Application Support Engineer

🏢 Summary: The offer is for an Application Support / DevOps Engineer responsible for maintaining and troubleshooting business applications in containerized environments within the insurance sector. The role focuses on 2nd line support, CI/CD automation, monitoring, and ensuring high availability of systems. It is a hybrid B2B position based in Warsaw. 🗂️ Requirements: Experience in 2nd line support for business applications, Experience with containerized environments, Knowledge of Kubernetes, Experience with GitLab, Experience with Rancher, Experience with Octopus, Knowledge of MS SQL (HA, CDC, ETL), Strong Linux RH maintenance and troubleshooting skills, Experience with Windows Server and IIS, Experience with Java and Tomcat, Experience with Zabbix and Grafana (templates, triggers, alerts), English level B2 📃 Skills: Kubernetes, GitLab, Rancher, Octopus, MSSQL, HA, CDC, ETL, Linux, Windows, IIS, Java, Tomcat, Zabbix, Grafana, CI/CD 🏢 Description: Dla klienta z branży ubezpieczeń poszukujemy Application Support/ DevOps Engineer'a ! Stawka: 120-130 zł/h netto+VAT B2B Praca hybrydowa : 2 dni w tygodniu z biura w Warszawie ZADANIA Profil kandydata: Inżynier posiadający doświadczenie w pracy w II linii wsparcia dla aplikacji businessowych w środowisku kontenerowym . Zakres obowiązków Utrzymywanie ciągłości działania, aktualizacje, troubleshooting aplikacji biznesowych na środowiskach kontenerowych. Samodzielne rozwiązywanie zgłoszeń z obszaru BA i Infrastruktury, a jeżeli problem jest złożony koordynacja zgłoszeń z vendorami i dbanie o ich terminową naprawę. Automatyzacja procesów wdrożeniowych (CI/CD) Tworzenie dokumentacji technicznej dla nowo wdrożonych funkcjonalności, usług Aktualizacja bazy wiedzy zespołu o nowe casy po rozwiązaniu problemu WYMAGANIA DevOps – konteneryzacja Kubernetes, Gitlab, Rancher, Octopus Bazy danych: MS SQL (HA, CDC, ETL) OS: bardzo dobra znajomość maintenance i troubleshooting dla Linux RH (Java, Tomcat) i Windows Server (IIS) Monitoring: Zabbix, Grafana - rozbudowa i tworzenie nowych templatów, konfiguracja triggerów i alertowania Angielski - Wymagany poziom B2, codzienna współpraca z zespołami anglojęzycznymi w formie spotkań online i korespondencji MILE WIDZIANE CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: 120-130 zł/h netto+VAT B2B Pracę hybrydową z Warszawy (2 razy w tygodniu w biura) Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: Offer for an Application Support / DevOps Engineer responsible for maintaining and supporting business applications in containerized environments within the insurance sector. The role focuses on ensuring system stability, troubleshooting, CI/CD automation, and monitoring infrastructure. Hybrid work model with B2B contract. 🗂️ Requirements: Experience in 2nd line support for business applications, Experience with containerized environments, Knowledge of Kubernetes, Experience with GitLab, Experience with Rancher, Experience with Octopus, Experience with MS SQL (HA, CDC, ETL), Strong Linux (Red Hat) administration and troubleshooting skills, Knowledge of Windows Server and IIS, Experience with Java and Tomcat, Experience with monitoring tools (Zabbix, Grafana), Ability to configure monitoring templates, triggers and alerts, English at minimum B2 level 📃 Skills: Kubernetes, GitLab, Rancher, Octopus, MSSQL, HA, CDC, ETL, Linux, RedHat, WindowsServer, IIS, Java, Tomcat, Zabbix, Grafana, CI/CD 🏢 Description: Dla klienta z branży ubezpieczeń poszukujemy Application Support/ DevOps Engineer'a! Stawka: 120-130 zł/h netto+VAT B2B Praca hybrydowa: 2 dni w tygodniu z biura w Warszawie ZADANIA Utrzymywanie ciągłości działania, aktualizacje, troubleshooting aplikacji biznesowych na środowiskach kontenerowych. Samodzielne rozwiązywanie zgłoszeń z obszaru BA i Infrastruktury, a jeżeli problem jest złożony koordynacja zgłoszeń z vendorami i dbanie o ich terminową naprawę. Automatyzacja procesów wdrożeniowych (CI/CD) Tworzenie dokumentacji technicznej dla nowo wdrożonych funkcjonalności i usług Aktualizacja bazy wiedzy zespołu o nowe casy po rozwiązaniu problemu WYMAGANIA Inżynier posiadający doświadczenie w pracy w II linii wsparcia dla aplikacji businessowych w środowisku kontenerowym DevOps – konteneryzacja Kubernetes, Gitlab, Rancher, Octopus Bazy danych: MS SQL (HA, CDC, ETL) OS: bardzo dobra znajomość maintenance i troubleshooting dla Linux RH (Java, Tomcat) i Windows Server (IIS) Monitoring: Zabbix, Grafana - rozbudowa i tworzenie nowych templatów, konfiguracja triggerów i alertowania Angielski - Wymagany poziom B2, codzienna współpraca z zespołami anglojęzycznymi w formie spotkań online i korespondencji MILE WIDZIANE CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: 120-130 zł/h netto+VAT B2B Pracę hybrydową z Warszawy (2 razy w tygodniu w biura) Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Iga Olszewska-Magnowska Senior IT Delivery Consultant iga.olszewska@speedapp.pl

