Fresh Jobs at Weaver Fintech Ltd

Role Overview

• As a Senior Full-Stack Engineer, you'll help build and scale our fintech platform on AWS, owning secure, high-performance features for payments and marketplace operations that serve millions of transactions.
• You'll drive architectural choices, deliver event-driven serverless systems, take end-to-end ownership of features, and mentor the team in a fast-moving, high-impact environment. If you enjoy solving complex distributed problems at real financial scale and want to make a tangible difference, this is your role.

Responsibilities

• Influence architectural decisions with a focus on security, scalability, reliability, and high availability across distributed systems
• Select and implement technologies that optimize for performance and cost efficiency, ensuring seamless scaling across PayJustNow services
• Design and ship scalable, event-driven, serverless systems on AWS, using clear API contracts between services
• Own the end-to-end development of features for fraud-resistant payment systems and high-throughput marketplace, ensuring they are well-designed, maintainable, and highly performant
• Develop and maintain observability systems, including monitoring, metrics, and alerting for complete visibility
• Mentor other engineers through pairing, knowledge sharing, and technical guidance to elevate the entire team’s capabilities

Experience

• Hands-on experience developing applications on AWS using serverless components such as Lambda, API Gateway, DynamoDB, S3, and EventBridge/SQS/SNS
• Solid foundation in event-driven, serverless systems on AWS using CDK for infrastructure as code
• Strong experience building backends in Node.js / TypeScript that supported millions of monthly transactions.
• Experience building reusable components in React or Vue.js
• Competent profiling and optimizing serverless workloads at scale — cold-start mitigation, provisioned concurrency, memory/timeout tuning, cost/latency trade-offs — using tools like Lambda Power Tuning, X-Ray, CloudWatch Insights
• Proven track record shipping full-stack features across web and mobile

Benefits

• Competitive, market-aligned salary for an intermediate-level data engineer.
• Performance-based bonuses.
• Flexible or remote work options.
• Professional development opportunities and training support.
• Comprehensive benefits package.

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Role Overview

• As a Senior Backend Engineer and Team Lead, you'll lead the design and delivery of robust, scalable backend systems for our business platform on AWS, owning core features from architecture through production deployment.
• You'll guide technical decisions, implement high-quality Spring Boot microservices, ensure reliability in concurrent and distributed environments, and drive the team forward as a tech lead—running standups, refining backlogs, conducting reviews, and mentoring engineers in a collaborative, fast-paced setting.
• If you have strong Java/Spring Boot experience, hands-on AWS containerized deployments (via CDK/Fargate), a track record leading teams, and enjoy solving real-world scale challenges with clean, maintainable code, this is your opportunity to have significant impact.

Responsibilities

• Guide architecture with emphasis on security, scalability, reliability, and high availability
• Choose tech stacks for optimal performance, cost, and seamless scaling
• Design and implement RESTful APIs/microservices in Spring Boot on AWS with strong domain models
• Own end-to-end backend development of core platform features — robust, maintainable, performant (validation, business rules, state workflows)
• Ensure full observability via monitoring, metrics, and alerting
• Prepare code for async/background processing and future event-driven flows
• Lead agile processes: standups, backlog refinement, sprint planning, retrospectives
• Perform team leadership: performance reviews, mentorship, code reviews, and guidance

Requirements

• Hands-on development of production-grade Spring Boot applications in Java
• Strong experience deploying containerized Java services on AWS using CDK (IaC)
• Proven design of robust business logic and state management in concurrent environments (e.g., thread-safe persistence, validation rules, status transitions)
• Built and maintained scalable backends supporting high-volume transactions, queries, and data workflows
• Profiling & optimizing Java/Spring Boot applications: performance tuning, concurrency handling, transaction boundaries
• Prior experience as a team lead or tech lead: facilitating agile processes (standups, backlog grooming, sprint planning), conducting performance reviews, and driving team delivery