Performance Engineer – DPU Systems (f/m/x)

🏢 Summary: Engineering role focused on developing and optimizing high-performance networking software, Linux drivers, and data path components for next-generation DPU systems. The position involves C/C++ development on Linux, packet processing optimization, and close collaboration with hardware teams on system bring-up and feature enablement. Open to experienced engineers working on low-level, high-throughput embedded networking solutions. 🗂️ Requirements: Minimum 5 years of commercial experience in similar role, Strong C and C++ development on Linux, Experience with networking systems (NICs, packet processing, data plane, I/O stacks), Understanding of Ethernet, IP, TCP, UDP protocols, Knowledge of Linux kernel internals and driver APIs, Experience with debugging tools, Git, and CI/CD workflows, Residing in Poland 📃 Skills: C, C++, Linux, Kernel, Drivers, Networking, NIC, Ethernet, IP, TCP, UDP, Git, CICD, DPDK, PCIe, DMA, RDMA 🏢 Description: As part of the DPU software group, you will develop and optimize networking software, drivers, and data path components for high-performance data processing. We have multiple openings for both junior and senior engineers, depending on experience level. You will work on cutting-edge Linux-based C/C++ systems, contributing to device driver development, packet processing frameworks, and system bring-up for next-generation DPU products. By joining us, you become a member of the Embedded Competence Center at Sii is an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries including automotive, IoT, telecommunications and medical. Your tasks Develop and maintain DPU drivers and networking software stacks Integrate and optimize fast-path packet processing components Debug and profile data path performance issues Collaborate with hardware and firmware teams on feature enablement and bring-up Participate in design reviews, code reviews, and continuous integration efforts Requirements Minimum 5 years of commercial experience in a similar position Hands-on C/C++ development experience on Linux Experience in networking systems: NICs, packet processing, data plane, or I/O stacks Understanding of Ethernet/IP/TCP/UDP networking protocols Familiarity with Linux kernel internals and driver APIs Experience with debugging tools, git, and CI/CD workflows Good knowledge of spoken and written English (everyday communication) Strong analytical mindset, ownership, and collaborative attitude Residing in Poland required Nice to have Experience in device driver design, debugging, and testing (kernel or user space) Previous work with DPDK fast-path applications and optimization Hands-on SW/HW integration (PCIe, DMA, interrupts, counters, telemetry) Knowledge of congestion/flow control and high-rate packet processing Understanding of RDMA (verbs, QPs, completion model, transport semantics) Experience with unit/integration testing and performance observability tools What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Offer for a Performance Test Automation Engineer responsible for designing and executing automated non-functional and performance tests for international projects. The role focuses on ensuring quality and system performance through test automation, results analysis, and collaboration with Agile Scrum teams. The position also involves maintaining and enhancing existing automation frameworks. 