Mid-level Software Engineer (.NET / Angular / Creatio) (90 pln net / h / b2b)

Exerizon; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Growth Environment

Tech & Tools budget

Flexible Working Hours

Job summary

Exerizon is seeking a Software Developer with 2+ years of commercial experience to help build, customize, and integrate enterprise business solutions. You will work alongside the Creatio team to develop and maintain business applications.

Responsibilities include creating AI workflows, API integrations, and optimized SQL queries while collaborating with solution architects to define technical specifications.

Qualifications

• 2+ years of commercial full-stack development experience.
• Strong backend in C#, .NET Framework, and .NET 6/8.
• Frontend proficiency in JavaScript and Angular; familiarity with RESTful APIs.

Responsibilities

• Develop AI workflows and enterprise applications using C#, JavaScript, and relational databases.
• Build and maintain API integrations using REST, OData, and SOAP/WCF where applicable.
• Write and optimize database queries (T-SQL/PL-SQL).
• Collaborate with solution architects to design technical specs and document API contracts.

Skills

Full-stack development

C#

JavaScript

Angular

SQL

REST APIs

Web services

English (B2+)

Tools

RequireJS

SQL Server

Job description

We are looking for a Software Developer with 2+ years of commercial experience to help build, customize, and integrate enterprise business solutions (CRM, Workflow, and AI workflows/integrations). You will work alongside Creatio team to build and maintain business applications.

What you'll do:

• Develop AI workflows & enterprise applications using C#, JavaScript, and relational databases.
• Build and maintain API integrations using REST, OData, and legacy protocols (SOAP/WCF where applicable).
• Write and optimize database queries (T-SQL/PL-SQL).
• Collaborate with solution architects to design technical specs and document API contracts.

Requirements

• Experience: 2+ years of commercial full-stack development experience.
• Backend: Strong foundation in C#, .NET Framework, and modern .NET 6/8.
• Frontend: Proficiency in JavaScript and modern frontend frameworks (e.g., Angular). Familiarity with legacy JS patterns (like RequireJS) is a plus.
• Databases & APIs: Solid SQL skills (T-SQL or PL-SQL) and hands-on experience designing/consuming RESTful APIs and web services.
• Architecture: Basic understanding of web application architecture and relational DB design.
• Languages: English B2+ (written and spoken).
• Nice to have: experience working with CRM software and workflow engines.

Benefits

• Growth Environment: Direct mentorship from senior architects and lead engineers.
• Tech & Tools: Professional certifications budget, hardware & software provided.
• Flexible Working Hours: Core hours with freedom to manage your day.