SRE Mobile (h/f)

🏢 Summary: Senior Android Software Engineer responsible for end-to-end development, maintenance, and optimization of mobile applications, ensuring high quality, performance, and scalability. The role involves active contribution to system architecture, backend integration, and full product lifecycle in a production environment. The position requires strong ownership and technical leadership in a dynamic team. 🗂️ Requirements: Minimum 5 years of Android development experience, Very good knowledge of Kotlin, Knowledge of mobile architecture patterns (MVVM, MVI, Clean Architecture), Experience with modern Android frameworks and libraries, Experience with Git version control, Experience with dependency management tools, Experience integrating with backend services (REST, WebSocket, gRPC), Knowledge of Material Design guidelines, Knowledge of relational databases, Experience deploying and maintaining production applications, Ability to analyze system architecture and data flows, Experience publishing applications to Google Play 📃 Skills: Android, Kotlin, MVVM, MVI, CleanArchitecture, Git, REST, WebSocket, gRPC, MaterialDesign, SQL, Gradle 🏢 Description: Do naszego zespołu poszukujemy doświadczonego Senior Software Engineer'a (Android) , który będzie odpowiedzialny za rozwój oraz utrzymanie aplikacji mobilnych. Szukamy osoby, która łączy kompetencje techniczne z rozumieniem potrzeb biznesowych i potrafi pracować w dynamicznym środowisku Twoja rola Samodzielność w realizacji funkcjonalności: od analizy po wdrożenie i utrzymanie Dbałość o jakość, wydajność i stabilność aplikacji Umiejętność diagnozowania i rozwiązywania problemów (np. wydajnościowych, pamięciowych) Doświadczenie w publikowaniu aplikacji w Google Play Dbałość o modularność i skalowalność kodu Umiejętność analizy systemów i przepływu danych między komponentami Rozumienie zależności pomiędzy elementami systemu Umiejętność przekładania wymagań biznesowych na rozwiązania techniczne Dobra organizacja pracy oraz umiejętność priorytetyzacji zadań Gotowość do dzielenia się wiedzą i wspierania innych członków zespołu Aktywny udziału w rozwoju architektury systemów Efektywna komunikacja i praca zespołowej Zaangażowanie w pełen cykl życia produktu Kogo szukamy Minimum 5 lat doświadczenia w tworzeniu aplikacji na platformę Android Bardzo dobra znajomość języka Kotlin Dobra znajomość wzorców architektury aplikacji mobilnych (np. MVVM, MVI, Clean Architecture) Doświadczenie w pracy z nowoczesnymi frameworkami i bibliotekami Android Znajomość systemów kontroli wersji (Git) oraz narzędzi do zarządzania zależnościami Doświadczenie w integracji aplikacji z backendem (REST API, Websocket, gRPC) Znajomość zasad projektowania interfejsów zgodnych z wytycznymi Android (Material Design) Znajomość relacyjnych baz danych Umiejętność pisania czytelnego, utrzymywanego kodu produkcyjnego Doświadczenie w pracy z aplikacjami w środowisku produkcyjnym (wdrażanie, monitoring, utrzymanie) Co oferujemy Pracę w świetnym zespole, którego siłą jest pasja i współpraca, Pracę hybrydową (3+2), Pracę pod skrzydłami przypisanego partnera w procesie onboardingu, Nowoczesne biuro w Katowicach z konsolą PS5 i piłkarzykami, Bezpłatne zajęcia z języka angielskiego, Kartę MedicoverSport, ubezpieczenie na życie i opiekę medyczną, Bezpłatne bilety na mecze reprezentacji Polski, Urozmaicone śniadania i obiady w dobrej cenie w naszym Bistro, Ścieżkę rozwoju osobistego oraz budżet na kursy i szkolenia, Codziennie świeże owoce, dobra kawa i zdrowe przekąski, Poszanowanie równowagi między życiem zawodowym a prywatnym. Kroki rekrutacji Analiza nadesłanych CV i wstępna selekcja kandydatów Krótki kontakt telefoniczny w celu poznania podstawowych informacji i oczekiwań Rozmowa rekrutacyjna z HR oraz Head of Engineering Krótka rozmowa w języku angielskim z VP of Development

