Middle C++ Developer with Computer Vision

🏢 Summary: Full-time Senior .NET Developer role focused equally on maintaining legacy .NET Framework 4.8 backend systems and delivering AI/ML-powered product features. The position involves integrating AI APIs, owning services throughout their lifecycle, and collaborating asynchronously with a global team during 15:00–18:00 CET overlap hours. Flexible hybrid work is available, with occasional visits to the Gdańsk office. 🗂️ Requirements: 5+ years of professional .NET/C# experience, Experience with .NET Framework 4.8 production systems, Software architecture knowledge, Microservices and REST API knowledge, Async programming experience, AI/ML model or API integration experience, Cloud platform experience, Written communication and asynchronous collaboration skills, Availability for 15:00–18:00 CET US meeting overlap, Independent end-to-end problem ownership 📃 Skills: .NET, C#, Azure, Microservices, REST, AI, ML 🏢 Description: We are looking for a Senior .NET Developer who combines strong backend engineering skills with hands-on experience building AI/ML-powered features. You will split your time evenly between core .NET development, including maintaining and evolving legacy systems, and integrating AI capabilities into products. This role works across a globally distributed team spanning India and both US coasts. The role offers a flexible hybrid format, with occasional visits to the Gdańsk office approximately 1–2 times per month. Requirements • 5+ years of professional experience with .NET / C#, including working with .NET Framework 4.8 in legacy production systems • Solid understanding of software architecture, including microservices, REST APIs, and async patterns • Experience integrating AI/ML models or APIs into applications • Comfortable working across legacy .NET Framework systems • Experience with cloud platforms; Azure is preferred given the .NET stack • Strong written communication and asynchronous collaboration skills for a distributed, multi-time-zone team • Ability to work evening hours to accommodate US meetings: 15:00–18:00 CET • Ability to work independently and own problems end-to-end Nice to have • Python for ML/data workflows alongside .NET • Node.js / React for full-stack or frontend collaboration • Docker / Kubernetes for containerization and deployment • Strong grasp of SOLID principles and clean architecture practices • Experience with TDD (Test-Driven Development) • Familiarity with prompt engineering • Experience modernizing legacy .NET Framework applications, such as migration paths to .NET Core • Understanding of CI/CD pipelines Responsibilities • Design, build, and maintain backend services using .NET Framework 4.8 legacy systems • Architect and implement AI/ML-powered features, including LLM integrations, RAG pipelines, recommendation systems, or similar solutions • Integrate with AI APIs and platforms, such as OpenAI, Anthropic, Azure AI, or similar • Support existing .NET Framework 4.8 legacy applications • Own technical decisions across the full lifecycle: design, development, testing, deployment, and monitoring • Collaborate with product and data teams to translate designs into user-facing features • Coordinate effectively with teammates across India, East Coast, and West Coast time zones • Mentor other engineers and contribute to technical direction We offer • US and EU projects based on advanced technologies • Competitive compensation based on skills and experience • Regular performance appraisals to support growth • Flexible workspace: remote work or office work • Comprehensive medical insurance after one month • MultiSport card with access to 2,500 sports facilities across Poland • Bonuses for recommending new employees • Bonuses for article writing, public talks, and other activities • 15 vacation days, 10 national holidays, 10 sick leaves, and family days off • Personalized learning program tailored to interests and skill development • Free technical webinars and meetups • Welcome and anniversary presents, gifts for children, and more • Regular corporate events and meetups • Friendly and supportive community

🏢 Summary: Oferta kontraktowa B2B dla C++ Developera na poziomie Mid lub Senior, obejmująca rozwój, utrzymanie i optymalizację zaawansowanych aplikacji. Rola daje wpływ na rozwój produktu, decyzje techniczne oraz długofalową współpracę w modelu hybrydowym. 🗂️ Requirements: Minimum 3 lata komercyjnego doświadczenia w C++ na poziomie Mid lub 5+ lat na poziomie Senior, Bardzo dobra znajomość C++11/14/17, Doświadczenie w projektowaniu i rozwoju aplikacji wielowątkowych, Znajomość Linux i środowiska programistycznego Linux, Znajomość Git, Umiejętność analizy i rozwiązywania problemów technicznych, Znajomość dobrych praktyk programistycznych i Clean Code, Doświadczenie w Agile/Scrum, Płynna znajomość języka angielskiego 📃 Skills: C++, C++11, C++14, C++17, Linux, Git, Multithreading, CleanCode, Agile, Scrum 🏢 Description: C++ Developer (Mid / Senior) Kontrakt B2B Stawka: 900- 1300 MD B2B zależnie od doświadczenia Lokalizacja: Kraków – hybryda!!! Kogo szukamy? Do naszego zespołu poszukujemy doświadczonego C++ Developera (Mid lub Senior), który wesprze rozwój i utrzymanie zaawansowanych rozwiązań programistycznych. Szukamy osoby, która dobrze odnajduje się w pracy zespołowej, dba o jakość kodu i chce mieć realny wpływ na rozwój produktów. Jeśli cenisz sobie pracę z nowoczesnymi technologiami, lubisz rozwiązywać złożone problemy i rozwijać swoje kompetencje w środowisku technicznym – zapraszamy do aplikowania. Oczekiwania Minimum 3 lata doświadczenia