Sigma Software Group

Application Engineer

• Develop and maintain high-quality desktop application components using modern C++
• Implement scalable multithreading and concurrency solutions
• Analyze, identify, and resolve performance bottlenecks in complex desktop systems
• Participate in modernization and refactoring of legacy codebases
• Collaborate with architects, QA engineers, and product teams to deliver stable and efficient solutions
• Contribute to software quality improvements, debugging activities, and system stability initiatives
• Utilize AI-assisted development tools to improve development workflows and accelerate implementation activities
• Participate in technical discussions, code reviews, and engineering best practices initiatives

Senior C++ Engineer, Desktop Applications

Backend Engineer

• Configure and maintain website integrations, including event tracking, SPA fixes, cart tracking, and catalog integrations
• Implement and support Email Service Provider integrations and synchronization workflows
• Execute migration and replatforming activities with comprehensive validation and testing
• Develop custom onsite JavaScript solutions for campaigns and interactive user flows
• Build and support Airflow DAGs for recurring data processing workflows
• Configure dynamic email content and SKU-level recommendation tracking
• Analyze Customer requests and assess technical feasibility of solutions
• Develop integrations with third-party marketing and email platforms
• Investigate and resolve production issues and perform root cause analysis
• Collaborate with account managers, QA engineers, and implementation specialists
• Participate in technical consultations and onboarding alignment meetings

Junior JavaScript Developer

SDET

• Design, implement, and own end-to-end test automation strategies across desktop, web, and backend systems
• Develop and maintain scalable, reusable, and maintainable automated test frameworks
• Integrate automated testing into CI/CD pipelines and improve quality gates
• Perform functional, integration, system, UI, stress, load, and performance testing
• Collaborate closely with software engineers, architects, and product stakeholders to improve overall product quality
• Analyze test results, identify quality risks, and support defect resolution processes
• Contribute to continuous improvement of QA methodologies, tooling, and engineering practices
• Evaluate and implement modern automation tools and AI-assisted testing capabilities
• Support delivery of reliable software solutions within a regulated medical environment
• Participate in code reviews, technical discussions, and test strategy planning

Senior Test Automation Engineer, Medical Systems

• Design, implement, and maintain scalable end-to-end test automation strategies
• Implement and maintain test automation frameworks
• Build and optimize CI/CD quality gates and automated validation pipelines
• Perform stress, load, and performance testing activities
• Collaborate closely with developers, architects, and QA engineers to improve product quality and reliability
• Introduce and leverage AI-assisted testing and automation approaches where applicable
• Analyze test results, identify bottlenecks, and drive continuous quality improvements

Senior Test Automation Engineer – Healthcare/Medical

Full-stack Engineer

• Develop and maintain robust software applications using TypeScript/JavaScript, Node.js, Nest.js, and React
• Implement new functionality from scratch, such as role-based access control services, API integrations, and endpoint development, under the guidance of Senior Developers
• Collaborate closely with stakeholders to define, design, and deliver new features
• Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot
• Participate in code reviews, ensuring code quality and maintainability
• Contribute to continuous improvement of development processes and team collaboration practices
• Follow Agile/SCRUM methodologies and actively participate in ceremonies

Junior Full Stack Developer, Logistics Domain

• Design, develop, and implement large-scale distributed systems to handle substantial data volumes, ensuring scalability, low latency, and fault tolerance
• Implement APIs and event-driven solutions to meet system requirements and enhance functionality
• Create and execute comprehensive unit tests, API tests, regression tests, and performance tests to ensure the reliability and efficiency of the system
• Utilize modern frontend frameworks like React for web development
• Optimize solutions for scalability, reliability, and high performance
• Collaborate closely with cross-functional teams to promptly address and resolve production incidents, ensuring minimal downtime and swift recovery

Senior Full Stack Developer, Java, React

Project Manager

• Develop detailed project plans in collaboration with engineering leadership, including resource allocation and budget planning
• Coordinate, track, and deliver technical projects spanning multiple teams (engineering, product, threat intelligence, detection, customer success)
• Facilitate all Scrum ceremonies and Agile events to maintain team productivity and cohesion
• Ensure projects are delivered according to scope, schedule, budget, and quality standards
• Plan, manage, and monitor project execution; ensure on-time delivery within allocated budgets
• Conduct project risk analysis, proactively track and communicate risks to stakeholders and customers
• Create and maintain transparent, easy-to-read project documentation and reports
• Establish and continuously improve project management best practices, including tools, templates, and rules of engagement
• Drive change and efficiency in collaboration with internal and external partners
• Be a resource and people manager: participate in hiring planning with Recruiting, support onboarding, and ensure professional growth of team members
• Drive continuous improvements within the Competence Center, contribute to PMO activities and PM training initiatives, and share lessons learned and best practices to enhance project lifecycle efficiency
• Contribute to project lifecycle improvement through lessons learned and best-practice sharing

Senior Project Manager – AdTech

Machine Learning Engineer

• Design, develop, and optimize scalable Machine Learning models for advertising intelligence and forecasting systems
• Analyze large-scale historical and real-time datasets to improve forecasting accuracy and monetization strategies
• Build and maintain distributed data processing pipelines using Spark and related Big Data technologies
• Develop production-ready ML solutions using Python within AWS cloud infrastructure
• Research, evaluate, and implement Machine Learning algorithms suitable for high-load AdTech environments
• Improve model performance, scalability, reliability, and operational efficiency
• Collaborate with Data Engineers, Product Managers, and distributed engineering teams to deliver end-to-end ML solutions
• Contribute to ML architecture decisions, experimentation approaches, and engineering best practices
• Monitor, validate, and optimize ML model quality and forecasting performance in production environments
• Produce technical documentation related to ML pipelines, models, and distributed systems
• Mentor engineers and support technical growth within the team
• Drive innovation in Machine Learning and AdTech technologies