🗂️ Requirements: Proven software development experience, Proficient Java knowledge, Minimum 4 years experience in test automation, Experience with web and REST-based solutions testing, Strong experience in non-functional and performance testing, Practical experience with JMeter, Knowledge of test automation tools and frameworks, Experience with CI/CD tools, Proficiency with Git version control, ISTQB Foundation Level knowledge, Basic SQL query experience, Experience working with XML, CSV, JSON, Fluent Polish language, Residence in Poland 📃 Skills: Java, JMeter, Selenium, Maven, RestAssured, Postman, Jenkins, Bamboo, Git, SQL, XML, CSV, JSON, BDD, Gherkin, REST 🏢 Description: Poszukujemy osoby na stanowisko Performance Test Automation Engineer, która dołączy do naszego zespołu i będzie wspierać projekty dla międzynarodowych klientów. Będziesz odpowiedzialny za zapewnienie wysokiej jakości i wydajności dostarczanych rozwiązań poprzez projektowanie i wykonywanie zautomatyzowanych testów niefunkcjonalnych oraz aktywną współpracę ze zwinnymi zespołami dostarczającymi. Twoje zadania Projektowanie i wdrażanie zautomatyzowanych skryptów testów wydajnościowych i niefunkcjonalnych Analiza wyników testów i identyfikacja defektów, w tym aktualizacja skryptów testowych Przeglądanie i komentowanie wymagań i projektów technicznych z perspektywy testowania Aktywna współpraca ze zwinnymi zespołami Scrum w celu zapewnienia wysokiej jakości dostaw Przygotowywanie, gromadzenie i zarządzanie danymi testowymi ze zrozumieniem zależności Raportowanie, debugowanie i weryfikacja usterek Rekomendowanie odpowiednich działań w oparciu o wyniki testów Identyfikacja i rozwiązywanie codziennych przeszkód, w tym ograniczanie ryzyka Ciągłe doskonalenie i rozszerzanie istniejących ram automatyzacji testów Wymagania Udokumentowane doświadczenie w tworzeniu oprogramowania i biegła znajomość języka Java Co najmniej 4 lata praktycznego doświadczenia w automatyzacji testów, w tym rozwiązań internetowych i opartych na REST Duże doświadczenie w testach niefunkcjonalnych, w szczególności w testach wydajnościowych Praktyczne doświadczenie z JMeter Znajomość narzędzi i frameworków do automatyzacji testów (np. Maven, Selenium WebDriver, Rest-Assured, Postman) Doświadczenie z narzędziami CI/CD (np. Jenkins, Bamboo) Biegła znajomość systemów kontroli wersji (Git) Ogólna wiedza z zakresu testowania zgodna z ISTQB Foundation Level Podstawowe doświadczenie w przygotowywaniu zapytań SQL Umiejętność manipulowania danymi przy użyciu różnych formatów (XML, CSV, JSON) Znajomość podejścia BDD i Gherkin będzie dodatkowym atutem Wymagana biegła znajomość języka polskiego Wymagane miejsce zamieszkania w Polsce Benefity, które czekają na Ciebie: Tytuł Great Place to Work od 2015 roku - to dzięki opiniom pracowników otrzymujemy tytuł i wdrażamy nowe pomysły Stabilność zatrudnienia - 2,1 MLD PLN przychodu, brak długów, od 2006 roku na rynku Dzielimy się zyskiem z pracownikami - od 2022 roku przeznaczyliśmy na ten cel już ponad 76 milionów PLN Bogaty pakiet benefitów - prywatna opieka zdrowotna, platforma kafeteryjna, zniżki na samochody i więcej Komfortowe miejsce pracy - pracuj w naszych biurach klasy A lub zdalnie Dziesiątki fascynujących projektów dla prestiżowych marek z całego świata 1 000 000 PLN rocznie na Twoje pomysły - taką kwotą wspieramy pasje i akcje wolontariackie naszych pracowników Stawiamy na Twój rozwój - meetupy, webinary, platforma szkoleniowa i blog technologiczny – Ty wybierasz Fantastyczna atmosfera stworzona przez wszystkich Sii Power People Dołącz do zespołu Sii – rozwijaj umiejętności, zdobywaj doświadczenie i buduj karierę!

