Sigma Software

Are you passionate about building innovative solutions and working with cutting-edge AI technologies? We are looking for a Middle Front-End Developer to join our fully remote team at Sigma Software. You will contribute to the development of advanced AI-powered documentation tools, helping shape the future of intelligent content creation.

At Sigma Software, we value innovation, ownership, and collaboration. This role offers the opportunity to work with global ICT leaders, integrating AI frameworks and agent-based solutions into high-quality front-end applications.

Why join us? You will work in a flexible, remote environment, participate in challenging projects, and enjoy a supportive culture with professional growth opportunities.

Customer

Our customer is a global leader in Information and Communication Technology (ICT), serving telecom service providers worldwide. They deliver cutting-edge products and services for mobile and fixed communication networks, radio systems, and transmission infrastructure. The company is recognized for driving innovation in connectivity and enabling next-generation communication solutions.

Project

The project focuses on developing intelligent documentation solutions powered by AI. Following a successful proof of concept, the current phase involves refining and validating content according to defined writing standards, with automated suggestions and corrections. The main scope centers on front-end development for AI-driven documentation tools, integrating advanced agent-based frameworks and orchestration systems to enhance usability and efficiency.

Key Technologies: React (TypeScript, Vite), Python, LangChain, LangGraph, Aegra, Kiro-CLI, Docker

Responsibility

• Participate in research and development activities for AI-driven documentation solutions
• Take ownership of features from concept to implementation, including front-end development, AI components, and service integrations
• Develop and maintain front-end applications using React (TypeScript, Vite preferred)
• Work with agent-based AI solutions and orchestration frameworks
• Collaborate closely with cross-functional teams, including AI engineers, product managers, and designers
• Attend and actively participate in Agile ceremonies: stand-ups, refinement sessions, sprint planning, and demos

• Ensure high-quality code, maintainability, and adherence to project standards

   

Requirements

• 3+ years of development experience
• Proven experience in front-end development with React (TypeScript, Vite preferred)
• Experience with AI orchestration frameworks and agent-based systems (e.g., LangChain, LangGraph, Aegra)
• Experience with Docker and containerization for deployment
• Track record in AI development and integration with third-party services
• Strong understanding of Agile methodologies and collaborative workflows

• At least Intermediate level of English

   

Will be a plus

• Knowledge of Python for back-end tasks
• Experience with coding agents such as Kiro-CLI (Amazon Q)
• Experience working in fully remote Agile teams
• Proactive attitude with strong ownership and initiative
• Additional AI-related tools or frameworks beyond those listed

Customer

Our customer is an international technology company specializing in high‑load platforms for data processing and analytics. Their flagship product enables businesses to manage vast volumes of data, build predictive models, and extract actionable insights. Operating globally, they serve clients in the marketing and advertising domain, leveraging cutting-edge technologies, microservices architecture, and cloud‑based solutions to deliver scalable and innovative AdTech systems.

Project

The project focuses on enhancing a data-driven AdTech platform that processes large datasets to optimize marketing campaigns and audience targeting. It integrates advanced analytics, machine learning models, and BI frameworks to deliver measurable business impact. The team works in an agile environment, collaborating closely with Data Scientists, Product Managers, and stakeholders to ensure continuous improvement and innovation in product features.

Key Technologies: Python, Databricks, PySpark, Confluence, Matplotlib.

Requirements

• 2–4 years of experience in solving business problems through actionable insights
• Solid experience with Python and SQL
• Proven track record in delivering analytics projects using EDA and data analysis tools
• Experience defining BI frameworks and working with large datasets
• Exceptional attention to detail and ability to prioritize workload
• Strong organizational skills and ability to manage multiple priorities
• Comfortable working within an agile framework
• Excellent written and verbal communication skills
• Bachelor’s or Master’s degree in engineering or MBA

WILL BE A PLUS:

• Experience with Databricks and PySpark
• Familiarity with AdTech domain
• Understanding of cloud-based solutions

Responsibilities

• Collaborate with Data Scientists to design and refine product features powered by analytics
• Analyze complex datasets to identify trends, anomalies, and opportunities for optimization
• Translate business needs into actionable analytical tasks and solutions
• Support feature launches through testing, feedback gathering, and performance monitoring
• Evaluate feature usage and assess their business impact
• Acquire domain expertise in AdTech to propose enhancements and new ideas
• Participate in data science initiatives, contributing to research and innovation efforts

Customer

Our customer is a leading Swedish telecommunications company, recognized for delivering innovative large-scale technology solutions across complex infrastructure environments. Sweden’s telecom sector is known for its advanced networks, high-speed connectivity, and pioneering role in 5G development. The company operates internationally, serving millions of users and partnering with global technology leaders to drive digital transformation.