🏢 Summary: Design and lead the implementation of high-performance, scalable and observable systems for global ad serving and tracking. The role focuses on building and optimizing HTTP/gRPC services and batch jobs in Java and Python, ensuring production reliability and measurable performance improvements. You will provide hands-on technical leadership while maintaining high engineering and code quality standards. 🗂️ Requirements: Strong knowledge of Java and Python, Experience building and maintaining HTTP and gRPC services, Experience with batch processing systems, Understanding of distributed systems and concurrency, Knowledge of Internet protocols (DNS, HTTP, cookies), Ability to design for high scalability and high availability, Experience monitoring and analyzing production systems, Ability to optimize system performance at scale, Experience deploying and maintaining production environments, Understanding of complex systems from hardware to algorithms 📃 Skills: Java, Python, HTTP, gRPC, DNS, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite, Concurrency, DistributedSystems, Scalability, Availability, Monitoring, Performance 🏢 Description: You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement, test, deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) HTTP / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Desired experience: Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms. Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production). General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now! You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it.

🏢 Summary: Design and lead the implementation of highly scalable, high‑performance ad serving and tracking systems, building and optimizing HTTP/gRPC services and batch jobs in Java and Python. The role combines hands-on development with technical leadership, focusing on observability, reliability, and measurable performance improvements in distributed production environments. You will work on globally distributed systems handling large-scale traffic with strong engineering and code quality standards. 🗂️ Requirements: Experience designing and implementing high-performance, scalable distributed systems, Strong knowledge of Java and Python, Experience building and maintaining HTTP and gRPC services, Understanding of Internet protocols (DNS, HTTP, cookies), Knowledge of concurrency and distributed systems concepts, Ability to monitor, analyze and optimize production systems, Experience with high scalability and high availability architectures, Fluent English and Polish (C1) 📃 Skills: Java, Python, HTTP, gRPC, DNS, Aerospike, Memcached, GCP, BigQuery, MinIO, Kafka, Clickhouse, PostgreSQL, Elasticsearch, Kubernetes, Prometheus, Jenkins, Graphite 🏢 Description: You will: Design and lead implementation of system changes that deliver high performance, scalability and observability for displaying and tracking ads world wide. Develop tools and optimizations to drive measurable improvements in critical user performance metrics. Implement, test, deploy, monitor and maintain (in all aspects, including setting up environment, writing configuration code, monitor production) HTTP / gRPC services and batch jobs in Java and Python, ensuring adherence to the high engineering standards. Provide hands-on technical leadership: solving complex system challenges, participating in planning and scoping of projects, and ensuring the implementation of the highest coding standards through participation in code reviews. Desired experience: Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms. Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others). Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level). Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it). The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production). General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'. C1 level in English and Polish. Nice to have: Experience in the AdTech/Real Time Bidding space. Experience contributing to Real User Monitoring (RUM) systems. Selected technologies used: Java, Python Aerospike, Memcached Google Cloud Platform, BigQuery, MinIO Kafka, Clickhouse PostgreSQL Elasticsearch Kubernetes, Prometheus Jenkins, Graphite We Offer: Projects focused on extreme performance and high code quality – solid code reviews are our standard. Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers). Hardware and software tailored to your preferences (e.g., MacBook, AI tool licenses). Flexible working conditions – no core hours, fully remote cooperation possible. Apply now! You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it.