🏢 Summary: Offer for a Performance Test Automation Engineer responsible for designing and executing automated non-functional and performance tests in international projects. The role focuses on ensuring high quality and system performance through test automation, analysis of results, and close collaboration with Agile teams. It includes continuous improvement of test frameworks and active participation in CI/CD processes. 🗂️ Requirements: Proven experience in software development, Proficiency in Java, Minimum 4 years of experience in test automation, Experience in web and REST-based test automation, Strong experience in non-functional and performance testing, Practical experience with JMeter, Knowledge of test automation tools and frameworks, Experience with CI/CD tools, Proficiency with Git, ISTQB Foundation Level knowledge, Basic experience with SQL queries, Ability to work with XML, CSV, JSON data formats, Fluent Polish, Residence in Poland 📃 Skills: Java, JMeter, Maven, Selenium, WebDriver, Rest-Assured, Postman, Jenkins, Bamboo, Git, SQL, XML, CSV, JSON, REST, BDD, Gherkin, CI/CD, Scrum 🏢 Description: Poszukujemy osoby na stanowisko Performance Test Automation Engineer, która dołączy do naszego zespołu i będzie wspierać projekty dla międzynarodowych klientów. Będziesz odpowiedzialny za zapewnienie wysokiej jakości i wydajności dostarczanych rozwiązań poprzez projektowanie i wykonywanie zautomatyzowanych testów niefunkcjonalnych oraz aktywną współpracę ze zwinnymi zespołami dostarczającymi. Twoje zadania Projektowanie i wdrażanie zautomatyzowanych skryptów testów wydajnościowych i niefunkcjonalnych Analiza wyników testów i identyfikacja defektów, w tym aktualizacja skryptów testowych Przeglądanie i komentowanie wymagań i projektów technicznych z perspektywy testowania Aktywna współpraca ze zwinnymi zespołami Scrum w celu zapewnienia wysokiej jakości dostaw Przygotowywanie, gromadzenie i zarządzanie danymi testowymi ze zrozumieniem zależności Raportowanie, debugowanie i weryfikacja usterek Rekomendowanie odpowiednich działań w oparciu o wyniki testów Identyfikacja i rozwiązywanie codziennych przeszkód, w tym ograniczanie ryzyka Ciągłe doskonalenie i rozszerzanie istniejących ram automatyzacji testów Wymagania Udokumentowane doświadczenie w tworzeniu oprogramowania i biegła znajomość języka Java Co najmniej 4 lata praktycznego doświadczenia w automatyzacji testów, w tym rozwiązań internetowych i opartych na REST Duże doświadczenie w testach niefunkcjonalnych, w szczególności w testach wydajnościowych Praktyczne doświadczenie z JMeter Znajomość narzędzi i frameworków do automatyzacji testów (np. Maven, Selenium WebDriver, Rest-Assured, Postman) Doświadczenie z narzędziami CI/CD (np. Jenkins, Bamboo) Biegła znajomość systemów kontroli wersji (Git) Ogólna wiedza z zakresu testowania zgodna z ISTQB Foundation Level Podstawowe doświadczenie w przygotowywaniu zapytań SQL Umiejętność manipulowania danymi przy użyciu różnych formatów (XML, CSV, JSON) Znajomość podejścia BDD i Gherkin będzie dodatkowym atutem Wymagana biegła znajomość języka polskiego Wymagane miejsce zamieszkania w Polsce Benefity, które czekają na Ciebie: Tytuł Great Place to Work od 2015 roku - to dzięki opiniom pracowników otrzymujemy tytuł i wdrażamy nowe pomysły Stabilność zatrudnienia - 2,1 MLD PLN przychodu, brak długów, od 2006 roku na rynku Dzielimy się zyskiem z pracownikami - od 2022 roku przeznaczyliśmy na ten cel już ponad 76 milionów PLN Bogaty pakiet benefitów - prywatna opieka zdrowotna, platforma kafeteryjna, zniżki na samochody i więcej Komfortowe miejsce pracy - pracuj w naszych biurach klasy A lub zdalnie Dziesiątki fascynujących projektów dla prestiżowych marek z całego świata 1 000 000 PLN rocznie na Twoje pomysły - taką kwotą wspieramy pasje i akcje wolontariackie naszych pracowników Stawiamy na Twój rozwój - meetupy, webinary, platforma szkoleniowa i blog technologiczny – Ty wybierasz Fantastyczna atmosfera stworzona przez wszystkich Sii Power People Dołącz do zespołu Sii – rozwijaj umiejętności, zdobywaj doświadczenie i buduj karierę!

