Lead/Senior Engineer (Technical Co-Founder)

JR Netherlands; Amsterdam; On-site; EUR 90.000 - 110.000; Full time

Job summary

Join a leading company as the founding technical leader of a new B2B SaaS venture. You'll design a secure and scalable product architecture, build it from scratch with a focus on innovation, and collaborate closely with a Product Owner, all while enjoying the flexibility and support of a financially strong organization.

Benefits

Excellent pension with optional personal contributions.

Generous learning & development budget.

Daily fresh fruit and unlimited great coffee.

Qualifications

• 5+ years of hands-on software engineering experience.
• Proven track record in building and launching B2B SaaS products.
• Expertise in backend architecture, APIs, and cloud infrastructure.

Responsibilities

• Designing secure, scalable architecture and developing backend logic and APIs.
• Building the frontend ideally in Svelte and making key technical decisions.
• Collaborating closely with the Product Owner as the founding technical leader.

Skills

Golang

Svelte

PostgreSQL

AWS core services

Excellent communication

Education

Degree in Computer Science, AI or related field

Job description

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Client:

Location:

amsterdam, Netherlands

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

01.07.2025

Expiry Date:

15.08.2025

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Job Description:

Join as the founding technical leader of a brand-new B2B SaaS venture, backed by the stability of Company.info. Together with a seasoned Product Owner, you’ll build an innovative product from scratch. If you thrive in early-stage environments, want to create real impact, and love building smart solutions – this is for you.

Your role

You’ll be the driving force behind the first version of the product: designing secure, scalable architecture; building backend logic and APIs; and developing the frontend (ideally in Svelte). You’ll make key technical decisions, apply AI for speed and quality, and collaborate closely with your co-founder. Leverage Company.info’s support when needed, but lead with autonomy and entrepreneurial energy.

Team & culture

You and the Product Owner are the core founding team. Our culture is Agile at heart: transparent, self-organizing, and focused on delivering value through empirical learning. Your expertise won’t just be appreciated – it will be foundational to our success. We’re a company of approximately 100 people, with an IT department of around 45 professionals.

What you’ll get

• A greenfield product to build with maximum freedom and real customer impact.
• Annual salary: €90.000 – €110.000 (including 8% holiday allowance)
• Excellent pension with optional personal contributions.
• Premium MacBook and top-tier tools to excel in your role.
• Generous learning & development budget: courses, workshops, conferences.
• Daily fresh fruit and unlimited great coffee.
• Startup agility without the funding stress – supported by Company.info’s strong financials and rich tech ecosystem.

Your background

Experience & knowledge

• 5+ years of hands-on software engineering experience.
• Degree in Computer Science, AI or related field.
• Proven track record in building and launching B2B SaaS products.
• Expertise in backend architecture, APIs, cloud infrastructure (AWS preferred).
• Experience using AI to accelerate and improve software development.
• Familiar with modern DevOps: CI/CD, Terraform/CloudFormation, Kubernetes.

Skills

• Full-stack capable with mandatory Golang for backend; Svelte or other JS framework for frontend.
• PostgreSQL and secure API design (JSONAPI a plus).
• AWS core services (S3, RDS, EventBridge, Lambda).
• Familiar with tools like API gateways (Tyk), IAM (Keycloak), billing systems (Solvimon).
• Excellent communication and collaboration skills in English.

About Company.info

Company.info is the Dutch market leader in business intelligence. We empower professionals with actionable company data and insights for research, risk analysis, and innovation. You’ll build within a financially sound organization that values data-driven progress and entrepreneurial spirit.

At Company.info, we recognize the value of diverse backgrounds, ideas, and experiences, and strive to create a work environment where everyone feels accepted and appreciated. We encourage applicants from all backgrounds to be part of our team, as we believe this contributes to a dynamic and inspiring work culture. A social media check is an integral part of the selection process.