Project

We are developing a centralized portal to streamline and automate product documentation creation and management. This platform serves as a unified service, enabling teams to generate, organize, and maintain comprehensive documentation libraries with ease. By combining document management with process automation, it improves operational efficiency and minimizes human error throughout the documentation lifecycle.

Key Technologies: Python (Django), AngularJS, Kubernetes, CI/CD, Jenkins

Requirements

• 2+ years of experience working with Python
• Experience with CI/CD pipelines and related tools
• Understanding of backend development principles and RESTful APIs
• Front-end development experience, including component-based architecture
• Knowledge of relational databases and data modeling concepts
• Familiarity with testing practices for both frontend and backend applications
• Basic understanding of cloud environments and deployment processes
• Strong Intermediate (B2) level of English or higher

WILL BE A PLUS:

• Experience with AngularJS
• Knowledge of JavaScript and TypeScript

Responsibilities

• Contribute to technical solutions and write maintainable, high-quality code
• Develop new features and components, assist with refactoring, debugging, and software maintenance
• Participate in peer code reviews and follow established engineering practices
• Perform unit and integration testing to ensure software reliability
• Assist in analyzing requirements and preparing feature designs
• Create and maintain technical documentation
• Join conference calls and meetings with the Customer when required
• Be an active member of the SAFe Agile team, participating in estimation, grooming, and planning sessions

Do you enjoy turning complex datasets into clear, actionable insights that drive strategic decisions? Sigma Software provides high-quality services in software development, graphic design, testing, and support. Our solutions deliver value across diverse industries, including automotive, telecommunications, aviation, advertising, gaming, banking, real estate, healthcare, and others.

We are looking for a Senior Business Data Analyst with strong Business Analysis expertise to join an internal company project. This is a hybrid-friendly role with flexibility for remote work. In this role, you will contribute to the evolution of our Data Platform, helping transform raw data into meaningful insights and analytical products.

You will work at the intersection of data analytics, business analysis, and product thinking, collaborating closely with stakeholders to understand business needs, define analytical requirements, and deliver dashboards and insights that support strategic decision-making. This role is ideal for someone who enjoys working with data, building dashboards, exploring patterns, and translating business questions into analytical solutions.

Why join us? You will be part of a collaborative environment with cutting-edge tools, professional growth opportunities, and a culture that values innovation and ownership.

Responsibilities:
 

• Work closely with stakeholders to understand business questions and translate them into analytical requirements
• Explore datasets and identify trends, anomalies, and opportunities for improvement
• Design and build dashboards and analytical reports using Apache Superset, Power BI, or Tableau
• Create prototypes of analytical reports and visualizations to validate ideas before development
• Collaborate with Data Engineers to define data requirements and improve data structures
• Contribute to the evolution of the Data Platform and reporting ecosystem
• Help stakeholders interpret data and make informed decisions
• Facilitate discussions around metrics, KPIs, and data quality
• Prepare documentation and conduct demo sessions for stakeholders

Requirements:
 

• 4–5+ years of professional experience as a Data Analyst or Business/Data Analyst
• SQL skills and experience working with complex datasets
• Practical experience with BI tools (Superset, Power BI, Tableau)
• Experience building analytical dashboards and reports
• Understanding of data modeling principles
• Experience working with data warehouses or analytical data platforms
• Strong analytical and problem-solving skills
• Experience analyzing business processes and documenting requirements and solution designs
• Experience working in Agile environments (Scrum)
• Upper-Intermediate level of English

Will be a plus:

• Experience participating in DWH / analytical layer development
• Ability to independently create dashboard prototypes or analytical POCs
• Experience translating business problems into data-driven insights

Personal Profile:

• Strong analytical mindset and curiosity
• Ability to bridge business questions and data solutions
• Proactive approach to problem-solving
• Ability to communicate complex insights in a clear and structured way
• Comfortable working with uncertainty and evolving requirements

Company Description

Are you a seasoned engineer passionate about building scalable, high-performance systems? This Senior-level role offers the opportunity to work remotely with talented teams across Europe, Ukraine, and LATAM.

