FPGA Developer (f/m/x)

🏢 Summary: FPGA Tester role focused on verification and validation of advanced FPGA-based architectures for avionics systems in a DO-254 DAL A compliant environment. The position involves requirements-based testing, VHDL simulations, hardware-level verification, and coverage analysis to ensure high-reliability aerospace standards. 🗂️ Requirements: Minimum 5 years of FPGA verification and validation experience, Strong experience with requirements-based testing methodologies, Hands-on VHDL simulation and verification experience, Experience in DO-254 DAL A compliant environments, Experience with hardware-level testing and lab equipment, Knowledge of coverage analysis and test completeness, Experience with requirements and configuration management tools (DOORS, Git, SVN, Bitbucket) 📃 Skills: FPGA, VHDL, DO254, DOORS, Git, SVN, Bitbucket, ModelSim, OSVVM, MILSTD1553B, Verification, Simulation, CoverageAnalysis, LogicAnalyzers, SignalGenerators, PlaceRoute, HardwareTesting 🏢 Description: Join our team as an FPGA Tester and help ensure the quality and reliability of cutting-edge embedded systems powering next-generation avionics solutions. You will verify advanced FPGA-based architectures, contributing to high-reliability systems used in aerospace environments. This is an opportunity to collaborate with experts and play a key role in validating innovative technologies against the highest industry standards. Your tasks Develop and execute requirements-based test cases and procedures Perform FPGA verification in a DO-254 DAL A compliant environment Create VHDL-based simulation tests and bus functional models Conduct hardware-level verification using lab equipment, e.g., logic analyzers, signal generators Perform post-place & route simulations and validate design behavior Analyze code coverage to ensure comprehensive testing Manage test results, issues, and problem reports, ensuring traceability Maintain requirements traceability using tools such as IBM Rational DOORS Requirements Minimum 5years of experience in FPGA verification and validation Strong understanding of requirements-based testing methodologies Hands-on experience with VHDL simulation and verification environments Familiarity with coverage analysis and test completeness Experience with hardware testing and lab equipment Knowledge of DO-254 DAL A or similar regulated environments Previous work with requirements and configuration management tools (DOORS, Git/SVN/Bitbucket) Good communication skills and the ability to present complex findings clearly Fluency in English and Polish required Residing in Poland required Willingness to attend occasional meetings between 10:00 a.m. and 7:00 p.m. Nice-to-have requirements Experience with ModelSim and OSVVM Knowledge of MIL-STD-1553B 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: 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: Senior Embedded Developer role focused on designing and implementing middleware firmware and security mechanisms for IoT product controllers. The position involves developing low-level embedded software in C, creating bootloaders, integrating secure boot solutions, and automating testing within a SCRUM environment. Hybrid work model with on-site presence required three days per week. 🗂️ Requirements: Minimum 5 years experience as Embedded Developer, Proficiency in C for embedded systems, Experience with security best practices and code/design reviews, Experience developing firmware and low-level embedded software, Ability to work on-site 3 days per week, Fluent English, Fluent Polish, Residence in Poland 📃 Skills: C, C++, Python, MBEDTLS, RSA, CMake, Makefile, GoogleTest, Pytest, SCRUM, JIRA, Confluence 🏢 Description: We are seeking a Senior Embedded Developer to join a project focused on software development for IoT product controllers. By joining us, you become a member of the Embedded Competence Center at Sii - an internal organizational unit bringing together more than 500 specialists across Poland! We are currently working on approximately 100 projects for 50 clients across various industries, including automotive, IoT, telecommunications, and medical. We focus on development and knowledge exchange by organizing Embedded Academies, training, technical mentoring or enabling project changes. Your tasks Worked from the client’s office 3 days per week Designed and implemented middleware firmware for a comprehensive product platform using C Created bootloaders for a diverse range of hardware products Engineered core audio/video processing algorithms for reference applications Integrated Secure Boot mechanisms utilizing MBEDTLS, RSA, and asymmetric encryption Applied advanced security techniques to mitigate side-channel attacks Built unit tests using C++, Google Test framework Automated testing workflows with Python and Pytest Maintained and enhanced build systems based on Makefile and CMake Authored technical proposals and documentation in Confluence Collaborated with cross-functional product teams to deliver rapid support Operated in a dynamic SCRUM environment with 3-week sprints and regular releases (JIRA) Requirements Ability to work from the client's office 3 days a week (hybrid model) Min. 5 years of experience as an Embedded Developer Proficiency in C for embedded systems development Experience in reviewing complex systems design/code