Project-Stellenmarkt für Backend

20 Stellenanzeigen für Backend

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

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

High autonomy and ownership: You are motivated, take matters into your own hands, and can lead a complex project or process with little oversight from your manager. Strong communicator: You can communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g.

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)

High autonomy and ownership: You are motivated, take matters into your own hands, and can lead a complex project or process with little oversight from your manager. Strong communicator: You can communicate transparently, honestly, and effectively with both technical and non-technical stakeholders (e.g.

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. Middleware Orchestration: Oversee the design and operation of mission-critical eCom flows: Data & Orders: Product/stock synchronization and complex order delegation logic.

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

JavaScript React Node.js TypeScript What you will do Guide the team through complex technical challenges, breaking down large projects into manageable tasks and ensuring timely and quality delivery of new e-commerce features. Mentor and coach Frontend Developers, QA Engineers, helping them grow their technical skills, understand system architecture, and advance their careers.

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)

What you will do Guide the team through complex technical challenges, breaking down large projects into manageable tasks and ensuring timely and quality delivery of new e-commerce features. Mentor and coach Frontend Developers, QA Engineers, helping them grow their technical skills, understand system architecture, and advance their careers.

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)

X, Tailwind, HTMX, or other lightweight JS frameworks (or motivation to learn them) Experience in working with Postgresql, Redis, or equivalent data storage Passionate about writing well-structured, efficient, and maintainable code, actively keeping the quality of the code base in check Used to work in an English-speaking environment Fluent German communication skills (C1-Level) Nice to have Excellent coding skills with Python Extensive Django Knowledge Knowledge of front-end technologies (JavaScript, HTML5, CSS3) Contributions to open-source projects Experience with pioneering Greenfield projects or in startup settings, adept at swiftly adapting products to find the perfect market fit 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 AY Academy Feedback Culture Job Bikes YOU ARE THE CORE OF ABOUT YOU/SCAYLE.

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

SAP GROUP Reporting Consultant (m/f/d) Remote

YTD reporting Hands-on experience in GRDC form design (Manage Forms) Experience with Package Management (Manage Package app) Ability to design validation rules and manage controls in the Data Monitor Solid understanding of GRDC ? Group Reporting data flows Option to work on a long-term project Ihr Kontakt Referenznummer 860031/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot SAP GROUP Reporting Consultant (m/f/d) ansehen

SAP GROUP Reporting Consultant (m/f/d) Remote

YTD reportingHands-on experience in GRDC form design (Manage Forms)Experience with Package Management (Manage Package app)Ability to design validation rules and manage controls in the Data MonitorSolid understanding of GRDC ? Group Reporting data flows Option to work on a long-term project Ihr Kontakt Referenznummer 860031/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot SAP GROUP Reporting Consultant (m/f/d) ansehen

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

Your mission is to lead the execution of complex, multi-system integration projects that enable ABOUT YOU to scale and enhance its partner business. You aren’t just managing a project; you are designing the data flows that make our ecosystem work.

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

Senior Software Engineer Chennai, State of Tamil Nādu, Indien

In return, we expect you to know the in’s and out’s of Node, sucessfully delivering scalable and resilient projects to Production. You should be eager to get your hands dirty with microservices and APIs, but we’ll make sure you touch the full stack – our NoSQL database, global API gateway, Machine Learning engine, public cloud infrastructure (GCP) and many more.

Stellenangebot Senior Software Engineer ansehen

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

Act as a role model for your team, keep spirits high and bring drive into your projects. MySQL Python Google BigQuery Gitlab What you will do Manage your team independently and take responsibility for the team’s output as well as end-to-end feature conception & planning Steer an experienced development team within an agile working culture (SCRUM, Kanban) – organize and moderate agile meetings (e.g., standup, planning, retrospective, feature demonstrations, etc.)

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

Test Analyst (m/f/d) Vaud

The customer values quality, transparency, and collaboration, and supports consultants with well-defined processes, clear governance, and a supportive delivery team — including the successful consultant you already have in place The candidate will support the customer’s digital transformation by ensuring that all business processes function reliably across multiple interconnected systems Their mission is to design, plan, and execute integration and cross-functional tests within an Agile team This includes analysing requirements, validating end-to-end flows, identifying defects, collaborating closely with developers and business stakeholders, and ensuring that each release meets the expected quality standards The candidate will also contribute to continuous improvement of testing methods and deliver clear reporting to project leaders Proven experience in system integration testing, functional testing, API testing, and UI/non-regression testing / Strong ability to design BPT/UAT scenarios based on business processes Familiarity with frontend and backend testing principles Solid understanding of structured QA methodologies (ISTQB is an asset) Hands-on experience with Jira, Xray, Confluence, and Postman or similar API testing tools Comfortable working in Agile Scrum teams Experience in a regulated environment (ideally finance, insurance, or healthcare) Ability to navigate large organisations with structured release cycles and strict documentation requirements Very strong French (C1+) for daily stakeholder interaction / Professional English (B2+) Proactive mindset, autonomy, problem-solving ability, and strong communication skills Capacity to challenge existing practices and propose improvements An open-ended assignment within a major digital transformation program The opportunity to work within a modern Agile environment on impactful cross-functional products Collaboration with senior experts, architects, business analysts, and another high-performing Test Analyst already on site Exposure to complex, multi-system integration work — ideal for developing advanced QA skills A stable and long-term mission with the possibility to grow responsibilities over time A professional environment that values initiative, quality, and innovation in testing Ihr Kontakt Referenznummer 864760/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot Test Analyst (m/f/d) ansehen