At Sigma Software, we deliver cutting-edge solutions for global customers, combining technical excellence with a service-minded approach. In this role, you will join a distributed team to architect and evolve an advanced Ads platform, contributing to both innovation and stability.

Why join us? You will work on complex, high-impact systems, collaborate with international experts, and enjoy the freedom to shape architecture and technical patterns that drive long-term success.

CUSTOMER

We partner with a leading company in the AdTech space, delivering high-performance, scalable solutions that empower advertisers to manage campaigns, optimize targeting, and analyze results in real time. The Customer values innovation, reliability, and long-term collaboration, and operates globally with distributed teams in Europe, LATAM, and other regions.

PROJECT

The project focuses on building and evolving core systems for an advanced Ads platform integrated into a product for the interior decor industry. This product enables users to preview and visualize home items before purchase, enhancing shopping experiences both online and in-store.

Job Description

• Design, develop, and maintain APIs and services supporting ad campaign management, targeting, delivery, attribution, and reporting
• Architect scalable, reliable, and high-performance distributed systems
• Optimize systems for high-throughput and low-latency event/data processing
• Drive architectural decisions and establish development patterns
• Collaborate with distributed teams to ensure seamless integration and delivery
• Mentor and guide other engineers, fostering technical excellence

• Ensure code quality, maintainability, and alignment with long-term product goals

   

Qualifications

• At least 5 years of commercial experience in building scalable, high-performance systems
• Hands-on experience with AdTech solutions such as DSP, SSP, ad exchange, prebid, Google Ad Manager, or openRTB
• Strong proficiency in Python, preferably with the Django framework
• Solid knowledge of computer science fundamentals, including data structures, algorithms, and distributed systems
• Good understanding of distributed system architecture with a focus on data availability, reliability, and performance
• Practical experience with Kubernetes, PostgreSQL, and AWS

• Upper-Intermediate level of English

   

WILL BE A PLUS

• Experience with dbt and Redshift

• Familiarity with interior decor industry solutions

   

Additional Information

PERSONAL PROFILE

• Attention to detail and quality
• Excellent communication skills
• Leadership mindset, proactiveness

We are seeking a highly skilled Node.js expert, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance.

Customer:

Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.

Requirements:

• Over 5 years of experience in Back-end software development
• At least 3 years of experience with TypeScript
• Over 4 years of experience working with Node.js
• Strong experience in designing distributed and secure systems
• Good Front-end development skills
• Good understanding of microservices architectures
• Experience in designing, building, and maintaining APIs
• Experience in building and consuming REST and/or GraphQL APIs
• Familiarity with DevOps practices
• Strong experience working with AWS
• Good knowledge of testing best practices
• At least an Upper-Intermediate level of English

Responsibilities:

• Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on React and Node.js
• Keep consistently high level of quality throughout all stages of the development
• Communicate effectively to actively collaborate with the team and get context for complex tasks
• Follow best engineering practices and company and client guidelines
• Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
• Promote clean code and design patterns and principles

Are you passionate about building impactful digital solutions and working with cutting-edge technologies? We are looking for a Junior Full Stack Developer to join our team and contribute to an exciting telecom infrastructure project.

CUSTOMER

Our customer is a leading Swedish telecommunications company, recognized for delivering innovative large-scale technology solutions across complex infrastructure environments. Sweden’s telecom sector is known for its advanced networks, high-speed connectivity, and pioneering role in 5G development. The company operates internationally, serving millions of users and partnering with global technology leaders to drive digital transformation.

PROJECT

The project involves developing a centralized portal that serves as a single source of truth for software components and their relationships with hardware systems. It ensures transparency in software-hardware dependencies and enables compatibility analysis across different component versions.

