Ajax Systems

Ajax Systems is an international technology company, the largest developer and manufacturer of security systems in Europe.

The startup, created in 2011 in Ukraine, scaled into an international product company. Ajax security systems protect more than 2.5 million users in 169 countries. The company works with 150,000 installers in key markets.

Ajax Systems has a central office, an R&D department, and two full-cycle productions in Ukraine; the representative offices in the UAE (Dubai), Great Britain, Italy, Spain, and teams in many other regions; and a logistics hub in Poland.

The company has more than 3,000 employees, including 500 development engineers and 1,200 production workers.

Ajax products are a whole ecosystem of 135 devices, mobile and desktop apps, and server infrastructure.

The product line includes control panels, motion detectors, opening detectors, flood prevention, fire detectors, street and home sirens, alarm buttons with the appliances control function, smart sockets, and relays.

Our infrastructure is a part of the product that is invisible to the end user, but critical to the life of the entire system. The safety of our users and their property depends on our uptime. We are constantly developing our cloud solutions and this requires automating our infrastructure, testing and improving its fault tolerance. For this purpose we are looking for Senior DevSecOps Engineer.
 

Requirements:

• 5+ years of experience with a strong interest in security or exposure to DevSecOps principles.
• 3+ years of experience with AWS common stack: VPC, EC2, S3, RDS, Elasticache, Route53, Lambda etc.
• 3+ years of experience with AWS security stack: CloudTrail, IAM, KMS, WAF, GuardDuty, Inspector, Macie etc.
• 3+ years of experience with managing Linux-based systems, TCP/IP networking.
• 3+ years of experience with IaC and config management tools such as Terraform, Terragrunt, Ansible.
• Experience with git, Docker, Github Actions, Jenkins etc.

• Interest in security best practices and a willingness to grow skills in securing DevOps processes.

   

Desirable:

• Experience in a DevSecOps role or a similar position.
• Understanding of regulatory requirements and industry standards(SOC2, ISO27001, PCI DSS etc).
• Certifications related to cloud security (e.g., AWS Security Specialty)
• Kubernetes (AWS EKS) + Helm.
• Message brokers: NATS, Kafka.
• Databases: MongoDB.
• Hashicorp tools: Vault, Packer.

• Monitoring/Alerting: Datadog, OpsGenie.

   

Responsibilities:

• Security-focused DevOps Practices: Apply secure configurations and best practices within the DevOps environment, aiming to make security a natural part of the development and deployment process.
• Vulnerability Awareness: Help identify and address vulnerabilities in software and infrastructure components, working collaboratively to mitigate risks.
• Security Incident Participation: Work with incident response teams on security issues, assisting as needed with investigations and documentation.
• Infrastructure Hardening: Support secure configurations of cloud infrastructure, with a focus on access management and basic data protection measures.
• Real-Time Monitoring Assistance: Assist with maintaining and improving security monitoring for quick detection and response to incidents.
• Tool Collaboration: Collaborate with the security team to evaluate and integrate tools that enhance DevOps security.
• Documentation and Process Integration: Help document security practices, policies, and procedures within DevOps workflows, integrating them smoothly with existing processes.

With us you will enjoy:

• Working with a team of people to build the future of an industry.
• Non-trivial challenges and various specter of interesting tasks.
• A flexible, friendly and collaborative work environment.
• Corporate culture based on common sense.
• Opportunities to influence the creation of new products and their quality.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Ajax already released and continuously improves Malevich OS, which is a heart of our Hub’s. Now we are looking for Embedded Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills: 
 

• Proven experience in developing embedded real-time applications for commercial products.
• Excellent knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems
• Strong skills in various build systems.
• Excellent knowledge of C programming language
• Experience in debugging and validating complex embedded systems and protocol stack
• Understanding of operating systems: embedded developers usually need experience in programming in embedded Linux or similar embedded operating systems
• Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.

Would be a plus:

• Experience with STM, Realtek MCU's
• Experience with programming RF modules and development low-energy wireless solutions.
• Scripting languages Python, Bash
• Commercial experience with specific real-time operating systems.
• Leading of software engineers teams.
• Ability to multitask effectively among different projects in a fast-paced environment
• Basic electronics: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging
• Experience in commercial IoT projects.

