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Core Developer

New Black

Almere
Full-time
5-10 years experience
Remote OK

Key Skills

C#
.NET
MSSQL
PostgreSQL
Yugabyte
Elasticsearch
Redis
Message Queues
Cloud-Hosted Applications
Containerization
Backend Development
Software Architecture
Performance Tuning
Clean Code
Scalable Systems
AI-Assisted Development

Job Description

Welcome to New Black! Join the team behind EVA - our Contextual Commerce Platform - and help shape the future of global retail. At New Black, we’re redefining commerce by delivering cutting-edge retail solutions through EVA - our scalable, high-performance platform that powers leading international retailers. We are looking for a Core Developer ready to join us. If you thrive on solving complex technical challenges, enjoy working with scalable systems, and are excited about the role AI plays in development, we’d love to hear from you. About New Black We are just a bunch of NERDS, transforming the world of (e)commerce with our truly unique Contextual Commerce platform, called EVA. Our purpose is to help globally operating brands and retailers to become adaptive to change. EVA is the engine that powers digital retail solutions, a secure, cloud-based platform that is set up to improve the consumer experience. We facilitate flexible infrastructure, enable digital transformation, and help our customers deliver a true unified experience and functionality to their customers faster and smarter. We work for leading brands and retailers such as Rituals, Kiko Milan, Dyson, G-Star, and many more. Our Philosophy New Black, is a company like no other. That is a promise. NEW BLACK believes work is more than compensation; we embrace holacracy to foster collaboration, aligning as a team without rigid reporting lines for agility and responsiveness. NEW BLACK is dedicated to hard work and continuous improvement, viewing success as a shared responsibility and striving for excellence. NEW BLACK is more than a software company; we are a next-generation platform transforming (e)commerce, filled with passionate people who love what we do. NEW BLACK is ambitious; we are profitable and fully bootstrapped (no investors, no debts), granting us the freedom to shape our company as we see fit. NEW BLACK wholly owns its intellectual property, enabling us to make independent decisions about our products and innovate with the latest technology. NEW BLACK has formed strategic partnerships with top global brands like Apple, Microsoft, Adyen, and Deloitte, creating an ecosystem for global expansion and sustainable success. About Your Role As a Core Developer, you will be deeply involved in designing, developing, and maintaining EVA’s backend platform. You will ensure it is robust, adaptable, and ready to meet evolving business needs. You'll work closely with Product Owners, fellow developers, and the infrastructure team, leveraging your expertise in architecture, performance tuning, and clean code. AI won’t replace your skills - it will enhance them. From coding and testing to diagnostics and documentation, you'll be encouraged to use AI tools when they improve quality, speed, or clarity. What you'll do Build and maintain EVA’s core platform - from prototypes to production - with performance, scalability, and clean architecture at heart. Collaborate with Product Owners and engineers to deliver robust, business-critical features. Maintain and improve integrations with third parties. Write high-quality, well-tested code and performant code. Use AI tools to boost productivity in coding, testing, and debugging. Stay curious and proactive, exploring how AI and other emerging technologies can improve development workflows. What you bring Strong experience in C# and the .NET ecosystem. Experience with MSSQL, Postgres and/or Yugabyte, Elasticsearch, Redis, message queues and building cloud-hosted applications. Familiarity with the concepts of containers. Passion for clean code, scalable systems. Hands-on experience with AI-assisted development tools - streamline tasks like debugging, documentation, or deployment. Affinity with payment methods, financial systems or global compliance is a plus. What we offer A company like no other; New Black really takes care of you. We hire with the intention to keep you! To be your own boss, for we don’t have a hierarchy but implemented a holacratic way of working. Everyone is equal. State of the art equipment for your home office (AirPods, Macbook etc.), and many amazing perks which will reflect your effort and input. Determine your own working hours and days. Determine your own off-time and working location. When you come to the office – the travel is on us! Our own chef who prepares amazing lunches for you in the office. To be part of something great, not just a job, but a movement in Retail IT landscape. This is a company where everyone works with passion, and they are the best in what they do We are changing the future of retail worldwide, and we invite you to be part of it. Apply because you’ve got the motivation to change the game of global retail and the skills to back it up. --------- We respect your privacy and protect your data. New Black uses AI‑enabled tools to support parts of our hiring process. This policy explains how we collect, use, and safeguard your personal information during recruitment, following GDPR guidelines & the EU AI Policy.

Core Responsibilities

Design, develop, and maintain EVA’s backend platform, ensuring performance, scalability, clean architecture, and readiness for evolving business needs. Collaborate with product owners and engineers to deliver business-critical features, maintain third-party integrations, and use AI tools to support coding, testing, debugging, and documentation.

Requirements

Candidates should have strong experience with C# and the .NET ecosystem, along with experience in relevant databases, search and caching technologies, message queues, and cloud-hosted applications. Familiarity with containers, a passion for clean and scalable systems, and hands-on experience with AI-assisted development tools are expected; experience with payments, financial systems, or global compliance is a plus.

Benefits

  • Flexible Working Hours
  • Flexible Working Days
  • Flexible Work Location
  • Home Office Equipment
  • Travel Expenses Covered
  • Office Lunches

About New Black

Industry: IT Services and IT Consulting

Company size: 51-200 employees

Retail has always been about people. The real magic happens on the sales floor, in the conversations, the advice, the smiles that build loyalty long before any system even notices. Yet most retailers are being held back. Not by competitors, but by their technology. Over time, many have ended up with a patchwork of disconnected systems, what we call the Frankenstack®. It’s messy, difficult to maintain, and makes it nearly impossible to deliver a consistent experience to customers. Growth is hard when your roots are tangled. That’s where EVA comes in. EVA is the Contextual Commerce Foundation: one platform that brings everything together. Inventory, orders, promotions, loyalty, and clienteling tools for store associates all live in a single place, giving retailers and brands the ability to be adaptive to change. With EVA, associates don’t just ring up sales. They truly know their customers, with profiles, notes, and insights right at their fingertips. Headquarters doesn’t just send out strategies and hope for the best. Task management ensures those strategies actually reach every store. And customers aren’t left waiting or disappointed. EVA’s order management, appointments, and case handling keep promises dependable. It’s built for the global stage, with compliance and fiscalization built in from the start. And because it’s open, API-first, and adaptive, brands can shape it around their unique experiences instead of being forced to fit into rigid software. That’s why EVA is trusted by global brands like Rituals, KIKO Milano, Dyson, G-Star, Intersport, Red Wing Shoes, and many more. They see EVA not just as software, but as the foundation for a new kind of retail: simpler, more human, and ready for whatever comes next. So when we say EVA is the soil, that’s what we mean: the unseen foundation that lets associates rise as ambassadors, headquarters lead with clarity, and customers feel part of a community rather than just another transaction.

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