ABOUT YOU to scale and enhance its partner business.

Stellenangebot (Senior) Technical Integrations Manager - Supply Tech - Onsite in Hamburg (hybrid) ansehen

Team Lead SCADA Software Deployment (m/f/d) Hamburg, DE, 22419

As Team Lead for SCADA Software Deployment (m/f/d) , you ensure the successful commissioning and handover of SCADA systems in wind farms worldwide. You lead an international technical team and coordinate deployment, support and continuous improvement activities. Your role is essential for enabling reliable data flow, operational readiness and a smooth transition into service operations.

Stellenangebot Team Lead SCADA Software Deployment (m/f/d) ansehen

Team Lead SCADA Software Deployment (m/f/d) Hamburg, DE, 22419

As Team Lead for SCADA Software Deployment (m/f/d), you ensure the successful commissioning and handover of SCADA systems in wind farms worldwide. You lead an international technical team and coordinate deployment, support and continuous improvement activities. Your role is essential for enabling reliable data flow, operational readiness and a smooth transition into service operations.  

Stellenangebot Team Lead SCADA Software Deployment (m/f/d) ansehen

Senior Software Engineer Chennai, State of Tamil Nādu, Indien

OpenAPI) ·5+ years of experience in overall software development lifecycle ·Familiarity with using CD/CI tooling such as Git, Jenkins and Maven Passion about great customer experienceGood communication skills to sometimes explain your work to a non-technical audienceExcellent written and spoken English; we’re an international team An ideal candidate would also have: ·Basic knowledge of Virtual Assistant technologies (e.g.

Stellenangebot Senior Software Engineer ansehen

Teamlead Product (m/f/d) - Search Engine - onsite in Hamburg Hamburg (hybrid)

Work data-driven, based on reports and analyses, to derive actions oriented toward customer needs Manage and communicate with all relevant stakeholders Understand stakeholder demands, needs, and issues – translate them into actionable & feasible product requirements and build scalable tech solutions Triaging operative issues, identifying technical dependencies, and evaluating business impact Lead cross-team projects and collaborate closely with other tech teams to execute end-to-end solutions Who you are Master’s degree or equivalent in a relevant field 7–10 years of experience in product management for tech products within software development, focused on backend systems Proven expertise in agile methodologies and collaboration with developers, data scientists, and QA managers Strong understanding of technology, business processes, and functional dependencies Hands-on experience with e-commerce systems, ideally in retail Skilled in IT project management and leading cross-functional initiatives At least 2 years of team leadership experience Analytical, detail-oriented, and customer-focused with a proactive mindset Exceptional communication skills in English, adaptable to diverse perspectives Comfortable in international work environments, with a focus on efficiency and solutions Benefits Hybrid working Fresh fruit every day Sports courses Free access to code.talks Exclusive employee discounts Free drinks Language courses Laracast account for free Company parties Help in the relocation process Mobility subsidy State-of-the-art technology Central Location Flexible Working Hours Company pension Professional training Dog-friendly office Remote AY Academy Feedback Culture Job Bikes YOU ARE THE CORE OF ABOUT YOU.

Stellenangebot Teamlead Product (m/f/d) - Search Engine - onsite in Hamburg ansehen