Responsibility zone: 

• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation
• Analysis and systematic problem solving for SW reported issues
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design
• Delivery highly reliable Malevich OS releases
• Work with high-level and technical requirements for research and development new features
• Participate in making design decision to develop high performance and reliable embedded systems
• Create unit and functional tests
• Be ready to mentoring of newcomers|trainee coworkers
• Be ready to lead a feature team of software engineers to achieve goals and challenges.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The team is distributed among 2 offices in Kyiv and Lviv, all technical and product decisions are made locally.

Ajax already released and continuously improves Malevich OS, which is a heart of our Hub’s. Now we are looking for  Embedded Radio Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.


Required skills:

• Proven experience in short range devices development for commercial products;
• Understanding wireless technologies (e.g. Wi-Fi, Bluetooth, Zigbee, LoRa, NB-IoT) and protocols stack;
• Work with RF tools to capture, transmit and analyze RF signals from/to radio broadcast. Vector network analyzer, signal generator, spectrum analyzer, software defined radio;
• Knowledge about circuit/block design of RF receiver/Transmitter, frequency synthesizer, mixers, digital signal processing, antennas arrays. Understand interferer and collision in RF, methodology of resolve conflicts in RF;
• Understands different modulation techniques (AM, FM, PM, ASK, FSK, PSK, QAM), understands emit RF spectrums depend of modulation, understands receiver sensitivity, budget of RF channel;

• Knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems.
   

  Would be a plus:

   

• Experience with ARM Cortex M (STM, Realtek, TI etc);
• Scripting languages Python, Bash;
• Commercial experience with specific real-time operating systems;
• Understanding regulatory of usage radio frequency;
• Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.

    Responsibility zone: 

• Participate in the full embedded software life cycle for RF solutions: choise, design, implementation, code reviews, documentation, testing and validation;
• Fine tune RF chips for best performance;
• Create test environment to validate quality gates for radio solutions;
• Analysis and systematic problem solving for reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from radio perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Be ready to mentoring of newcomers|trainee coworkers.

   With us you will enjoy:

• Working with a team to build an industry’s future;
• The opportunity to propose and implement own ideas that have an impact on the product and production;
• Work in a motivated team and zero bullshit culture;
• Non-trivial challenges and various range of interesting tasks;
• Competitive salary;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

     Ajax Systems is an international tech company and Europe’s largest developer and manufacturer of security systems with smart home features. Our ecosystem encompasses 135 devices, mobile and desktop apps, and server infrastructure. Our team and global user base grow exponentially each year. The company employs over 3,000 people, and Ajax detectors protect 2.5 million users across 187 countries.

       At the end of last year, we took a major step towards the future of our business. We introduced a network video recorder and three wired cameras — products in which video surveillance meets the highest security standards.

     Our cameras combine high-resolution video surveillance with an unprecedented level of privacy. They are equipped with built-in AI recognizing various objects, including people, vehicles, and pets.

We are looking for a new player to join our video team and contribute to developing these products with us.
 

Knowledge and skills required:
 

• strong technical background in embedded systems development, with experience as a Software Engineer or in a similar role;
• experience managing embedded/automotive/IoT projects as a TPM or similar roles;
• strong communication skills with the engineering team and senior leadership;
• problem-solving skills with a proactive and flexible mindset;
• ability to analyze risks and consider them in delivery;
• knowledge of various development methodologies (Waterfall, Scrum, Kanban);
• upper-intermediate level of written and spoken English or higher.
• bachelor’s degree in Computer Science, Engineering, or a related technical field.
   

Responsibilities:

• manage multiple development teams (software, hardware, mechanic, optics);
• ensuring complete transparency of projects (order in documentation, reports, tasks);
• coordinate work with related departments, such as other development teams, supply chain, production during product launch;
• planning and coordinating all project activities;
• preparing and organizing the necessary project documentationLeading and motivating the project team.
   

Will be a plus:
 

• experience working with cross-platform projects;
• knowledge of production processes and vendor relations;
• familiarity with video surveillance technologies and video processing basics.
   

