June 24, 2026
Middle/Senior C++ Software Engineer
Senior • Remote
960 - 1,200 PLN
Warsaw, Poland
Do zespołu rozwijającego rozwiązania backendowe i data-processing poszukujemy Middle/Senior C++ Software Engineer, który posiada doświadczenie w tworzeniu skalowalnych aplikacji serwerowych oraz systemów przetwarzania danych.
Szukamy osoby, która dobrze czuje się w środowisku backendowym, zna nowoczesny C++ i potrafi pracować nad rozwiązaniami o wysokiej wydajności oraz niezawodności.
Twoje zadania:
Tworzenie i rozwój backendowych aplikacji w C++
Projektowanie i rozwój skalowalnych systemów przetwarzania danych
Implementacja rozwiązań serwerowych i usług API
Optymalizacja wydajności oraz stabilności aplikacji
Praca z systemami rozproszonymi i środowiskiem Linux
Współpraca z międzynarodowym zespołem
Wymagania:
4–5+ lat komercyjnego doświadczenia w C++ (C++14/17 lub nowszy)
Doświadczenie w backend development oraz systemach data-processing
Bardzo dobra znajomość zasad OOP i dobrych praktyk inżynierii oprogramowania
Doświadczenie w tworzeniu skalowalnych aplikacji
Znajomość Linux oraz narzędzi developerskich
Wiedza z zakresu wielowątkowości i programowania współbieżnego
Doświadczenie z API, usługami danych lub systemami rozproszonymi
Komunikatywny język angielski umożliwiający współpracę międzynarodową
Oferujemy:
Pracę przy zaawansowanych rozwiązaniach backendowych i data
Możliwość pracy zdalnej
Współpracę z międzynarodowym zespołem ekspertów
Stabilne, długoterminowe projekty
Atrakcyjne warunki współpracy dopasowane do doświadczenia
Możliwość rozwoju technologicznego i pracy z nowoczesnym C++
Similar jobs you might like
Technology
Link Group
Senior Fullstack Developer
Senior
Remote
Warsaw, Poland
110 - 140 PLN
🏢 Summary: Senior Software Engineer role focused on designing and developing scalable backend and fullstack applications using modern C++ in Linux environments. The position involves performance optimization, concurrency, and cloud-native technologies while contributing to high-impact product features. It requires strong ownership, collaboration, and the ability to work across diverse technologies including cloud and DevOps tools. 🗂️ Requirements: 6+ years of C++ development experience, Strong knowledge of multithreading, Strong knowledge of memory management, Experience with performance optimization, Experience developing backend systems, Experience with REST APIs, Experience working in Linux environments, Ability to design and maintain scalable systems, Bachelor’s degree in STEM field 📃 Skills: C++, Linux, REST, Multithreading, AWS, Python, Go, Terraform, CloudFormation, GitHub, Jenkins, Artifactory, Ansible 🏢 Description: Senior Software Engineer – C++ We are looking for a talented Senior Software Engineer to join our team. This role is ideal for someone with deep experience in C++ development , backend skills, and exposure to cloud-native technologies. You will work on challenging projects, contribute to high-impact features, and help shape the future of our products. What You’ll Do Design, develop, and maintain scalable backend systems in C++ (modern C++ preferred) Work on fullstack applications , including REST API-based backend services Optimize software for performance, concurrency, and memory efficiency Develop and maintain applications in Linux environments Take ownership of technical tasks, delivering high-quality results independently Collaborate closely with cross-functional teams, contributing to design and technical discussions Explore new technologies and expand beyond your primary stack, including Python, Go, and AWS Apply a product-focused mindset, understanding the business impact of your technical decisions What We’re Looking For 6+ years of hands-on experience in C++ development Solid understanding of multithreading, memory management, and performance optimization Strong experience contributing to complex features with exposure to diverse technologies Proven ability to work effectively in a team and communicate clearly Experience with Linux-based systems and development in Linux environments Self-motivated, independent, and capable of delivering results with limited supervision Bachelor’s degree in Science, Technology, Engineering, or a related field Nice to Have Experience with Go and/or Python Knowledge of cloud-native development and Infrastructure-as-Code tools (Terraform, CloudFormation) Background in enterprise-scale applications or AWS serverless architectures Familiarity with networking protocols, security best practices, and database systems Experience with modern CI/CD pipelines (GitHub, Jenkins, Artifactory, Ansible)
Technology
Shimi Sp. z o.o.
