Software Engineer – UI & Integration Tools (Python & C++)

🏢 Summary: Backend Python Developer role focused on building and optimizing internal tooling that automates satellite testing and space-to-ground interface processes. The position involves developing CI/CD pipelines, supporting satellite testing campaigns, and deploying and monitoring backend systems in Linux-based environments. The role combines backend development with automation, containerization, and database management. 🗂️ Requirements: Minimum 2 years of experience in application development, Bachelor’s degree in Computer Science or related field or equivalent experience, Proficiency in Python, Experience with Git, Experience with CI/CD methodologies, Experience with relational databases, Knowledge of PostgreSQL, Knowledge of TimescaleDB, Experience with Docker, Comfortable working in Linux environment 📃 Skills: Python, Git, CI/CD, PostgreSQL, TimescaleDB, Docker, Linux, SQL, Backend 🏢 Description: We’re looking for a Backend Python developer interested in optimizing our internal Python tooling, which automates the processes of defining space-to-ground interfaces between Creotech’s satellites and Mission Control. Responsibilities Build tooling for satellite testing & operations; Automate testing, validation & build processes using CI/CD Participate in satellite testing campaigns in our satellite laboratory and remote locations (all the way to the SpaceX integration facility); Write clean, efficient, well-documented and testable code; Employ version control tools (e.g., Git) and containerization technologies (e.g., Docker) to ensure robust and scalable development workflows; Manage software engineering fundamentals, including documentation, version control, and team collaboration; Identify and resolve bugs and issues; Deploy and monitor developed systems. Qualification Minimum of 2 years of experience in application development; Bachelor’s degree in Computer Science or a related field or equivalent experience. Experienced with Git Experienced CI/CD methodology; Proficient in Python and familiar with other backend technologies. Experienced with relational databases (PostgreSQL, TimescaleDB) Familiar with containerization (Docker). Comfortable working in a Linux environment. Proficiency in English. Nice to have Familiarity with DevOps practices and infrastructure as code (e.g., Terraform, Ansible). Familiarity with aerospace industry and standards (e.g. UAV protocols, CCSDS, ECSS). Knowledge of cloud platforms such as AWS, Azure, or GCP. We offer Work in a friendly, well-coordinated team of enthusiasts Stable employment in a modern company with an established market position Attractive salary and benefits package (e.g., private medical care, sports card) Opportunities for professional development and participation in innovative projects

🏢 Summary: Development and maintenance of a C++/Qt desktop application supporting airport operations systems, including integration with external hardware and real-time data sources. The role involves contributing to system architecture, ensuring high code quality, and collaborating with international teams. The position requires strong expertise in real-time systems and software engineering best practices. 🗂️ Requirements: Minimum 5 years of commercial experience in C++, Commercial experience with Qt framework, Experience with real-time systems, Strong knowledge of software engineering best practices, Understanding of design patterns and SOLID principles, Experience with software testing, Ability to design and contribute to system architecture, Fluent English (written and spoken) 📃 Skills: C++, Qt, OOP, SOLID, Testing, Git, Real-time, Desktop, Integration 🏢 Description: Requirements: Minimum 5 years of commercial experience in C++ programming and working with the Qt framework. Strong knowledge of C++ and hands-on experience with Qt. Experience working with real-time systems. Solid understanding of software engineering best practices (design patterns, SOLID principles, testing). Ability to work independently and take responsibility for functionalities. Proactivity, engagement, and excellent communication skills. Experience in a team leader role is a plus. Fluent English (both written and spoken) is required for working in an international team. Responsibilities: Development and maintenance of a desktop application in C++/Qt for systems supporting airport operations. Integration with external systems such as radars, GPS, cameras, and sensors. Collaboration with international teams (development, QA, analysts). Ensuring code quality, testability, and stability of the solution. Contributing to the design and architecture of the system. We offer: Flexible working hours Hybrid work options (Office in Wrocław) Medical care program MultiSport Integrations events A contract of employment or self-employment, depending on You