🏢 Summary: Performance Engineer role focused on designing and executing performance testing for EV charging, retail, and mobile solutions in a cloud-based environment. The position involves building and maintaining Gatling test scripts, analyzing system performance, and optimizing scalability in collaboration with development teams. You will drive performance engineering standards and support a shift-left approach to ensure fast and stable systems. 🗂️ Requirements: Minimum 5 years of experience in software testing including performance testing, Hands-on experience with Gatling, Strong programming skills in Java, Understanding of OOP principles and SOLID, DRY, YAGNI, KISS practices, Knowledge of performance engineering concepts and optimization (architectural patterns, databases, microservices, queues, JVM tuning), Experience with performance testing methodologies and workload modeling, Experience with Azure or AWS cloud platforms, Practical experience with Docker, Experience with observability and monitoring tools, Experience with CI/CD pipelines, Experience with Git version control, English proficiency at B2 level minimum, Fluent Polish, Residing in Poland 📃 Skills: Gatling, Java, Azure, AWS, Docker, Grafana, Kibana, InfluxDB, Prometheus, CloudWatch, ApplicationInsights, GitHub, Actions, AzureDevOps, Git, JVM, OOP, SOLID, DRY, YAGNI, KISS, Microservices, Databases, Queues, CI/CD 🏢 Description: We are looking for a Performance Engineer with Gatling for a project in the fueling & EV retail industry. You’ll join a small but experienced team that supports various internal projects and helps teams build fast and stable systems. A big advantage is the well-structured testing strategy and ongoing collaboration with developers. You’ll work on solutions related to EV charging, loyalty systems, mobile applications, and retail — in an environment where performance and scalability truly matter. Your tasks Developing, maintaining, and deploying performance testing scripts, load generators, and executing performance tests Defining performance testing scope, goals, and success criteria Gathering and refining performance requirements with stakeholders Analyzing performance results on both the client and server sides Identifying bottlenecks using observability tools like Azure Application Insights, Amazon CloudWatch, and Grafana Preparing clear reports with insights and recommendations Supporting and guiding development teams on performance best practices while promoting a shift-left approach to performance testing Helping define and improve performance engineering standards Requirements Minimum 5 years of professional experience in software testing, including performance testing Solid understanding of performance engineering concepts and optimization (architectural patterns, databases, microservices, queues, JVM tuning) Solid understanding of performance testing methodologies, strategies, and workload profiles Hands-on experience with Gatling (must-have) and programming skills in Java, including a good understanding of OOP principles and best practices (SOLID, DRY, YAGNI, KISS) Previous work with cloud platforms such as Azure or AWS Practical experience with containerization and orchestration tools, especially Docker Familiarity with observability and monitoring tools such as Grafana, Kibana, InfluxDB, Prometheus, Azure Application Insights, and Amazon CloudWatch Experience working with CI/CD pipelines (e.g., GitHub Actions, Azure DevOps) and version control systems such as Git English proficiency at a minimum B2 level Fluent Polish required Residing in Poland required Nice-to-have requirements Performance testing experience (JMeter, Python, Kubernetes), including mobile apps Familiarity with GitHub Copilot What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: System Validation Engineer role focused on designing and executing system-level functional and performance tests for advanced Data Processing Units (DPUs) across pre-silicon and post-silicon stages. The position involves simulation, emulation, hardware bring-up, and close collaboration with architecture and verification teams to ensure correct operation of complex hardware features. 🗂️ Requirements: Minimum 5 years of experience in system validation or similar role, Bachelor’s degree in Computer Science, Electrical or Computer Engineering, or related field, Strong proficiency in C and C++ programming, Experience with bare-metal and Linux environments, Solid understanding of computer architecture, Experience with complex hardware systems (DMA, networking, storage, crypto accelerators), Experience with system-level debugging and issue isolation, Practical knowledge of git, gdb, Wireshark, and Scapy, Experience with simulation and emulation platforms 📃 Skills: C, C++, Linux, Baremetal, SystemC, TLM, Python, Git, GDB, Wireshark, Scapy, DMA, PCIe, Jenkins, Networking, Storage, Crypto, Emulation, Simulation 🏢 Description: Join our Data Processing Unit (DPU) development team, working on state-of-the-art hardware for high-performance computing, storage, security, and networking acceleration. As a System Validation Engineer, you will design, develop, and execute system-level functional and performance tests across all project stages — from architecture definition, through pre-silicon simulation and emulation, up to post-silicon bring-up. You will collaborate closely with architects, hardware, and verification engineers to ensure that every DPU feature operates as designed in real-world conditions. By joining us, you become a member of the Embedded Competence Center at Sii is an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries including automotive, IoT, telecommunications and medical. Your tasks Define and implement functional and performance testcases from the architecture specifications Develop and execute tests on simulation, emulation, and evaluation board platforms Debug and isolate system-level issues in collaboration with design and verification teams Create and maintain SystemC models of DPU components Support system bring-up and validation activities across project stages Requirements Minimum 5 years of commercial experience in a similar position Bachelor’s or higher degree in Computer Science, Electrical/Computer Engineering, or related field Strong proficiency in C/C++ programming for bare-metal and Linux environments Solid understanding of computer architecture and experience working with complex hardware systems (DMA, networking, storage, crypto accelerators) Practical knowledge of git, gdb, Wireshark, and Scapy Fluent English, written and spoken Excellent debugging and analytical skills with a strong attention to detail Proven ability to collaborate with cross-functional hardware/software teams Strong motivation to push systems to their limits and find edge-case bugs Residing in Poland required Nice to have Knowledge of SystemC and TLM modeling Experience with Python scripting Understanding of networking and storage protocols, PCIe, and crypto algorithms Familiarity with emulation platforms and waveform-level debugging Experience with Jenkins or similar automation flows What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Senior Performance Test Engineer role focused on building and integrating performance testing practices for digital fleet management platforms in an Agile environment. The position involves designing automated performance test strategies, analyzing system scalability and reliability, and embedding performance testing into CI/CD pipelines. Hybrid work model based in Warsaw. 🗂️ Requirements: 5+ years of experience in performance engineering or testing, Experience with LoadRunner, Experience with Apache JMeter, Experience with Gatling, Knowledge of performance testing methodologies, Knowledge of workload modeling, Knowledge of capacity planning, Experience analyzing application logs and system metrics, Experience identifying performance bottlenecks, Experience with Dynatrace, Experience with Elasticsearch, Experience integrating performance testing into CI/CD pipelines, Fluent Polish, Fluent English 📃 Skills: LoadRunner, JMeter, Gatling, Dynatrace, Elasticsearch, Grafana, Prometheus, CI/CD, APM, Agile 🏢 Description: We are looking for an experienced Senior Performance Test Engineer to join a dynamic Agile team responsible for developing and supporting digital fleet management platforms used across multiple countries. In this role you will ensure the scalability, reliability, and efficiency of our digital platforms throughout the entire software delivery lifecycle. You will collaborate closely with Product Teams, Cloud Engineering, and QA communities to embed performance best practices into delivery teams and support the industrialization and standardization of performance testing across the organization. The role is based in Warsaw and offers a hybrid working model. Your tasks Designing and implementing performance testing strategies aligned with product architecture Integrating performance testing into CI/CD pipelines to enhance delivery efficiency Defining performance acceptance criteria and non-functional requirements (NFRs) Developing and maintaining automated load, stress, endurance, and scalability test scenarios Analyzing application and infrastructure behavior under load to identify performance bottlenecks Collaborating with engineering teams to improve system scalability, resilience, and overall performance Defining, measuring, and monitoring key performance indicators (KPIs), including latency, throughput, response times, and resource utilization Partnering with Operations and Site Reliability Engineering (SRE) teams to validate system stability and production readiness Developing reusable test assets, datasets, CI/CD pipelines, and automation templates Requirements Minimum 5 years of experience in performance engineering or testing Hands-on experience with performance testing tools such as LoadRunner, Apache JMeter, and Gatling Strong understanding of performance testing methodologies, workload modeling, and capacity planning Experience analyzing application logs, system metrics, and identifying performance bottlenecks Familiarity with application performance monitoring (APM) tools such as Dynatrace and Elasticsearch Experience integrating performance testing into CI/CD pipelines is a strong advantage Fluent Polish and English Nice-to-have requirements Familiarity with Grafana and Prometheus