🏢 Summary: Senior Mobile Engineer role focused on designing and delivering high-quality, scalable mobile applications for both iOS and Android in an international project. The position involves contributing to architecture decisions, ensuring performance and security, and maintaining code quality through best practices and testing. 🗂️ Requirements: 7+ years of mobile development experience, Strong experience with iOS development using Swift, Strong experience with Android development using Kotlin, Solid understanding of MVVM or Clean Architecture, Experience integrating RESTful APIs, Knowledge of mobile performance, scalability, and security best practices, Experience working with Agile methodologies (Scrum or Kanban) 📃 Skills: Swift, Kotlin, iOS, Android, MVVM, CleanArchitecture, REST, Performance, Scalability, Security, Agile, Scrum, Kanban 🏢 Description: We are looking for a Senior Mobile Engineer with strong experience in both iOS (Swift) and Android (Kotlin) to join an international project focused on building high-quality mobile applications. Main Responsibilities: Design, develop, and maintain mobile applications for both iOS and Android platforms Contribute to the architecture and technical decisions of mobile solutions Build scalable, high-performance, and user-focused applications Collaborate closely with Product Managers, Designers, and other Engineers Ensure code quality through best practices, code reviews, and testing Troubleshoot, debug, and optimize application performance Key Requirements: 7+ years of experience in mobile development Strong hands-on experience with: iOS (Swift) Android (Kotlin) Solid understanding of mobile architectures (e.g., MVVM, Clean Architecture) Experience integrating RESTful APIs Knowledge of mobile performance, scalability, and security best practices Experience with Agile methodologies (Scrum/Kanban) Strong problem-solving skills and attention to detail Good communication skills in English Nice to Have: Experience with cross-platform solutions (e.g., Kotlin Multiplatform, Flutter, React Native) Familiarity with CI/CD pipelines for mobile applications Experience with automated testing (unit/UI) Knowledge of mobile app distribution processes (App Store / Google Play)

🏢 Summary: Senior Software Engineer (iOS) responsible for end-to-end development, maintenance, and optimization of iOS mobile applications. The role covers implementing new features, ensuring code quality and performance, integrating with backend services, and supporting scalable architecture. It involves full product lifecycle participation from concept to deployment and monitoring. 🗂️ Requirements: Minimum 5 years of experience in iOS development, Very good knowledge of Swift, Experience with iOS frameworks, Experience publishing apps to App Store, Experience with Git, Experience with Swift Package Manager, Experience integrating with REST API, WebSocket, gRPC, Knowledge of relational databases, Ability to identify and fix performance issues and memory leaks, Experience with production systems, deployments and monitoring, Knowledge of Apple UI and UX guidelines 📃 Skills: Swift, iOS, Git, SPM, REST, WebSocket, gRPC, SQL, UIKit, Xcode 🏢 Description: Do naszego zespołu poszukujemy doświadczonego Senior Software Engineer'a (iOS) , który będzie odpowiedzialny za rozwój i utrzymanie aplikacji mobilnych. Szukamy osoby samodzielnej, dbającej o jakość kodu oraz rozumiejącej szerszy kontekst biznesowy tworzonych rozwiązań. Twoja rola Samodzielność w tworzeniu nowych funkcjonalności: od planowania po wdrożenie i monitoring Dbałość o jakość, wydajność i stabilność aplikacji Umiejętność identyfikowania problemów (np. wycieki pamięci, bottlenecki) i ich rozwiązywania Doświadczenie w publikowaniu aplikacji w App Store Dbałość o utrzymanie kodu oraz jego modularność Umiejętność analizy systemów (całościowo lub ich części) oraz przepływów danych Zrozumienie zależności między komponentami systemu Umiejętność analizy problemów biznesowych i przekładania ich na rozwiązania techniczne Dobra organizacji pracy i umiejętności priorytetyzacji zadań Gotowość do dzielenia się wiedzą oraz wspierania mniej doświadczonych członków zespołu Wspieranie rozwoju architektury systemów z myślą o skalowalności i autonomii zespołów Efektywna komunikacja oraz praca zespołowa Zaangażowanie w cały cykl życia produktu: od koncepcji po utrzymanie Kogo szukamy Minimum 5 lat doświadczenia w tworzeniu aplikacji iOS Bardzo dobra znajomość języka Swift Doświadczenie w pracy z frameworkami iOS Znajomość systemów kontroli wersji (Git) oraz Swift Package Manager (SPM) Doświadczenie w integracji aplikacji z backendem (REST API, Websocket, gRPC) Znajomość wytycznych Apple dotyczących projektowania interfejsów i UX Znajomość relacyjnych baz danych Umiejętność pisania kodu produkcyjnego, czytelnego i odpornego na błędy (edge case’y) Doświadczenie w pracy z systemami produkcyjnymi (wdrożenia, monitoring, utrzymanie) Co oferujemy Pracę w świetnym zespole, którego siłą jest pasja i współpraca, Pracę hybrydową (3+2), Pracę