Exerizon

Mid-level Software Engineer - Multiple Teams

Full-Stack EngineeringConfirmed live in the last 24 hours

Full-timeWarsaw, PolandPLN90 /hr

About the Job

Requirements

At least 2 years of commercial full-stack development experience.
Strong foundation in C#, .NET Framework, and modern .NET 6/8.
Proficiency in JavaScript and modern frontend frameworks such as Angular.
Familiarity with legacy JavaScript patterns such as RequireJS is a plus.
Solid SQL skills in T-SQL or PL-SQL and hands-on experience designing or consuming RESTful APIs and web services.
Basic understanding of web application architecture and relational database design.
English proficiency at B2 or higher, written and spoken.

Responsibilities

Develop AI workflows and enterprise applications using C#, JavaScript, and relational databases.
Build and maintain API integrations using REST, OData, and legacy protocols such as SOAP/WCF where applicable.
Write and optimize database queries using T-SQL or PL-SQL.
Collaborate with solution architects to design technical specifications and document API contracts.
Build, customize, and integrate enterprise business solutions, including CRM, workflow, and AI workflows or integrations.
Work alongside the Creatio team to build and maintain business applications.

Desired Qualifications

Experience working with CRM software and workflow engines.

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

Exerizon · Warsaw, Poland (Hybrid) · Contract · Posted 2026-07-30

Workplace: hybrid

Department: Software Development

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 aplications. 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.

Apply

Apply at Exerizon

About the Company

Exerizon

Company size: Not listed
Company stage: Not listed
Total funding: Not listed
Headquarters: Not listed
Founded: Not listed

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