Application Support Engineer, Level 1

Devexperts

. Provide technical support to B2B clients using dxFeed market-data products .

Posted 9/18/2026full-timeRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in providing technical support for B2B clients in the FinTech sector, with a strong focus on troubleshooting high-load financial systems and market-data delivery. Proficient in collaborating with cross-functional teams and maintaining compliance with security and quality standards.

Highest-signal resume keywords

Technical Support for B2B ClientsTroubleshooting High-Load Financial SystemsLinux/Unix BasicsJava, Python, and/or C/C++ KnowledgeNetworking and Infrastructure Understanding

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Technical SupportTroubleshootingLinux/UnixJavaPythonC/C++NetworkingInfrastructureSystem MonitoringProblem Identification

Soft Skills

High Level of CommunicationDiligenceStress ResistanceQuick ResponseKnowledge Sharing

Tools & Technologies

DxFeed Market-Data ProductsCloudsSaaSIaaSSystem Architecture

Industry Keywords

FinTechMarket DataB2B ClientsTradingInvestments

Tech Stack

Tools & technologies

JavaLinuxPythonUnixC++

About the role

Key responsibilities & impact

Provide technical support to B2B clients using dxFeed market-data products
Troubleshoot and resolve issues in high-load financial systems and market-data delivery
Communicate with clients by providing technical guidance, recommendations, and integration support
Maintain accurate records of customer interactions, incidents, and resolutions
Identify root causes of technical problems and propose long-term solutions
Participate in system architecture discussions, documentation, procedures, and system-level test plans
Assist with rolling out new products and services
Monitor system health, performance, and software behavior
Collaborate with developers, business analysts, technical writers, sales, legal, and finance teams
Communicate with external market-data providers, exchanges, brokers, and trading firms
Provide training and knowledge sharing for users and teammates
Stay current with technologies and trends in FinTech and market data
Follow security, quality, and compliance standards
Collaborate across the three-level Technical Support team and contribute to technical and professional growth

Requirements

What you’ll need

General interest in finances (trading, investments, etc)
Work experience with clients around the globe
High level of communication and soft skills
Diligence and quick response to incoming information, including tickets, monitoring, calls, notifications, and chats
Ability to identify problems and pursue resolution
Ability to work in an environment with frequently changing context (stress resistance)
Console skills, including finding/checking component configurations
Knowledge of Linux / Unix basics, including bash, configuration in etc/, and logs in log/
Basic knowledge/understanding of Java, Python and/or C/C++
Basic knowledge of networking and infrastructure, including IP and TCP
Basic knowledge of Computer Science, Clouds, SaaS, IaaS, and scalable solutions
Preferred: understanding of the development process from client request through production rollout
Preferred: knowledge of the roles of various systems in the development process
Preferred: experience with production platforms and systems
Preferred: continuous working experience in large companies
Preferred: ability to propose ideas to improve team operations

Benefits

Comp & perks

INSS
FGTS
Life Insurance
30 calendar days of paid vacation per year
Flexible work arrangement with the possibility of remote work from anywhere in Brazil, subject to business needs and team alignment
Meal Voucher Program (BRL 40 per working day)