Java Software Engineer
AI summary
Crown Interactive is hiring a Java Software Engineer in Lagos to design, develop, and maintain backend services using Java 8+, Spring Boot, and RESTful APIs. The role involves full software lifecycle work, cross-functional collaboration, and supporting a new Service Aggregator platform in Nigeria.
- Full-time role based in Lagos, Nigeria
- Requires 7+ years of Java backend development experience
- Strong focus on Spring Boot, JPA/Hibernate, and REST APIs
- Experience in energy, power, or utilities software is preferred
- Work with cross-functional agile teams on a new platform launch
AI job guide
Use this guide to check salary signals, requirements, documents, application steps and safety before you apply.
AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- Required7+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in sales, security, call_centerThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in LagosThe vacancy is associated with this location.
- UnclearComfort with the Full time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Java Software Engineer evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Crown Interactive and the role in Lagos.
- Add concrete examples related to sales, security, call_center, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobzilla Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- Jobzilla Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
Never pay for interviews, shortlisting, medical checks, uniforms, or job placement. Confirm every application at the original source before sharing personal documents. Report suspicious listing.
Interview preparation
- What experience makes you a strong fit for this Java Software Engineer role in sales, security?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Lagos under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Crown Interactive before the interview.
Ask what the first priorities will be in the role and how success will be measured.
Similar jobs to consider
Use AI to apply better
After confirming the original source, use Career Assistant to check role fit, tailor your CV and prepare a cover letter or employer message.
Original source description
Java Software Engineer at Crown Interactive ⏲ Aug 12, 2026, 11:14 AM ⋕ View all Data Science & Analytics jobs Crown Interactive delivers innovative, cost-effective, service aggregation solutions to the Telecom, Media and Technology-based sectors. Starting in 2005, this London-based business has gained ground-breaking expertise integrating business systems with evolving information technology. Based on the local demands of emerging markets, a new operation has been launched with its head office in Lagos, Nigeria. We also have a base in Washington DC. Our uniquely qualified and highly skilled team includes a diverse make-up of international technology professionals. The company is guided by our operating principles of professionalism, integrity, efficiency, innovation, and unsurpassed customer service. Crown Interactive is launching a world-class Service Aggregator platform in Nigeria using cutting-edge Business Support Systems (BSS) platform. The service offering includes comprehensive order-to-cash services for local and international service providers who are seeking to outsource their business support systems with a minimum of capital expenditure. Additionally, Crown Interactive has established a Nigerian-based products operation with exclusive distribution rights to provide highly innovative 3G data and voice Customer Premise Equipment (CPE) for individual consumers and small-to-medium businesses. We are recruiting to fill the position below: Job Title: Java Software Engineer Location: Lagos Job Type: Full time Job Objective You should have a solid foundation in Java development and be eager to contribute across the full software development lifecycle from requirements: analysis and design to development, testing, deployment, and ongoing support while collaborating closely with cross-functional teams. We are looking for a talented Java Developer to contribute to the design, development, and maintenance of our software applications. As a key member of the engineering team, you will be responsible for building and enhancing backend services that power our products and support business growth. Are you passionate about building robust, scalable backend systems? Do you enjoy solving complex problems and creating efficient, high-quality solutions? Key Roles & Responsibilities: Perform unit and integration testing using JUnit and Mockito Write clean, maintainable, and well-documented code Implement business logic with a focus on performance, scalability, and reliability Debug and resolve application defects and production issues Develop and maintain backend applications using Java 8+, Spring Framework, and Spring Boot Work with JPA/Hibernate to map domain models and optimize database interactions Collaborate with DevOps, QA, and frontend teams to deliver features end-to-end Participate in code reviews and contribute to technical improvements Design, implement, and consume RESTful APIs Required Qualification Proven experience: with software solutions for power distribution, metering, or energy billing systems. Familiarity with Linux-based deployment environments. Proficiency with MySQL or similar relational databases Bachelor’s Degree in Computer Science, Engineering, or a related field 7 years plus professional experience: in Java backend development Strong experience: with Spring Boot, Spring MVC, and Spring Data JPA Experience, preferably in energy, power, or utilities-focused software projects. Experience: using Maven or Gradle Experience: building and consuming REST APIs Experience: working with cross-functional product teams in an agile environment. Strong proficiency in one or more programming languages: Java, C#, Python, or JavaScript (Node.js, React, or Angular). Skill Requirements: Database query optimization Knowledge of application performance tuning REST API design principles Exposure to microservices architectures Experience: with Undertow or Tomcat configuration Experience: working in agile or cross-functional teams Java application architecture Basic understanding of security concepts (JWT, authentication, authorization) Exception handling and logging Experience: with Docker Perks & Benefits: Health, wellness, and professional development programs. Sales referral bonus incentives Competitive salary and performance-based incentives. Flexible work arrangements How to Apply Interested and qualified candidates should send their Application and CV to: [email protected] or [email protected] using the Job Title as the subject of the mail. View all Jobs in Nigeria Lagos State Java Software Engineer job vacancies in Nigeria