Greymatter Innovationz

About the Company

Greymatter Inovationz was born in this digital era; It is the innovators and engineers who are experts in building the digital future.

It help the clients to navigate the evolving technology paradigm. It's nimble, yet scale to deliver complex engagements.

Greymatter Innovationz is founded by industry experts who have deep consulting and services experiences in each of the areas it operates in. Its leadership have established experience in consulting and staffing businesses in various markets around the globe.

Greymatter Innovationz is fostering a culture of curiosity and entrepreneurship.

It's #BuiltInDigital

Listed Jobs

Company Name

Greymatter Innovationz

Job Title

Senior Full Stack Java Software Engineer

Job Description

Job title: Senior Full Stack Java Software Engineer Role Summary: Design, develop, and maintain scalable backend services in Java/Spring Boot and modern microservices. Build responsive front‑end interfaces with Angular or React. Deploy and manage applications on cloud platforms (PCF, Azure, AWS, GCP). Participate in PoCs, vendor selection, code reviews, and Agile ceremonies. Mentor junior developers and ensure robust testing and security practices. Expectations: * 5–8 years of full‑stack development experience. * Proven expertise in Java and Spring Boot. * Comfortable with additional backend languages such as Python (Flask), Node.js, C/C++. * Strong RESTful API design and implementation skills. * Experience deploying containerized applications on cloud services (Azure, AWS, GCP) with orchestration tools (AKS, EKS). * Front‑end proficiency in JavaScript, HTML/CSS, and at least one modern framework (Angular, React, Vue.js). * Working knowledge of relational (Oracle, PostgreSQL) and NoSQL (MongoDB) databases. * Ability to integrate third‑party APIs, manage authentication, data mapping and error handling. * Understanding of security concepts: JWT, public‑key cryptography, hashing, digital signatures. * Demonstrated experience with unit, integration, system, and performance testing. * Autonomy in problem solving and effective collaboration with cross‑functional teams. Key Responsibilities: * Architect and implement robust, scalable microservices using Java/Spring Boot. * Design and expose secure RESTful APIs. * Develop engaging UI components with Angular or React. * Deploy and manage applications on PCF or cloud platforms (Azure, AWS, GCP) using containers, Docker, and Kubernetes (AKS/EKS). * Conduct PoCs and contribute to technology, vendor, and framework selection. * Write clean, well‑documented, and testable code; ensure high code coverage. * Perform code reviews and suggest process improvements. * Troubleshoot, debug, and resolve complex technical issues. * Lead sprint planning, daily stand‑ups, retrospectives, and Agile ceremonies. * Mentor junior engineers, providing guidance on best practices and career growth. Required Skills: * Java, Spring Boot, RESTful API design, microservices architecture * Python Flask, Node.js, or C/C++ (preferred) * Angular or React front‑end development * Cloud platform experience (PCF, Azure, AWS, GCP) with container orchestration (AKS, EKS) * Relational & NoSQL database proficiency (Oracle, PostgreSQL, MongoDB) * Integration of third‑party APIs, OAuth, JWT, and other authentication methods * Security fundamentals: cryptography, digital signatures, hashing * Testing frameworks (JUnit, Mockito, integration testing tools) * DevOps tools: Docker, Kubernetes, Jenkins (good to have) * Agile methodologies, Scrum events, sprint planning Required Education & Certifications: * Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent professional experience. * Relevant certifications (e.g., Oracle Certified Professional Java SE, AWS Certified Developer, Azure Developer Associate) are an advantage.

