Senior Full Stack Software Developer Job at HUBBLR GmbH (Valencia)

Senior Full Stack Software Developer

At HUBBLR you get to own the end-to-end delivery of innovative software products...

Location

Germany , Hamburg; Mannheim

Salary:

Not provided

HUBBLR GmbH

Expiration Date

Until further notice

Requirements

Experience in modern backend technologies - i.e. Golang, Node.js. (esp. nestjs) (must-have)
Experience in other backend technologies - PHP (esp. Laravel), Python (preferred)
Experience in modern web technologies - Vue.js, React.js, Flutter or similar framework (must-have)
Familiarity with agile software developing methods (must-have)
Familiarity in responsible coding with LLM based assistants - i.e. Claude Code, Gemini Code, etc. (must-have)
Experience in common API techniques - HTTP, GraphQL, GRPC - at least 1 of them (must-have)
Communication skills for constructive team feedback and client calls (must-have)
Analytical thinking & MVP mindset (must-have)
Fluent in English (must-have)
Minimum 4 years of experience (must-have)

Job Responsibility

Supporting in new and long-term projects as a (senior) software engineer
Joining a growing team of 9
Working mainly on client-projects and sharing experience with team members
Taking end to end ownership in a delivery cycle with highly autonomous decision making
Actively participating in architectural and technological decisions for software projects
Taking over own responsibilities in projects, estimating developing tasks and giving advice
Reviewing code from other coworkers and actively being part of continuous improvement
Being partly responsible of communicating with client CTO/Stakeholder, joining conference calls/meetings on status update, time estimation and project management

Fulltime

Senior Full Stack Software Developer

At HUBBLR you get to own the end-to-end delivery of innovative software products...

Location

Spain , Valencia

Salary:

Not provided

HUBBLR GmbH

Expiration Date

Until further notice

Requirements

Experience in modern backend technologies - i.e. Golang, Node.js. (esp. nestjs)
Experience in modern web technologies - Vue.js, React.js, Flutter or similar framework
Familiarity with agile software developing methods
Familiarity in responsible coding with LLM based assistants - i.e. Claude Code, Gemini Code, etc.
Experience in common API techniques - HTTP, GraphQL, GRPC - at least 1 of them
Communication skills for constructive team feedback and client calls
Analytical thinking & MVP mindset
Fluent in English
Minimum 4 years of experience
Ability to work independently on tasks

Job Responsibility

Supporting us in new and long-term projects as a (senior) software engineer
Joining a growing team of 9, located in Münster, Hamburg, Mannheim and Valencia
Working mainly on client-projects and sharing your experience with team members
Taking end to end ownership in a delivery cycle with highly autonomous decision making
Actively participating in architectural and technological decisions for software projects
Taking over own responsibilities in projects, estimate developing tasks on your own and giving other coworkers advice on their work
Reviewing code from other coworkers and actively be part of continuous improvement
When working on client-projects you will be partly responsible of communicating with their CTO / Stakeholder, joining conference calls/meetings on status update, time estimation and project management

What we offer

Own workstation in Valencia Office (Marítim)
Ability to travel to offices in Germany and Spain
Sandboxed work environments to maintain security standards and try out new tools

Fulltime

Senior Full Stack Software Developer

At HUBBLR you get to own the end-to-end delivery of innovative software products...

Location

Germany , Hamburg

Salary:

Not provided

HUBBLR GmbH

Expiration Date

Until further notice

Requirements

Experience in modern backend technologies - i.e. Golang, Node.js. (esp. nestjs)
Familiarity with agile software developing methods
Familiarity in responsible coding with LLM based assistants - i.e. Claude Code, Gemini Code, etc.
Experience in common API techniques - HTTP, GraphQL, GRPC - at least 1 of them
Communication skills for constructive team feedback and client calls
Analytical thinking & MVP mindset
Fluent in English
Minimum 4 years of experience
Ability to work independently on tasks
Experience in modern web technologies - Vue.js, React.js, Flutter or similar framework

Job Responsibility

Supporting us in new and long-term projects as a (senior) software engineer
Joining a growing team of 9, located in Münster, Hamburg, Mannheim and Valencia
Working mainly on client-projects and sharing your experience with team members
Taking end to end ownership in a delivery cycle with highly autonomous decision making
Actively participating in architectural and technological decisions for software projects
Taking over own responsibilities in projects, estimate developing tasks on your own and giving other coworkers advice on their work
Reviewing code from other coworkers and actively be part of continuous improvement
When working on client-projects you will be partly responsible of communicating with their CTO / Stakeholder, joining conference calls/meetings on status update, time estimation and project management

Fulltime

Full stack Software Engineer and Senior Full stack Software Engineer - Microsoft Security

We have multiple positions open for Full stack Software Engineers and Senior Ful...

