Senior Java Development Engineer

Barnksforte Group Limited - We are a fast-growing software company building identity and digital-transformation solutions (biometrics, secure ID platforms, managed services) for governments (G2B/G2C), large enterprises and consumers across Africa. Our products power mission-critical services used by millions and demand disciplined delivery, strong stakeholder management and continuous improvement mindset.

We are recruiting to fill the position below:

Job Position: Senior Java Development Engineer

Job Location: Abuja (FCT)
Employment Type: Full Time - Onsite / Hybrid
Reports To: Software Development Manager

Job Purpose

• The Senior Java Development Engineer is responsible for designing, developing, optimizing, and maintaining secure, scalable, and high-performance backend platforms supporting enterprise and government technology solutions.
• The role focuses on backend engineering, microservices architecture, distributed systems, cloud-native development, API integration, large-scale transaction processing, and enterprise-grade application development using Java and modern backend technologies.
• The Senior Java Development Engineer will work closely with Product, Architecture, DevOps, Database, QA, Infrastructure, and Security teams to build reliable and scalable digital platforms capable of supporting mission-critical operations, high transaction volumes, and large-scale data processing environments.
• The role also includes providing technical leadership, supporting architecture decisions, conducting code reviews, mentoring junior developers, and promoting engineering best practices across development teams.

Key Responsibilities
Backend Application Development:

• Design, develop, and maintain enterprise-grade backend systems and microservices using Java and Spring frameworks.
• Build scalable, secure, and high-performance APIs and distributed services.
• Develop cloud-native backend applications supporting enterprise and government-scale platforms.
• Ensure application reliability, scalability, fault tolerance, and operational stability.
• Participate in architecture design, solution development, and technical planning activities.

Microservices & Distributed Systems Engineering:

• Design and implement microservices-based architectures and distributed systems.
• Develop event-driven systems using messaging and streaming technologies.
• Support asynchronous communication, service orchestration, and system integration patterns.
• Optimize backend services for scalability, resiliency, and high-throughput processing.
• Support modernization and continuous improvement of backend platforms.

API Development & Integration:

• Design, develop, document, and maintain secure RESTful APIs and backend services.
• Integrate internal and external enterprise systems using modern integration approaches.
• Support API security, authentication, authorization, and encryption standards.
• Ensure API reliability, scalability, and performance optimization.
• Support service interoperability across enterprise platforms.

Database & Data Processing:

• Design and optimize relational and non-relational database structures.
• Develop systems capable of processing large-scale datasets and high-volume transactions.
• Optimize queries, transactions, indexing, and database access patterns.
• Work closely with Database Engineers on data architecture and performance optimization.
• Support transactional integrity, consistency, and secure data handling practices.

Cloud & Platform Engineering:

• Develop and maintain applications deployed on AWS or other cloud platforms.
• Support containerized deployments, cloud-native architectures, and scalable infrastructure environments.
• Collaborate with DevOps teams on CI/CD, deployment automation, and operational optimization.
• Support system monitoring, logging, troubleshooting, and operational support activities.
• Contribute to cloud modernization and infrastructure optimization initiatives.

Security & Secure Development Practices:

• Implement secure coding standards and application security best practices.
• Support cryptography, encryption, tokenization, and secure key management implementations.
• Identify and remediate application vulnerabilities and security risks.
• Collaborate with Security teams to ensure compliance with organizational security standards.
• Promote secure software development lifecycle (SSDLC) practices across teams.

Technical Leadership & Collaboration:

• Participate in architecture reviews, technical discussions, and engineering planning sessions.
• Conduct code reviews and ensure adherence to coding standards and development best practices.
• Mentor junior and mid-level developers on engineering standards and technical approaches.
• Work closely with Product Managers, QA Teams, DevOps, Infrastructure, and Security teams.
• Support continuous improvement of engineering processes, standards, and operational practices.

Key Performance Indicators (KPIs)

• Application performance and scalability metrics.
• API reliability and system uptime.
• Code quality and defect reduction rate.
• Delivery of assigned development milestones within timelines.
• System incident response and resolution time.
• Secure coding and vulnerability remediation compliance.
• Backend performance optimization effectiveness.
• Technical documentation and code review participation.
• Contribution to architecture and engineering improvements.
• Collaboration effectiveness across development and operational teams.

Qualifications & Experience

Education:

• Bachelor’s Degree in any of the following disciplines:
  • Computer Science
  • Software Engineering
  • Information Technology
  • Computer Engineering
  • Or a related field

Experience:

• 7–10+ years’ experience in Java backend development and enterprise application engineering.
• Hands-on experience building scalable enterprise and distributed backend systems.
• Experience working with microservices architecture and event-driven systems.
• Experience supporting enterprise, fintech, or government technology platforms.
• Experience working within Agile/Scrum software delivery environments.

Preferred Technologies & Frameworks:

• Java
• Spring Framework
• Spring Boot
• Hibernate / JPA
• REST APIs
• Kafka / RabbitMQ or related messaging platforms
• Docker
• Kubernetes
• AWS or related cloud platforms

Preferred Database Technologies:

• PostgreSQL
• Oracle
• MySQL
• MongoDB or other NoSQL platforms

Certifications (Advantage):

• Oracle Certified Professional Java Programmer
• AWS Certified Developer
• AWS Certified Solutions Architect
• Spring Professional Certification
• Kubernetes Certifications

Technical Skills:

• Enterprise Java backend development.
• Microservices architecture and distributed systems.
• RESTful API development and integration.
• Event-driven architecture and messaging systems.
• Cloud-native application development.
• Database design and performance optimization.
• Secure coding and application security practices.
• CI/CD and DevOps collaboration.
• System scalability, performance, and reliability engineering.
• Troubleshooting and production support activities.
• Technical documentation and architecture understanding.

Skills & Competencies:

• Strong analytical and problem-solving capability.
• Strong software architecture and engineering mindset.
• Attention to detail and code quality discipline.
• Strong communication and collaboration skills.
• Ability to work independently and within cross-functional teams.
• Strong ownership and accountability mindset.
• Ability to manage technical priorities and delivery timelines.

Behavioral Attributes:

• Proactive and solution-oriented mindset.
• Strong commitment to engineering quality and operational excellence.
• Continuous learning and adaptability capability.
• Strong mentoring and teamwork orientation.
• Ability to work under pressure in fast-paced delivery environments.

Work Environment:

• Strategic and collaborative technology environment.
• Involvement in high-impact, group-wide technology initiatives.
• Opportunities for professional growth and influence across enterprise and government technology platforms within the Barnksforte Group.

Salary
N400,000 - N900,000 Monthly.

Method of Application
Interested and qualified candidates should submit their CV / resume along with a cover letter detailing their relevant experience to: [email protected] using the Job Position & Location as the subject of the email.