Developer PIM/MDM (m/f/d) - MDM Platform Solutions

Impact & Team Power: High degree of creative freedom and unbeatable team power in a high performance work environment Salary & Employee Discounts: Secure job with the pioneer of discounts offering an attractive salary and corporate benefits Your tasks Agile development & configuration (front & backend) of an international PIM/MDM solution Build & further enhance our PIM/MDM data models based on complex business requirements Code review & unit testing and perform quality assurance and testing (error analysis, bug fixing) Take over responsibility for our regular release cycle & deployments Strong collaboration with other technical teams Translation of technical requirements into features, epics and user stories Assuring the Third Level Support for our platform(s) Transfer of technical knowledge to our domain and business colleagues as well as mentor junior developers and support project teams Your profile Completed education in IT/computer science (e.g., IT specialist apprenticeship, specialist for application development) or a related university degree (Computer Science, Business Informatics) or equivalent qualification Proven development experience with PIM and/or MDM solutions; PIM XY experience is a plus Proficiency programming with languages like PHP or JavaScript as well as experience in API development based on REST or GraphQL Experience working in international, cross functional projects using agile methodologies (e.g., Scrum, Kanban); ability to technically lead and coach teams is a plus Structured, organized, self directed, and solution oriented working style with high quality standards Very good German & English skills (spoken and written) Confident use of MS Office applications Developer-PIM-MDM-m-f-d-MDM-Platform-Solutions-Essen

Stellenangebot Developer PIM/MDM (m/f/d) - MDM Platform Solutions ansehen

Senior App Engineer (m/w/d) - Discovery and Consideration - Onsite in Hamburg or Berlin Hamburg oder Berlin (hybrid)

Strong Communicator: Ability to communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g., Product, Design). Team Player: Actively shares knowledge, mentors other team members, and is focused on achieving collective team goals.  

Stellenangebot Senior App Engineer (m/w/d) - Discovery and Consideration - Onsite in Hamburg or Berlin ansehen

(Senior) Java Software Engineer (m/w/d) Hamburg, DE, 22419

Collaborate with architects and product owners to ensure secure, reliable, and high-performance releases. Mentor junior developers and contribute to technical leadership within the team. Your Profile: Degree in Software Engineering, Computer Science, Computer Engineering or related technical discipline 5+ years of experience in Java backend development, with strong expertise in Spring Boot and microservices architecture.

Stellenangebot (Senior) Java Software Engineer (m/w/d) ansehen

Senior Software Engineer - Node.js Prag, Hauptstadt Prag, Tschechien

OpenAPI)   •  5+ years of experience in overall software development lifecycle   •  Familiarity with using CD/CI tooling such as Git, Jenkins and Maven   •  Passion about great customer experience   •  Good communication skills to sometimes explain your work to a non-technical audience   •  Excellent written and spoken English; we’re an international team An ideal candidate would also have:   •  Basic knowledge of Virtual Assistant technologies (e.g.

Stellenangebot Senior Software Engineer - Node.js ansehen

(Senior) Java Software Engineer (m/w/d) Hamburg, DE, 22419

Collaborate with architects and product owners to ensure secure, reliable, and high-performance releases. Mentor junior developers and contribute to technical leadership within the team.   Your Profile: Degree in Software Engineering, Computer Science, Computer Engineering or related technical discipline 5+ years of experience in Java backend development, with strong expertise in Spring Boot and microservices architecture.

Stellenangebot (Senior) Java Software Engineer (m/w/d) ansehen

Teamlead Product (m/w/d) - Product Sorting - onsite in Hamburg Hamburg oder Berlin (hybrid)

You ensure that customers see the most relevant products in the right order – balancing customer needs, business goals, and technical feasibility. We work with over 1 million real-time API calls per hour and a huge amount of data to deliver highly performant and intelligent sorting mechanisms to millions of users.

Stellenangebot Teamlead Product (m/w/d) - Product Sorting - onsite in Hamburg ansehen

Technical Administrator Charge Points (gn) fulltime/parttime (hybrid) Ratingen

You support technical enquiries from partners and suppliers (e.g. Greenflux, hardware manufacturers), clarify interface topics and ensure the exchange of technical informationYou advise on standard products and installation topics based on technical documentation and support installers as well as external partners with technical questionsYou also advise on technical requirements for AC chargers, support installation and configuration activities, and conduct standard technical trainings for internal teams and external stakeholders What makes you stand out You have completed vocational training in electrical engineering (e.g.

Stellenangebot Technical Administrator Charge Points (gn) fulltime/parttime (hybrid) ansehen

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