Sigma Software Group

Data Engineer

• Design and implement a scalable data warehouse or data lakehouse to support analytics, reporting, and business KPIs
• Develop and maintain reliable batch and/or streaming data pipelines from internal databases and external systems
• Collaborate with stakeholders to translate business requirements into efficient data models and schemas
• Establish and maintain data modeling standards and best practices
• Implement monitoring, data quality controls, and observability for all data workflows
• Provide well‑structured datasets to enable self‑service analytics for BI and data teams
• Document the data platform, including lineage, definitions, and contracts, to create a shared source of truth for metrics

Senior/Principal Data Engineer

SDET

• Work as part of the product development team, collaborating closely with customer-side developers
• Follow and support the Quality Assistance process
• Plan and estimate testing activities
• Create and maintain test documentation
• Design and execute manual, snapshot, and UI tests for new features
• Perform Functional, Regression, and Compatibility testing across Web and Mobile platforms
• Conduct release validation, smoke testing, and post-deployment quality checks
• Provide clear and regular status and progress reports
• Collaborate with product owners, business analysts, and development teams to ensure product quality
• Identify, document, and communicate risks and issues constructively

Senior Test Engineer – E-commerce Platform

• Analyze and clarify requirements to ensure a clear understanding of project goals
• Create and maintain comprehensive test documentation, including test cases, checklists, and supporting materials
• Design tests covering all system components and applications
• Execute manual testing across multiple applications and interfaces (UI and API)
• Collaborate closely with the development team throughout the SDLC to ensure product quality and timely delivery

Middle/Senior Test Engineer – FNDAI

Game Engineer

• Develop high-quality slot games from concept to release
• Collaborate closely with game designers, artists, animators, server developers, and QA teams
• Integrate visual assets into the game engine and optimize for performance and memory usage
• Apply AI tools to streamline workflows and enhance creativity
• Provide mentorship and technical guidance to junior developers and artists
• Ensure adherence to best practices and maintain organizational discipline to meet delivery timelines
• Contribute to internal competence centers and innovation initiatives

Game Developer

• Design, build, and maintain reliable data pipelines to ingest and process data from external systems
• Implement integrations using Java or Scala, ensuring scalability and resilience
• Handle both full data loads and incremental updates efficiently
• Collaborate with engineering and product teams to align on integration and data needs
• Develop and maintain a unified internal data model
• Ensure data quality, detect and resolve incorrect or incomplete data
• Utilize AI-assisted tools to improve data quality and operational efficiency
• Monitor and optimize data pipelines for production readiness

Senior Data Engineer – Integrations, Data Platform

Backend Engineer

• Design, develop, and maintain backend services using TypeScript and NestJS within a microservices architecture
• Integrate third-party services and APIs into the platform, ensuring high reliability and performance
• Work with PostgreSQL, MongoDB, and Redis for efficient data storage and retrieval
• Collaborate with cross-functional teams to deliver new features for the platform’s new product
• Participate in the full software development lifecycle, from requirements analysis to deployment and support
• Support DevOps activities, including CI/CD processes, infrastructure setup, and monitoring
• Monitor and optimize application performance, scalability, and security
• Troubleshoot and resolve technical issues
• Ensure code quality by following best practices and project conventions
• Contribute to improving team processes and technical documentation
• Proactively identify and communicate risks, blockers, and improvement opportunities
• Adapt to changing requirements and priorities

Junior/Middle Backend Developer, IoT domain

Full-stack Engineer

• Build and maintain AI SDLC pipelines, tooling, and automation logic across the development lifecycle
• Implement agentic AI patterns, multi-agent workflows, and intelligent task automation
• Work with tools such as Claude Code, Cursor, Microsoft Copilot, and other AI engineering environments
• Evaluate emerging agentic AI models, frameworks, and toolkits
• Build POCs and prototypes to benchmark scalability, reliability, and architecture fit
• Propose optimal designs based on hands-on research and clear analysis of trade-offs
• Work with product teams, architects, and clients to define requirements and shape agentic AI solutions
• Communicate complex technical concepts clearly to non-technical stakeholders
• Guide clients on AI tool adoption (both greenfield and brownfield)

AI-augmented Software Developer

Frontend Engineer

• Serve as the primary technical lead for dashboard development
• Design and architect the next-generation dashboard platform
• Lead post-mortems and coach team members on conducting thorough root cause analyses
• Partner closely with Product and Research teams to align features with business needs
• Profile, debug, optimize, and strengthen the security of web applications
• Contribute to an agile development process and create clear documentation
• Mentor junior engineers and support their professional growth
• Collaborate with a high-caliber engineering team focused on learning, experimentation, and technical excellence
• Foster a high-performance engineering culture emphasizing efficiency, collaboration, and quality

Principal Full-Stack Engineer – Frontend Focus

DevOps Engineer

• Architect, scale, and maintain self-managed Redis, Kafka, Elasticsearch/OpenSearch, and MongoDB clusters
• Collaborate with Product and Engineering teams to design resilient architectures for high-scale, real-time cloud operations
• Proactively identify bottlenecks and security risks, implementing robust solutions with minimal supervision
• Ensure high availability and disaster recovery for distributed systems through Infrastructure-as-Code and CI/CD best practices
• Optimize performance and reliability of cloud-native systems, focusing on observability and automated recovery processes
• Mentor team members and contribute to DevOps knowledge-sharing across the organization

Senior DevOps Engineer, Cybersecurity Platform

Senior DevOps Engineer – Cybersecurity Platform

Middleware Backend Developer, IoT

Data Scientist

• Design, develop, and deploy machine learning models to solve complex business problems in the AdTech domain
• Analyze large datasets to generate actionable insights and improve product performance
• Build and maintain scalable data pipelines using big data tools and frameworks
• Perform data preprocessing, cleaning, feature engineering, and model evaluation
• Collaborate with cross-functional teams including engineers, analysts, and product managers
• Ensure model accuracy, reliability, and scalability through rigorous testing and validation
• Stay updated on emerging data science techniques, tools, and best practices
• Contribute to team discussions, process improvements, and knowledge sharing

Senior Data Scientist – AdTech

Principal Full-Stack Engineer, Frontend Focus

• Design, develop, and implement large-scale distributed systems capable of handling high data volumes
• Build scalable, low-latency, and fault-tolerant solutions
• Develop APIs and event-driven architectures to meet system requirements
• Implement unit, API, regression, and performance testing strategies
• Work with React for frontend development
• Optimize solutions for scalability, reliability, and high performance
• Collaborate with cross-functional teams to resolve production incidents quickly
• Participate in code reviews and contribute to continuous improvement of development processes

Senior/Principal Data Engineer

Senior Test Engineer – E-commerce Platform

Middle/Senior Test Engineer – FNDAI

Game Developer

Senior Data Engineer – Integrations, Data Platform

Junior/Middle Backend Developer, IoT domain

AI-augmented Software Developer

Principal Full-Stack Engineer – Frontend Focus

Senior DevOps Engineer, Cybersecurity Platform

Senior DevOps Engineer – Cybersecurity Platform

Senior DevOps Engineer – Cybersecurity Platform

Middleware Backend Developer, IoT

Senior Data Scientist – AdTech

Principal Full-Stack Engineer, Frontend Focus

Middle Full Stack Engineer, Frontend Focus