Senior Software Engineer (f/m/n)
Senior
Remote
Warsaw, Poland
🏢 Summary: Remote B2B opportunity for a Senior Software Engineer focused on developing complex, high-performance systems in modern C++ within Linux environments. The role involves contributing to product-level features, collaborating across teams, and working with cloud and backend technologies. Long-term cooperation with flexibility on financial expectations and start date. 🗂️ Requirements: 6+ years of hands-on experience in C++ development, Strong knowledge of modern C++, Experience with multithreading, Understanding of memory management, Experience with performance optimization, Strong understanding of Linux-based systems, Experience developing in Linux environment, Ability to deliver complex technical features, Bachelor’s degree in Science, Technology, Engineering or related field 📃 Skills: C++, Linux, Multithreading, MemoryManagement, PerformanceOptimization, Python, Go, AWS, Terraform, CloudFormation, REST, CI/CD, GitHub, Jenkins, Artifactory, Ansible, Networking, Security, Databases 🏢 Description: For our client, we are looking for a Senior Software Engineer (f/m/n). Qualifications 6+ years of hands-on experience in C++ development (modern C++ preferred) with a solid understanding of multithreading, memory management, and performance optimization Strong experience contributing to complex features with a good product-level understanding and exposure to diverse technologies Proven ability to collaborate effectively within a team, actively participating in technical discussions and supporting delivery across multiple contributors Strong understanding of Linux-based systems and experience developing in a Linux environment (user level) Demonstrated ability to take ownership of well-defined technical tasks and drive them to completion with high quality Strong interpersonal skills with the ability to communicate clearly, collaborate effectively, and contribute confidently in professional discussions Proven ability to quickly learn and adapt to new technologies, taking on tasks with a proactive, can-do attitude and a willingness to expand beyond the core tech stack, including Python, AWS and Go Highly self-managed and independent, capable of delivering results with limited supervision while aligning with broader team goals Bachelor’s degree in Science/Technology/Engineering or a related field How will you stand out from the crowd Experience with Go and/or Python programming languages Experience with cloud-native development and infrastructure-as-code tools (e.g., Terraform, CloudFormation) Experience in enterprise-scale application development in cloud or SaaS environments (AWS serverless architecture is a definite advantage) Experience in building fullstack applications, including REST API-based backend systems and modern frontend interfaces Familiarity with networking protocols, security principles, and database systems Experience with modern CI/CD pipelines, such as GitHub, Jenkins, Artifactory, and Ansible We offer: Work model: remote Contract type: B2B with SHIMI Long-term cooperation We are open to the candidate’s financial expectations Start: ASAP (up to 1 month notice)
Technology
sourcingNOW
Senior C++ Developer
Senior
Hybrid
Warsaw, Poland
🏢 Summary: Senior C++ Developer role focused on building and optimizing a large-scale embedded multimedia platform used globally. The position involves working with a multi-million-line codebase, enhancing system components, and contributing to scalable and secure architecture. This role offers direct impact on the quality and architecture of a global embedded product. 🗂️ Requirements: Minimum 5 years of professional experience in C++ development, Practical experience with UNIX/Linux systems, Strong understanding of object-oriented programming, Knowledge of software design principles, Experience in designing scalable solutions, Ability to diagnose and resolve performance and system-level issues 📃 Skills: C++, Linux, UNIX, OOP, Embedded, Debugging 🏢 Description: O firmie: Naszym klientem jest międzynarodowa firma technologiczna rozwijająca zaawansowane rozwiązania software’owe wykorzystywane w urządzeniach elektronicznych oraz systemach cyfrowych dostępnych globalnie. Organizacja tworzy i rozwija skalowalne platformy, które integrują treści, oprogramowanie i technologie komunikacyjne, wpływając na sposób korzystania z usług multimedialnych przez użytkowników końcowych. Firma działa w modelu produktowym, w środowisku międzynarodowym, łącząc kompetencje inżynierskie z podejściem nastawionym na jakość, bezpieczeństwo i długofalowy rozwój technologii. Zespoły pracują w rozproszonej strukturze, współpracując przy projektach o dużej skali i wysokim poziomie złożoności technicznej. O stanowisku: Poszukujemy doświadczonej osoby na stanowisko Senior C++ Developer , która dołączy do zespołu rozwijającego zaawansowaną