Key Technologies: Python (Django), AngularJS, Kubernetes, CI/CD, Jenkins

Job Description

• Contribute to technical solutions and write maintainable, high-quality code
• Develop new features and components, assist with refactoring, debugging, and software maintenance
• Participate in peer code reviews and follow established engineering practices
• Perform unit and integration testing to ensure software reliability
• Assist in analyzing requirements and preparing feature designs
• Create and maintain technical documentation
• Join conference calls and meetings with the Customer when required
• Be an active member of the SAFe Agile team, participating in estimation, grooming, and planning sessions

Qualifications

• 2+ years of experience working with Python
• Solid knowledge of JavaScript and TypeScript
• Experience with CI/CD pipelines and related tools
• Hands-on experience with Kubernetes
• Understanding of backend development principles and RESTful APIs
• Front-end development experience, including component-based architecture
• Knowledge of relational databases and data modeling concepts
• Familiarity with testing practices for both frontend and backend applications
• Basic understanding of cloud environments and deployment processes

• Strong Intermediate (B2) level of English or higher

   

WILL BE A PLUS:

• Experience with AngularJS

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Possibility to meet clients annually in Europe
• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Чи захоплюєтесь ви створенням масштабної хмарної інфраструктури даних, яка має реальний вплив? Ми шукаємо Senior Data Engineer, який приєднається до нашої команди та працюватиме над важливим проєктом у сфері медичних технологій. Ця роль передбачає віддалений формат роботи з можливістю співпрацювати з міжнародними командами.

У Sigma Software ми створюємо інноваційні ІТ-рішення для глобальних клієнтів у різних галузях і пишаємося проєктами, які покращують життя людей. Приєднавшись до нас, ви працюватимете з передовими технологіями, робитимете внесок у значущі ініціативи та розвиватиметеся в підтримуючому середовищі.

Клієнт:
Наш клієнт — провідна компанія у сфері медичних технологій. Її портфель продуктів, сервісів та рішень знаходиться в центрі процесів клінічного прийняття рішень і побудови шляхів лікування. Інновації, орієнтовані на пацієнтів, завжди були і залишаються основою діяльності компанії. Клієнт прагне покращувати результати лікування та досвід пацієнтів незалежно від того, де вони живуть і з якими викликами стикаються. Компанія інноваційно розвивається, щоб забезпечити доступ до медицини для кожного, всюди.

Проєкт:
Проєкт зосереджений на створенні та підтримці масштабної хмарної інфраструктури даних для медичних застосунків. Він включає проєктування ефективних data pipelines, створення self-service інструментів та реалізацію мікросервісів для спрощення складних процесів. Робота безпосередньо впливатиме на те, як медичні установи отримують доступ до критично важливих медичних даних, обробляють їх та аналізують, що зрештою покращує якість медичної допомоги пацієнтам.

 

Обов'язки: 

• Співпрацювати з Product Owner та технічними лідами для визначення та проєктування ефективних pipelines і схем даних
• Будувати та підтримувати інфраструктуру для хмарних платформ за допомогою Terraform
• Проєктувати та впроваджувати масштабну хмарну інфраструктуру даних, self-service інструменти та мікросервіси
• Працювати з великими наборами даних для оптимізації продуктивності та забезпечення безперебійної інтеграції даних
• Розробляти та підтримувати архітектури даних і pipelines для команди відповідно до принципів ETL та Data Lake
• Виявляти, аналізувати та впорядковувати різнорідні джерела даних у зрозумілі та чисті схеми

Вимоги:

• Можливість раз на рік зустрічатися з клієнтами в Європі
• Практичний досвід роботи з хмарними сервісами для даних та аналітики
• Досвід data modeling, reporting tools, data governance та data warehousing
• Впевнене володіння Python і PySpark для розподіленої обробки даних
• Досвід роботи з Azure, Snowflake та Databricks
• Досвід роботи з Docker та Kubernetes
• Знання infrastructure as code (Terraform)
• Просунуті навички SQL та знайомство з big data базами даних, такими як Snowflake, Redshift тощо
• Досвід роботи зі stream processing технологіями, такими як Kafka, Spark Structured Streaming
• Рівень англійської не нижче Upper-Intermediate

Are you passionate about building large-scale cloud data infrastructure that makes a real difference? We are looking for a Senior Data Engineer to join our team and work on an impactful healthcare technology project. This role offers a remote work format with the flexibility to collaborate across international teams.