🏢 Summary: Space Engineer role focused on mission analysis and early-phase mission design for space missions. Responsibilities include orbital maneuver planning, trajectory optimization, feasibility studies, and system-level trade-offs, with tool development primarily in Python. The position involves close collaboration with multidisciplinary teams and presenting technical results to clients and partners. 🗂️ Requirements: Minimum 5 years of professional experience in Mission Analysis, Basic understanding of orbital mechanics, Knowledge of systems engineering principles, Professional experience with Python, Ability to perform mission analysis and trajectory optimization, Experience conducting feasibility and trade-off studies 📃 Skills: Python, STK, GMAT, FreeFlyer, Orekit, Astropy, Poliastro, OrbitalMechanics, MissionAnalysis, TrajectoryOptimization, SystemsEngineering 🏢 Description: We’re looking for Space Engineers to join our team. Depending on your experience and interests, you’ll work across Mission Analysis and Early Mission Design. What You’ll Work On Mission analysis (lifetime, coverage, revisit time, performance assessments) Orbital maneuver planning and trajectory optimization Early-phase mission design and concept development Feasibility studies for new mission concepts System-level trade-off studies to support key design decisions Presenting results to clients, consortium partners, and ESA Close collaboration with system engineers and domain experts (AOCS, mechanical, thermal, electronics, etc.) Building and improving internal tools (primarily in Python) What We’re Looking For Strong initiative and hands-on problem-solving mindset Broad engineering curiosity and willingness to learn across domains Basic understanding of orbital mechanics and systems engineering Experience with Python At least 5 years of professional experience in Mission Analysis Nice to Have Experience with STK or similar tools (GMAT, FreeFlyer) Familiarity with astrodynamics libraries (Orekit, Astropy, Poliastro) Why Join Us Real impact on cutting-edge space missions Fast learning curve and rapid skill development A small, highly capable, and collaborative team Exposure to projects and experience that are hard to find elsewhere in the market

🏢 Summary: The offer is for a Space Engineer focused on Mission Analysis and Early Mission Design, contributing to orbital maneuver planning, trajectory optimization, feasibility studies, and system-level trade-offs. The role involves developing and improving internal Python tools and collaborating with multidisciplinary engineering teams while presenting results to clients and ESA. It targets experienced professionals who can support early-phase space mission concept development and performance assessments. 🗂️ Requirements: Minimum 5 years of professional experience in Mission Analysis, Basic understanding of orbital mechanics, Basic understanding of systems engineering, Professional experience with Python, Experience in orbital maneuver planning and trajectory optimization, Experience in mission performance analysis (lifetime, coverage, revisit time) 📃 Skills: Python, STK, GMAT, FreeFlyer, Orekit, Astropy, Poliastro, Astrodynamics, OrbitalMechanics, SystemsEngineering 🏢 Description: We’re looking for Space Engineers to join our team. Depending on your experience and interests, you’ll work across Mission Analysis and Early Mission Design. What You’ll Work On Mission analysis (lifetime, coverage, revisit time, performance assessments) Orbital maneuver planning and trajectory optimization Early-phase mission design and concept development Feasibility studies for new mission concepts System-level trade-off studies to support key design decisions Presenting results to clients, consortium partners, and ESA Close collaboration with system engineers and domain experts (AOCS, mechanical, thermal, electronics, etc.) Building and improving internal tools (primarily in Python) What We’re Looking For Strong initiative and hands-on problem-solving mindset Broad engineering curiosity and willingness to learn across domains Basic understanding of orbital mechanics and systems engineering Experience with Python At least 5 years of professional experience in Mission Analysis Nice to Have Experience with STK or similar tools (GMAT, FreeFlyer) Familiarity with astrodynamics libraries (Orekit, Astropy, Poliastro) Why Join Us Real impact on cutting-edge space missions Fast learning curve and rapid skill development A small, highly capable, and collaborative team Exposure to projects and experience that are hard to find elsewhere in the market

🏢 Summary: The role involves working on mission analysis and early-phase mission design for space missions, including trajectory optimization, feasibility studies, and system-level trade-offs. You will collaborate with multidisciplinary engineers and develop internal tools, primarily in Python, to support mission performance and concept development. The position requires presenting technical results to clients and partners, including ESA. 🗂️ Requirements: Minimum 5 years of professional experience in Mission Analysis, Experience with mission analysis (lifetime, coverage, revisit time, performance), Knowledge of orbital maneuver planning and trajectory optimization, Basic understanding of orbital mechanics, Basic understanding of systems engineering, Experience with Python, Ability to conduct feasibility and trade-off studies, Experience presenting technical results to stakeholders 📃 Skills: Python, STK, GMAT, FreeFlyer, Orekit, Astropy, Poliastro, Astrodynamics, OrbitalMechanics, SystemsEngineering 🏢 Description: We’re looking for Space Engineers to join our team. Depending on your experience and interests, you’ll work across Mission Analysis and Early Mission Design. What You’ll Work On Mission analysis (lifetime, coverage, revisit time, performance assessments) Orbital maneuver planning and trajectory optimization Early-phase mission design and concept development Feasibility studies for new mission concepts System-level trade-off studies to support key design decisions Presenting results to clients, consortium partners, and ESA Close collaboration with system engineers and domain experts (AOCS, mechanical, thermal, electronics, etc.) Building and improving internal tools (primarily in Python) What We’re Looking For Strong initiative and hands-on problem-solving mindset Broad engineering curiosity and willingness to learn across domains Basic understanding of orbital mechanics and systems engineering Experience with Python At least 5 years of professional experience in Mission Analysis Nice to Have Experience with STK or similar tools (GMAT, FreeFlyer) Familiarity with astrodynamics libraries (Orekit, Astropy, Poliastro) Why Join Us Real impact on cutting-edge space missions Fast learning curve and rapid skill development A small, highly capable, and collaborative team Exposure to projects and experience that are hard to find elsewhere in the market

