Senior TypeScript Developer developing TypeScript-based automations for an innovative energy startup. Designing scalable integrations and complex business logic for HubSpot CRM.
Responsibilities
Software development and creation of TypeScript-based automations and services
Use of Connected App patterns for integrations
Management of scopes, token rotation, app versioning and deployments
API- and event-driven architecture
Use of HubSpot CRM APIs and utilization of webhooks & subscriptions
Building robust retry, error-handling, and monitoring mechanisms
Data modeling & CRM architecture
Implementation of complex business logic in backend services
Validation, enrichment and transformation of CRM data
Establishing clean interfaces between HubSpot and core production systems
Shaping the long-term CRM & integrations architecture
Requirements
Strong knowledge of TypeScript, ideally with Nest.js / React.js
Experience with REST APIs, asynchronous systems and event processing
Understanding of clean API contracts, versioning and testing
Systems thinking: automation & scalability
Experience designing scalable CRM and integration architectures
Ability to meaningfully integrate HubSpot into a larger system landscape
Awareness of sensible automations, performance, limits, rate limits and data volumes
Several years of experience with the HubSpot Developer Platform or comparable systems
Practical experience with Connected Apps, OAuth 2.0, scopes and webhooks
Very good German language skills (C‑level)
Benefits
Technical responsibility instead of an admin role
Real impact through architectural decisions
Speed and freedom to make decisions in a motivated team
Community and mobility with a subsidy for the Deutschlandticket
Creative freedom without hierarchical layers
Growth opportunities for personal and professional development
Meaningful work contributing to the energy transition
Outside Sales Representative conducting in - home sales presentations for high - quality window replacement solutions. Building relationships and delivering exceptional customer experiences in Tampa, FL.
Sr. Front End Developer II leading UI/UX modernization for federal applications. Contributing to mission - critical systems in a secure environment with modern frameworks.
Frontend Developer at DPWAY S.r.l. in Milan, developing web applications with Angular. Collaborating in a dynamic team environment and mentoring junior developers.
React Developer at Periferia IT Group, a leader in digital transformation across Latin America. Join our innovative team to drive impactful tech projects in a hybrid workspace.
UX/UI Engineer (Angular) developing visual solutions and UI design for web products. Working closely with a major client’s IT team on - site based in Brussels, Belgium.
Frontend Engineer designing and developing web applications for Agentic AI platform at 42dot. Leading complex UI development and ensuring project delivery with advanced tech stacks in a hybrid setting.
Senior React Developer implementing advanced software projects for international clients in logistics. Join ONTEC's agile SCRUM teams while enjoying a hybrid work setting in Vienna.
Frontend Engineer turning daily player feedback into a world - class interface. Join MegaDev GmbH, the European market leader in gaming solutions with PLITCH.
Senior Full - Stack Engineer designing and building products for an AI - first startup with high autonomy. Contributing to technical decisions and ensuring exceptional user experience.
Senior Frontend Developer crafting responsive user interfaces for enterprise - scale applications at AAXIS. Collaborating across teams to deliver intuitive and optimized digital experiences.