komercyjnego (Mid) lub 5+ lat (Senior) w programowaniu w C++. Bardzo dobra znajomość standardów C++11/14/17 (mile widziane C++20). Doświadczenie w projektowaniu i rozwijaniu aplikacji wielowątkowych. Znajomość systemów Linux oraz środowiska programistycznego Linux. Umiejętność pracy z systemami kontroli wersji (Git). Doświadczenie w analizie i rozwiązywaniu problemów technicznych. Znajomość dobrych praktyk programistycznych oraz zasad Clean Code. Umiejętność pracy w metodykach Agile/Scrum. Płynna znajomość języka angielskiego. Zakres obowiązków Projektowanie, rozwój i utrzymanie aplikacji w języku C++. Tworzenie wydajnych i skalowalnych rozwiązań zgodnie z wymaganiami biznesowymi. Współpraca z zespołem programistów, QA oraz architektami. Udział w analizie wymagań i projektowaniu nowych funkcjonalności. Przeglądy kodu oraz dbanie o wysoką jakość wytwarzanego oprogramowania. Optymalizacja wydajności i rozwiązywanie problemów technicznych. Tworzenie i aktualizacja dokumentacji technicznej. Oferujemy Współpracę w modelu B2B. Atrakcyjne wynagrodzenie adekwatne do doświadczenia. Możliwość hybrydowej. Długofalową współpracę przy interesujących projektach. Pracę w doświadczonym i wspierającym zespole. Realny wpływ na rozwój produktu i decyzje techniczne. Możliwość rozwoju zawodowego oraz udziału w ambitnych projektach.

🏢 Summary: Remote B2B opportunity for a Senior C++ Developer to build and improve scalable, performance-critical trading and backend platforms. The role covers application and backend development, platform enhancement, security remediation, testing, and code/design reviews, with 5–6 hours of daily New York time-zone overlap required. Compensation is $45–65/hour, with no paid vacation. 🗂️ Requirements: 5+ years of commercial C++ experience, Object-oriented and low-level programming expertise, Multithreading, concurrency, and synchronization knowledge, Sockets, networking, and event-driven architecture knowledge, Windows native APIs and OS internals knowledge, Complex debugging experience, Database experience, Unit testing and code review practices, Strong analytical and problem-solving skills, Independent and international team collaboration ability, Computer Science or related degree, 5–6 hours daily overlap with New York time 📃 Skills: C++, Multithreading, Concurrency, Synchronization, Sockets, Networking, Windows, APIs, Databases, Debugging, Testing 🏢 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

🏢 Summary: Develop low-level real-time image-processing software for imaging and lighting equipment, operating between cameras and hardware on Linux/Yocto platforms. The role focuses on C/C++ development, image-chain processing, hardware interfaces, and collaboration with software, hardware, FPGA, and DevOps teams. 🗂️ Requirements: 3–5 years of enterprise C/C++ software development experience, ANSI C and modern C++ knowledge, Embedded systems architecture knowledge, Hardware/software interface knowledge, Inter-device communication protocol knowledge, Vision systems, driver development, and image-processing experience, Real-time processing, camera/sensor calibration, and image-stream manipulation experience, FPGA-based or custom hardware integration experience, Basic MATLAB and Python knowledge, Software development lifecycle, continuous integration, and Git experience, Master’s degree in computer science, information systems, or similar, English proficiency, written and spoken 📃 Skills: C, C++, Linux, Yocto, I2C, SPI, UART, Ethernet, FPGA, MATLAB, Python, Git, CI, LUTs, 3DLUTs 🏢 Description: Project A project for a major client in the film industry, specialising in imaging and lighting equipment solutions. Team-based work in the field of real-time image processing. Software operating between image sensors/lenses and the hardware layer, running on top of the operating system (Linux, Yocto) and drivers. We are looking for someone with a very good understanding of how images are processed, stored and transmitted at the low-level ‘image chain’ – excellent knowledge of registers and inter-process/inter-interface communication is required. Collaboration with other teams in the areas of software, hardware, FPGA and DevOps. Requirements: 3-5 years’ experience as a C/C++ software developer in an enterprise setting Experience with both ANSI C and modern C++ standards and specifications, Understanding of embedded system architectures and hardware/software interfaces, inter-device communication protocols such as I2C, SPI, UART or Ethernet, Experience in vision systems, drivers’ development, image processing (understanding of LUTs, 3DLUTs, filter kernels), real-time processing, camera/sensors calibration, image streams manipulation, Experience developing software interacting with FPGA-based or other custom hardware, effective collaboration with hardware, FPGA and embedded engineering teams, Basic knowledge about MATLAB and Python, Nice to have: experience with Linux kernel, microcontrollers, OS drivers, QT Experience with the whole software development lifecycle, processes and continuous integration, Git, Master’s degree in computer science, information systems, or similar. Excellent collaboration, time management and problem-solving skills, Excellent communication (English, written and spoken), nice to have: German