🏢 Summary: Engineering role focused on building and maintaining mission‑critical Python backend services for aviation platforms used by airlines and flight operations worldwide. The position covers the full software lifecycle, from design and implementation to deployment and production support, in close collaboration with domain experts. Work involves developing reliable, high‑availability systems in a demanding, always‑on environment. 🗂️ Requirements: Commercial experience in software development (3+ years mid or 8+ years senior, or strong entry‑level profile), Hands‑on experience with Python in production environments, Experience building backend services and APIs, Experience with automated testing and code reviews, Ability to troubleshoot and debug production systems, Fluent English for technical collaboration, Availability for occasional business travel within Europe 📃 Skills: Python, API, REST, Backend, Testing, Debugging, Git, AWS, Docker, Kubernetes, Java, Spring, Rave 🏢 Description: Do you want to build software in Python and work on systems that directly support airlines and flight operations? Would you like to combine hands‑on engineering with close collaboration with business stakeholders in the aviation domain? We are partnering with aviation customers to grow their engineering and implementation teams and are hiring several profiles: entry‑level, mid‑level and senior engineers. You will contribute to a mission‑critical aviation platform relied on by airlines, pilots and fleet operators around the world. The products operate in a demanding environment, where reliability, accuracy and always‑on availability are essential. You’ll work with experienced engineers and domain experts, shaping core capabilities end‑to‑end – from early discovery and design through delivery to continuous improvement. Key responsibilities Design, develop and maintain backend services for aviation‑related products. Collaborate with product and domain experts to understand requirements and translate them into technical solutions. Move comfortably between technical details and business context, supporting both engineering teams and end users. Take part in the full development lifecycle: design, implementation, code reviews, automated testing and deployment. Troubleshoot and debug production issues, improve reliability and performance, and suggest technical improvements. Ideal candidate profile 3+ years (Mid) or 8+ years (Senior) of experience in software development or a similar engineering role. We can also accept entry level applications if other qualifications are a good match. In simple words - we are building a diverse team! Comfortable working with Python in a production environment (services, APIs, data processing). Fluent in English and used to working with international clients and distributed teams. Open to occasional business travel within Europe. Able to move between technical detail and business context with ease. Nice to have Experience in aviation (e.g. crew planning or airline operations). Experience with Java (e.g. Spring Boot) or another programming language. Rave programming language. Experience as Product Owner or similar role close to the business. Background in large software implementation projects at customers. Exposure to AWS or another cloud platform, test automation frameworks, Docker / Kubernetes. Interest in AI tools and how they can support engineering work. What matters most Ownership mindset and a proactive approach to problems. Strong communication skills with both engineers and business stakeholders/clients. Flexibility and ability to adapt in dynamic, changing environments. Conditions Location: Gothenburg or Gdańsk Work Model: Hybrid from the office in Gothenburg/Gdańsk or fully remote across Poland. Employment Type: B2B contract via KUBO; employment contract also possible. Salary: Competitive, aligned with your seniority and form of cooperation + additional wellbeing & training benefits Recruitment steps Initial call with a KUBO recruiter (and optional technical tests) Interview(s) with the client (in June) Decision, feedback and support through offer and onboarding The start of the assignment will be no earlier than in the second half of August