We offer:
 

• the opportunity to share and implement your own ideas that could impact products and production
• work with a motivated team and an environment with a zero-bullshit culture
• competitive salary
• medical insurance
• corporate English classes
• compensation for professional training
• the chance to take part in beta testing of Ajax security systems — receive and test new devices before their release.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Not so long ago we released a new version of our Hub OS and named it Malevich, now we are looking for Lead Embedded Engineer who is ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills:
 

• Proven experience in developing embedded real-time applications for commercial products;
• Experience with different MCUs: STM32, Realtek;
• Excellent knowledge of embedded coding techniques, interfaces (e.g., SPI, I2C, UART, CAN, RS485), and subsystems;
• Knowledge of working with HW tools: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging;
• Strong skills in various build systems: Make, Cmake;
• Excellent knowledge of C programming language;
• Experience in debugging and validating complex embedded systems and protocol stack;
• Understanding of operating systems: embedded developers usually need experience in programming in embedded operating systems;
• Expertise in leading embedded software engineers teams;

• Ability to multitask effectively among different projects in a fast-paced environment.

   

  Would be a plus:

   

• Good hands-on experience in software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, and work item/issue tracking;
• Experience with programming RF modules and development of low-energy wireless solutions;
• Connectivity knowledge/experience: ethernet, wifi, lwIP, modems (simcom, Quectel);
• Possession of C preprocessor;
• Scripting languages Python, Bash;
• Interested in reverse engineering of embedded systems;
• Experience in commercial IoT projects.

Responsibility zone:

• Lead a feature team of embedded engineers to achieve goals and challenges;
• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation;
• Analysis and systematic problem solving for SW/HW reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Delivery new platforms support for Malevich OS;
• Work with high-level and technical requirements for research and development new features;
• Participate in making design decision to develop high performance and reliable embedded systems;
• Organization of stands development, needed to test platforms and track metrics (such as consumption, boot time etc);
• Be ready to mentoring of newcomers|trainee coworkers.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Join Ajax Systems, the leading manufacturer of cutting-edge Ajax wireless security systems with smart home capabilities. As a full-cycle company, we take pride in our ability to transform ideas into innovative products through development and mass production.

With a diverse range of 135+ devices, the Ajax line safeguards premises against burglary, fires, and floods while providing seamless control over electrical appliances. Our solutions have earned us Europe's highest security awards, solidifying our position as a trusted name in the industry.

Ajax is a Ukrainian success story, fueled by immense strength and boundless energy. We currently protect over 1,800,000 users in 170 countries worldwide. As our company continues to thrive, we are constantly seeking active individuals to join our team and contribute to our ongoing growth.

Right now, we have an exciting opportunity for a Support Engineer with a strong command of English.

As part of our dedicated support team, you will assist customers from all corners of the globe, providing round-the-clock assistance through various channels. We're proud of our ability to communicate in multiple languages, enabling us to promptly address and resolve user issues.

To excel in this role, we're seeking a passionate and talented Technical Support Engineer who can:

• Respond to customer inquiries promptly and professionally via phone, email, and live chat.
• Investigate and troubleshoot client issues related to our products and services, ensuring swift resolution.
• Escalate complex problems to the appropriate team when necessary.
• Document and track customer interactions and problems using our efficient customer relationship management system (CRM).

• Educate customers on the features and benefits of our outstanding products and services.

   

Key requirements for this role:

• Knowledge of the basics of physics and electrical engineering, empowering you to handle technical queries effectively.
• Intermediate or higher level of English proficiency
• Experience in customer communication, ensuring you understand their needs and can provide exceptional support.
• Familiarity with CRM systems (Jira, Confluence, etc.) is. a plus

• A degree in tech/engineering as a plus

   

In return for your dedication and contributions, we offer:

• Official employment with Diya City including ordering for mobilization
• Paid sick leaves
• 18 working days of vocations annually
• Medical insurance and free sport gym usage (Kyiv)
• Free English courses to further enhance your language skills.
• Reimbursement of professional training

• An Ajax security system kit, allowing you to experience the benefits of our state-of-the-art products first-hand.

   

If you are ready to join a forward-thinking company that values innovation and customer satisfaction, while offering a vibrant work environment, then apply now to become a part of our exceptional team at Ajax Systems. 

Ajax Systems is a global technology company and the leading developer and manufacturer of Ajax security systems with smart home capabilities in Europe. It encompasses a comprehensive ecosystem featuring 180 devices, mobile and desktop applications, and a robust server infrastructure. Each year, we experience substantial growth in both our workforce and our user base worldwide. Currently, the company employs over 4,100 individuals, while Ajax sensors safeguard 3.5 million users across more than 187 countries.