Location

Israel , Tel Aviv, Herzliya

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

B.Sc. or M.Sc. in computer science, software engineering, or equivalent experience
7+ years of professional hands-on software development experience, primarily focused on developing and designing backend services in cloud or on-premises environments
proven hands-on experience in front-end development, including building scalable, user-facing applications using modern libraries and frameworks (e.g., React, Angular, or Vue)
experience taking initiative, map product/feature requirements, dependencies, and deliverables

Job Responsibility

Contribute to business-critical initiatives in Microsoft Security
Use deep technical skills and the ability to quickly adapt to new areas
Improve the end-to-end lifecycle of services
Analyze complex system behavior, and apply modern engineering practices to streamline deployments and reduce costs
Work on high-end technologies and collaborating across disciplines to deliver impactful features
Collaborate with multiple teams across Microsoft to deliver key customer solutions and support technology

Fulltime

Senior Software Developer - Full Stack

We are seeking a highly skilled Senior Full Stack Software Developer to design, ...

Location

Canada , North York

Salary:

Not provided

Randstad

Expiration Date

July 24, 2026

Requirements

Advanced proficiency in React, Next.js, Node.js, and core web engineering utilizing JavaScript and TypeScript
Robust experience with Entity Framework (or similar ORM tools), advanced SQL writing, and building REST APIs
Deep knowledge and practical application of WCAG and AODA guidelines for public-facing web applications
Experience working with or migrating Java EE technologies (Spring Boot, Spring MVC, JPA, WebLogic, Tomcat)
Strong background in Agile/Scrum delivery models, product backlog navigation, and rapid application lifecycle workflows
Superior analytical, troubleshooting, and negotiation skills with a proven track record of meeting strict production release timelines

Job Responsibility

Full-Stack Engineering: Lead end-to-end development initiatives, ensuring the entire application stack is engineered for speed, responsiveness, and seamless vertical integration
Architecture & Database Management: Assist in the design of overall solution architectures, design and deploy relational databases, and manage data access layers using Entity Framework or equivalent ORM tools
API Construction: Design, construct, and maintain secure REST API services, ensuring efficient data exchange and clean integration with front-end user interfaces
Modern Web Frameworks: Build and modernize web applications using React, Next.js, and Node.js alongside Cloud-Native, PaaS, and Java EE application architectures
Design & Documentation: Create application designs, technical specifications, and object-oriented UML models using design tools like PowerDesigner
QA & DevOps Support: Support continuous quality processes including unit testing, test automation, load testing, and penetration testing, while maintaining CI/CD pipeline integrity
Enterprise Production Support: Provide tier-3 application support, encompassing complex incident investigation, troubleshooting, and delivering long-term architectural fixes
Compliance & Standards: Ensure all software deliverables conform to Web Content Accessibility Guidelines (WCAG) and Accessibility for Ontarians with Disabilities Act (AODA) frameworks
Collaboration & Knowledge Sharing: Provide technical consultative support to teammates and facilitate ongoing knowledge transfer throughout all stages of the contract lifecycle

What we offer

Modern Architecture Focus: Gain extensive hands-on experience driving next-generation architectures using Next.js and serverless microservices
End-to-End Ownership: Take full ownership of feature sets spanning database design, backend logic, frontend presentation, and pipeline automation
Cross-Functional Visibility: Act as a key technical liaison alongside UX Designers, Cloud Architects, and Product Managers to define technical strategy
Strategic Modernization: Contribute significantly to the technical renewal and migration of foundational enterprise business systems

Fulltime

Senior Software Developer - Full Stack

We are seeking a highly skilled Senior Full Stack Software Developer for a 10-mo...

Location

Canada , Toronto

Salary:

565.97 - 601.35 CAD / Day

Randstad

Expiration Date

June 28, 2026

Requirements

Senior-level experience in React, Angular, and Next.js
Proficiency with Figma and a deep understanding of the relationship between design tools and code
Strong experience in scalable CSS (BEM, Modular, Utility-first) and managing maintainable styling in large applications
Proven experience in database management, RESTful API development, and OAuth/Entra ID security protocols
Expert knowledge of WCAG standards and implementing accessible UI
Ability to explain complex design and technical decisions clearly to non-technical stakeholders
Expert knowledge of structured SDLC methodologies and rapid application development (RAD)
Sound judgment in knowing when to standardize vs. when to allow exceptions within a design system

Job Responsibility

Build and maintain high-quality, reusable UI components using React, Angular, and Next.js
Implement and govern Design Tokens, CSS variables, and modular CSS architectures (BEM, Utility-first) to ensure cross-platform UI consistency
Ensure every component adheres to WCAG and AODA standards
Produce clear, well-structured documentation for component usage, variants, and best practices
Design and implement scalable web architectures, including REST APIs, security standards like OAuth, and IAM solutions such as Entra ID
Lead the implementation of continuous integration and deployment (CI/CD) pipelines
Strategically manage and maintain legacy components and frameworks
Resolve complex technical problems arising in packages and libraries
Actively participate in design walkthroughs using Figma
Identify gaps in the current system and suggest roadmap improvements

Senior Software Developer - Full Stack

We are seeking an expert Senior Full Stack Software Developer to drive the techn...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

