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Sundew
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1 to 50 Employees · Copenhagen, Denmark
4 open roles0 posted in 7d4 in 30d
Work-life balance 4.3Compensation & benefits 4.0Culture & values 4.3
Hiring: Engineering
Job description
Overview
We are looking for a highly skilled Senior Full Stack Developer with strong experience in designing scalable systems, leading architectural decisions, and mentoring development teams.
Responsibilities
- Design, develop, and maintain scalable web applications (frontend & backend).
- Write clean, maintainable, and efficient code following best practices.
- Participate in code reviews and ensure high-quality deliverables.
- Optimize applications for performance, scalability, and security.
- Lead system design discussions and translate business requirements into scalable technical solutions.
- Architect end-to-end solutions including APIs, databases, caching layers, and microservices.
- Design high-availability, distributed systems.
- Create technical design documents and architecture diagrams.
- Ensure adherence to best practices in design patterns and software architecture.
- Mentor junior and mid-level developers through code reviews and technical guidance.
- Support team members in career growth and skill development.
- Drive engineering best practices and coding standards across the team.
- Communicate technical concepts clearly to technical and non-technical stakeholders.
- Collaborate closely with the Designers, QA, and DevOps teams.
- Participate in sprint planning, backlog grooming, and stakeholder discussions.
- Provide clear status updates and proactively manage risks.
Qualifications
- Strong experience in frontend technologies (React).
- Strong backend development experience (Node.js).
- Strong understanding of database design (SQL & NoSQL).
- Hands-on experience with cloud platforms (AWS / Azure / GCP).
- Solid understanding of data structures, algorithms, and design patterns.
- Knowledge of caching strategies, load balancing, and performance optimization.
- Familiarity with event-driven architecture and messaging queues.
- Ability to make architecture trade-off decisions.
- Strong verbal and written communication skills.
- Proven mentoring and leadership experience.
- Strong problem-solving and analytical thinking ability.
- Ability to work independently and in a fast-paced environment.
- Exposure to containerization (Docker, Kubernetes).
- Knowledge using AI tools like Claude is preferred.
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Job application FAQ
Last updated 5 October 2026
- How do I apply for Senior Full Stack Developer at Sundew?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. Sundew may attach structured assessments to interview rounds after you apply.
- Does Feedback AI show a match score for this Senior Full Stack Developer role?
- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is Senior Full Stack Developer remote or on-site in Kolkata, West Bengal?
- This listing is marked on_site with location Kolkata, West Bengal. Confirm details on the job description before applying.
- What skills matter for this Senior Full Stack Developer role at Sundew?
- This is a senior Senior Full Stack Developer role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.