We are looking for a SAP BI Consultant to develop analytical solutions based on SAP SAC, SAP S/4HANA, or SAP Data Sphere.

The focus is on creating interactive dashboards, planning and forecasting, and integrating analytics into the company’s business processes.

The ideal candidate is an analyst with systemic thinking, a strong understanding of data, and the ability to translate business requirements into effective visual solutions, with experience working with the SAP BI toolset.

Key Responsibilities:

• Analytics Solution Development: Design and develop interactive dashboards, reports, and KPIs in SAP Analytics Cloud (SAC);
• Focus on visual design principles to create user-friendly and intuitive dashboards. Propose a design code guide to follow in the team;
• Utilize SAC capabilities, including planning, forecasting, and predictive analytics;
• Enable and optimize Embedded Analytics in SAP S/4HANA by consuming CDS Views.
• Data Integration and exploration: Integrate data from various sources (SAP and non-SAP systems, SQL databases, etc.) into SAC for unified analytics and reporting;
• Perform exploratory data analysis (EDA) to uncover patterns, validate data quality, and derive actionable insights.
• Business Collaboration: Work closely with business stakeholders to gather requirements, define KPIs, and translate business needs into technical solutions;
• Provide guidance on self-service analytics to empower business users and enhance BI adoption.
• Solution Optimization and Governance: Ensure SAC solutions align with data governance and performance best practices;
• Manage access controls, data security, and compliance across SAC deployments;
• Monitor and optimize dashboards for usability, performance, and scalability.
• Documentation and Knowledge Sharing: Document all solutions, models, data integrations, and reporting workflows to ensure transparency and maintainability;
• Create clear technical and user documentation to support stakeholders and end-users.
• Integration and Enablement: Collaborate with SAP Data Engineers to ensure data readiness from SAP S/4HANA and SAP Data Sphere;
• Integrate SAC with SAP back-end systems and other data sources for a unified
• Leadership and Support: Provide thought leadership on advanced SAC functionalities, trends, and best practices;
• Mentor team members and train end-users to maximize the value of SAC

Key Requirements:

• Over 3 years of experience working with SAP BI tools in the SAP S/4HANA environment, including planning, predictive analytics, and dashboard development.
• Hands-on experience with exploratory data analysis (EDA) across various data sources to identify patterns, insights, and data quality issues.
• Experience working with SQL-based databases for querying, validating, and processing data for analytical purposes.
• Strong understanding of data visualization best practices and performance optimization techniques.
• Excellent skills in gathering and transforming business requirements into technical analytical solutions.
• Well-developed communication skills and the ability to effectively collaborate with stakeholders, technical teams, and business units.
• Analytical mindset and ability to solve complex analytical challenges, supporting data-driven decision-making.
• Proven ability to work in cross-functional teams, coordinating with data engineers and IT representatives to ensure data readiness.

• Proactive, detail-oriented, and committed to delivering high-quality results.

   

We offer:

• Opportunity to build your own processes and best practices;
• A dynamic team working within a zero-bullshit culture;
• Working in a comfortable office at UNIT.City (Kyiv). The office is safe as it has a bomb shelter;
• Reimbursement for external training for professional development;
• Ajax's security system kit to use;
• Official employment with Diia City ;
• Medical Insurance;

• Flexible work schedule.

   

Ajax Systems is a Ukrainian success story, a place of incredible strength and energy.

Ajax Systems is an international technology company, the largest developer and manufacturer of security systems in Europe.

The startup, created in 2011 in Ukraine, scaled into an international product company. Ajax security systems protect more than 3.5 million users in 187 countries.

Ajax products are a whole ecosystem of 180 devices, mobile and desktop apps, and server infrastructure.

The product line includes control panels, motion detectors, opening detectors, flood prevention, fire detectors, street and home sirens, alarm buttons with the appliances control function, smart sockets, and relays.

Our infrastructure is a part of the product that is invisible to the end user, but critical to the life of the entire system. The safety of our users and their property depends on our uptime. We are constantly developing our cloud solutions and this requires automating our infrastructure, testing and improving its fault tolerance. For this purpose we are looking for Senior DevOps Engineer.
 

Requirements:

- 3+ years of experience with Kubernetes (AWS EKS).