At Sigma Software, we deliver innovative IT solutions to global clients in multiple industries, and we take pride in projects that improve lives. Joining us means working with cutting-edge technologies, contributing to meaningful initiatives, and growing in a supportive environment.

CUSTOMER
Our client is a leading medical technology company. Its portfolio of products, services, and solutions is at the center of clinical decision-making and treatment pathways. Patient-centered innovation has always been, and will always be, at the core of the company. The client is committed to improving patient outcomes and experiences, regardless of where patients live or what they face. The Customer is innovating sustainably to provide healthcare for everyone, everywhere. 

PROJECT
The project focuses on building and maintaining large-scale cloud-based data infrastructure for healthcare applications. It involves designing efficient data pipelines, creating self-service tools, and implementing microservices to simplify complex processes. The work will directly impact how healthcare providers access, process, and analyze critical medical data, ultimately improving patient care.

Responsibilities:

• Collaborate with the Product Owner and team leads to define and design efficient pipelines and data schemas
• Build and maintain infrastructure using Terraform for cloud platforms
• Design and implement large-scale cloud data infrastructure, self-service tooling, and microservices
• Work with large datasets to optimize performance and ensure seamless data integration
• Develop and maintain squad-specific data architectures and pipelines following ETL and Data Lake principles
• Discover, analyze, and organize disparate data sources into clean, understandable schemas

Requirements:

• Hands-on experience with cloud computing services in data and analytics
• Experience with data modeling, reporting tools, data governance, and data warehousing
• Proficiency in Python and PySpark for distributed data processing
• Experience with Azure, Snowflake, and Databricks
• Experience with Docker and Kubernetes
• Knowledge of infrastructure as code (Terraform)
• Advanced SQL skills and familiarity with big data databases such as Snowflake, Redshift, etc.
• Experience with stream processing technologies such as Kafka, Spark Structured Streaming
• At least an Upper-Intermediate level of English 

Are you ready to take architectural ownership of a cutting-edge cloud-based payroll and HR SaaS platform? We are looking for a Senior-level Principal Software Engineer (.NET) to join our distributed team and drive technical excellence in a high-impact product used by small businesses and accounting firms across North America.

We at Sigma Software have been collaborating with our Customer for 3 years, delivering solutions that save time, reduce compliance risks, and improve operational efficiency.

Why join us? You will work with modern technologies, influence architecture, mentor engineers, and explore AI-driven development tools, all while contributing to a product that makes a real difference.

Customer

Our Customer is a provider of payroll and HR solutions for small businesses and accounting firms across North America. They focus on simplifying payroll processing, ensuring tax compliance, and improving operational efficiency through seamless integrations with accounting systems.

Project

The project is a cloud-based payroll and HR SaaS platform designed to streamline payroll processing, tax filing, and employee management. It leverages distributed systems, microservices architecture, and scalable cloud infrastructure hosted on Azure. AI-driven development tools are actively used to boost productivity and code quality.

Key Technologies: .NET Core, EF, MSSQL, Redis, Azure Table Storage, xUnit

Requirements

• 7–8+ years professional experience with .NET Framework and C#/.NET Core
• 2–3+ years in principal, architect, or senior technical leadership roles
• Expert knowledge of ASP.NET, microservices architecture, RESTful API design
• Experience with AI-assisted development beyond code generation
• Knowledge of frontend frameworks (React or Angular)
• Strong expertise in relational (SQL Server) and NoSQL databases
• Deep understanding of software architecture, design patterns, clean coding standards
• Expertise in performance optimization and security best practices
• Proficiency with cloud platforms (Azure, AWS, GCP)
• Experience with AI code generation tools (Cursor or similar)
• Proficiency with Infrastructure as Code tools (Terraform, CloudFormation)
• Experience with containerization (Docker, Kubernetes)
• CI/CD pipeline setup and automated testing frameworks
• Excellent communication skills for both technical and non-technical audiences