platformę embedded wykorzystywaną w urządzeniach multimedialnych. Rola zakłada pracę nad dużym, wielomilionowym repozytorium kodu, rozwój i optymalizację komponentów systemowych oraz współtworzenie skalowalnego i bezpiecznego środowiska dla globalnego produktu technologicznego. To stanowisko dla osoby, która chce mieć realny wpływ na architekturę i jakość rozwiązania wykorzystywanego przez miliony użytkowników. Do Twoich zadań należeć będzie: Projektowanie, rozwijanie i utrzymywanie wydajnego kodu w C++, Analiza i eliminowanie błędów wydajnościowych oraz systemowych, Dbanie o jakość kodu, jego organizację oraz automatyzację procesów, Udział w przeglądach kodu i przeglądach architektury, Implementacja specyfikacji technicznych i współpraca przy ich tworzeniu, Współpraca z zespołami międzynarodowymi (Europa, USA, Azja), Rozwój oprogramowania dla systemów opartych o UNIX/Linux oraz środowisk embedded. Szukamy osoby, która… Posiada min. 5 lat doświadczenia zawodowego w programowaniu (C++), Ma praktyczne doświadczenie w środowisku UNIX/Linux, Bardzo dobrze rozumie programowanie obiektowe i zasady projektowania oprogramowania, Potrafi projektować i rozwijać skalowalne rozwiązania, Sprawnie diagnozuje i rozwiązuje problemy techniczne, Dobrze odnajduje się w dynamicznym, produktowym środowisku, Komunikuje się w języku angielskim (min. B2) – praca w środowisku międzynarodowym, Mile widziane: Znajomość Python lub JavaScript, Doświadczenie z systemami embedded (Linux/Android), Praktyka w debugowaniu systemów wbudowanych. Co oferuje nasz klient: Udział w rozwoju globalnego produktu technologicznego o dużej skali, Pracę w międzynarodowym środowisku i współpracę z doświadczonym zespołem inżynierów, Realny wpływ na architekturę i kierunek rozwoju platformy, Możliwość pracy przy nowoczesnych rozwiązaniach embedded i systemach multimedialnych, Stabilną współpracę w oparciu o długofalowy projekt technologiczny, Konkurencyjne warunki finansowe i pakiet benefitów adekwatny do poziomu stanowiska. Zatrudnienie w oparciu o kontrakt B2B lub umowę o pracę Osoby zainteresowane prosimy o przesłanie aplikacji przed formularz poniżej. Zastrzegamy sobie możliwość odpowiedzi tylko na wybrane aplikacje.
Technology
RITS Professional Services
Senior C++ Developer (Windows)
Senior
Remote
Warsaw, Poland
45 - 65 USD/hr
🏢 Summary: B2B remote contract for a Senior C++ Developer to design, build, and enhance high-performance trading and backend platforms. The role focuses on developing scalable, performance-critical systems and improving an existing technology stack in an international environment. Requires daily overlap with the New York time zone. 🗂️ Requirements: 5+ years commercial experience with C++, Strong knowledge of object-oriented programming, Strong knowledge of low-level programming concepts, Experience with multithreading, Understanding of concurrency and synchronization, Experience with sockets and networking, Knowledge of event-driven architectures, Experience with Windows native APIs, Understanding of OS internals, Experience debugging memory leaks, race conditions, deadlocks, stack corruption, Experience with unit testing, Experience participating in code reviews, Experience working with databases 📃 Skills: C++, OOP, LowLevel, Multithreading, Concurrency, Synchronization, Sockets, Networking, EventDriven, Windows, WinAPI, OSInternals, Debugging, Databases, UnitTesting 🏢 Description: We are looking for an experienced Senior C++ Developer to join our client’s engineering team and help build and enhance next-generation trading and backend platforms . This is an opportunity to work on highly scalable, performance-critical systems in an international environment where technology plays a central role in modern financial markets. B2B contract – salary range: $45–65/hour (no paid vacation included) 100% remote job 5–6 hours daily overlap with the New York time zone is required Responsibilities: C++ application development Participate in application design and implementation Enhancement of existing technological platform Identification and resolution of security vulnerabilities Development of back-end services Design and write unit tests Participate in code and design reviews Requirements: 5+ years of commercial experience with C++ Strong knowledge of object-oriented and low-level programming concepts Solid understanding of: multithreading concurrency and synchronization sockets and networking event-driven architectures Windows native APIs and OS internals Experience with debugging complex issues such as memory leaks, race conditions, deadlocks, and stack corruption Good understanding of software engineering best practices, including unit testing and code reviews Experience working with databases Strong analytical and problem-solving skills Ability to work independently and collaboratively within international teams Degree in Computer Science or a related field Nice to Have: Experience in the financial industry, especially Fixed Income Knowledge of Python scripting JavaScript experience Understanding of communication protocols and network programming fundamentals