- Experience with creating/managing a GitOps pipeline using ArgoCD.

- Experience with service mesh tools like Istio, LinkerD etc.

- 4+ years of experience with managing Linux-based systems, TCP/IP networking.

- 3+ years of experience with IaC and config management tools such as Terraform, Ansible.

- 3+ years of experience with AWS stack: VPC, IAM, EC2, RDS, Elasticache, Route53, Lambda etc.
 

Desirable:

- Hashicorp Vault in Kubernetes.

- Additional tools for Kubernetes: Karpenter, Calico, etc.

- Message brokers: NATS, Kafka.

- Databases: MongoDB, MySQL, PostgreSQL.

- Monitoring/Alerting: Datadog, Grafana, OpsGenie.

- Others: Terragrunt, JVM, Gradle.
 

Responsibilities:

Proactively participate in the platform development:

- manage Kubernetes;

- migrate from EC2 to Kubernetes;

- build new CI/CD pipelines based on Kubernetes;

- running applications in Kubernetes following security best practices;

- provide cost optimization plans;

- build proactive monitoring;

Provide technical leadership, coaching, and mentoring to:

- application development teams;

- junior DevOps teammates.

Availability is essential. Sometimes you will need to help with issues in production that are most critical (On-call duties).
 

With us you will enjoy:

- Working with a team of people to build the future of an industry.

- Non-trivial challenges and various spectre of interesting tasks.

- A flexible, friendly and collaborative work environment.

- Corporate culture based on common sense.

- Opportunities to influence the creation of new products and their quality.
 

We are working to ensure that people’s lives are calm and the world safe.

Let’s become a part of the team that creates a smart and useful global product!

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Not so long ago we released a new version of our Hub OS and named it Malevich, now we are looking for Lead Embedded Engineer who is ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills:
 

• Proven experience in developing embedded real-time applications for commercial products;
• Experience with different MCUs: STM32, Realtek;
• Excellent knowledge of embedded coding techniques, interfaces (e.g., SPI, I2C, UART, CAN, RS485), and subsystems;
• Knowledge of working with HW tools: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging;
• Strong skills in various build systems: Make, Cmake;
• Excellent knowledge of C programming language;
• Experience in debugging and validating complex embedded systems and protocol stack;
• Understanding of operating systems: embedded developers usually need experience in programming in embedded operating systems;
• Expertise in leading embedded software engineers teams;

• Ability to multitask effectively among different projects in a fast-paced environment.

   

  Would be a plus:

   

• Good hands-on experience in software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, and work item/issue tracking;
• Experience with programming RF modules and development of low-energy wireless solutions;
• Connectivity knowledge/experience: ethernet, wifi, lwIP, modems (simcom, Quectel);
• Possession of C preprocessor;
• Scripting languages Python, Bash;
• Interested in reverse engineering of embedded systems;
• Experience in commercial IoT projects.

Responsibility zone:

• Lead a feature team of embedded engineers to achieve goals and challenges;
• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation;
• Analysis and systematic problem solving for SW/HW reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Delivery new platforms support for Malevich OS;
• Work with high-level and technical requirements for research and development new features;
• Participate in making design decision to develop high performance and reliable embedded systems;
• Organization of stands development, needed to test platforms and track metrics (such as consumption, boot time etc);
• Be ready to mentoring of newcomers|trainee coworkers.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Not so long ago we released a new version of our Hub OS and named it Malevich, now we are looking for Lead Embedded Engineer who is ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills:
 

• Proven experience in developing embedded real-time applications for commercial products;
• Experience with different MCUs: STM32, Realtek;
• Excellent knowledge of embedded coding techniques, interfaces (e.g., SPI, I2C, UART, CAN, RS485), and subsystems;
• Knowledge of working with HW tools: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging;
• Strong skills in various build systems: Make, Cmake;
• Excellent knowledge of C programming language;
• Experience in debugging and validating complex embedded systems and protocol stack;
• Understanding of operating systems: embedded developers usually need experience in programming in embedded operating systems;
• Expertise in leading embedded software engineers teams;

• Ability to multitask effectively among different projects in a fast-paced environment.