Senior Machine Learning Engineer

Solutions Engineer

• Work with stakeholders and participate in solution discovery, initial design, and estimation
• Design scalable and maintainable architectures aligned with business goals
• Take ownership of key architectural decisions and ensure long-term sustainability
• Evaluate alternatives and document the rationale behind key architectural decisions
• Guide engineering teams and ensure implementation aligns with architectural vision
• Ensure implementation stays aligned with the architecture throughout all project iterations
• Design solutions involving integrations, automation, and data flows, including AI components where appropriate
• Ensure that AI usage is practical, controlled, and aligned with system constraints
• Ensure scalability, performance, and reliability under growing load and complexity
• Define measurable targets for quality attributes and track architecture fitness against them
• Create reference implementations and support teams in solving complex technical challenges
• Balance technical excellence with budget and schedule constraints, avoiding unnecessary over-engineering
• Build consensus with engineering teams and communicate architectural decisions constructively
• Ensure that solutions deliver measurable business value

Software Architect – IT Solution Department

• Design, develop, and maintain robust software applications using TypeScript/JavaScript, Node.js, NestJS, and React.js
• Implement new functionality from scratch, including role-based access control services, API integration services, and custom endpoints
• Work in an AI-augmented development environment, leveraging tools like Claude Code, Cursor, and Microsoft Copilot
• Collaborate closely with stakeholders to define, design, and deliver new features
• Ensure code quality, security, and performance through critical evaluation of AI-generated outputs
• Participate in SCRUM ceremonies and contribute to team planning, estimation, and retrospectives

Middle Full Stack Developer, Logistics Domain

• Design, develop, debug, document, and maintain embedded software components, drivers, and device-level functionality
• Develop firmware solutions for industrial pump systems and embedded devices
• Work within Embedded Linux and Zephyr RTOS environments
• Implement and maintain low-level hardware interaction and communication interfaces
• Analyze technical approaches and provide recommendations to the Customer and project team
• Debug and troubleshoot software issues on real embedded hardware
• Participate in software and hardware integration activities
• Collaborate with PMs, QA engineers, DevOps specialists, and embedded developers throughout the development lifecycle
• Identify and escalate technical risks, blockers, and architectural concerns when necessary

Embedded Linux Developer – Zephyr

• Design and implement a scalable event-driven communications platform
• Build highly reliable and fault-tolerant message delivery systems
• Manage large-scale real-time event processing pipelines
• Design and implement multi-channel delivery pipelines across email, SMS, voice, and push channels
• Handle compliance requirements, consent management, and communication policies
• Support emergency and high-priority notification workflows
• Implement provider failover and resiliency strategies to ensure delivery continuity
• Build tracking systems for delivery status, retries, and engagement events
• Design and implement observability, reporting, and analytics infrastructure
• Develop event processing and message orchestration workflows
• Implement provider integrations and external messaging service adapters
• Ensure system scalability, throughput, and performance under high load
• Collaborate with product and engineering teams on communication flows and requirements
• Contribute to architectural decisions and long-term platform evolution
• Ensure operational stability, reliability, and maintainability of the system

Senior Java Developer

Technical Project Manager

• Plan, manage, and monitor project execution to ensure delivery on time and within budget
• Drive end-to-end project lifecycle management using appropriate delivery methodologies and best practices
• Lead cross-functional transformation initiatives involving multiple business units and internal teams
• Align business and technology stakeholders around project goals, priorities, and expected outcomes
• Identify opportunities for process optimization, automation, and operational efficiency improvements
• Promote and support the adoption of AI-driven approaches within project delivery and workflows
• Perform risk analysis and proactively manage delivery risks and dependencies
• Monitor project KPIs and implement corrective actions when needed
• Ensure transparent communication and structured project documentation
• Coordinate and support delivery teams, including onboarding and professional growth activities
• Contribute to the continuous improvement of delivery processes and project management practices

Project Manager – Digital Transformation

Data Engineer

• Design, build, and evolve Data Warehouses, Data Marts, and enterprise data models to support analytics and business decision-making
• Design, implement, and optimize scalable ELT pipelines and data processing solutions, ensuring reliability, performance, and maintainability
• Drive technical decisions related to data architecture, platform evolution, data modeling approaches, and integration patterns
• Establish and maintain data governance practices, metadata standards, data lineage, security controls, and access management policies
• Ensure data quality, observability, monitoring, and operational excellence across the data platform
• Evaluate and introduce technologies, tools, and best practices that improve platform scalability, efficiency, and maintainability
• Support and enhance self-service analytics capabilities through Apache Superset and other BI solutions
• Collaborate closely with BI Engineers, Business Analysts, and business stakeholders to align data platform capabilities with organizational goals
• Mentor Data Engineers, conduct technical reviews, and promote engineering best practices across the team
• Apply AI-assisted engineering practices to improve development efficiency, delivery quality, and platform sustainability

Senior C++ Engineer, Desktop Applications

Junior JavaScript Developer

Senior Test Automation Engineer, Medical Systems

Senior Test Automation Engineer – Healthcare/Medical

Junior Full Stack Developer, Logistics Domain

Junior Full Stack Developer, Logistics Domain

Senior Full Stack Developer, Java, React

Senior Project Manager – AdTech

Senior Machine Learning Engineer

Software Architect – IT Solution Department

Middle Full Stack Developer, Logistics Domain

Embedded Linux Developer – Zephyr

Senior Java Developer

Project Manager – Digital Transformation

Senior Data Engineer