for security best practices and compliance with industry standards Fluency in English Excellent written and verbal communication skills with the ability to convey technical information to a wide variety of audiences Strong creative problem-solving abilities and decision-making skills Fluent in Polish required Residing in Poland required Nice to have Experience in creating bootloaders for various hardware architectures Knowledge and experience with cryptography and computer security Strong knowledge of RISC-V architecture and GCC compiler 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 Full Stack Developer role focused on building and maintaining secure, scalable digital platforms using Java and Angular in an Agile environment. The position involves end-to-end development, system integration, code optimization, and ensuring high software quality for global mobility and fleet management solutions. The role requires close collaboration with cross-functional teams and stakeholders. 🗂️ Requirements: Minimum 5 years experience as Full Stack Java Developer with Angular, Strong proficiency in Java and Spring Framework, Solid experience with Angular (latest versions), Knowledge of software design principles and secure coding practices, Experience in API development, Familiarity with testing frameworks and CI/CD pipelines, Ability to create technical designs and conduct code reviews, Understanding of Agile methodologies, Fluent English (written and spoken), Fluent Polish, Residing in Poland, Availability to work from Warsaw office 2 days per week 📃 Skills: Java, Angular, Spring, REST, CICD, Testing, Agile 🏢 Description: We are looking for a Senior Full Stack Developer with strong expertise in Java and Angular to join our dynamic team. The project involves designing, developing, and maintaining cutting-edge digital platforms used globally by employees, clients, and drivers. Working in an Agile environment, the team partners closely with both corporate and local stakeholders to deliver innovative solutions that enhance connected vehicle services, fleet management, and self-service mobility experiences. Your tasks Developing backend and frontend components of the application Designing, developing, and maintaining high-quality, secure, and scalable software solutions Analysing business requirements and translating them into technical solutions Optimizing and refactoring existing codebases to improve stability, efficiency, and readability Supporting software integration and configuration activities Defining and executing testing strategies to ensure software reliability and quality before release Maintaining and updating technical documentation to reflect system changes and improvements Engaging in technical discussions and contributing to solution design Collaborating effectively with colleagues across different teams and locations Requirements At least 5 years of experience as a Full Stack Java Developer with Angular Strong skills in Java and Spring Framework for backend development Solid experience with Angular (latest versions preferred) for frontend development Strong knowledge of software design principles, secure coding practices, and API development Familiarity with testing frameworks and CI/CD pipelines Proficiency in creating technical designs, test cases, and conducting code reviews Good understanding of Agile methodologies Fluency in English, both written and spoken Openness to commuting to the office in Warsaw 2 days a week Fluent Polish required Residing in Poland required 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: 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: The offer is for a Performance Engineer responsible for analyzing, benchmarking, and optimizing end-to-end performance of DPU-based systems across compute, networking, storage, and security workloads. The role focuses on identifying bottlenecks, tuning system performance, and collaborating with software and hardware teams to implement optimizations. It also involves developing automated performance tests and integrating them into CI workflows. 🗂️ Requirements: Minimum 5 years of experience in performance engineering or similar role, Strong experience in Linux system performance analysis, Hands-on experience with DPDK and/or SPDK, Knowledge of CPU, memory, I/O, and network performance tuning, Experience with industry benchmarks (SPEC, FIO, iperf, Netperf), Experience developing performance tests for custom hardware and software, Proficiency in Python or Bash scripting, Ability to analyze and visualize performance metrics, Good command of English, Residing in Poland 📃 Skills: Linux, DPDK, SPDK, DPU, CPU, Memory, I/O, Networking, SPEC, FIO, iperf, Netperf, Python, Bash, CI, Storage 🏢 Description: As a Performance Engineer, you will analyze, measure, and optimize the end-to-end performance of DPU-based systems, including computer, networking, storage, and security workloads. You’ll work closely with architecture, software, and validation teams to define benchmarks, identify bottlenecks, and guide optimizations at both the software and hardware levels. 