Technology
EPAM Systems
Senior C++ Engineer
Senior
Remote
Warsaw, Poland
🏢 Summary: Senior C++ Engineer role focused on transforming ML and data science prototypes into high-performance, production-grade C++ applications for real-time, resource-constrained and cloud environments. The position involves optimizing, containerizing and deploying deterministic, low-latency systems with strong emphasis on reliability, performance and CI/CD practices. The offer includes flexible remote work within Poland, career development programs and comprehensive benefits. 🗂️ Requirements: 5+ years of experience in modern C++ (C++17/C++20), Strong knowledge of multithreading, concurrency and synchronization in Linux, Experience developing deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU and memory usage in Linux, Ability to write unit and automated tests, Experience debugging low-level communication issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines, Familiarity with Agile tools (Azure DevOps, JIRA, Confluence, Bitbucket), Fluent English (B2+ level) 📃 Skills: C++, C++17, C++20, Linux, Multithreading, Concurrency, CMake, Conan, Docker, CI/CD, Azure, JIRA, Confluence, Bitbucket, Python, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, Bash, Kubernetes, TCP/IP, systemd 🏢 Description: We are seeking a Senior C++ Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior C++ Engineer
Senior
Remote
Katowice, Poland
🏢 Summary: Senior C++ Engineer role focused on transforming Python-based research and machine learning prototypes into high-performance, production-grade C++ applications for real-time and resource-constrained environments. The position involves optimizing, containerizing and deploying reliable systems across edge and scalable cloud platforms. You will collaborate closely with data science teams to deliver deterministic, low-latency solutions with strong CI/CD and quality standards. 🗂️ Requirements: 5+ years of modern C++ development (C++17/C++20), Strong knowledge of multithreading, concurrency and synchronization in Linux, Experience building deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU and memory usage in constrained Linux environments, Ability to write unit and automated tests, Experience debugging low-level communication and performance issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines, Familiarity with Agile tools (Azure DevOps, JIRA, Confluence, Bitbucket), Fluent English (B2+ level) 📃 Skills: C++, C++17, C++20, Linux, CMake, Conan, Docker, CI/CD, Azure, JIRA, Confluence, Bitbucket, Python, Kubernetes, Bash, TCP/IP, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, .NET, C# 🏢 Description: We are seeking a Senior C++ Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Senior C++ Engineer
Senior
Remote
Poznan, Poland
🏢 Summary: The offer is for a Senior C++ Engineer to transform research-grade ML and data processing prototypes into high-performance, production-ready C++ systems for real-time and resource-constrained environments. The role focuses on optimizing, deploying and maintaining reliable, low-latency applications across edge devices and scalable cloud platforms. You will collaborate closely with Data Scientists to bridge the gap between prototype workflows and hardened production solutions. 🗂️ Requirements: 5+ years of modern C++ development (C++17/C++20), Strong knowledge of multithreading, concurrency and synchronization in Linux, Experience building deterministic, low-latency real-time systems, Proficiency with CMake and Conan package management, Experience profiling and optimizing CPU and memory usage in Linux, Ability to write unit and automated tests, Experience debugging low-level communication issues, Hands-on experience with Docker in Linux production environments, Experience with CI/CD and release pipelines, Familiarity with Agile tools (Azure DevOps, JIRA, Confluence, Bitbucket), Fluent English (B2+ level) 📃 Skills: C++, C++17, C++20, Linux, CMake, Conan, Docker, CI/CD, Azure, JIRA, Confluence, Bitbucket, Python, MQTT, ZeroMQ, ProtoBuf, Kafka, HTTP, Bash, Kubernetes, TCP/IP, .NET, C# 🏢 Description: We are seeking a Senior C++ Engineer to collaborate with Data Scientists and Machine Learning experts in transforming prototype algorithms into hardened, reliable, production-grade applications. In this role, you will convert research workflows into high-performance C++ systems capable of running on resource-constrained hardware or scalable cloud environments. Responsibilities Collaborate closely with Data Scientists and Machine Learning experts to turn prototype algorithms and data processing pipelines into