   

  Would be a plus:

   

• Good hands-on experience in software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, and work item/issue tracking;
• Experience with programming RF modules and development of low-energy wireless solutions;
• Connectivity knowledge/experience: ethernet, wifi, lwIP, modems (simcom, Quectel);
• Possession of C preprocessor;
• Scripting languages Python, Bash;
• Interested in reverse engineering of embedded systems;
• Experience in commercial IoT projects.

Responsibility zone:

• Lead a feature team of embedded engineers to achieve goals and challenges;
• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation;
• Analysis and systematic problem solving for SW/HW reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Delivery new platforms support for Malevich OS;
• Work with high-level and technical requirements for research and development new features;
• Participate in making design decision to develop high performance and reliable embedded systems;
• Organization of stands development, needed to test platforms and track metrics (such as consumption, boot time etc);
• Be ready to mentoring of newcomers|trainee coworkers.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally.

Not so long ago we released a new version of our Hub OS and named it Malevich, now we are looking for Lead Embedded Engineer who is ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler.

Required skills:
 

• Proven experience in developing embedded real-time applications for commercial products;
• Experience with different MCUs: STM32, Realtek;
• Excellent knowledge of embedded coding techniques, interfaces (e.g., SPI, I2C, UART, CAN, RS485), and subsystems;
• Knowledge of working with HW tools: embedded engineers use oscilloscopes, logic analyzers, and multimeters for debugging;
• Strong skills in various build systems: Make, Cmake;
• Excellent knowledge of C programming language;
• Experience in debugging and validating complex embedded systems and protocol stack;
• Understanding of operating systems: embedded developers usually need experience in programming in embedded operating systems;
• Expertise in leading embedded software engineers teams;

• Ability to multitask effectively among different projects in a fast-paced environment.

   

  Would be a plus:

   

• Good hands-on experience in software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, and work item/issue tracking;
• Experience with programming RF modules and development of low-energy wireless solutions;
• Connectivity knowledge/experience: ethernet, wifi, lwIP, modems (simcom, Quectel);
• Possession of C preprocessor;
• Scripting languages Python, Bash;
• Interested in reverse engineering of embedded systems;
• Experience in commercial IoT projects.

Responsibility zone:

• Lead a feature team of embedded engineers to achieve goals and challenges;
• Participate in the full embedded software life cycle: design, implementation, code reviews, documentation, testing and validation;
• Analysis and systematic problem solving for SW/HW reported issues;
• Cooperate with electrical engineers to perform verification of new hardware from software team perspective. Review and provide feedback on the firmware specific aspects of hardware design;
• Delivery new platforms support for Malevich OS;
• Work with high-level and technical requirements for research and development new features;
• Participate in making design decision to develop high performance and reliable embedded systems;
• Organization of stands development, needed to test platforms and track metrics (such as consumption, boot time etc);
• Be ready to mentoring of newcomers|trainee coworkers.

With us you will enjoy:

• Working with a team of people to build the future of an industry;
• Non-trivial challenges and various range of interesting tasks;
• A flexible, friendly and collaborative work environment;
• Corporate culture based on common sense;
• Medical Insurance;
• Corporate English;
• Compensation for speciallized training;
• The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.

Ajax Systems is looking for a highly motivated and skilled Talent Sourcer to support their global recruitment efforts. This role will focus on building robust candidate pipelines to contribute to the company's continued international growth.
 

Responsibilities:

• Conduct sourcing activities to fill candidate pipelines.
• Utilize various sourcing methods, including Boolean search, GitHub, LinkedIn Recruiter, social networks, and alternative sources.
• Develop and implement sourcing strategies in alignment with the company's talent attraction strategy.
• Track and analyze candidate metrics, including passive candidate engagement and interview conversions.

Requirements:

• 1+ year of experience as a Talent Sourcer.
• Proficiency in using search tools and technologies, including browser plugins and automation programs.
• Up-to-date knowledge of sourcing trends and techniques, with a willingness to explore new tools and life hacks.
• Ability to tailor communication strategies to different candidates and understand their unique advantages.
• Experience with Applicant Tracking Systems (ATS), preferably Lever.
• Strong analytical skills and a desire to deepen knowledge in analytics.
• Self-organized with the ability to manage vacancies across various domains while effectively communicating with recruiters and hiring managers.

We Offer:

• Autonomy to make decisions and implement ideas.
• Collaborative and supportive team environment with a zero BS culture.
• Flexible work schedule in the office ( Kyiv or Lviv)
• Health and medical insurance coverage.
• Ajax security system kit.
   