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 execute performance tests and benchmarks for DPU components Analyze system behavior under high-load scenarios and identify performance bottlenecks Collaborate with software, firmware, and hardware teams to drive optimizations Gather and visualize performance metrics for reporting and competitive analysis Contribute to performance automation and CI workflows Requirements Minimum 5 years of commercial experience in a similar position Strong background in Linux system performance analysis Hands-on experience with DPDK and/or SPDK for data path and storage performance Familiarity with CPU, memory, I/O, and network performance tuning Understanding of industry benchmarks (SPEC, FIO, iperf, Netperf, etc.) Experience developing performance tests targeting custom hardware and software components Solid scripting skills (Python, Bash, or similar) Good knowledge of spoken and written English (everyday communication) Strong analytical and problem-solving skills; comfortable with data collection and visualization tools Residing in Poland required 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: Development of a next-generation compiler infrastructure for programmable Ethernet switches, focused on extending LLVM and integrating P4 to enable efficient packet-processing on custom hardware. The role involves building and optimizing compiler backends, implementing IR passes, and validating generated code on simulators and hardware. The position centers on low-level compiler development aligned with networking architectures and hardware constraints. 🗂️ Requirements: Minimum 5 years of commercial experience in a similar role, Hands-on experience with LLVM infrastructure (frontend/backend, IR passes, TableGen), Strong programming skills in C++ (C++11/14/17), Proficiency in Python, Understanding of compiler optimization techniques and code generation, Experience with Linux development environments, Experience with CMake or Bazel build tools, Good command of English, Residence in Poland 📃 Skills: LLVM, P4, p4c, C++, Python, CMake, Bazel, Linux, TableGen, IR, Git 🏢 Description: Work on next-generation compiler infrastructure for programmable Ethernet switches. You will extend LLVM and P4 compilation flows to enable efficient packet-processing pipelines on custom switching hardware. 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 optimize LLVM-based compiler backend for programmable network switches Integrate P4 frontend (p4c) with LLVM IR generation and custom targets Implement new compiler passes for latency and power optimization Debug and validate generated code on simulators and hardware prototypes Collaborate with hardware and networking teams to align compiler output with architectural constraints Requirements Minimum 5 years of commercial experience in a similar position Hands-on experience with LLVM compiler infrastructure (frontend/backend development, IR passes, TableGen, etc.) Strong programming skills in C++ (modern C++11/14/17) and Python Understanding of compiler optimization techniques, IR transformations, and code generation Experience with Linux development environments and build tools (CMake, Bazel) Excellent analytical and debugging skills; self-learner and strong communicator Good knowledge of spoken and written English (everyday communication) Residing in Poland required Nice to have Familiarity with P4 language and network data plane compilation Knowledge of networking concepts, packet processing, and switching architectures 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: Principal FPGA Engineer role focused on architecting and leading development of a massively parallel, ultra-low latency FPGA compute platform for real-time ML inference and industrial laser control. The position involves building distributed FPGA systems integrated with GPUs, developing advanced RTL and signal processing pipelines, and collaborating across software and hardware engineering teams. Full-time onsite work in Hawthorne with competitive compensation, equity, and comprehensive benefits. 🗂️ Requirements: Bachelor's degree in computer engineering, electrical engineering, computer science, or related field, 15+ years of FPGA development experience, Experience with SystemVerilog or VHDL, Familiarity with Xilinx Vivado/Vitis toolchain, Experience with high-speed IO, Experience with board bring up, Ability to work full-time onsite 📃 Skills: FPGA, SystemVerilog, VHDL, Vivado, Vitis, Xilinx, Zynq, MPSoC, RTL, DSP, Linux, SoC, C, C++, GPU 🏢 Description: Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, the company enables complex hardware to be designed, built, and scaled without limits. As a Principal FPGA Engineer, you will architect and lead development of a next-generation compute platform, a distributed system of hundreds of FPGAs orchestrating many dozens of high-power lasers in real time. This role focuses on processing hundreds of thousands of frames per second through a real-time ML inference pipeline with ultra-low latency requirements. The position involves leveraging cutting-edge silicon including the Xilinx Zynq Ultrascale+ MPSoC and tightly coupling FPGA fabric with GPUs to build a heterogeneous computing platform. The role centers on pioneering FPGA-based real-time machine learning in an industrial manufacturing environment and contributing core IP work at the frontier of FPGA computing. 