Senior 2D Artist

Senior Fullstack Engineer

fonio

ÜBER FONIO Wir bauen KI-Telefonassistenten für kleine und mittelständische Unternehmen – damit keiner ihrer Anrufe mehr verloren geht und sie sich auf das Wesentliche konzentrieren können. Unsere KI beantwortet jeden Anruf automatisch. Aber Voice ist erst der Anfang. Unsere Vision ist es, das erste vollautomatisierte CRM-System der Welt zu entwickeln. 8.000+ Kunden. >€5M ARR. ~30% monatliches Wachstum. Ziel bis EOY: €30M. Wir leben Ownership. Du bist für deine Projekte und Aufgaben end-to-end verantwortlich. Keine Politik, wenige Meetings, direktes Feedback. Bei fonio wirst du gemeinsam mit den smartesten und ambitioniertesten Menschen weit und breit bauen. Bewirb dich jetzt und werde Teil einer der krassesten Wachstumsstorys Europas!   DEINE ROLLE Als Senior Fullstack Engineer übernimmst du End-to-End Ownership: von der Idee über den Prototyp bis hin zum fertigen Feature, das von tausenden Unternehmen europaweit genutzt wird.   WEN WIR SUCHEN Senior Fullstack Engineers bei fonio haben volle Ownership über den value, den sie für unsere Kunden stiften. Es gibt bei uns niemanden, der dir sagt was Du bauen sollst - das definierst Du selbst. * Extremes Growth Mindset * Viel Erfahrung mit TypeScript, React und Node.js (idealerweise NestJS) in einem SaaS-Produkt * Pragmatismus: Du zerlegst Features in die essenziellen Teile, die sofort Kundennutzen schaffen - und entwickelst sie mit neuen Erkenntnissen weiter * Deutsch als Muttersprache, um unsere KI aktiv mitzugestalten, sowie fließend Englisch.   DEINE AUFGABEN * Weiterentwicklung unserer Plattform in NestJS & React * Direkter Austausch mit Kunden (Support, Feedback, User-Tests) * Mittelfristig: Übernahme der Feature / Opportunity Priorisierung unserer Voice AI   WAS WIR DIR BIETEN * Kompetitives Gehalt: €80.000-€120.000 pro Jahr * 100% Remote: Falls du aber Lust auf Office hast, haben wir eines der coolsten Offices im 7. Bezirk in Wien (Lunch & Dinner included) * 100% Focus Time (keine regulären Meetings) * Unlimited Budget, wenn der ROI stimmt * Extremer Speed (wir shippen fast täglich) * Tausende begeisterter Kunden, die das Produkt gemeinsam mit uns entwickeln.   BEWERBUNGSPROZESS 1. 15 min Kennenlernen 2. 30 min Deep Dive mit CTO & Co-Founder Matthias 3. 90 min Technical Interview mit Case Study / Live Coding 4. 20 min Culture Fit mit den Gründern

Senior Backend Engineer (Platform Tribe)