Join us if you're seeking professional challenges and interesting tasks!If you're ready to contribute to our dynamic team and help shape the future of security technology, apply now and embark on an exciting journey with Ajax Systems 🚀

Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The whole team is in one office in Kyiv, all technical and product decisions are made locally. We’re looking for a Data Engineer to join us and continue the evolution of a product that we love: someone who takes pride in their work to ensure that user experience and development quality are superb.
 

Required skills:
 

Proven experience as a Data Architect or Architect Data Engineer role

At least 3 years of experience as a Python Developer

Strong problem solving, troubleshooting and analysis skills

Previous years of experience and a substantial understanding in:  

Data ingestion frameworks for real-time and batch processing

Development and optimization of relational databases such as MySQL or PostgreSQL

Working with NoSQL databases and search systems (including Elasticsearch, Kibana, and MongoDB)

Cloud-based object storage systems (e.g. S3-compatible services)

Data access and warehousing tools for analytical querying (e.g. distributed query engines, cloud data warehouses)
 

Will be a plus:
 

Working with large volumes of data and databases

Knowledge of version control tools such as Git

English at the level of reading and understanding technical documentation

Create complex SQL queries against data warehouses and application databases
 

Tasks and responsibilities:
 

Develop and manage large scale data systems and ingestion capabilities and infrastructure. Support Design and development of solutions for the deployment of dashboards and reports to various stakeholders.

Architect data pipelines and ETL processes to connect with various data sources Design and maintain enterprise data warehouse models Manage cloud based data & analytics platform Deploy updates and fixes

Evaluate large and complex data sets

Ensure queries are efficient and use the least amount of resources possible Troubleshoot queries to address critical production issues

Assist other team members in refining complex queues and performance tuning

Understand and analyze requirements to develop, test and deploy complex SQL queries used to extract business data for regulatory and other purposes;

Write and maintain technical documentation.

Apply for this job

Ajax Systems is a global technology company and the leading developer and manufacturer of Ajax security systems with smart home capabilities in Europe. It encompasses a comprehensive ecosystem featuring 180 devices, mobile and desktop applications, and a robust server infrastructure. Each year, we experience substantial growth in both our workforce and our user base worldwide. Currently, the company employs over 4,100 individuals, while Ajax sensors safeguard 3.5 million users across more than 187 countries.

We are looking for a SAP Analytics Cloud Consultant to develop analytical solutions based on SAP SAC, SAP S/4HANA, or SAP Data Sphere.

The focus is on creating interactive dashboards, planning and forecasting, and integrating analytics into the company’s business processes.

The ideal candidate is an analyst with systemic thinking, a strong understanding of data, and the ability to translate business requirements into effective visual solutions, with experience working with the SAP BI toolset.

Key Responsibilities:

• Analytics Solution Development: Design and develop interactive dashboards, reports, and KPIs in SAP Analytics Cloud (SAC);
• Focus on visual design principles to create user-friendly and intuitive dashboards. Propose a design code guide to follow in the team;
• Utilize SAC capabilities, including planning, forecasting, and predictive analytics;
• Enable and optimize Embedded Analytics in SAP S/4HANA by consuming CDS Views.
• Data Integration and exploration: Integrate data from various sources (SAP and non-SAP systems, SQL databases, etc.) into SAC for unified analytics and reporting;
• Perform exploratory data analysis (EDA) to uncover patterns, validate data quality, and derive actionable insights.
• Business Collaboration: Work closely with business stakeholders to gather requirements, define KPIs, and translate business needs into technical solutions;
• Provide guidance on self-service analytics to empower business users and enhance BI adoption.
• Solution Optimization and Governance: Ensure SAC solutions align with data governance and performance best practices;
• Manage access controls, data security, and compliance across SAC deployments;
• Monitor and optimize dashboards for usability, performance, and scalability.
• Documentation and Knowledge Sharing: Document all solutions, models, data integrations, and reporting workflows to ensure transparency and maintainability;
• Create clear technical and user documentation to support stakeholders and end-users.
• Integration and Enablement: Collaborate with SAP Data Engineers to ensure data readiness from SAP S/4HANA and SAP Data Sphere;
• Integrate SAC with SAP back-end systems and other data sources for a unified
• Leadership and Support: Provide thought leadership on advanced SAC functionalities, trends, and best practices;

