Senior Backend Engineer
AI summary
Droomwork is building Africa's first complete HR infrastructure. They are hiring a Senior Backend Engineer to architect scalable backend services, design distributed systems, and lead engineering best practices. The role is contract-based in Port Harcourt & Rivers State, Nigeria, with a salary range of NGN 400,000 - 600,000.
- Senior level, minimum 6 years experience
- Contract role with working hours 8 to 5
- Salary range NGN 400,000 - 600,000
- Requires Degree qualification
AI job guide
Use this guide to check salary signals, requirements, documents, application steps and safety before you apply.
AI salary guide
Source salary availableThe source lists NGN 400,000 - 600,000. Confirm the final pay, benefits, contract terms and allowances directly with the employer before accepting an offer.
Can you qualify for this role?
- Required6+ 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 security, internship, segurancaThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Port HarcourtThe vacancy is associated with this location.
- UnclearComfort with the Contract 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 Senior Backend Engineer evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Jobberman Nigeria and the role in Port Harcourt.
- Add concrete examples related to security, internship, seguranca, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from Jobberman Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
Source and safety check
- Jobberman 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 Senior Backend Engineer role in security, internship?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Port Harcourt under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Jobberman Nigeria before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
Find a Job + + + + Search Senior Backend Engineer Droomwork Limited Engineering & Technology Today Easy apply New Port Harcourt & Rivers State Contract Recruitment NGN 400,000 - 600,000 Share link Share on WhatsApp Share on LinkedIn Share on Facebook Share on Twitter Share via SMS Job summary Droomwork is on a mission to build Africa’s first complete HR infrastructure — a single, intelligent backbone that powers how companies hire, pay, manage, and grow their workforce across the continent. We’re building the digital rails for Africa’s workforce — the invisible infrastructure that powers everything from talent sourcing to cross-border. Min Qualification: Degree Experience: Level: Senior level Experience: Length: 6 years Language Requirement: English Working Hours: Contract - 8 to 5 Applicant Location: Port Harcourt & Rivers State, Nigeria Job descriptions & requirements: Responsibilities: Architect, develop, and maintain highly scalable backend services using Microservices Architecture and API-First design principles. Design and implement distributed systems capable of supporting millions of payroll, recruitment, talent management, and workforce transactions. Build the core platform powering Droomwork Payroll, Droomwork Hire, and future HR infrastructure products. Develop secure RESTful APIs, webhooks, event-driven services, and SDKs for internal teams, enterprise customers, and third-party developers. Design authentication, authorization, and identity management systems using OAuth2, JWT, RBAC, and multi-tenant security models. Implement event-driven architectures using message queues and streaming technologies. Build integrations with payment gateways, banking APIs, tax authorities, pension providers, identity verification services, ERP platforms, and HRIS solutions. Design resilient data architectures using PostgreSQL, SQL, and NoSQL databases with replication, sharding, caching, and high-availability strategies. Lead the adoption of Domain-Driven Design (DDD), Clean Architecture, and engineering best practices. Build AI-ready infrastructure for intelligent workflows, document processing, recommendations, predictive analytics, and workflow automation. Optimize system performance, observability, reliability, and fault tolerance using monitoring, logging, tracing, and automated alerting. Design and maintain CI/CD pipelines, infrastructure automation, containerized deployments, and cloud-native environments using Docker and Kubernetes. Implement enterprise security best practices, including encryption, secrets management, audit logging, rate limiting, and compliance controls. Collaborate closely with Product, Frontend, DevOps, AI, and QA teams to deliver production-ready software. Mentor engineers through code reviews, architecture discussions, documentation, and engineering standards. Evaluate emerging technologies that improve scalability, developer productivity, platform reliability, and operational efficiency. Participate in technical roadmap planning and architectural decisions supporting Droomwork's AI-native HR platform vision. Ensure backend services maintain high availability, disaster recovery readiness, and zero-downtime deployment. Build reusable platform services such as: Notifications, Workflow orchestration, Audit services, File processing, Search, Billing, Permissions, and Organization management Champion engineering excellence through testing, automation, documentation, performance benchmarking, and continuous improvement. Requirements: A visionary systems thinker who understands how to build AI-native, API-first distributed systems, not just applications. 6+ years of production experience: building and scaling distributed or SaaS platforms. Deep expertise in multi-tenant architecture, API-first design, and microservices. Strong knowledge of databases, DevOps, and cloud infrastructure. Experience: building and shipping API-first digital products. Hands-on experience: building AI-native products from scratch. Experience: integrating AI and automation workflows into product infrastructure. Proven ability to manage complex technical projects and deliver results in fast-paced environments. Experience: with HR, FinTech, or Enterprise SaaS platforms is preferred. A hands-on builder who is comfortable writing production code and setting up systems. Based in, or willing to relocate to, Port Harcourt, Nigeria. 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