hardened, reliable, production-grade "always-on" applications written in C++ Conversion of research and prototype ML/data-processing workflows (primarily Python-based) into high-performance, reliable C++ production systems Implementation of data quality safeguards, sanitization and required low-level interfaces for real-time inference on streaming data Optimization of code for predictable behavior, high reliability and efficient resource utilization (compute/memory/storage) on resource-constrained environments Support the development of high-performance, high-reliability solutions capable of running on resource-constrained hardware or in cost-effective, highly-scalable cloud applications Translation of real-world process dynamics, sensor behavior and system constraints into realistic online control solutions Documentation and communication of assumptions, results, limitations, risks and deployment considerations for discussion with the broader technical audience Requirements 5+ years of experience in modern C++ software development using C++17/C++20 Understanding of multithreading, concurrency, synchronization and performance optimization in Linux environments Background in developing deterministic, low-latency software for real-time systems Proficiency in CMake, modern C++ build systems and Conan package management for C++ Skills in profiling and optimizing CPU/memory utilization in constrained Linux environments Competency in writing unit tests and automated tests Proven capability to debug low-level communication issues and optimize performance under constrained environments Hands-on expertise designing, deploying and debugging containerized applications using Docker in Linux production environments Experience with CI/CD & Release pipelines: multi OS runners, artifact signing, SBOMs/vulnerability scanning Familiarity with Agile toolsets such as Azure DevOps, Atlassian tools like Confluence, JIRA and Bitbucket Fluent English communication skills at a B2+ level Nice to have Capability to independently deploy and manage cloud-native or edge-native microservices in Linux environments Flexibility to work closely with research, data science and platform engineering teams to bridge prototype and production environments Skills in Python and C++ interoperability Familiarity with industry IoT standards and protocols such as MQTT/SparkplugB, ZeroMQ, ProtoBuf, Kafka and HTTP Expertise in Linux, Bash/Shell scripting, Docker, TCP/IP networking, Kubernetes, systemd, logging, OTA/rollback strategies and advanced debugging techniques Background in deploying software in industrial environments, including remote diagnostics and field support Familiarity with .NET/C# We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
iTeamly
Staff / Senior Java Developer
Senior
Remote
Krakow, Poland
19,500 - 29,500 PLN
🏢 Summary: Senior Backend Engineer role focused on designing and developing scalable, reliable backend services using Java. The position involves working in a cross-functional team to build high-performance systems, improve architecture, and support CI/CD and production environments. 🗂️ Requirements: 5+ years Backend Engineering experience, Strong Java proficiency, Solid knowledge of databases and SQL, Experience with RESTful APIs, Experience with microservices architecture, Experience with high-load systems, Experience with Docker and Kubernetes, Experience with AWS or GCP, Knowledge of CI/CD pipelines, Understanding of Agile practices 📃 Skills: Java, SQL, REST, Microservices, Docker, Kubernetes, AWS, GCP, CI/CD, Golang, Python 🏢 Description: We are looking for a Senior Backend Engineer with strong Java experience to help us design and develop scalable solutions. You will work in a cross-functional team, building reliable services and contributing to the continuous improvement of our systems. This role is ideal for someone who enjoys solving complex problems and driving technical excellence. 💼 Responsibilities: Design, develop, and maintain backend features and services. Collaborate with teams to define requirements and integrate systems. Ensure performance, scalability, and reliability of applications. Contribute to CI/CD processes and support production systems. Write clear documentation and share knowledge within the team. ✅ Requirements: 5+ years of experience as a Backend Engineer, with strong Java skills (Golang/Python is a plus). Solid understanding of databases and SQL. Experience with RESTful API design, microservices, and high-load systems. Familiarity with Docker, Kubernetes, and cloud environments (AWS/GCP). Knowledge of CI/CD pipelines and Agile practices. Strong problem-solving and communication skills. 🎁 We offer: Stable employment in a fast-growing company. Flexible and remote-friendly working model. Health and wellbeing benefits. Learning and development opportunities. Modern equipment and comfortable work environment.
