Expert Java Development & Enterprise Solutions


Specialized Nearshoring for DACH Markets

We are a boutique IT consultancy delivering high-impact Java development and enterprise architecture solutions. With deep expertise in automotive and telecommunications sectors, we partner with leading companies across Germany, Austria, and Switzerland as an extension of their technical teams. Our focused approach combines years of enterprise experience with agile methodologies, enabling us to deliver complex solutions that drive business growth while maintaining the highest standards of security and reliability—standards validated by our ISO 27001 certification.
Enterprise Java Development

From backend systems to complex microservices architectures, we build robust, scalable solutions across the entire Java ecosystem. Our comprehensive know-how spans almost all Java tools and frameworks, ensuring we can work with your existing technology stack or guide you toward the most suitable modern solutions for your specific requirements.

System Architecture & Modernization

Transform legacy systems into modern, cloud-ready architectures without disrupting business operations. We specialize in phased migration strategies that minimize risk. Our approach includes thorough system analysis, architectural planning, and step-by-step implementation ensuring seamless transitions from monolithic to microservices architectures.

DevOps & Cloud Solutions

Streamline your deployment pipeline with our comprehensive AWS expertise and DevOps practices. We implement CI/CD pipelines, infrastructure as code, monitoring solutions, and automated testing frameworks that enable faster releases, improved reliability, and reduced operational overhead.

Full-Stack Development

Beyond backend expertise, we deliver complete solutions including modern frontend frameworks, API design, database optimization, and integration with third-party systems. Our full-stack capabilities ensure cohesive, performant applications that meet all your business requirements.

Business Analysis & Process Implementation

Our team actively participates in business process analysis, translates complex business logic into technical solutions, and helps design efficient workflows and technical processes that align with your operational needs and strategic objectives.

Security Consulting & Penetration Testing

Our dedicated security specialist holds OSCP certification and provides comprehensive cybersecurity services as a standalone offering. We conduct thorough penetration tests, vulnerability assessments, and security audits to identify and remediate potential threats.

Industry Experience

Automotive Excellence

Our deep automotive industry experience includes working with premium German manufacturers on mission-critical systems. We understand the unique challenges of automotive software development, including stringent quality requirements, complex integration scenarios, and regulatory compliance needs.

Telecommunications Expertise

In the telecommunications sector, we've delivered solutions that handle millions of transactions daily, supporting everything from network infrastructure management to customer-facing applications. Our experience includes both traditional telecom systems and next-generation 5G platforms.

Enterprise Integration

We excel at integrating complex enterprise systems, whether connecting legacy mainframes with modern cloud applications or building APIs that enable seamless data flow between disparate systems.

Our Expertise

Core Technologies
Core Technologies
  • Java Ecosystem

  • Microservices

  • Relational & NoSQL Databases

  • Modern Cloud Platforms

  • DevOps Tools & Frameworks

  • Security Tools


Industry Specialization
  • Automotive: Connected car platforms, telematics systems, manufacturing execution and user management systems

  • Telecommunications: Network management systems, billing platforms, 5G infrastructure support

  • Enterprise Software: ERP integrations, CRM systems, data processing platforms, enterprise service bus implementations, user data integration platforms

Industry Specialization

Development Methodologies
Development Methodologies
  • Agile/Scrum: Certified Scrum practitioners with experience in scaled agile frameworks

  • DevOps Culture: Infrastructure as code, continuous integration/deployment, automated testing

  • Quality Assurance: Test-driven development, behavior-driven development, comprehensive testing strategies

Service Models

Team Augmentation & Dedicated Resources
We provide flexible staffing from single developers to complete teams. Our professionals integrate into your existing teams or operate as self-sufficient units with our own project management. We adapt to your preferences for any duration—from short-term specialists to multi-year teams.
Project-Based Delivery
For well-defined projects with clear scope and timelines, we take full responsibility for delivery, from requirements analysis through deployment and support.
Consulting & Architecture
Leverage our architectural expertise to design robust, scalable solutions. We provide strategic guidance on technology selection, system design, and implementation roadmaps.
Legacy Modernization
Transform outdated systems into modern, maintainable architectures. Our systematic approach minimizes business disruption while maximizing the value of your technology investments.

Our Approach

Discovery & Strategy
Discovery & Strategy

Every engagement begins with thorough discovery to understand your business objectives, technical constraints, and success criteria. We don't just solve immediate problems – we architect solutions that support your long-term strategic goals.


Iterative Development

Using proven agile methodologies, we deliver working software early and often. Regular demonstrations and feedback loops ensure that our solutions align perfectly with your evolving requirements.

Iterative Development

Knowledge Transfer
Knowledge Transfer

We believe in empowering your team. Throughout every project, we provide comprehensive documentation, conduct knowledge transfer sessions, and ensure your team can maintain and extend our solutions independently.

Why Choose Us

Senior-Level Expertise Only
Senior-Level Expertise Only

Every team member brings years of enterprise experience. We don't dilute our quality with junior developers learning on your project. When you work with us, you get seasoned professionals who can hit the ground running and make architectural decisions that stand the test of time.

Seamless Team Integration
Seamless Team Integration

We adapt to your existing processes, tools, and cultural norms. Whether you use Jira, Azure DevOps, or custom workflows, we integrate smoothly into your environment. Our team is fluent in both German and English, facilitating clear communication across all stakeholders and ensuring seamless collaboration with your local teams.

Strategic Nearshoring Advantage
Strategic Nearshoring Advantage

Based in Bulgaria and specialized in serving the DACH market, we offer the perfect balance of cost-effectiveness and quality. Our strategic location provides favorable time zone alignment for real-time collaboration during your business hours, while our deep understanding of German business culture and regulatory requirements (including GDPR compliance) ensures smooth project execution.

Boutique Approach, Enterprise Scale
Boutique Approach, Enterprise Scale

While we maintain a small, focused team, we have the experience and capabilities to handle enterprise-scale challenges. Our specialized focus means we can deliver solutions that larger consultancies might over-engineer or smaller firms might struggle to architect properly.

Contact us

Transform your technology initiatives with our specialized expertise. Whether you're modernizing legacy systems, building new enterprise applications, or augmenting your development team, we bring the focused experience and proven methodologies that drive success.

Our team is ready to integrate seamlessly with your organization and deliver the high-quality solutions that will drive your business forward. Let's start the conversation about how we can help you achieve your technology goals.

Contact us today to discuss your specific needs and learn how our nearshoring solutions can accelerate your digital transformation initiatives.

  • Sofia, Bulgaria

  • erst.it.ltdweb.de