WITS Innovation Lab
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Jobs at WITS Innovation Lab
Postman
JavaJOB DESCRIPTION:
KEY RESPONSIBILITIES
- Design, develop, and maintain automation test scripts using Java & Selenium
- Perform API testing using Postman, Rest Assured
- Execute and maintain automated regression test suites
- Validate backend functionality through API and database testing
- Identify, log, and track defects to closure
- Collaborate closely with developers and product teams
- Support CI/CD pipelines by integrating automation tests (good to have)
REQUIRED SKILLS
- Java – Must
- Selenium – Must
- API Testing – Must
GOOD TO HAVE
- Database Testing
- Exposure to CI/CD pipelines
RedisWe are looking for a highly skilled site reliability engineer to manage and scale our on-premise payments infrastructure. You will work on onsite environment spanning virtual machines and containerized workloads on bare metal, ensuring high availability, security, and performance for mission-critical systems.
Key Responsibilities
● Operate and optimize virtualized environments (VMs) and containerized workloads (Docker on bare metal)
● Manage and scale middleware systems like:
o Nginx (traffic routing, reverse proxy, load balancing)
o Redis (caching, HA setup)
o Kafka (streaming, partitioning, fault tolerance)
● Build and maintain CI/CD pipelines using Jenkins
● Manage infrastructure and application configurations using Git-based version control
● Ensure high availability, resilience, and performance tuning across systems
● Work on Linux system administration (RHEL/CentOS/Ubuntu)
● Implement and maintain automation frameworks using:
o Ansible
o Shell scripting
● Manage and troubleshoot networking components:
o TCP/IP, DNS, Load balancing
o Firewalls, WAF policies
o Akamai
● Handle security and compliance requirements
● Maintain accurate inventory and asset management systems
● Participate in incident response, RCA, and system reliability improvements
● Collaborate with application, security, and DevOps teams
Required Skills & Qualifications Core Infrastructure
● Strong hands-on experience with Linux system administration
● Experience managing on-prem data center environments
● Solid understanding of:
o Virtualization (VMware / KVM or similar)
o Bare metal provisioning
Containers & Middleware
● Experience running Docker in production (non-Kubernetes setups preferred)
● Strong operational knowledge of:
o Nginx
o Redis
o Kafka
o RDBMS
o Java
Observability, Alerting & Reliability
● Design and manage observability platforms:
o Elastic Stack (ELK)
o Grafana / Prometheus stack
● Build and maintain:
o Metrics, logs, and tracing pipelines
o Dashboards for system health and business KPIs
● Develop intelligent alerting strategies:
o Reduce noise (alert fatigue)
o Improve signal quality
● Build correlation mechanisms / alert aggregation systems to:
o Reduce MTTD (Mean Time to Detect)
o Reduce MTTR (Mean Time to Recover)
● Drive proactive monitoring and anomaly detection
● Lead incident response, debugging, and RCA with data-driven insights
CI/CD & Version Control
● Hands-on experience with:
o Git (branching strategies, code reviews, infra-as-code workflows)
o Jenkins (pipeline creation, build automation, deployment orchestration)
Networking & Security
● Good understanding of:
o Networking fundamentals (L3/L4 concepts)
o Firewalls and WAF (rule tuning, debugging)
● Experience handling secure production environments
Automation
● Hands-on experience with:
o Ansible and Shell scripting (bash)
Operations
● Experience with:
o Monitoring, alerting, and logging systems
o Incident management & RCA
o Capacity planning
Preferred Qualifications (Good to Have)
● Experience in UPI / Payments domain
● Understanding of:
o High TPS systems
o Low latency architecture
● Exposure to:
o Ceph / SAN / storage systems
o HA/DR design patterns
● Knowledge of observability stacks (Prometheus, ELK, etc.)
Experience working in regulated environments (PCI-DSS, RBI guidelines
Spring BootJava• 3+ years of hands-on experience developing and testing highly scalable software.
• Excellent coding skills in Java 17 or above.
• Very good understanding of any RDBMS and/or messaging queues
• Proficient in Core java, Solid foundation in object-oriented development and design patterns.
• Excellent problem-solving skills and attention to detail.
• Ability to engineer complex features/systems from scratch and drive it to completion.
• Good knowledge of multiple data storage systems.
• Prior experience in micro services and event driven architecture.
• Experience with Spring boot and Spring Security Framework
• Spring web-flux understanding is desirable
• Understand OWASP Top 10/CWE, DAST and SAST
Kubernetes
Jenkins
Amazon Web Services (AWS)We are looking for a skilled DevOps Engineer with hands-on experience in cloud platforms, CI/CD pipelines, container orchestration, and infrastructure automation. The ideal candidate is someone who loves solving reliability challenges, automating everything, and ensuring seamless delivery across environments.
Key Responsibilities
- Design, implement, and maintain CI/CD pipelines using GitHub Actions, Jenkins, and GitHub.
- Manage and optimize infrastructure on AWS/GCP, ensuring scalability, security, and high availability.
- Deploy and manage containerized applications using Docker and Kubernetes.
- Build, automate, and manage infrastructure as code using Terraform.
- Configure and manage automation tools and workflows using Ansible.
- Monitor system performance, troubleshoot production issues, and ensure smooth operations.
- Implement best practices for code management, release processes, and DevOps standards.
- Collaborate closely with development teams to improve build pipelines and deployment workflows.
- Write scripts in Python/Bash to automate operational tasks.
Required Skills & Experience
- 2+ years of hands-on experience as a DevOps Engineer or in a similar role.
- Strong expertise in AWS or GCP cloud services.
- Solid understanding of Kubernetes (deployment, scaling, service mesh, packaging).
- Proficiency with Terraform for infrastructure automation.
- Experience with Git, GitHub, and GitHub Actions for source control and CI/CD.
- Good knowledge of Jenkins pipelines and automation.
- Hands-on experience with Ansible for configuration management.
- Strong scripting skills using Python or Bash.
- Understanding of monitoring, logging, and security best practices.
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