🏢 Summary: Senior Java Engineer role focused on designing and developing scalable enterprise systems in a distributed, microservices-based architecture using modern cloud solutions. The position involves implementing new features, optimizing system performance, and contributing to architectural decisions in collaboration with DevOps and Cloud teams. The role requires strong ownership of delivered solutions and adherence to high coding standards. 🗂️ Requirements: 5-8 years commercial experience in Java, Strong knowledge of Spring Boot and Hibernate, Experience with microservices architecture, Experience with AWS cloud services, Knowledge of design patterns and SOLID principles, Practical experience with TDD, English level B2/C1 📃 Skills: Java, Spring, SpringBoot, Hibernate, Microservices, AWS, Lambda, S3, EC2, RDS, Keycloak, Docker, Liquibase, PostgreSQL, TDD, SOLID 🏢 Description: O roli Dołączysz do jednej z naszych kluczowych jednostek biznesowych, wspierając rozwój skalowalnych systemów klasy Enterprise. Szukamy doświadczonego inżyniera, który nie tylko świetnie koduje, ale rozumie architekturę i potrafi brać odpowiedzialność za dostarczane rozwiązania. Czego oczekujemy? Expertise w Java: Minimum 5-8 lat doświadczenia w budowaniu komercyjnych aplikacji. Stack Technologiczny: Bardzo dobra znajomość Spring Boot, Hibernate oraz mikroserwisów. Cloud (AWS): Doświadczenie w pracy z rozwiązaniami chmurowymi AWS (idealnie: Lambda, S3, EC2, RDS) będzie ogromnym atutem. Clean Code: Praktyczna znajomość wzorców projektowych, zasad SOLID i podejścia TDD. Język Angielski: Poziom min. B2/C1 pozwalający na swobodną komunikację techniczną i biznesową. Soft Skills: Umiejętność pracy w zespole, mentoringu młodszych stażem kolegów i aktywnego udziału w code reviews. Twoje zadania: Projektowanie i implementacja nowych funkcjonalności w rozproszonej architekturze. Optymalizacja wydajności systemów i dbanie o najwyższą jakość kodu. Ścisła współpraca z zespołami DevOps, Cloud oraz Product Ownerami. Udział w technicznych dyskusjach projektowych i wsparcie przy podejmowaniu decyzji architektonicznych. Stack: Java 21, Spring (Boot, Actuator), Keycloak, Docker, AWS, Liquibase, PostgreSQL Co zyskujesz dołączając do Bluesoft: 👨‍💻 Współpracę w zespole interdyscyplinarnych ekspertów i ekspertek entuzjastycznie podchodzących do technologii, zainspirowanych pracą w płaskiej hierarchii; 📈 Stałą współpraca w pełnym wymiarze godzin w niezwykłej firmie, która rozwija się dynamicznie od 20 lat; 🚀 Szansę na rozwój w różnorodnych projektach IT, realizowanych dla bardzo znanych i rozpoznawalnych klientów- liderów w swoich branżach; 🥇 Możliwość pracy z najnowszymi technologiami w oparciu o najwyższe standardy developmentu; ⌚️ Elastyczny czas i hybrydowy lub w pełni zdalny model pracy (w różnych zespołach funkcjonują różne ustalenia, nie narzucamy żadnych opcji); ☁ Szereg inicjatyw wspierających dzielenie się wiedzą i rozwój, takich jak: szkolenia wewnętrzne, gildie tematyczne, możliwość szkolenia i certyfikacji w zakresie Cloud (partnerstwa technologiczne w czterech chmurach); 📣 Możliwość nauki języka angielskiego lub niemieckiego online oraz zespołowe lekcje języka angielskiego; 🏋️‍♂️ Możliwość dołączenia do Multisport i ubezpieczenia medycznego; ⛵️ Morskie przygody – z nami popływasz po Morzu Karaibskim, Śródziemnym lub Północnym (udział w rejsach firmowych jest dofinansowany przez firmę).

🏢 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)

🏢 Summary: Backend engineering role focused on building scalable backend services, APIs, and internal developer platforms in a fully remote environment. The position involves improving system architecture, optimizing distributed systems, and collaborating across the full software development lifecycle. The offer includes influence on technical decisions, modern technologies, and growth opportunities within an experienced engineering team. 🗂️ Requirements: 5+ years of backend software development experience, Proficiency in PHP or experience with Java, Python, Go, Knowledge of RESTful APIs and GraphQL, Experience building scalable distributed backend systems, Experience with SQL/MySQL and database optimization, Experience with automated testing and monitoring, Knowledge of debugging production systems, Familiarity with contract-driven development, English for daily technical communication 📃 Skills: PHP, Java, Python, Go, REST, GraphQL, SQL, MySQL, React, API 🏢 Description: ✅ Your responsibilities: ・Design, develop, and maintain scalable backend services and APIs for third-party integrations. Improve platform architecture, service communication, and internal developer tooling. Collaborate with Product Managers, Designers, and Engineers throughout the entire software development lifecycle. Optimize existing systems for performance, scalability, reliability, and maintainability. Drive engineering best practices, including code quality, testing, and documentation. Participate in architecture discussions and technical decision-making. Mentor engineers through code reviews, pair programming, and knowledge sharing. Continuously improve the developer experience by building reliable internal platforms and tools. 🧠 Our requirements: 5+ years of experience in backend software development. Strong proficiency in PHP (preferred) or solid experience with Java, Python, Go , or similar backend technologies. Strong understanding of RESTful APIs , GraphQL , and API design best practices. Experience designing and building scalable, distributed backend systems. Hands-on experience with SQL/MySQL databases and database optimization. Experience with automated testing, observability, monitoring, and debugging production systems. Familiarity with contract-driven development and modern software development practices. Basic knowledge of frontend technologies such as React is a plus. Strong communication skills and the ability to collaborate across cross-functional teams. Passion for writing clean, maintainable, and high-quality code or AI automation English at a level allowing daily technical communication 🌟 What we offer: 100% remote work. Private healthcare and Multisport. Life insurance. Real influence on technical decisions and system architecture. Opportunity to build scalable backend services and developer platforms. Work with modern technologies in a collaborative engineering environment. Knowledge sharing, mentorship, and professional growth opportunities. Friendly, supportive, and experienced engineering team.