pod skrzydłami przypisanego partnera w procesie onboardingu, Nowoczesne biuro w Katowicach z konsolą PS5 i piłkarzykami, Bezpłatne zajęcia z języka angielskiego, Kartę MedicoverSport, ubezpieczenie na życie i opiekę medyczną, Bezpłatne bilety na mecze reprezentacji Polski, Urozmaicone śniadania i obiady w dobrej cenie w naszym Bistro, Ścieżkę rozwoju osobistego oraz budżet na kursy i szkolenia, Codziennie świeże owoce, dobra kawa i zdrowe przekąski, Poszanowanie równowagi między życiem zawodowym a prywatnym. Kroki rekrutacji Analiza nadesłanych CV i wstępna selekcja kandydatów Krótki kontakt telefoniczny w celu poznania podstawowych informacji i oczekiwań Rozmowa rekrutacyjna z HR oraz Head of Engineering Krótka rozmowa w języku angielskim z VP of Development

🏢 Summary: Senior Manual Tester role focused on testing mobile (Android/iOS) and web applications, covering test design, execution, and defect reporting. The position involves close collaboration with development teams, participation in requirements analysis, and independent onboarding into new projects. The role emphasizes strong experience in manual testing processes across the full software development lifecycle. 🗂️ Requirements: Minimum 5 years of professional experience in software testing, Experience in manual testing of Android and iOS applications, Experience in manual testing of web applications, Ability to create and maintain test cases and test scenarios, Experience with physical devices and emulators, Experience with bug reporting and defect tracking, Experience in requirements and specification analysis, Experience in test planning and test strategy implementation, Strong understanding of SDLC, Ability to work independently in new projects 📃 Skills: Android, iOS, Web, JIRA, Postman, Polarion, TestRail, SDLC, Emulators 🏢 Description: We are seeking an experienced and detail-oriented Senior Manual Tester to join our team, focusing on both mobile (Android/iOS) and web applications. Key Responsibilities: Manual testing of mobile applications (Android/iOS) and web applications Creating and updating test cases and scenarios Reporting bugs and working closely with the development team Participating in requirements analysis and test planning Onboarding independently into new projects and quickly grasping application functionality Requirements: Minimum 5 years’ professional experience in software testing Familiarity with Android and iOS environments, including testing on physical devices and emulators Ability to design and document test scenarios for Android and iOS platforms Experience with tools such as JIRA, Postman, and documentation platforms (e.g. Polarion, TestRail) Solid understanding of the software development lifecycle Strong analytical and communication skills, with the ability to work independently and with attention to detail Experience in requirements and specification analysis, as well as in test strategy implementation Proven track record in test execution and bug registration

🏢 Summary: Hands-on Site Reliability Engineer role focused on building and scaling reliability practices across cloud and on-prem environments. The position involves improving performance, scalability, and resilience of production systems through automation, observability, and Kubernetes-based infrastructure. You will drive SRE standards and collaborate with engineering teams to enhance system stability and fault tolerance. 🗂️ Requirements: 4+ years experience in SRE, DevOps or similar roles, Strong experience with distributed systems, Strong experience with Kubernetes, Experience with AWS cloud, Hands-on automation experience with Python, Bash or Go, Solid understanding of CI/CD practices, Experience with observability and monitoring tools, Experience managing production systems 📃 Skills: Kubernetes, AWS, Python, Bash, Go, Prometheus, Grafana, CI/CD, SRE, DevOps 🏢 Description: We’re looking for a Site Reliability Engineer (SRE) to help build and scale reliability practices across our engineering organization. This is a hands-on role where you’ll work across cloud and on-prem environments, improving the performance, scalability, and resilience of critical production systems. 🔧 What you’ll be doing: • Driving SRE best practices, standards, and ways of working • Building and scaling observability & monitoring solutions (e.g. Prometheus, Grafana) • Working with Kubernetes-based infrastructure to ensure reliability and efficiency • Automating deployments, incident response, and recovery processes • Collaborating closely with engineering teams to improve system stability and fault tolerance • Contributing to a strong reliability culture (SLOs, post-mortems, continuous improvement) ✅ What we’re looking for: • 4+ years of experience in SRE / DevOps / similar roles • Strong experience with distributed systems, Kubernetes, and cloud (AWS preferred) • Hands-on approach to automation (Python, Bash, or Go) • Solid understanding of CI/CD and modern software delivery • Proactive mindset and strong ownership of production systems Name and surname*

