The Role
Senior Backend Engineer to design, build, and maintain banking backend systems and payment processing integrations using Node.js, NestJS, TypeScript and PostgreSQL. Responsible for API design (REST/GraphQL), query optimization, version control workflows, and collaboration with teams. Cloud, containerization, and orchestration experience is a plus.
Summary Generated by Built In
We urgently need to fill the role of a Senior Backend Engineer within
the Banking space:
- Bachelor's degree in Computer Science or any
relevant or a related field
- Proven
experience as a backend developer, with a strong portfolio of
projects involving PostgreSQL, Node.js. NestJs Expertise and
typescript with a deep understanding of their respective ecosystems and
best practices.
- Experience with payment gateway integrations and
payments processing.
- Solid understanding of databases, data modeling, and
query optimization. Familiarity with PostgreSQL, RESTful and/or
GraphQL APIs. Proficiency in version control (e.g., Git) and collaborative
development tools. Strong problem-solving skills and attention to detail.
- Excellent communication and teamwork skills.
Experience with cloud services (e.g., AWS, Azure, GCP) is a plus.
- Knowledge of containerization and orchestration tools
(e.g., Docker, Kubernetes) is a plus.
Requirements
Skills Required
- Bachelor's degree in Computer Science or related field
- 7+ years professional experience as a Back-end Engineer
- Proven backend development experience with PostgreSQL, Node.js, NestJS, and TypeScript
- Experience with payment gateway integrations and payments processing
- Solid understanding of databases, data modeling, and query optimization
- Familiarity with RESTful and/or GraphQL APIs
- Proficiency with version control (e.g., Git) and collaborative development tools
- Strong problem-solving skills and attention to detail
- Excellent communication and teamwork skills
- Must have an NYSC exemption/discharge certificate
- Experience with cloud services (AWS, Azure, GCP)
- Knowledge of containerization and orchestration tools (Docker, Kubernetes)
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The Company
What We Do
Alerzo is a Nigerian B2B e-commerce and technology company dedicated to digitalizing the informal retail sector. It provides a platform that enables retailers to source inventory directly from manufacturers and offers integrated digital payment solutions, business management tools, and logistics services. Alerzo's mission is to empower micro-businesses across Nigeria by streamlining the supply chain and enhancing operational efficiency for informal retailers.