Will be a plus

• Familiarity with payroll or HR SaaS domain
• Contributions to open-source projects in .NET ecosystem

Personal Profile

• Strategic thinker with strong architectural vision
• Hands-on leader who enjoys mentoring
• Comfortable working in distributed teams
• Proactive in adopting emerging technologies

Responsibilities

• Lead the complete development lifecycle for new features from design to deployment
• Design and implement distributed systems and microservices architecture
• Set up, deploy, and manage scalable cloud infrastructure with automation
• Ensure service performance meets SLA requirements through proactive monitoring
• Drive architecture discussions and document designs aligned with business goals
• Research and advocate for AI-driven development tools
• Influence technology strategy and drive innovative practices

We are looking for a skilled Embedded Engineer to join our growing team and support customers in delivering IoT-driven solutions. As our Embedded department continues to expand, we are seeking professionals with strong analytical thinking and solid technical expertise.

In this role, you will collaborate with a team of experienced Embedded Engineers to design and implement high-quality solutions that address real-world challenges. This role suggests working with embedded systems, cloud connectivity, and modern communication technologies.

If you’re a motivated Embedded Developer ready to take the next step in your career, we would be excited to collaborate with you!

Requirements

• 4+ years of experience with C
• Experience with cloud connectivity applications, including monitoring and Firmware-Over-the-Air (FOTA) solutions
• Strong background in communication technologies such as LTE, BLE, OpenThread, MQTT, and cybersecurity
• Practical experience with Yocto Linux
• Practical experience with RTOS
• Experience in debugging and troubleshooting embedded systems, including software debugging on real devices (using J-Link, ST-Link) and resolving system-level issues
• Upper-Intermediate level of English

WOULD BE A PLUS:

• Hardware knowledge
• Experience with Docker, GitLab, and Jira

Responsibilities

• Design separate components, modules, classes, devices
• Code, debug, document, and maintain portions of software and hardware
• Perform different types of testing
• Participate in estimation and planning sessions
• Contribute to the development of technical project documentation and user documentation
• Provide assistance to test engineers and support personnel in solving technical issues of software installation and its operation
• Participate in conference calls and face-to-face meetings with the Customer and Customer partners
• Comply with the best engineering practices, technical standards, and quality criteria set forth on the project
• Report status and progress according to the project and company demands
• Spot current deficiencies in the development process, adopted procedures, and engineering practices, environment configurations, etc., and suggest improvements
• Escalate technical issues to the Architect, Team Lead, and Project Manager

Are you passionate about making the internet a safer place? We are looking for a Middle Security Operations Researcher to join our team and help protect enterprise clients from harmful bots and online threats. This is a remote, full-time role that offers the opportunity to work directly with global customers, analyzing traffic patterns and neutralizing malicious activity.

At Sigma Software, we value expertise, ownership, and proactive communication. You will collaborate with a diverse international team while enjoying the flexibility of working from anywhere.

Why join us? You will work on impactful cybersecurity projects, gain exposure to cutting-edge analytics tools, and contribute to safeguarding digital ecosystems worldwide.

CUSTOMER
Our customer is a global provider of comprehensive security solutions, protecting individuals, organizations, and communities from a wide range of risks, particularly in the digital space. Their enterprise-focused products specialize in bot defense and invalid traffic detection, helping clients safeguard critical systems and maintain operational integrity.

PROJECT
The project focuses on real-time threat detection and bot mitigation for enterprise-scale clients. Security Operations Researchers collaborate directly with customers, leveraging advanced analytics platforms to identify malicious traffic patterns and neutralize online threats. This dynamic environment requires both technical expertise and strong communication skills.

