Backend Engineer

Job Category:Engineering
Job Type:Full Time
Job Location:Nigeria
Department:Thelix Holdings

Thelix Holdings is a holding company powering innovation across multiple industries through its diverse portfolio of high-impact subsidiaries. Our brands—including ExcelMind, Lightforth, CreditVeto, ExcelMindCyber, and VeriPass—deliver transformative solutions in education, career development, cybersecurity, finance, and immigration. At Thelix Holdings, we are building platforms that change lives, and we are looking for skilled engineers who share our mission to drive progress at scale.

Role Overview

We are seeking a Backend Engineer who thrives in a fast-paced, collaborative environment and is passionate about building scalable, secure, and high-performing backend systems. You will work closely with product managers, front-end developers, and other stakeholders to power the next generation of platforms across Thelix Holdings’ portfolio.

Key Responsibilities

  • Design, implement, and optimize scalable and maintainable backend systems across a range of products.
  • Develop and manage RESTful and/or GraphQL APIs to enable smooth communication between backend and frontend layers.
  • Integrate with front-end applications and third-party services, ensuring seamless functionality and data flow.
  • Maintain databases (SQL/NoSQL), ensuring data integrity, security, and performance.
  • Collaborate with cross-functional teams to define, design, and ship new features that align with business goals.
  • Ensure the performance, responsiveness, and reliability of backend applications and services.
  • Troubleshoot, debug, and optimize existing systems, and participate in system upgrades as needed.
  • Participate in code reviews, enforce best practices, and mentor junior engineers as part of a growing team.

Required Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
  • 3+ years of experience in backend development using languages such as Python, Node.js, Java, or Go.
  • Experience with relational and/or non-relational databases (e.g., PostgreSQL, MySQL, MongoDB).
  • Proficiency in designing and consuming APIs (REST or GraphQL).
  • Familiarity with cloud platforms such as AWS, GCP, or Azure.
  • Understanding of security best practices, including authentication, authorization, and data protection.
  • Solid grasp of performance tuning, scalability, and monitoring for backend systems.
  • Experience with version control systems (e.g., Git) and CI/CD pipelines.

Preferred Qualifications

  • Experience working in startup or multi-product environments.
  • Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).
  • Exposure to serverless architecture or microservices.
  • Strong interest in any of Thelix’s focus areas: EdTech, CareerTech, FinTech, Cybersecurity, or ImmigrationTech.

What We Offer

  • A dynamic and mission-driven work environment.
  • Exposure to a wide range of impactful products and industries.
  • Opportunities for growth, learning, and career advancement.
  • Collaborative and supportive team culture.

How to Apply

Interested candidates should send their resume and a short cover letter highlighting relevant experience to: humanresources@excelmindcyber.com

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