🏢 Summary: Full-time Senior Backend Developer role building a modern, large-scale enterprise platform for a global manufacturing customer. The position focuses on Node.js/TypeScript backend services, REST APIs, enterprise integrations, database design, and secure, scalable application delivery, with planned work through December 2026 and a possible extension to February 2027. 🗂️ Requirements: 7+ years of software development experience, 5+ years of Node.js backend development experience, TypeScript and JavaScript proficiency, RESTful API design and development knowledge, Enterprise-scale web application development experience, Software architecture and design patterns knowledge, Relational database experience, Secure coding and application security knowledge, Agile development experience, Advanced English, Availability for business trips to Basel, Switzerland 📃 Skills: Node.js, TypeScript, JavaScript, REST, PostgreSQL, SQL, Agile 🏢 Description: Svitla Systems Inc. is looking for a Senior Backend Developer (Node.js) for a full-time position (40 hours per week) in Europe . Our client is a leading multinational company in the building materials industry. You'll join the implementation of a large-scale enterprise web application for a global manufacturing customer. The project focuses on developing and implementing a modern enterprise platform that will replace an existing business application used across multiple countries. The backend solution will be built using modern technologies and integrated with various enterprise systems to support business-critical processes. The project's planned end date is December 18, 2026, with a possible extension to February 01, 2027. Requirements 7+ years of experience in software development. 5+ years of experience developing backend applications using Node.js. Strong knowledge of TypeScript and JavaScript. Understanding of designing and developing RESTful APIs. Experience with enterprise-scale web application development. In-depth understanding of software architecture principles and design patterns. Knowledge of relational databases (PostgreSQL, SQL Server, or similar). Understanding of secure coding practices and application security principles. Experience working in Agile software development environments. Strong analytical and problem-solving skills. Advanced English. Availability for business trips to Basel, Switzerland, during key project phases (Kick-off, end of Concept Phase, and Go-Live readiness review). Responsibilities Develop scalable backend services using Node.js and TypeScript. Implement RESTful APIs and backend business logic for enterprise web applications. Collaborate with architects to define technical solutions and application architecture. Participate in technical design sessions and solution discussions. Integrate backend services with internal and third-party enterprise systems. Design and optimize database structures, queries, and data models. Ensure application performance, scalability, reliability, and security. Write clean, maintainable, and well-tested code following engineering best practices. Participate in code reviews. Collaborate closely with Front End Developers, QA Engineers, Business Analysts, and DevOps Engineers. Participate in Agile ceremonies including sprint planning, daily stand-ups, reviews, and retrospectives. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Senior C++ Developer contract role for building and supporting high-performance, low-latency FX trading and risk-management systems in a hybrid Kraków setup. The role covers real-time, multi-threaded application development, production support, performance optimization, and collaboration with global agile teams. 🗂️ Requirements: 7+ years of professional C++ software development experience, Modern C++ expertise, Multi-threading and concurrency experience, Low-latency, real-time systems development experience, FX trading platforms and trade lifecycle process knowledge, Risk-management systems and financial-markets technology experience, Algorithms, data structures, object-oriented design, system architecture, and design patterns knowledge, Relational database experience, Messaging technology experience, CI/CD and DevOps experience, Microsoft Azure exposure, Enterprise production application support experience, Fluent English 📃 Skills: C++, Multithreading, Concurrency, Algorithms, Databases, MSSQL, Sybase, Oracle, IBMMQ, Kafka, GitLab, Azure, DevOps, CICD 🏢 Description: Location: Kraków, Poland (Hybrid – 3 days onsite per week) Experience: 8+ years Employment Type: B2B, Full-time Position Overview We are looking for an experienced Senior C++ Developer with strong FX domain expertise to join our technology team in Kraków. The end client is a leading global financial services organization specializing in wealth management, investment banking, and asset management, with a strong focus on innovation, technology, and delivering secure, high-performance solutions for global markets. The ideal candidate will have deep experience in building high-performance, low-latency, real-time systems and a strong understanding of foreign exchange (FX) trading platforms, lifecycle processes, and risk management systems . You will work on mission-critical applications, designing and developing scalable solutions that support complex financial workflows in a fast-paced trading environment. Key Responsibilities Design, develop, and maintain high-performance C++ applications for FX trading and risk management platforms. Build and optimize low-latency, multi-threaded, real-time systems . Work closely with business, product, and technology teams to deliver robust trading solutions. Apply strong knowledge of algorithms, data structures, and system design principles to solve complex technical challenges. Develop and enhance applications supporting FX trade lifecycle processes. Troubleshoot production issues and provide