Playson

About the Role We’re looking for a Senior Backend Developer who thrives in a deeply hands-on environment and enjoys being close to the code on a daily basis. This role is heavily focused on building, optimising, and scaling backend services in a high-load system where performance and reliability are critical. You’ll be working on complex, real-time challenges at the core of our platform - improving latency, ensuring high availability, and making systems more efficient at scale. This is not a coordination-heavy role; it’s for someone who enjoys writing production code, solving tough engineering problems, and seeing the direct impact of their work. If you’re product-driven, take ownership, and prefer a “build first, improve fast” approach while working on systems where every millisecond matters - this role will feel like home. Key Responsibilities * Work as part of a cross-functional team owning a core product within the platform * Design, build, and deliver new backend features end-to-end in a distributed environment * Write high-quality, production-level code daily, contributing directly to a high-load, scalable system * Take ownership of services handling financial transactions at scale, with a strong focus on reliability and accuracy * Proactively suggest and implement improvements in architecture, processes, and development practices * Participate in code and architectural reviews to maintain high engineering standards * Solve complex business and technical challenges with pragmatic, efficient solutions * Participating in on-call rotations within the squad to ensure the reliability and availability of our systems * Play an active role in ongoing tech transformation initiatives across the platform * Collaborate closely with engineers, product, and other stakeholders to deliver impactful solutions used by millions globally Requirements * Solid experience with Node.js/TypeScript is ideal, but we also welcome experts in other OOP languages such as Java, Python, C++, C#, or Go. * Strong understanding of asynchronous programming techniques * Experience with distributed systems and messaging systems (Apache Kafka, gRPC) * Knowledge of relational databases (MySQL, PostgreSQL), columnar databases (ClickHouse), and NoSQL technologies (DynamoDB, MongoDB) * Skilled in developing and maintaining end-to-end and unit tests * Proven track record of developing production-ready solutions * Degree in Computer Science or related field Nice to Have * Experience with large-scale microservices architecture. * Good ground knowledge of Kubernetes * Familiarity with cloud providers (especially AWS) * Understanding of application security and industry best practices * Understanding of enterprise development patterns * Active performance observation * Gambling domain experience What We Offer * Competitive Salary * Quarterly Bonuses * Unlimited Paid Time Off * Unlimited Paid Sick Leave * Remote & Flexible Working * Private Medical Insurance * Financial Support for Life Events * Professional Development Budget * International Exposure * Regular Company Events *Benefits may vary depending on location and contractual agreement Recruitment process 1. HR interview (30-45mins) 2. Interview with a Hiring Manager (45mins) 3. Technical interview with live coding (90mins) 4. Final Interview with C-level (60 mins)

Senior Backend Engineer (Boosters)

Playson

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimizing promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and you have a fast "PoC first" approach with a deep sense of ownership, we would love to hear from you. Key Responsibilities * Develop and maintain robust backend systems for our promotional features. * Optimize existing systems for enhanced performance and scalability. * Lead technical decisions and contribute to our SaaS solutions. * Collaborate with distributed teams to innovate and implement new features. * Ensure code and architectural excellence through reviews. * Address complex technical challenges with innovative solutions. * Participating in on-call rotations within the squad to help ensure the reliability and availability of our systems. Requirments * Strong proficiency in Node.js and TypeScript (our primary backend stack). We’re also open to strong backend engineers from other ecosystems (e.g., Go, Java, C#, C++) who are ready to ramp up quickly. * Strong understanding of asynchronous programming and concurrency patterns. * Experience building distributed systems and working with messaging and coordination tools (e.g., Kafka, RabbitMQ, NATS, distributed locks). * Experience with gRPC in production environments. * Solid knowledge of databases: relational (MySQL, PostgreSQL), columnar (ClickHouse), and NoSQL (DynamoDB, MongoDB). * Experience with cloud platforms (AWS/GCP/Azure) and Kubernetes. * Skilled in building and maintaining unit and end-to-end tests. * Proven track record of delivering production-ready solutions. * Experience working with large-scale microservices architectures. * Degree in Computer Science or a related field (or equivalent practical experience). Nice to Have * Understanding of enterprise development patterns * Experienced with large-scale microservices architecture * Experience with cloud providers (AWS, GCP, etc.) * Active performance observation * Gambling domain experience * Understanding of application security and industry standards, its best practice What We Offer * Competitive Salary * Quarterly Bonuses * Unlimited Paid Time Off * Unlimited Paid Sick Leave * Remote & Flexible Working * Private Medical Insurance * Financial Support for Life Events * Professional Development Budget * International Exposure * Regular Company Events *Benefits may vary depending on location and contractual agreement Recruitment Process * HR interview * Technical interview (with Live coding) * Final interview Please take into account that sometimes the process may differ, your TA Partner will keep you updated. Join us today!