🏢 Summary: Oferta dotyczy roli inżyniera AI/LLM odpowiedzialnego za projektowanie i wdrażanie produkcyjnych systemów opartych na Pythonie oraz zaawansowanych architekturach LLM. Stanowisko obejmuje budowę rozwiązań RAG, orkiestrację agentów oraz przygotowanie pipeline’ów danych pod modele językowe. Rola wymaga pracy z wektorowymi bazami danych oraz zapewnienia jakości poprzez testy i ewaluację systemów niedeterministycznych. 🗂️ Requirements: Minimum 3 lata komercyjnego doświadczenia w projektowaniu i wdrażaniu systemów produkcyjnych w Pythonie, Doświadczenie w budowie zaawansowanych architektur LLM (RAG, harness engineering, orkiestracja), Praktyczna znajomość LangChain lub LlamaIndex, Znajomość wzorców projektowych i zasad Clean Code, Doświadczenie w pisaniu testów i ewaluacji systemów niedeterministycznych, Doświadczenie w Data Engineering dla LLM (ETL, parsowanie dokumentów, chunking, transformacje danych), Praca z bibliotekami do manipulacji danymi, Znajomość wektorowych baz danych i strategii chunkingu, Wykształcenie wyższe w kierunku ścisłym lub pokrewnym, Znajomość języka angielskiego na poziomie min. B2 📃 Skills: Python, LLM, RAG, LangChain, LlamaIndex, Pandas, NumPy, Qdrant, Pinecone, Chroma, ETL, Azure, GCP, AWS, Docker, Kubernetes, PyTorch, TensorFlow, C#, Go, Java, SQL, AzureDevOps 🏢 Description: Wymagania: Doświadczenie komercyjne: minimum 3 lata projektowania i wdrażania systemów w jakości produkcyjnej w Pythonie. Udokumentowane doświadczenie w budowaniu zaawansowanych architektur LLM: zaawansowany RAG, harness engineering oraz orkiestracja przy użyciu frameworków takich jak LangChain lub LlamaIndex. Znajomość wzorców projektowych, zasad Clean Code oraz pisania testów i ewaluacji dla systemów niedeterministycznych. Doświadczenie w Data Engineering pod LLM: ETL dla danych nieustrukturyzowanych (parsowanie dokumentów, chunking), transformacji oraz pracy z bibliotekami manipulacji danymi (Pandas, NumPy). Praktyczna znajomość wektorowych baz danych (np. Qdrant, Pinecone, Chroma) oraz strategii chunkingu i zarządzania metadanymi. Umiejętność przekładania skomplikowanych koncepcji AI na język korzyści biznesowych i współpraca z zespołami produktowymi. Wyższe wykształcenie (lub w trakcie) w naukach ścisłych/ilościowych (Informatyka, Matematyka, Fizyka, Ekonometria lub pokrewne) oraz znajomość języka angielskiego na poziomie min. B2. Welcome Skills: Znajomość zaawansowanych frameworków agentowych: LangGraph, CrewAI, AutoGen. Praktyka z chmurami (Azure, GCP lub AWS) oraz konteneryzacją i orkiestracją (Docker, Kubernetes). Zrozumienie klasycznego NLP oraz frameworków głębokiego uczenia (PyTorch, TensorFlow) na potrzeby utrzymania i aktualizacji istniejących komponentów. Znajomość dodatkowego języka (C#, Go, Java). Szczególnie cenimy komercyjne doświadczenie w ekosystemie .NET (C#, SQL Server, Azure PaaS) oraz budowaniu potoków CI/CD (Azure DevOps).