NDA, AdTech | Middle Full-Stack Developer

On-siteSalary not specified
Warsaw, Poland

Tech Stack

TypeScriptNode.jsJavaAngularRESTSpring BootNestJS

Job Description, Responsibilities & Requirements

About the Position

On behalf of NDA, AdTech, SD Solutions is looking for a talented Middle Full-Stack Developer.

SD Solutions is a staffing company operating globally. Contact us to get more details about the benefits we offer.

Responsibilities

  • You will be responsible for owning our end-to-end development process, from design to production, contributing to platform infrastructure and architectural decisions, and help driving best practices in system design, code quality, and AI-assisted development.
  • You will design and implement scalable backend services in Java (Spring Boot) and NestJS (Node.js/TypeScript), build RESTful and event-driven APIs, and develop reliable systems supporting publishers management, bidding logic, reporting, and customer-facing dashboards.
  • You will build and maintain modern frontend applications using Angular (15+), ensuring seamless integration with backend services and consistent UX performance.
  • You will engage in research of core technologies, integrations with external APIs and third-party services, and provide effective solutions to production and scalability challenges.
  • You will write high-quality, testable code (unit, integration, E2E), improve observability (logs, metrics, tracing), and actively participate in design reviews and technical discussions.

Requirements

  • 4+ years of experience developing enterprise web applications and distributed systems in production
  • Experience designing and implementing scalable web system architectures
  • Solid understanding of REST APIs, async processing, and clean architecture principles
  • Experience monitoring, debugging, and supporting production systems
  • Experience with Java (Spring Boot)
  • Experience with Node.js (TypeScript, NestJS) – advantage
  • Experience with modern UI frameworks (Angular, Vue, React) – big advantage
  • Experience with relational and non-relational databases (MySQL, Vertica, Redis, Elasticsearch)
  • Highly motivated team player with strong interpersonal skills and a “can-do” attitude
  • Self-starter, able to work independently and multitask effectively
  • Passionate about learning new technologies
  • BSc in Computer Science or equivalent

We Offer

  • Competitive salary
  • Opportunity to work in a fast-paced, technology-driven environment
  • Continuous investment in cutting-edge technologies
  • Collaborative and innovative work culture

About the Company

We are a leading AdTech company building innovative solutions that help brands, agencies, and publishers better understand and engage their audiences across multiple digital channels. Our platform combines advanced data capabilities, analytics, and automation to enable smarter advertising decisions and measurable business outcomes. We operate in a fast-paced, technology-driven environment where innovation, collaboration, and ownership are highly valued.

Our teams work on large-scale products that process vast amounts of data and serve clients worldwide. We continuously invest in cutting-edge technologies to create scalable, high-performance solutions that shape the future of digital advertising. As we grow, we are looking for talented professionals who are passionate about solving complex challenges and making a meaningful impact.

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Job Details

Company name:
SD Solutions
Location:
Warsaw, Poland
Employment Type:
Full-time
Work Mode:
On-site
Posted on TheJob:
6/12/2026
Last checked:
6/12/2026
Posted on the source:
6/3/2026
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