St. louis, United states

On site

Senior

10-09-2025

Company Name

Greymatter Innovationz

Job Title

Lead AWS Cloud Engineer - Databricks Platform

Job Description

Job Title: Lead AWS Cloud Engineer – Databricks Platform Role Summary: Lead design, deployment, and management of scalable, secure AWS cloud infrastructure with deep Databricks expertise. Drive a team of cloud engineers, mentor peers, and collaborate cross‑functionally to deliver data‑driven solutions, optimizing performance, cost, and security across AWS and Databricks environments. Expectations: - Minimum 5 years of AWS cloud engineering experience with proven delivery track record. - 3+ years hands‑on with Databricks (pipelines, notebooks, Spark workloads). - 2+ years leading/mentoring engineering teams. - Strong leadership, communication, and stakeholder management skills. Key Responsibilities: - Design, implement, and optimize scalable, secure AWS architectures (EC2, S3, Lambda, RDS, VPC, IAM, CloudWatch, etc.). - Build, maintain, and tune Databricks clusters, notebooks, and Spark jobs; integrate with AWS services (S3, Glue, Redshift). - Lead a cloud engineering team: mentor, set best‑practice standards, and ensure alignment with architectural guidelines. - Automate infrastructure provisioning and management using IaC tools (Terraform, CloudFormation). - Monitor, troubleshoot, and resolve performance, cost, and security issues in AWS and Databricks environments. - Produce documentation, configurations, and regular performance, cost, and status reports. Required Skills: - AWS: EC2, S3, Lambda, RDS, VPC, IAM, CloudWatch, CloudFormation, Autoscaling, Security Groups, etc. - Databricks: notebook development, cluster management, Delta Lake, Data engineering best practices. - Apache Spark fundamentals (transformations, actions, cluster vs driver). - Containerization & orchestration: Docker, Kubernetes. - Infrastructure-as-Code: Terraform, CloudFormation. - Data processing frameworks, data lakes, analytics pipelines. - Strong security awareness in cloud settings. - Agile methodology familiarity (bonus). - Excellent written and verbal communication; adept at conveying technical concepts to non‑technical stakeholders. Required Education & Certifications: - Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field (or equivalent experience). - AWS Certified Solutions Architect – Professional (preferred). - Databricks Certified Associate Developer (preferred).

Princeton, United states

Hybrid

Senior

02-10-2025

Company Name

Greymatter Innovationz

Job Title

IAM Engineer

Job Description

**Job Title:** IAM Engineer **Role Summary:** Design, implement, and manage an Okta‑based Identity and Access Management solution to provide Single Sign‑On (SSO) and Multi‑Factor Authentication (MFA) for critical systems, and establish supporting access management processes including provisioning, access reviews, and governance. **Expactations:** - Deliver a fully functional Okta deployment meeting security and usability requirements. - Configure SSO and MFA across all target applications. - Develop and operationalize provisioning workflows and de‑provisioning procedures. - Institute regular access review cycles and enforce governance policies. - Collaborate with IT, security, and business stakeholders to align IAM with organizational standards. - Maintain documentation, provide training, and support ongoing IAM operations. **Key Responsibilities:** - Design and deploy Okta architecture (tenants, integrations, policies). - Integrate on‑premises and cloud applications using SAML, OIDC, OAuth, and LDAP/AD connectors. - Configure MFA methods and enforce adaptive authentication rules. - Build automated provisioning/de‑provisioning scripts and connectors. - Conduct periodic access reviews, reconcile entitlement discrepancies, and remediate findings. - Define and enforce IAM governance frameworks and compliance controls. - Monitor IAM health, generate reports, and troubleshoot authentication issues. - Produce and maintain technical documentation, runbooks, and user guides. - Provide IAM training and support to end users and administrators. **Required Skills:** - Proven experience implementing Okta (or comparable IAM platform). - Strong knowledge of SSO protocols (SAML, OIDC, OAuth) and MFA technologies. - Experience with identity lifecycle management, provisioning, and de‑provisioning. - Familiarity with directory services (Active Directory, LDAP). - Scripting/automation skills (PowerShell, Python, or similar). - Understanding of access governance, role‑based access control (RBAC), and compliance (e.g., GDPR, SOC2). - Excellent problem‑solving, communication, and stakeholder‑management abilities. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or related field (or equivalent practical experience). - Preferred certifications: Okta Certified Administrator/Engineer, Certified Identity and Access Management Engineer, CISSP, CompTIA Security+.

New york, United states

Hybrid

23-10-2025