🏢 Summary: The offer is for a Site Reliability Engineer responsible for ensuring high reliability, scalability, and performance of cloud-based systems. The role focuses on implementing SRE practices, automating infrastructure, managing incidents, and enhancing monitoring and CI/CD processes. You will collaborate with cross-functional teams to optimize operations and maintain service excellence. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering, or related field, 3+ years of experience in Site Reliability Engineering or similar role, Experience with cloud platforms (AWS, GCP, or Azure), Hands-on experience with SRE practices (SLO, SLI, error budgets, postmortems, toil reduction, capacity planning, incident management), Proficiency in Python or other scripting/programming language, Experience with monitoring tools, Experience with CI/CD tools, Experience with infrastructure as code, Experience with configuration management, Knowledge of Kubernetes and Docker, English proficiency B2 or higher 📃 Skills: AWS, GCP, Azure, Python, Kubernetes, Docker, CI/CD, Terraform, Ansible, Monitoring, SLO, SLI, Git, Bash 🏢 Description: We are seeking a highly skilled and motivated Site Reliability Engineer (SRE) to join our team. In this critical role, you will collaborate closely with software developers and operations teams to ensure high reliability, scalability, and efficiency of our systems, with a strong focus on meeting and exceeding customer expectations. Your expertise will be crucial in deploying, maintaining, and automating our infrastructure and application environments to ensure seamless user experiences. Your proactive involvement will be key to enhancing system reliability, optimizing resource utilization, and ensuring continuous improvement in our operational practices. Your responsibilities will include defining and tracking Service Level Objectives (SLOs), managing error budgets, and reducing toil through automation. You will play a pivotal role in driving the success of technology initiatives, maximizing their impact across the organization, and ensuring that solutions consistently meet the high standards our customers expect. Responsibilities Collaborate with development, security, quality, and operation teams to implement SRE practices and ensure system reliability Define and support required level of reliability, availability, and performance for services and applications Design and deliver Cloud-based solutions tailored to client needs Troubleshoot, mitigate, and support fixing of the infrastructure and application issues in a timely manner Implement a monitoring system for the infrastructure and application reliability Communicate technical concepts clearly to both engineering teams and management stakeholders Requirements Bachelor’s degree in Computer Science, Engineering, or a related field 3+ years of hands-on experience in Site Reliability Engineering or related roles Proven experience in any cloud (AWS/GCP/Azure) Experience with implementing SRE practices such as SLO/SLI, Error budgets, Postmortems, Reducing Toil, capacity planning, and Incident Management Python or other scripting/programming language Strong background in monitoring tools Proficiency in CI/CD tools, infrastructure as code, and configuration management Solid knowledge of container orchestration technologies (Kubernetes, Docker) English language proficiency at an Upper-Intermediate level (B2) or higher Nice to have Expertise in deployment and management of LLMs, including technologies like RAG Certification in Kubernetes, AWS/GCP/Azure, or similar technologies Proven experience in DevOps Knowledge of managing and optimizing AI/ML models in production environments, including basic deployment, monitoring, and maintenance We offer/Benefits 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.