July 26, 2026

Requirements

J2EE Mastery: 10+ years of dedicated professional experience utilizing J2EE development tools, enterprise Java programming languages, and hosting platforms (WebLogic/Tomcat)
Spring Framework Seniority: 10+ years of hands-on experience building enterprise backend solutions with the Spring Framework
DevOps Tooling Seniority: 10+ years of proven working experience automating release management, configuration scripting, and continuous delivery with IBM UrbanCode tools
Front-End Proficiency: Demonstrated engineering experience building complex user-centric web applications with the React framework, HTML5, CSS3, and modern JavaScript modules
Advanced API Engineering: Deep practical knowledge of designing resilient API architectures (load balancing, discovery, fallback caching mechanisms) and working with OpenAPI/Swagger definitions
Domain Context: Direct, prior project experience working on the Digital Dealership Registration (DDR) project or highly similar public-sector registry solutions
Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical discipline (or an equivalent combination of formal education and experience)

Job Responsibility

Full-Stack Application Engineering: Translate complex technical systems specifications into secure, deployable, and performant multi-tier applications. Develop programming specifications, write clean code, and execute comprehensive unit tests
API Architecture & Integration: Design, build, and maintain commercial RESTful and SOAP API services. Implement advanced runtime strategies for API gateways, including load balancing, service discovery, traffic throttling, and circuit-breaking resiliency patterns
Front-End Development: Build responsive, modular, and reusable user interface components using React (along with Angular/AngularJS utilities) to ensure an optimized client-side experience and seamless UI-to-API communication
Back-End & Framework Delivery: Orchestrate complex server-side enterprise applications utilizing the Spring Framework, EJB, Servlets, and Java application servers such as Tomcat and Oracle WebLogic
DevOps & CI/CD Automation: Configure, manage, and scale deployment automation frameworks using IBM UrbanCode release management suites and Azure DevOps pipelines to continuously build, test, and deploy applications
Database & Data Pipeline Management: Design relational database structures (Oracle, SQL Server), write highly optimized SQL queries, and construct automated ETL pipelines to handle complex data ingestion, transformation, and movement
Technical Problem Solving: Diagnose, troubleshoot, and resolve critical tier-3 issues during systems implementation, legacy database conversions, and multi-environment software migrations
Governance & Standards Compliance: Participate in architecture design walkthroughs and maintain strict code compliance with corporate data security policies and the Accessibility for Ontarians with Disabilities Act (AODA)

What we offer

High-Impact Domain Leadership: Lead the technical expansion of the mission-critical DDR project, directly improving transactional velocity and enterprise platform connectivity
Elite Technical Depth: Maximize your market value by commanding an exceptionally robust full-stack architecture that unites standard Spring backends, React frontends, and enterprise UrbanCode automation
End-to-End Architectural Impact: Own your features completely—from data mapping, schema tuning, and API gateway routing down to custom UI rendering and CI/CD pipelines
Stable Daytime Operations: Benefit from a predictable, highly structured 7.25-hour daily work model within a professional, collaborative engineering branch in downtown Toronto

Fulltime

Senior Software Developer - Full Stack

Our client is looking for a Senior Software Developer - Full Stack for a 15 mont...

Location

Canada , North York

Salary:

Not provided

Randstad

Expiration Date

June 21, 2026

Requirements

Public Sector Experience
Experience working with federal/provincial/broader public-sector healthcare providers
Knowledge of the provincial immunization system and OPS large complex IT Health related projects or equivalent
Experience with integration of Clinical IT Systems such as Client and Provider Registries
Knowledge of OPS Enterprise Architecture artifacts (or similar), processes and practices, and ability to produce technical documentation that comply with industry standard practices
Knowledge of industry standard such as Project Management Institute (PMI)
Experience adopting and adhering to OPS Unified I&IT Project Methodology, OPS Enterprise Architecture and OPS Gating process, and OPS Standard Systems Development Methodologies.
10+ years of experience with preparing user interface design, technical specifications and documentation for design, development, installation, testing and performance of integrated, multi-services systems
10+ years of experience with iOS programming with SWIFT
10+ years of experience with MobileFirst Platform

Job Responsibility

Support ongoing updates to the m-IMMS User Interface (UI) based on required changes
Support the roadmap for m-IMMs including: consolidation of components, improvement of logging/ monitoring, improvement in maintainability and support of application
Maintain functionality to support PHUs through the school suspension process
Provide ongoing support for clinicians’ ability to utilize downloaded immunization records
Directly support clinic workflow by entering historical or administered immunizations at point of service
Provide code changes to ensure alignment of m-IMMS tool with integrated solutions such as Panorama, PHIX
Perform technical analysis, prepare detailed programming specifications, program design, write and/or generate code, and conduct unit tests
Provide programming support for incident management, application functionality sustainment, performance tuning and technical documentation for the m-IMMS solution
Translate technical specifications for integration/sustainment into working, tested application code
Develop detailed application programming specifications, writing code and scripts

What we offer

Earn a competitive rate within the industry
Location: Up to 5 days onsite
Potential for extension

Fulltime

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