• Mentor team members and train end-users to maximize the value of SAC

   

Key Requirements:

• Over 3 years of experience working with SAP BI tools in the SAP S/4HANA environment, including planning, predictive analytics, and dashboard development.
• Hands-on experience with exploratory data analysis (EDA) across various data sources to identify patterns, insights, and data quality issues.
• Experience working with SQL-based databases for querying, validating, and processing data for analytical purposes.
• Strong understanding of data visualization best practices and performance optimization techniques.
• Excellent skills in gathering and transforming business requirements into technical analytical solutions.
• Well-developed communication skills and the ability to effectively collaborate with stakeholders, technical teams, and business units.
• Analytical mindset and ability to solve complex analytical challenges, supporting data-driven decision-making.
• Proven ability to work in cross-functional teams, coordinating with data engineers and IT representatives to ensure data readiness.

• Proactive, detail-oriented, and committed to delivering high-quality results.

   

We offer:

• Opportunity to build your own processes and best practices;
• A dynamic team working within a zero-bullshit culture;
• Working in a comfortable office at UNIT.City (Kyiv). The office is safe as it has a bomb shelter;
• Reimbursement for external training for professional development;
• Ajax's security system kit to use;
• Official employment with Diia City ;
• Medical Insurance;

• Flexible work schedule.

   

Ajax Systems is a Ukrainian success story, a place of incredible strength and energy.

Ajax Systems is an international technology company and Europe’s largest developer and manufacturer of security systems with smart home capabilities. Ajax products are part of an ecosystem with more than 70 devices. Our technologies protect premises from burglary, fire, or water leaking, and allow control of home appliances.

Today Ajax operates in 178 countries and protects more than 2.5 million users. A large professional team is driving the success and ambitions of our company. Ajax Systems has more than 3000 employees and continues to scale.

SAP HCM Consultant (Non-Residents) – responsible for configuring, supporting, and enhancing SAP Human Capital Management modules, with a specific focus on managing personnel who are non-residents of the country (foreign employees). The specialist ensures the adaptation of HR processes in SAP in compliance with labor laws, tax regulations, and the specifics of accounting for non-residents. The role involves collaboration with HR, payroll, finance, and legal departments, as well as participation in implementing new solutions and integrating with other systems.

Requirements for Experience:

• Experience: 2 to 4 years as an SAP HCM Consultant. Experience in Poland is considered an advantage.
• Practical Knowledge: Hands-on experience configuring SAP modules such as PA (Personnel Administration), OM (Organizational Management), PY (Payroll), and Time Management, with a focus on Polish-specific implementations being a plus.
• Legal Knowledge: Understanding of Polish labor laws, especially in relation to workforce management and payroll.
• International Context: Proven experience in supporting and enhancing SAP HCM solutions in an international environment or for companies employing foreign personnel.
• Project Lifecycle: Participation in the full SAP project lifecycle, including analysis, blueprint creation, configuration, testing, implementation, and support.
• Integration: Preferably, experience integrating SAP HCM with EC (Employee Central) or other external HR systems.

Technical Skills Requirements:

• SAP HCM Functional Knowledge:

  PA (Personnel Administration): Managing personal and contractual data.
  OM (Organizational Management): Structuring organizational hierarchies.
  PY (Payroll): Supporting and calculating payroll, particularly considering the tax specifics of non-residents.

• Time Management: Work schedules, leave management, and business trips.
• Configuration and Table Knowledge: Experience with IMG configuration and understanding the main SAP HCM tables (T-codes: SE11, SE16, SM30).
• Customization Skills: Proficiency in working with User Exits and BAdI for customizing standard logic.
• ABAP Basics: Ability to read code and write simple specifications.
• Integration Mechanisms: Knowledge of IDOC, RFC, ALE, and integration with external systems.
• Non-Resident Management in SAP: Understanding requirements for managing non-resident employees, including taxation, social contributions, foreign contracts, and multi-currency payments.

What we could offer:

• Working in dynamically growing multinational and multicultural Group.
• Ability to add value to the business by applying your knowledge and skills.
• Courses and workshops for professional growth.
• Ajax security system kit (you will be a part of the beta-testing program and will be able to test new devices and features before official release).
• Full-time working schedule.
• Medical insurance.