🏢 Summary: This role focuses on optimizing and validating large-scale machine learning workloads within a High-Performance Computing and compiler infrastructure environment. The engineer will manage performance benchmarking pipelines, conduct root-cause analysis of regressions, and automate infrastructure for reliable performance testing. It is a high-impact position centered on performance engineering, automation, and system-level debugging for next-generation hardware. 🗂️ Requirements: Strong proficiency in Python, Hands-on experience with SQL, Deep knowledge of Linux/Unix environments, Experience with Bash scripting, Ability to debug complex system-level issues, Experience with performance benchmarking and analysis, Clear technical documentation skills 📃 Skills: Python, SQL, Linux, Unix, Bash, HPC, CI/CD, Bazel, CMake, JAX, PyTorch, TensorFlow, GPU 🏢 Description: We are looking for an experienced Software Engineer in Performance Infrastructure to join our team. This position is part of a high-impact project for a world-renowned global tech leader and AI innovator . You will be focused on optimizing large-scale machine learning workloads for next-generation hardware within a High-Performance Computing (HPC) and Compiler Infrastructure environment. Your core mission will be to manage the end-to-end health, precision, and reliability of performance benchmarking pipelines, working at the intersection of automated infrastructure and performance engineering. Responsibilities: Performance Analysis & Validation: Evaluate results from automated benchmarking suites to detect and analyze performance shifts and shifts in metrics. Root-Cause Analysis: Perform deep-dive root-cause analysis on bisection results to identify specific code changes responsible for performance regressions. Infrastructure Automation: Develop and maintain Python-based tooling for benchmark automation, hardware configuration management, and automated data recovery. System Debugging: Troubleshoot failures within the benchmarking pipeline, including script errors, environment misconfigurations, and resource allocation issues in distributed clusters. Data Pipelines & Dashboards: Maintain and enhance data pipelines and visualization tools to ensure high-fidelity performance metrics are consistently available for engineering teams. Technical Documentation: Develop and maintain engineering playbooks and best practices to improve consistency in performance testing and incident investigation. Min requirements: Strong proficiency in Python for systems automation, data processing, and integration. Hands-on experience with SQL for querying large datasets and managing performance metrics. Deep knowledge of Linux/Unix environments, shell scripting (Bash), and command-line development. Exceptional analytical and problem-solving skills with the ability to debug complex system-level issues. Clear written communication skills for documenting technical investigations and collaborating across globally distributed teams. Would be a plus: Practical experience with distributed build and test systems (e.g., Bazel / CMake ). Strong familiarity with CI/CD pipelines and automated regression testing. Basic understanding of hardware accelerators ( GPUs ) or machine learning frameworks (e.g., JAX, PyTorch, TensorFlow ). Background in Performance Engineering or SRE (Site Reliability Engineering). We offer: Opportunity to work on bleeding-edge projects Work with a highly motivated and dedicated team Competitive salary Flexible schedule Benefits package - medical insurance, sports Corporate social events Professional development opportunities Well-equipped office About us: Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI , supported by profound expertise and ongoing investment in data , analytics , cloud & DevOps , application modernization and customer experience . Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

🏢 Summary: Embedded Developer role focused on designing and implementing embedded C++ software for automotive ECUs and machine control systems, including Linux-based HMI functions. The position involves model-based design with Matlab/Simulink, real-time systems development, and full lifecycle participation from requirements to validation. The engineer works with RTOS, CAN communication, and performs hands-on testing on target hardware. 🗂️ Requirements: Minimum 5 years of professional experience, Strong experience in C++, Experience in embedded systems or firmware development, Solid understanding of embedded software development lifecycle, Hands-on experience with Matlab/Simulink, Experience with model-based design, Experience with RTOS-based development, Experience with CAN communication, Proficiency with Enterprise Architect, Knowledge of software testing methods, Good command of English 📃 Skills: C++, Embedded, RTOS, Matlab, Simulink, CAN, EnterpriseArchitect, Linux, ECU, HMI, EmbeddedCoder 🏢 Description: We are looking for an Embedded Developer to join our team and contribute to an exciting project in the automotive industry. The role involves designing and implementing embedded software components, working on both low-level control systems and Linux-based HMI functions. By joining us, you become a member of the Embedded Competence Center at Sii, an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries, including automotive, IoT, telecommunications, and medical. Apply! Your tasks Design, develop and maintain embedded C++ software for ECUs and machine control systems Develop and maintain control algorithms and software models using Matlab/Simulink, including model-based design Transform models into production-ready embedded code and support integration Work with real-time systems, sensors, actuators, and communication interfaces (e.g. CAN) Participate in the full development lifecycle: requirements, design, implementation, integration and verification Collaborate closely with system engineers, control engineers, and hardware teams Perform hands-on validation and testing directly on machines, including access to a dedicated test track near the office Contribute to continuous improvements within an agile setup Requirements At least 5 years of professional experience Strong experience in C++ (preferably modern C++) Experience in embedded systems/firmware development Solid understanding of the embedded software development life cycle Hands-on experience with Matlab/Simulink and model-based design Familiarity with electrical and