Technology
Dawid Wierciak Flow to Grow
Senior C++ Developer
Senior
Remote
Krakow, Poland
120 - 150 PLN/hr
🏢 Summary: Senior C++ Developer role focused on building production-grade commercial software using modern C++ and MFC across the full software development lifecycle. The position involves software design, implementation, testing, code reviews, and performance optimisation in collaboration with an experienced engineering team. The offer includes long-term remote cooperation on a B2B contract. 🗂️ Requirements: Strong commercial experience with modern C++, Experience with MFC, Strong understanding of Object-Oriented Programming, Knowledge of SOLID principles, Experience with Microsoft SQL Server, Experience with query optimisation and execution plan analysis, Experience implementing and maintaining unit tests, Knowledge of software design patterns, Experience with performance profiling and optimisation, Experience delivering production-quality software, Experience working within the SDLC, English level B2/C1 📃 Skills: C++, MFC, SQL, SQLServer, OOP, SOLID, STL, Concurrency, Templates, UnitTesting, SDLC, C#, .NET 🏢 Description: Join an established software development team building production-grade commercial software. As a Senior C++ Developer, you'll work with modern C++ and MFC, contributing across the full software development lifecycle—from design and implementation to testing and delivery. You'll collaborate with experienced engineers, participate in code reviews and technical discussions, and help deliver high-quality software while driving continuous improvement. Requirements Strong commercial experience with modern C++ (C++11 and newer) , including memory management, templates, concurrency, and the C++ Standard Library Experience with MFC (Microsoft Foundation Class Library) Strong understanding of Object-Oriented Programming, including: SOLID principles encapsulation inheritance polymorphism Experience with Microsoft SQL Server, including query optimisation and execution plan analysis Experience implementing and maintaining unit tests across UI, back-end services, and database layers Knowledge of software design patterns Experience with performance profiling and optimisation techniques Experience delivering maintainable, production-quality software in a commercial environment Experience working within the Software Development Life Cycle (SDLC), including code reviews, design discussions, and collaborative delivery English at B2/C1 level Nice to Have Experience with C# Experience with the .NET ecosystem , particularly in cross-language integration or tooling We Offer B2B contract 120–150 PLN/h 100% remote work Long-term cooperation Immediate start Recruitment Process Recruitment screening Interview with the client Final decision
Technology
PKO BP Finat
Programista C++
Senior
Hybrid
Warsaw, Poland
🏢 Summary: Senior C++ Developer role focused on designing and developing high-performance, scalable and modular software solutions using modern C++ standards. The position involves code optimization, debugging, testing, and maintaining high engineering quality within a collaborative team environment. Hybrid B2B contract with partial on-site work in Warsaw. 🗂️ Requirements: Advanced proficiency in C++ (C++17/C++20), Experience in designing modular and scalable architectures, Knowledge of SOLID principles and design patterns, Proficiency with CMake and Git, Experience with GCC, Clang or MSVC compilers, Experience with gdb or lldb debuggers, Experience in debugging, profiling and optimization (CPU, memory, multithreading), Experience in unit and integration testing, Experience with static code analysis tools, Ability to participate in code reviews and architectural reviews 📃 Skills: C++, CMake, Git, GCC, Clang, MSVC, gdb, lldb, SOLID, Multithreading, Profiling, Debugging, Testing, GO 🏢 Description: Do naszego zespołu poszukujemy 1 osoby na stanowisko Programista C++ Senior Wymagania: Zaawansowana biegłość w programowaniu w C++ (C++17/C++20) oraz praktyczna umiejętność tworzenia wydajnego, bezpiecznego i czytelnego kodu Umiejętność projektowania i rozwijania modularnych, skalowalnych rozwiązań, z uwzględnieniem zasad SOLID, wzorców projektowych i dobrych praktyk inżynierskich Swobodne posługiwanie się narzędziami deweloperskimi: CMake, Git, kompilatorami (GCC/Clang/MSVC), debuggerami (gdb/lldb) oraz narzędziami do analizy jakości i wydajności kodu znajomość GO będzie dodatkowym atutem Doświadczenie w debugowaniu, profilowaniu i optymalizacji aplikacji (CPU, pamięć, wielowątkowość) Umiejętność tworzenia i utrzymywania testów jednostkowych i integracyjnych oraz dbałość o jakość kodu (testy, code review, analiza statyczna) Zdolność analitycznego myślenia, diagnozowania problemów i podejmowania trafnych decyzji technicznych Samodzielność w realizacji powierzonych zadań przy jednoczesnej umiejętności efektywnej pracy zespołowej Umiejętność jasnej komunikacji technicznej, dokumentowania rozwiązań oraz udziału w przeglądach architektury i kodu Odpowiedzialność za jakość dostarczanego oprogramowania i świadomość wpływu własnej pracy na cały system Oferujemy: - kontrakt B2B - model pracy hybrydowy z Warszawy, ul. Chmielna 89. Częstotliwość pracy w biurze: 2 razy w tygodniu.