🏢 Summary: Mobile Developer role focused on building, enhancing, and maintaining mobile applications across the full development lifecycle. The position involves working with native or hybrid technologies, integrating REST APIs, and ensuring performance and code quality. The developer will contribute to technical decisions and continuous improvement of mobile solutions. 🗂️ Requirements: 2+ years of mobile development experience, Experience with native or hybrid mobile technologies, Experience integrating REST APIs, Knowledge of Clean Code principles, Knowledge of SOLID principles, English level B1/B2 for technical communication 📃 Skills: Android, iOS, Kotlin, Swift, Flutter, ReactNative, REST, Git, Agile, CleanCode, SOLID 🏢 Description: We are seeking a Mobile Developer with at least 2 years of experience to join our team. What You Will Do: Develop, enhance, and maintain mobile applications; Participate in the entire development cycle, from implementation to publication and maintenance of apps; Ensure performance, usability, and quality of applications; Contribute to technical decisions and continuous improvement of solutions. What We Are Looking For: 2+ years of experience in mobile development; Experience with native or hybrid mobile technologies such as Android, iOS, Kotlin, Swift, Flutter, or React Native; Knowledge of integration with REST APIs; Familiarity with best development practices (Clean Code, SOLID, etc.); Experience with Git and Agile methodologies is valued; English B1/B2 (technical communication and writing); Team spirit, autonomy, and a willingness to evolve technically.

🏢 Summary: Senior Software Engineer – SRE role focused on building and maintaining highly available, observable, and resilient cloud-native systems. The position emphasizes automation, CI/CD improvements, incident management, and implementation of reliability best practices across a SaaS platform. You will collaborate cross-functionally to enhance scalability, performance, and operational excellence. 🗂️ Requirements: 5+ years in Software Engineering, SRE, or Cloud Infrastructure, Experience with DevOps tools and practices, Proficiency in Python, Go, Java, or C#/.NET, Experience with at least two: GitHub, Azure DevOps, GitLab, Jenkins, Hands-on experience with observability tools, Strong experience with CI/CD pipelines and automation, Experience with cloud-native distributed systems, Experience in high-availability SaaS environments, Knowledge of SLOs, SLIs, and error budgets, Experience with incident management and root cause analysis, Experience implementing redundancy and disaster recovery, Experience with Agile methodologies 📃 Skills: Python, Go, Java, C#, DotNet, GitHub, Azure, GitLab, Jenkins, Prometheus, Grafana, OpenTelemetry, CI/CD, DevOps, SLO, SLI, SaaS, Automation, Cloud, DistributedSystems 🏢 Description: Job Overview As the Senior Software Engineer – SRE you will focus on implementing and maintaining reliability solutions across the platform. This role emphasizes hands-on engineering work, automation, and operational excellence. The Senior Software Engineer will work closely with other engineers to ensure systems are highly available, observable, and resilient. As a member of the engineering team, the Senior Software Engineer will work closely with Infrastructure, Engineering, and Product teams to develop highly resilient, observable, and automated solutions that enhance system availability and efficiency. The ideal candidate will bring deep technical expertise, strong problem-solving skills, and a passion for reliability engineering. Job Description and Requirements Job Responsibilities Implement, and advocate for best-in-class reliability, observability, and scalability practices across the platform. Develop automated solutions for system reliability, capacity planning, and incident response to minimize manual intervention. Participate in improving Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets to enhance system reliability. Contribute to CI/CD pipeline improvements and DevOps practices. Support root cause analysis (RCA) investigations, drive corrective actions, and advocate for a blameless postmortem culture. Participate in on-call rotations to ensure 24/7 availability of critical systems. Influence and mentor engineering teams on SRE principles, DevOps culture, and best practices. Stay ahead of industry trends, adopting new tools, frameworks, and methodologies to continually improve system reliability. Preferred Qualifications 5+ years of experience in software engineering, site reliability engineering, or cloud infrastructure roles. Experience with DevOps tooling and practices. Proficient in building service-oriented architectures and cloud-native distributed systems. Proficiency in programming languages such as Python, Go, Java, or C# or .Net. In-depth technical understanding and experience with at least two of the following DevOps platforms: GitHub, Azure