3D printing experience is not required. The role seeks collaborative engineers who enjoy solving difficult technical challenges. Responsibilities: - Architect a massively parallel, ultra-low latency FPGA pipeline capable of processing hundreds of thousands of frames per second across a fleet of hundreds of FPGAs - Lead cross-disciplinary engineering efforts spanning software, electrical, and process engineering to advance FPGA capabilities at the system level - Design and implement real-time ML inference capability directly on FPGA fabric - Develop novel RTL components and IP blocks focused on timing closure, resource utilization, and deterministic latency - Implement high-performance signal processing algorithms on FPGA, including custom arithmetic, filtering, and feature extraction at line rate - Design deterministic, microsecond-precision controllers for high-power laser systems operating under strict real-time constraints Basic Qualifications: - Bachelor's degree in computer engineering, electrical engineering, computer science, or related field - 15+ years of FPGA development experience in SystemVerilog or VHDL - Familiarity with Xilinx Vivado/Vitis toolchain development environment - Experience with high-speed IO, board bring up, and hardware-centric FPGA development Nice to Have: - Master's degree in computer engineering, electrical engineering, computer science, or related field - Experience with image processing or DSP - Experience with Xilinx Zynq Ultrascale+ MPSoC - Experience with embedded software development including embedded Linux and SoC-based architectures - Experience implementing advanced computations on FPGAs - Experience with heterogeneous computing platforms and high-speed data acquisition systems - Familiarity with C/C++ or other programming languages - Excellent verbal and written communication skills - Creative problem-solving ability using first-principles reasoning Location: Based in Hawthorne, the role requires full-time onsite presence five days a week with very limited exceptions. What We Offer: Benefits: - Significant stock option packages - 100% employer-paid Medical, Dental, and Vision insurance - Life insurance - Traditional and Roth 401(k) - Relocation assistance provided - Paid vacation, sick leave, and company holidays - Paid parental leave and extended transition back to work for birthing parent - Free daily catered lunch and dinner - Casual dress and flexible work hours - Regular catered team building events Compensation: The estimated salary range for this role is $250,000-$350,000 per year, in addition to stock options. Compensation is based on experience, education, and demonstrated skills.

🏢 Summary: Senior Java Developer role focused on designing and building high-performance, scalable backend systems in a distributed microservices environment for the financial sector. The position involves developing REST APIs, processing large data volumes, and contributing to architecture and CI/CD in cloud-based environments. The role requires strong expertise in Java, Spring, distributed systems, and Kubernetes. 🗂️ Requirements: Minimum 10 years of software development experience, Very good knowledge of Java and Spring, Strong understanding of REST APIs, HTTPS, microservices, and message queues, Ability to design high-availability, scalable, high-performance systems, Very good knowledge of relational databases and SQL, Knowledge of distributed systems and data processing, Hands-on experience with Kubernetes and cloud platforms (GCP preferred), Familiarity with CI/CD pipelines, Experience working in Agile methodologies, Fluent Polish and English, Residence in Poland 📃 Skills: Java, Spring, REST, HTTPS, Microservices, MQ, SQL, Kubernetes, GCP, CI/CD, Agile, DistributedSystems, DataProcessing 🏢 Description: We are looking for an experienced Senior Java Developer to join a team responsible for building and developing modern backend systems in a distributed environment. The projects involve high-performance and scalable solutions used in the financial sector, with a focus on processing large volumes of data and microservices architecture. Your tasks Designing and developing backend systems based on Java Creating and evolving a microservices architecture Building and maintaining REST APIs and system integrations Designing solutions that meet high availability and performance requirements Working with systems that process large volumes of data Collaborating with the team using Agile methodologies Participating in architecture design and technical decision-making Implementing and optimizing CI/CD processes and ensuring system security Requirements Minimum 10 years in software development Very good knowledge of Java (backend) and Spring Strong understanding of REST APIs, HTTPS, microservices, and message queues (MQ) Ability to design high-availability, scalable, and high-performance systems Very good knowledge of relational databases (SQL) Familiarity with CI/CD pipelines and Agile ways of working Knowledge of distributed systems and data processing Hands-on work with Kubernetes and cloud platforms (GCP preferred) Fluent Polish and English required Residing in Poland required Nice-to-have requirements Knowledge of Go, Rust, or similar system-level languages Experience with NoSQL and analytical databases, e.g., ClickHouse Frontend development experience Familiarity with the banking sector (trade lifecycle, FX, post-trade processing) Banking experience / FX experience (forex) Working from the office in Krakow 6 times per month 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!