L3 application support . Participate in incident management, root cause analysis, and performance optimization. Implement best practices around software development, testing, deployment, and CI/CD processes. Collaborate with global teams in an agile development environment. Required Skills & Experience 7+ years of professional software development experience with strong C++ expertise. Extensive experience with: Modern C++ development Multi-threading and concurrency Low-latency application development Real-time systems Performance optimization and troubleshooting Strong domain experience in: FX trading platforms FX lifecycle processes Risk management systems Financial markets technology Excellent understanding of: Algorithms Data structures Object-oriented design System architecture and design patterns Hands-on experience with relational databases such as: MS SQL Server Sybase Oracle Experience with messaging technologies: IBM MQ Kafka Experience with CI/CD and DevOps practices, preferably: GitLab CI/CD Automated build and deployment pipelines Exposure to Microsoft Azure cloud technologies. Experience supporting production applications in enterprise environments. Strong analytical and problem-solving skills. Excellent verbal and written communication skills. Fluent English communication skills. Preferred Qualifications Previous experience working in investment banking, capital markets, or financial technology environments. Knowledge of trading protocols, market data systems, or electronic trading platforms. Experience improving application performance and reducing latency in mission-critical systems.

🏢 Summary: Full-time Senior Full Stack Developer role focused on building React and TypeScript interfaces, BFF services, and integrations with APIs, LLMs, and streaming endpoints. The position covers scalable frontend architecture, performance and resilience, and delivery of product features from prototype to production, with office work expected 2–3 days per week. 🗂️ Requirements: Strong hands-on TypeScript experience, Several years of software engineering experience, Strong React and modern frontend tooling experience, Frontend unit and integration testing experience, API design and development with NestJS and Node.js, Understanding of server-side rendering, Server Components, CDN strategies, and caching, Software architecture, clean code, and system design knowledge, Ability to work effectively amid uncertainty, Docker, Git, CI/CD, and Azure experience 📃 Skills: TypeScript, React, NestJS, Node.js, Docker, Git, CI/CD, Azure, Testing, SSR, CDN, Caching 🏢 Description: Role overview Svitla Systems Inc. is looking for a Senior Full Stack Developer for a full-time position (40 hours per week) in Kraków, Poland. Our client is a British wholesale distributor. You will be responsible for building user interfaces with TypeScript and React, developing and maintaining BFF services, integrating APIs and LLM services, designing scalable frontend architecture, optimizing application performance and user experience, implementing error handling and resilience patterns, and collaborating with product and engineering teams to deliver features from prototype to production. Office work is expected 2-3 days per week. Responsibilities Building user interfaces using TypeScript and React. Building and maintaining Backend for Frontend (BFF) services to orchestrate API calls and shape data for user interface needs. Integrating APIs, LLM services, and streaming endpoints to deliver product features. Designing and implementing scalable and maintainable frontend architecture. Ensuring performance, responsiveness, and optimal user experience across the application. Implementing error handling, loading states, and resilience patterns for distributed systems. Collaborating with product and engineering teams to bring concepts from prototype to production. Requirements Strong hands-on experience with TypeScript development. Several years of experience in software engineering, ideally with a strong focus on React and modern frontend development tools. Experience with frontend testing, including unit and integration testing. API design and development experience using NestJS and Node.js. Understanding of server-side rendering, Server Components, CDN strategies, and caching. Solid understanding of software architecture, clean code, and system design. Ability to work effectively in environments with a high degree of uncertainty and take a pragmatic, solution-oriented approach to problem-solving. Experience with Docker, Git, CI/CD, and Azure. Nice to Have Knowledge of GraphQL APIs. Experience with state management libraries (e.g. Zustand, React Query). Familiarity with Python, particularly in the context of working with backend services or AI-powered systems. Experience building data-intensive or real-time user interfaces. Familiarity with designing user experiences for AI-powered features or non-deterministic outputs. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in the workspace, either remote or in our welcoming office. Comprehensive medical insurance after one month. MultiSport card with access to 2500 sports facilities all over Poland Bonuses for recommendations of new employees. Bonuses for article writing, public talks, and other activities. 15 vacation days, 10 national holidays, 10 sick leaves, and family days off. Personalized learning program tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Welcome and anniversary presents, gifts for children, and more. Regular corporate events and meetups. Awesome team, friendly and supportive community!