DevOps, GitLab, or Jenkins. Hands-on experience with observability tools (e.g., Prometheus, Grafana, OpenTelemetry or others). Strong background in CI/CD pipelines, automation, and DevOps practices. Experience working in global, high-availability SaaS environments. Experience implementing redundancy and disaster recovery scenarios. Excellent teamwork and cross-group collaboration skills. Ability to collaborate with both technical and business professionals. Hands-on experience with Agile Project Development Methodologies. Experience delivering complex technical solutions. Excellent problem-solving, analytical, and communication skills. Nice to have: Experience with Chaos Engineering and/or AI Ops . Competencies and Skills Automation-First Mindset – Commitment to reducing toil through scripting and automation. Reliability Engineering – Expertise in SLOs, SLIs, error budgets, and high-availability architectures. Incident Management & Postmortems – Experience in handling production incidents and driving continuous improvement. Observability & Monitoring – Deep understanding of logging, monitoring, and alerting best practices. Practical knowledge of data structures and modern data engines. Collaboration & Communication – Ability to work across teams, influence stakeholders, and advocate for reliability improvements. Mentorship & Coaching – Passion for mentoring engineers and building an SRE culture within the organization. Additional Information This role offers a unique opportunity to shape the future of SRE in a cutting-edge SaaS company, ensuring the reliability and scalability of mission-critical applications for customers worldwide. If you are passionate about solving complex reliability challenges and driving technical excellence, we’d love to hear from you! Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 208 000 and 312 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Automation, Data Analysis, Database Management, Network Architecture, Performance Optimizations, Problem Solving, Project Management, Software Development, System Designs, Technical Leadership

🏢 Summary: 4-month freelance contract for a Senior React Native Developer to build and maintain a cross-platform mobile application for iOS and Android based on an existing web platform. The role focuses on implementing new features, integrating APIs, optimizing performance, and contributing to architecture and code quality. The application supports monitoring and operational control of autonomous cleaning robots in large commercial facilities. 🗂️ Requirements: Availability from July 1st, 4+ years of commercial software development experience, Strong knowledge of React Native, Strong knowledge of TypeScript, Experience with REST API integrations, Understanding of App Store release processes, Understanding of Google Play release processes, Experience working in Agile teams, Proficiency with Git 📃 Skills: React, ReactNative, TypeScript, REST, Git, iOS, Android, Swift, Kotlin, CI/CD, Agile 🏢 Description: We are looking for an experienced Senior React Native Developer responsible for building and maintaining modern mobile applications for both iOS and Android platforms. The person in this role will collaborate closely with the project team on application architecture, implementation of new features, and performance optimization. This is a 6-month freelance contract (with a possibility of extension, though not guaranteed). Requirements: Availability starting July 1st 4+ years of commercial software development experience strong knowledge of React Native and TypeScript experience with REST API integrations understanding of App Store and Google Play release processes experience working in Agile teams good knowledge of Git Nice to have: experience with native iOS (Swift) or Android (Kotlin) development familiarity with CI/CD pipelines for mobile applications experienced in using AI tools in day-to-day workflow Responsibilities: Develop and maintain a cross-platform mobile application using React Native for iOS and Android. Implement new features based on the existing web application and business requirements. Collaborate with backend, web, QA, and product teams to ensure seamless integration and consistent user experience. Integrate REST APIs and real-time communication mechanisms. Optimize application performance, stability, and scalability. Participate in architecture discussions, code reviews, and technical decision-making. Troubleshoot, debug, and resolve application issues. Contribute to improving development standards, CI/CD processes, and overall code quality Project description: Development of a mobile application based on an existing web platform used for managing autonomous cleaning robots operating in shopping malls, airports, and other large commercial facilities. The application will support robot monitoring, task management, real-time status tracking, and operational control for end users.

