Intermediate Software Engineer – .NET

Dev.Pro

. Provide SL2 support and resolve production issues .

Posted 10/9/2026contractRemote • Brazil, Argentina, ColombiaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in React.js and .NET Framework, with strong capabilities in troubleshooting and resolving technical issues in a fintech environment. Demonstrates effective collaboration, adaptability, and a commitment to quality in client onboarding and support.

Highest-signal resume keywords

React.js Proficiency.NET Framework ExperienceREST/SOAP API KnowledgeSQL Server ExperienceTechnical Support Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET MVCEntity Framework ORMETL JobsDebuggingSystem IntegrationStored ProceduresGitBatch JobsHealthCheck Application

Soft Skills

ProactivityTeamworkAdaptabilityAccountabilityTask Breakdown

Tools & Technologies

Microsoft Visual StudioMessage Queues

Industry Keywords

FintechPayment ProcessingClient OnboardingTechnical Support

Tech Stack

Tools & technologies

ASP.NETEntity FrameworkETLJavaScriptReactSOAPSQL.NET

About the role

Key responsibilities & impact

Provide SL2 support and resolve production issues
Address merchant inquiries and technical concerns
Collaborate closely with the SL1 Team on task prioritization
Ensure product stability by resolving data issues and verifying smooth transaction processing
Troubleshoot and resolve merchant/client technical issues, including transaction, gateway, device, and integration problems
Monitor and maintain application health through batch jobs, ETL jobs, and gateway communication using HealthCheck Application
Assist new clients with application and service integration
Ensure seamless client onboarding and offboarding experiences

Requirements

What you’ll need

Proficiency in React.js
Hands-on experience with .NET framework and development environment (Microsoft Visual Studio), including C# and ASP.NET MVC
Good knowledge of REST/SOAP APIs and hands-on experience with system integration
Familiarity with message queues
Experience with Entity Framework ORM and SQL Server, including stored procedures and ETL jobs
Knowledge of Git
Experience debugging, identifying root causes of issues, and solving coding problems efficiently
Strong skills in task breakdown, adaptability to changing priorities, and commitment to quality
Proactivity, teamwork skills, and a strong sense of accountability
Upper-Intermediate+ English level
Desirable: experience in technical support roles within the fintech and payment processing domain

Benefits

Comp & perks

Work with a top fintech company, gaining expertise in billing and payment processing
Join a global team handling a high-traffic, robust transaction system with diverse integrations
Develop strong skills in technical troubleshooting and resolving critical production issues