At a Glance
- Tasks: Own projects end-to-end, developing features for our AI-powered customer support platform.
- Company: Join Siena, a forward-thinking tech company focused on innovation and collaboration.
- Benefits: Enjoy competitive salary, health benefits, remote work options, and opportunities for professional growth.
- Other info: Dynamic team environment with excellent career advancement opportunities.
- Why this job: Make a real impact by powering millions of customer interactions with cutting-edge technology.
- Qualifications: 5+ years in software development with Node.js, React, TypeScript, and cloud environments.
The predicted salary is between 60000 - 80000 € per year.
If you love solving real-world problems, thrive in fast-paced environments, and take pride in shipping great products, this role is for you.
- 5+ years building in Node.js, React, TypeScript, and Express
- Strong with PostgreSQL, Redis, and cloud environments (AWS: Fargate, Lambda, EC2, SQS)
- Familiar with CI/CD (CodePipeline, GitHub Actions, or similar)
- Experience integrating with LLMs in production
- Experience with microservices and scalable systems
- Product-driven—you care about the impact of what you ship, not just the code
- AI-first—you live in Cursor, Claude Code and are comfortable orchestrating coding agents
- Naturally curious and proactive; you don’t wait for instructions, you create momentum
- (Desirable) Next.js, Python, or event-driven architectures
- (Desirable) Infra-as-code (Terraform, CDK)
- (Desirable) Event-driven architecture experience
As a fullstack engineer at Siena, you’ll own projects end-to-end, developing and optimizing features within our AI-powered customer support automation platform. You’ll work closely with product, shaping our roadmap while building reliable, high-performance systems.
Your code will power millions of monthly customer interactions across global brands, where reliability and speed directly impact business outcomes.
- Design, build, and maintain scalable features across the full stack (frontend, backend, and infra)
- Collaborate with Product to break down scope into iterative, high-impact releases
- Integrate cutting‑edge LLM capabilities into real enterprise workflows
- Work on an AI‑first product, integrating cutting‑edge LLM capabilities into enterprise customer support workflows
- Solve complex engineering challenges, from optimizing API performance to refining microservices architecture
- Maintain and improve our cloud infrastructure (AWS) with a DevOps mindset
- Exercise high agency and ownership—taking initiative, making decisions, and driving ideas to production
Fullstack Software Engineer employer: Deepstreamtech
At Siena, we pride ourselves on fostering a dynamic and innovative work culture where Fullstack Software Engineers can thrive. With a strong emphasis on employee growth, we offer opportunities to work on cutting-edge AI technologies while collaborating closely with product teams to shape impactful solutions. Our commitment to a supportive environment, combined with the chance to influence millions of customer interactions globally, makes Siena an exceptional employer for those seeking meaningful and rewarding careers in tech.
StudySmarter Expert Advice🤫
We think this is how you could land Fullstack Software Engineer
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those using Node.js, React, and AWS. We want to see what you can do, so make sure your work is front and centre!
✨Tip Number 3
Prepare for the interview by practising common technical questions and coding challenges. We recommend using platforms like LeetCode or HackerRank to sharpen your skills. Remember, confidence is key!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Fullstack Software Engineer
Some tips for your application 🫡
Show Your Passion for Problem-Solving:When you write your application, let us see your love for tackling real-world problems. Share examples of how you've solved challenges in previous roles, especially in fast-paced environments. We want to know what drives you!
Highlight Your Technical Skills:Make sure to showcase your experience with Node.js, React, TypeScript, and Express. Don’t forget to mention your familiarity with PostgreSQL, Redis, and AWS. We’re looking for someone who can hit the ground running, so be specific about your skills!
Demonstrate Your Product-Driven Mindset:We care about the impact of what you ship, not just the code itself. In your application, talk about projects where you’ve focused on user experience and business outcomes. Show us that you understand the bigger picture!
Be Proactive and Curious:We love candidates who take initiative! In your written application, share instances where you’ve gone above and beyond or taken the lead on a project. Let us see your natural curiosity and how it drives your work!
How to prepare for a job interview at Deepstreamtech
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Node.js, React, TypeScript, and Express. Brush up on PostgreSQL and Redis too, as these are crucial for the role. Be ready to discuss your past projects and how you’ve used these technologies to solve real-world problems.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled complex engineering challenges in the past. Whether it’s optimising API performance or refining microservices architecture, be ready to explain your thought process and the impact of your solutions.
✨Demonstrate Your Product-Driven Mindset
This role is all about shipping great products that make a difference. Be prepared to discuss how you prioritise user experience and product impact over just writing code. Share specific instances where your work has led to tangible business outcomes.
✨Embrace Your Curiosity and Initiative
The company values proactive individuals who create momentum. Think of times when you took the initiative on a project or learned something new that benefited your team. Highlight your natural curiosity and how it drives your work in tech.
