Alexei KLENIN

Expert Full Stack Developper

Java | Spring | Typescript | Angular | Elasticsearch

Bringing ideas from the ground to the space.

My Offer

I specialize in end-to-end development of SaaS applications, turning concepts into robust, production-ready software. With expertise in building scalable web services, I handle every stage of development—from the first line of code to deployment.

Tech Stack

  • Backend: Java or Node.js
  • Frontend: Angular
  • Deployment: Firebase, Heroku, and AWS

I manage the entire process, ensuring seamless functionality and scalability to bring your vision to life.

Process of Working with Me

Step 1

Initial Consultation

In our first call, we’ll discuss your ideas, expectations, and any limitations. I’ll provide an initial estimate for time and cost.

Step 2

Scope Definition

I’ll create a comprehensive Scope Statement to capture every detail, ensuring nothing is overlooked. You’ll receive a clear, itemized quote for the full project.

Step 3

Development

Approximately two-thirds of the timeline is dedicated to development. We’ll schedule regular Checkpoint Meetings to review progress and maintain alignment.

Step 4

Refinement

The final third of the timeline is reserved for adjustments, ensuring the solution meets your requirements completely.

Step 5

Delivery

You’ll receive the full application code, along with thorough documentation on deployment and usage.

Step 6

Maintenance

I stand behind the quality of my work. I commit to fixing any bugs, free of charge, that arise within the first year after delivery.

Other Services

In addition to SaaS development, I offer:

Java Development Services

Comprehensive development across the Java ecosystem, including desktop and console applications, services, libraries, plugins, and agents. I am skilled in all aspects of Java programming, from low-level coding and multithreading to JNI (Java Native Interface).

Math-Intensive Programming

Expertise in developing complex algorithms and math-heavy applications to tackle specialized computational needs.

For more information about these services, please schedule a consultation or reach out via the Contact Form.

Clients Who Trusted My Expertise

Project: MyDPD for Consignee, the website intended for parcel recipients, used in all countries where DPD operates.

Project: PMU & Nous, a mobile application to assist PMU partners in their commercial activities.

Project: Search Engine for Carrefour.fr

My Rates

I work on a quoted basis to provide a customized approach for each project. I accept projects with a minimum budget of €5,000. For a small SaaS application, you can expect an investment between €10,000 and €60,000, with a development timeline of 1 to 6 months. Here’s how the costs are typically allocated:

ServiceDevelopment TimeCost Before VAT*
Major Feature**5 days3,500€
Authentication10 days7,000€
Payment System10 days7,000€

* In France, the VAT rate is 20%.

**Major feature refers to an independent, fully operational component of the software that includes backend, frontend, database elements, and all necessary integrations. Examples of major features include: User Management and Document Processing Pipeline.