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

In return, we expect you to know the in’s and out’s of Node, sucessfully delivering scalable and resilient projects to Production. You should be eager to get your hands dirty with microservices and APIs, but we’ll make sure you touch the full stack – our NoSQL database, global API gateway, Machine Learning engine, public cloud infrastructure (GCP) and many more.

Stellenangebot Senior Software Engineer - Node.js ansehen

Test Analyst (m/f/d) Vaud

The customer values quality, transparency, and collaboration, and supports consultants with well-defined processes, clear governance, and a supportive delivery team — including the successful consultant you already have in place The candidate will support the customer’s digital transformation by ensuring that all business processes function reliably across multiple interconnected systemsTheir mission is to design, plan, and execute integration and cross-functional tests within an Agile teamThis includes analysing requirements, validating end-to-end flows, identifying defects, collaborating closely with developers and business stakeholders, and ensuring that each release meets the expected quality standardsThe candidate will also contribute to continuous improvement of testing methods and deliver clear reporting to project leaders Proven experience in system integration testing, functional testing, API testing, and UI/non-regression testing / Strong ability to design BPT/UAT scenarios based on business processesFamiliarity with frontend and backend testing principles Solid understanding of structured QA methodologies (ISTQB is an asset) Hands-on experience with Jira, Xray, Confluence, and Postman or similar API testing tools Comfortable working in Agile Scrum teams Experience in a regulated environment (ideally finance, insurance, or healthcare) Ability to navigate large organisations with structured release cycles and strict documentation requirements Very strong French (C1+) for daily stakeholder interaction / Professional English (B2+)Proactive mindset, autonomy, problem-solving ability, and strong communication skills Capacity to challenge existing practices and propose improvements An open-ended assignment within a major digital transformation programThe opportunity to work within a modern Agile environment on impactful cross-functional productsCollaboration with senior experts, architects, business analysts, and another high-performing Test Analyst already on siteExposure to complex, multi-system integration work — ideal for developing advanced QA skillsA stable and long-term mission with the possibility to grow responsibilities over timeA professional environment that values initiative, quality, and innovation in testing Ihr Kontakt Referenznummer 864760/1 Kontakt aufnehmen Telefon:+41 44 225 50 00 E-Mail: positionen@hays.ch Anstellungsart Freiberuflich für ein Projekt

Stellenangebot Test Analyst (m/f/d) ansehen

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

A/B testing), and performance optimization E-commerce experience (preferably retail), with a good understanding of commercial levers such as conversion, margin, stock, and campaign logic Experience in IT project management and leading cross-team initiatives You take ownership, make data-informed decisions, and feel comfortable operating in a high-impact product area You are comfortable working in an international environment You have excellent communication skills (in English) and can translate complex technical topics into clear business language You are analytical, structured, customer-focused, and impact-driven 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 AY Academy Feedback Culture Job Bikes YOU ARE THE CORE OF ABOUT YOU.

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

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

As part of our team, you will take on the following responsibilities: As a Technical Administrator Charge Points, you are part of our Technical Customer Care Team and are responsible for the technical and operational support of our charging infrastructure in the @Home & @Work segmentYou work closely with partners, installers, product management, operations and internal specialist teams, with the clear goal of providing our customers with a reliable and high‑quality charging experienceYou actively support the further development and implementation of the European eMobility strategy and contribute your operational experience to strategic initiatives and concepts You plan, organise and coordinate appointments, trainings and technical events, ensuring smooth operational processes in day‑to‑day business.You collaborate closely with internal stakeholders from engineering, product management, sales and partner teams and ensure a continuous and transparent flow of informationYou continuously analyse and further develop customer care processes in the @Home & @Work environment, identify optimisation potential, implement efficient new workflows and take responsibility for quality standards within your area of expertiseYou actively participate in cross‑functional projects and take on (partial) project leadership for technical and organisational topics. For this purpose, you research technical and market‑relevant information, analyse the results and derive targeted measures to ensure and improve service qualityYou work confidently with relevant systems such as ticketing, monitoring and backend systems as well as partner portals.

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

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