JOB DESCRIPTION:

• Provide Tier 2 technical support to customers in real time, delivering clear and professional responses
• Analyze logs, graphs, and dashboards, isolating and investigating data using tools like Kibana
• Manage and organize cases, tickets, and requests in Salesforce
• Perform back-office tasks, including writing and maintaining suspicious field expressions
• Write and optimize SQL queries for data retrieval, analysis, and manipulation in BigQuery
• Communicate with global customers, ensuring timely responses and effective issue resolution
• Work in a shift-based schedule, including weekend shifts

QUALIFICATION:

• 2+ years of experience in data analysis, including working with logs and dashboards
• Experience working with web traffic data, including HTTP traffic, logs, request analysis, and traffic pattern investigation
• Strong SQL skills: Common Table Expressions (CTE), aggregations, GROUP BY, ORDER BY, filters, window functions (e.g., RANK()), and subqueries
• Experience with SIEM systems. Nice to have: experience with the Elastic Stack
• Technical understanding of web technologies and client–server architecture (APIs, HTTP, basic HTML/JavaScript)
• Strong troubleshooting and problem-solving skills
• Experience in customer support, including direct communication with clients; professionalism and politeness are essential

• Strong English communication skills

   

WILL BE A PLUS:

• Experience in a Cybersecurity Analyst/Researcher role, ideally supporting external customers in threat detection and response
• Experience in web security and security research: web application security, bot management, fraud detection
• Basic Python skills
• Experience with Kibana

PERSONAL PROFILE:

• High level of responsibility and ownership
• Ability to work independently with minimal supervision
• Planning and decision-making skills with considerations for multiple integrated systems
• Proactive communicator who keeps stakeholders informed without being prompted

Work schedule: 40 hours per week, 5 days per week. Workdays can be adjusted to start earlier or later, including weekends if necessary.

Sigma Software provides high-quality services in software development, graphic design, testing, and support. Our solutions deliver value across diverse industries, including automotive, telecommunications, aviation, advertising, gaming, banking, real estate, healthcare, and others.

We are seeking a qualified Senior Business Analyst / Proxy Product Owner with extensive experience in data-driven projects of varying complexity, ideally with a strong background in Data Warehouse (DWH) development and BI reporting to join an internal company project.

In this role, you will play a key part in strengthening our Data Platform, enhancing data quality, and driving strategic initiatives through effective requirement gathering, in-depth problem analysis, and close collaboration with both internal and external stakeholders. This position combines classic business analysis with hands-on work involving data, dashboards, and analytical tools.

Responsibilities:

• Collaborate closely with stakeholders to gather, refine, and prioritize business requirements aligned with strategic objectives
• Work closely with product owners, development teams, QA engineers, and designers to ensure clear understanding and implementation of business requirements
• Analyze existing business processes and systems to identify areas for improvement and propose innovative solutions
• Create detailed documentation including process flows, user stories, and other artifacts to effectively communicate requirements and solution designs
• Critically evaluate information gathered from multiple sources, reconcile conflicts, decompose high-level information into details, abstract up from low-level information to a general understanding, and distinguish user requests from underlying real needs
• Develop and maintain BI dashboards and regular analytical reports using Apache Superset, and occasionally Power BI, Tableau
• Create report prototypes and analytical visualizations independently when needed
• Contribute to the automation, standardization, and optimization of reporting processes
• Conduct demo sessions for stakeholders and prepare user documentation to facilitate adoption of delivered solutions

Requirements:

• 3–4 years of professional experience as a Business Analyst working on data-intensive projects involving BI solutions, reporting, and data platform development
• Confident SQL skills and a solid understanding of data modeling principles
• Practical experience with BI tools (Superset, Power BI, preferably Tableau)
• Experience in building and presenting dashboards
• Strong understanding of iterative ways of working, especially Scrum
• Upper-Intermediate level of English

Will be a plus:

• Experience participating in the end-to-end development of a Data Warehouse / SSA layer from scratch
• Experience building BI prototypes or POCs independently before involving developers

Personal profile:

• A proactive mindset and the ability to dive deep into complex business problems
• Proven problem-solving and conflict resolution skills
• Strong results-oriented mindset
• Excellent communication skills, both written and verbal

Join Sigma Software and become part of a team where innovation meets impact. We are looking for a Middle Product Analyst to work remotely from Ukraine or Europe, contributing to cutting-edge AdTech solutions.

You will collaborate with skilled professionals in an agile environment, where your expertise will help shape products that drive measurable business results.