electronic system architectures Hands-on experience with RTOS-based software development Experience with CAN communication Proficiency with the Enterprise Architect tool Knowledge of software testing methods (e.g., code analysis, unit validation) Good command in English Nice-to-have requirements Previous work with auto-code generation (e.g., Embedded Coder) Knowledge of vehicle communication protocols (e.g., CAN) Experience in the automotive or heavy equipment domain Familiarity with functional safety (e.g., ISO 26262) What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Hybrid Performance Test Engineer role focused on cybersecurity, responsible for designing and executing performance and security testing to ensure reliability and protection of critical systems. The position involves analyzing system performance, identifying vulnerabilities, and collaborating with development teams to improve secure architectures. Candidates should have experience in performance testing, scripting or programming knowledge, and a solid understanding of cybersecurity principles. 🗂️ Requirements: Experience in performance testing, Familiarity with performance testing tools and frameworks, Understanding of cybersecurity principles, threats, and defense mechanisms, Knowledge of Python or Java, Strong analytical and problem-solving skills, Good communication skills, Good command of English, Legal right to work in the European Union 📃 Skills: Python, Java, BurpSuite, OWASPZAP, Cybersecurity, PerformanceTesting, SecurityTesting, Cloud, ISTQB, CEH 🏢 Description: Empower cybersecurity excellence — drive reliable, secure digital landscapes. Hybrid – 6 days from the office per month, with up to 3 remote days per week. As a Performance Test Engineer – Cybersecurity Focus , you will be working for our client to ensure the robustness and security of their critical systems. The role is pivotal in delivering high-quality cybersecurity solutions that protect organizations from emerging threats and vulnerabilities, fostering safer digital environments. Join us to contribute to cutting-edge security innovations and advance your career in a dynamic industry. Your main responsibilities: Design, develop, and execute performance and security testing plans for cybersecurity solutions. Analyze system performance under various loads and identify potential bottlenecks or vulnerabilities. Collaborate with development teams to optimize security architectures and performance. Identify, troubleshoot, and report on security-related system issues to improve overall reliability. Conduct continuous performance assessments to ensure compliance with security standards. Document testing procedures, results, and improvement recommendations transparently. Stay updated on the latest cybersecurity threats, tools, and testing methodologies. You’re ideal for this role if you have: Experience in performance testing, ideally within cybersecurity or related fields. Familiarity with performance testing tools and frameworks. Basic understanding of cybersecurity principles, threats, and defense mechanisms. Knowledge of scripting or programming languages such as Python, Java, or similar. Strong analytical and problem-solving skills. Excellent communication skills to document and present testing outcomes. It is a strong plus if you have: (optional) Certifications related to cybersecurity or performance testing (e.g., Certified Ethical Hacker, ISTQB Security Tester). Experience with security testing tools like Burp Suite, OWASP ZAP, etc. Knowledge of cloud environments and security protocols. Language Required for the role: Good command of English. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: The offer is for an Embedded Software Engineer responsible for developing Linux kernel modules, device drivers, and low-level system components for enterprise-class platforms. The role involves close collaboration with hardware and firmware teams, debugging complex system-level issues, and optimizing performance and diagnostics tools. It targets experienced engineers with strong kernel development expertise working on high-impact systems. 🗂️ Requirements: Minimum 5 years of embedded or kernel development experience, Strong C/C++ programming skills, Strong debugging skills, Knowledge of Linux OS internals, Knowledge of Linux kernel architecture, Familiarity with CPU/SoC architectures (x86/ARM), Experience with Linux build systems, Experience with diagnostic tools, Fluency in English 📃 Skills: C, C++, Linux, Kernel, DeviceDrivers, x86, ARM, BuildSystems, Debugging 🏢 Description: Join Sii and play a key role in delivering enterprise-class data platforms to international clients. As an Embedded Software Engineer, you will be responsible for developing Linux kernel modules, device drivers, and low-level system components. You will collaborate with cross-functional teams and support strategic data and analytics initiatives across the organization. Your tasks Design and implement Linux kernel modules and device drivers Collaborate with hardware and firmware teams on the new platform bring-up Debug complex system-level issues across firmware, kernel, and user space Optimize tools for performance monitoring and diagnostics Contribute to code reviews and adopt secure coding practices Requirements At least 5 years of embedded or kernel development experience Strong C/C++ programming and debugging skills Knowledge of Linux OS internals and kernel architecture Familiarity with CPU/SoC architecture (x86/ARM) Experience with Linux build systems and diagnostic tools Fluency in English What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!