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Back-End Developer, Mobile

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. Develop and maintain back-end solutions for cross-platform mobile applications.

Posted 9/17/2026contractRemote • BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing and maintaining back-end solutions for cross-platform mobile applications, with a strong focus on API development, database management, and scalable architectures. Proficient in secure development practices and capable of collaborating effectively with cross-functional teams.

Highest-signal resume keywords
Back-End DevelopmentAPI DevelopmentHorizontally Scalable SolutionsDatabase ManagementCross-Platform Mobile Applications

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
JavaPythonRedisMongoDBOracle NoSQLAngularReactNode.jsApache KafkaOracle Data Integrator
Soft Skills
Logical ReasoningProblem-SolvingOrganizational SkillsAttention to DetailGood Communication
Tools & Technologies
APIsHigh-Demand ApplicationsTechnical DocumentationSecure Development PracticesData Encryption
Certifications & Qualifications
Bachelor’s Degree in Information TechnologyPostgraduate Qualification in Information Technology
Industry Keywords
Cross-Platform Mobile ApplicationsConcurrent UsersApplication EvolutionDevelopment TeamsProduct Managers

Tech Stack

Tools & technologies
AngularApacheJavaJavaScriptKafkaMongoDBNode.jsNoSQLOraclePythonReactRedis

About the role

Key responsibilities & impact
  • Develop and maintain back-end solutions for cross-platform mobile applications.
  • Develop and integrate APIs.
  • Develop horizontally scalable solutions.
  • Support database development for high-demand applications.
  • Test, diagnose, debug, and update applications.
  • Work closely with development teams and product managers.
  • Support application evolution alongside data scientists and data analysts.
  • Prepare technical documentation.

Requirements

What you’ll need
  • Bachelor’s degree in Information Technology or a related field.
  • Postgraduate qualification in Information Technology or a related field, comprising at least 360 hours.
  • At least 4 years of experience in IT.
  • At least 2 years of experience as a back-end developer or in a similar role involving cross-platform mobile applications.
  • Experience working on projects with more than 800,000 concurrent users.
  • Experience developing horizontally scalable solutions.
  • Experience developing APIs and databases for high-demand applications.
  • Logical reasoning and problem-solving skills.
  • Strong organizational skills and attention to detail.
  • Good communication and teamwork skills.
  • Proactive approach.
  • Analytical skills.
  • Focus on quality and performance.
  • Familiarity with different technology stacks.
  • Redis, MongoDB, or Oracle NoSQL.
  • Java, Python, or other back-end programming languages.
  • Angular, React, or Node.js.
  • Apache Kafka and Oracle Data Integrator.
  • Secure development practices and data encryption.