Customer

Our customer is an international technology company specializing in high‑load platforms for data processing and analytics. Their flagship product enables businesses to manage vast volumes of data, build predictive models, and extract actionable insights. Operating globally, they serve clients in the marketing and advertising domain, leveraging cutting-edge technologies, microservices architecture, and cloud‑based solutions to deliver scalable and innovative AdTech systems.

Project

The project focuses on enhancing a data-driven AdTech platform that processes large datasets to optimize marketing campaigns and audience targeting. It integrates advanced analytics, machine learning models, and BI frameworks to deliver measurable business impact. The team works in an agile environment, collaborating closely with Data Scientists, Product Managers, and stakeholders to ensure continuous improvement and innovation in product features.

Key Technologies: Python, Databricks, PySpark, Confluence, Matplotlib

Responsibilities

• Collaborate with Data Scientists to design and refine product features powered by analytics
• Analyze complex datasets to identify trends, anomalies, and opportunities for optimization
• Translate business needs into actionable analytical tasks and solutions
• Support feature launches through testing, feedback gathering, and performance monitoring
• Evaluate feature usage and assess their business impact
• Acquire domain expertise in AdTech to propose enhancements and new ideas
• Participate in data science initiatives, contributing to research and innovation efforts

Requirements

• 2–4 years of experience in solving business problems and delivering actionable insights
• Good knowledge of Python and SQL
• Proven track record in delivering analytics projects using EDA and data analysis tools
• Experience with large datasets and ensuring data integrity
• Proficiency in data visualization tools (Tableau, Power BI, or similar)
• Experience working within Agile frameworks and collaborating with cross-functional teams
• Excellent time management and prioritization skills
• Upper-Intermediate level of English or higher

• Bachelor’s or Master’s degree in engineering or MBA

   

WILL BE A PLUS:

• Experience with Databricks and PySpark
• Familiarity with AdTech domain
• Understanding of cloud-based solutions

Are you passionate about building intelligent systems that transform industries? We are looking for Software Engineer to join our team and work on cutting-edge AI-powered solutions in the logistics domain.

This is a remote position, offering flexibility and the opportunity to collaborate with international teams. We at Sigma Software value innovation, quality, and teamwork, and provide our specialists with challenging projects and professional growth opportunities.

Why join us? You will work on impactful AI-driven products, gain exposure to advanced technologies, and be part of a company that supports continuous learning and career development.

CUSTOMER

Our customer is one of Europe’s leading logistics providers, headquartered in Germany. They specialize in developing and implementing integrated supply chain systems, leveraging advanced data analytics to optimize logistics operations. Recognized for innovation and efficiency, they deliver solutions that enhance operational performance across diverse industries.

PROJECT

The project focuses on developing advanced data products, including an AI assistant capable of performing analysis and providing insights based on user queries. The team is also building tools to support the client’s internal processes, integrating AI/ML models into production systems, and designing AI-powered features such as chatbots and recommendation engines.

RESPONSIBILITIES:

• Design, develop, and maintain backend services using TypeScript/JavaScript and Node.js
• Integrate AI/ML models into production environments to support business processes
• Build and orchestrate AI pipelines that consume model outputs and deliver actionable insights
• Develop AI-powered features such as chatbots and recommendation engines
• Collaborate closely with cross-functional teams to ensure seamless integration of AI solutions into applications
• Participate in architectural discussions and contribute to solution design
• Ensure high-quality code through testing, reviews, and adherence to best practices

• Communicate effectively with stakeholders and team members to align on requirements and deliverables

   

REQUIREMENTS:

• 3–4 years of development experience with TypeScript/JavaScript technology stack
• Proven experience with Node.js and Python
• Hands-on experience integrating AI/ML models into production systems
• Experience building backend services that consume AI outputs and orchestrate AI pipelines
• Experience designing AI-powered features such as chatbots or recommendation engines
• Familiarity with integrating LLMs into applications
• Strong communication and multitasking skills
• Strong problem-solving and decision-making abilities with a focus on results

• Upper-Intermediate level of English

   

WILL BE A PLUS:

• Experience with React

   

PERSONAL PROFILE:

• Motivated, self-driven, and positive individual
• Strong communication skills
• Ability to multitask and manage priorities effectively
• Skilled in solving complex problems under tight deadlines
• Passionate about leveraging technology to deliver impactful results