🏢 Summary: Remote Senior Software Engineer – SRE role focused on building and maintaining highly available, scalable, and observable cloud-native systems. The position emphasizes automation, CI/CD improvements, incident management, and implementation of reliability best practices across SaaS platforms. The engineer collaborates cross-functionally to enhance system resilience, performance, and operational excellence. 🗂️ Requirements: 5+ years in Software Engineering, SRE, or Cloud Infrastructure roles, Experience with DevOps tools and practices, Proficiency in Python, Go, Java, C#, or .Net, Experience with at least two: GitHub, Azure DevOps, GitLab, Jenkins, Hands-on experience with observability tools, Strong experience with CI/CD pipelines and automation, Experience with cloud-native distributed systems, Experience in high-availability SaaS environments, Knowledge of SLOs, SLIs, and error budgets, Experience with redundancy and disaster recovery, Participation in on-call rotations 📃 Skills: Python, Go, Java, C#, .Net, GitHub, Azure, GitLab, Jenkins, Prometheus, Grafana, OpenTelemetry, CI/CD, DevOps, SLO, SLI, SaaS, Automation, Cloud, Agile 🏢 Description: Posting Type Remote Job Overview As the Senior Software Engineer – SRE you will focus on implementing and maintaining reliability solutions across the platform. This role emphasizes hands-on engineering work, automation, and operational excellence. The Senior Software Engineer will work closely with other engineers to ensure systems are highly available, observable, and resilient. As a member of the engineering team, the Senior Software Engineer will work closely with Infrastructure, Engineering, and Product teams to develop highly resilient, observable, and automated solutions that enhance system availability and efficiency. The ideal candidate will bring deep technical expertise, strong problem-solving skills, and a passion for reliability engineering. Job Description and Requirements Job Responsibilities Implement, and advocate for best-in-class reliability, observability, and scalability practices across the platform. Develop automated solutions for system reliability, capacity planning, and incident response to minimize manual intervention. Participate in improving Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets to enhance system reliability. Contribute to CI/CD pipeline improvements and DevOps practices. Support root cause analysis (RCA) investigations, drive corrective actions, and advocate for a blameless postmortem culture. Participate in on-call rotations to ensure 24/7 availability of critical systems. Influence and mentor engineering teams on SRE principles, DevOps culture, and best practices. Stay ahead of industry trends, adopting new tools, frameworks, and methodologies to continually improve system reliability. Preferred Qualifications 5+ years of experience in software engineering, site reliability engineering, or cloud infrastructure roles. Experience with DevOps tooling and practices. Proficient in building service-oriented architectures and cloud-native distributed systems. Proficiency in programming languages such as Python, Go, Java, or C# or .Net. In-depth technical understanding and experience with at least two of the following DevOps platforms: GitHub, Azure DevOps, GitLab, or Jenkins. Hands-on experience with observability tools (e.g., Prometheus, Grafana, OpenTelemetry or others). Strong background in CI/CD pipelines, automation, and DevOps practices. Experience working in global, high-availability SaaS environments. Experience implementing redundancy and disaster recovery scenarios. Excellent teamwork and cross-group collaboration skills. Ability to collaborate with both technical and business professionals. Hands-on experience with Agile Project Development Methodologies. Experience delivering complex technical solutions. Excellent problem-solving, analytical, and communication skills. Nice to have: Experience with Chaos Engineering and/or AI Ops . Competencies and Skills Automation-First Mindset – Commitment to reducing toil through scripting and automation. Reliability Engineering – Expertise in SLOs, SLIs, error budgets, and high-availability architectures. Incident Management & Postmortems – Experience in handling production incidents and driving continuous improvement. Observability & Monitoring – Deep understanding of logging, monitoring, and alerting best practices. Practical knowledge of data structures and modern data engines. Collaboration & Communication – Ability to work across teams, influence stakeholders, and advocate for reliability improvements. Mentorship & Coaching – Passion for mentoring engineers and building an SRE culture within the organization. Additional Information This role offers a unique opportunity to shape the future of SRE in a cutting-edge SaaS company, ensuring the reliability and scalability of mission-critical applications for customers worldwide. If you are passionate about solving complex reliability challenges and driving technical excellence, we’d love to hear from you! Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 208 000 and 312 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Automation, Data Analysis, Database Management, Network Architecture, Performance Optimizations, Problem Solving, Project Management, Software Development, System Designs, Technical Leadership