🏢 Summary: The offer is for an AWS DevOps Engineer responsible for designing, implementing, and maintaining AWS cloud infrastructure and CI/CD pipelines to ensure reliability, scalability, and security of systems. The role involves infrastructure automation, monitoring, and collaboration with development teams in a modern cloud environment. This position is based in Krakow, Poland, with a B2B employment type. 🗂️ Requirements: Strong experience with AWS services, Experience with infrastructure as code tools, Experience building and maintaining CI/CD pipelines, Knowledge of containerization and orchestration, Strong scripting skills, Experience with monitoring and logging tools, Understanding of cloud security best practices, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent experience 📃 Skills: AWS, EC2, S3, RDS, Lambda, VPC, CloudWatch, IAM, Terraform, CloudFormation, Ansible, Jenkins, GitLab, CircleCI, Docker, Kubernetes, Python, Bash 🏢 Description: We are seeking a skilled AWS DevOps Engineer to join our team in Krakow, Poland . The successful candidate will be responsible for designing, implementing, and maintaining cloud-based infrastructure and CI/CD pipelines, ensuring the reliability, scalability, and security of our systems. This is an excellent opportunity to work on modern cloud environments and collaborate with global teams. Key Responsibilities Design, implement, and manage AWS cloud infrastructure, ensuring high availability and scalability. Build, maintain, and optimize CI/CD pipelines for multiple applications. Automate infrastructure provisioning and deployment using tools like Terraform, CloudFormation, or Ansible. Monitor and maintain system performance, availability, and security in cloud environments. Collaborate with development and product teams to support application deployments, performance tuning, and troubleshooting. Implement best practices for security, compliance, and disaster recovery. Participate in incident management, root cause analysis, and post-incident reviews. Continuously improve DevOps processes, tools, and practices to drive efficiency and reliability. Skills & Experience Strong experience in AWS services (EC2, S3, RDS, Lambda, VPC, CloudWatch, IAM, etc.). Experience with infrastructure as code (Terraform, CloudFormation, Ansible). Expertise in CI/CD pipelines and automation tools (Jenkins, GitLab CI, CircleCI, or similar). Knowledge of containerization and orchestration (Docker, Kubernetes). Strong scripting skills (Python, Bash, or similar). Familiarity with monitoring, logging, and alerting tools. Understanding of security best practices and compliance requirements. Excellent problem-solving skills and ability to work in a collaborative, agile environment. Qualifications Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience). AWS certifications (Solutions Architect, DevOps Engineer, or similar) are a plus. Why Join Us You will work in a fast-paced, innovative environment with opportunities to grow your career in cloud engineering and DevOps. Join a team where your contributions make a direct impact on the success of global applications and services. Location: Krakow, Poland Employment Type: B2B

🏢 Summary: The role involves designing and maintaining scalable infrastructure while automating CI/CD processes to support operational workflows. The DevOps Engineer will build deployment pipelines, integrate systems, and ensure system performance and reliability in an Agile environment. The position focuses on infrastructure automation and collaboration with development and operations teams. 🗂️ Requirements: Several years of experience as DevOps Engineer, Strong knowledge of CI/CD tools, Experience with Kubernetes, Experience with Docker, Knowledge of monitoring and observability tools, Ability to work with SQL, Experience with automation scripting, Experience working in Agile environment 📃 Skills: CI/CD, Kubernetes, Docker, SQL, Monitoring, Observability, Scripting, Agile 🏢 Description: Poszukujemy osoby na stanowisko DevOps Engineer do zespołu odpowiedzialnego za rozwój i wdrażanie zautomatyzowanych procesów wspierających obsługę wniosków i procesów operacyjnych. Rola obejmuje budowę oraz utrzymanie nowoczesnej infrastruktury, automatyzację procesów CI/CD oraz współpracę z zespołami developerskimi i biznesowymi w środowisku Agile. Zakres obowiązków: Projektowanie i wdrażanie skalowalnej infrastruktury Budowa i utrzymanie pipeline’ów CI/CD Automatyzacja procesów wdrożeniowych i operacyjnych Monitorowanie wydajności systemów oraz wdrażanie usprawnień Integracja systemów i optymalizacja workflow Współpraca z zespołami developerskimi, operations oraz biznesem Udział w projektowaniu rozwiązań technicznych i procesowych Wymagania: Kilkuletnie doświadczenie na stanowisku DevOps Engineer Bardzo dobra znajomość narzędzi CI/CD oraz technologii kontenerowych Doświadczenie w pracy z Kubernetes oraz Docker Znajomość monitoringu i observability Umiejętność pracy z SQL oraz skryptami automatyzującymi Doświadczenie w środowisku Agile Komunikatywność i umiejętność pracy zespołowej Mile widziane doświadczenie w sektorze finansowym lub procesach workflow

🏢 Summary: Senior Software Engineer responsible for defining technical standards and architecture, leading backend and frontend development, and ensuring secure, scalable, and observable solutions. The role drives CI/CD, enterprise integrations, and production support while aligning engineering practices with product and operations goals. 🗂️ Requirements: Proven experience defining technical standards and architecture, Experience with CI/CD orchestration, Experience with observability implementation, Experience implementing on-premises, hybrid, and cloud solutions, Experience leading backend and frontend architectural decisions, Experience maintaining CI/CD pipelines, Experience coordinating enterprise integrations, Knowledge of DDD and clean architecture, Expertise in Java and Spring Boot, Expertise in Python and FastAPI, Expertise in React or Angular, Experience with L2/L3 production support, Experience with Spring Security and OAuth 📃 Skills: Java, SpringBoot, Python, FastAPI, React, Angular, CICD, Observability, ServiceNow, Jira, Boomi, DDD, OAuth, SpringSecurity 🏢 Description: To strengthen the team, we are seeking a person for the role of Senior Software Engineer, responsible for defining technical standards and architecture, guiding the development team, ensuring quality practices, security, and CI/CD, and collaborating with product and operations in delivering scalable, business-aligned solutions. Main Responsibilities Define technical standards, architecture, and development practices, ensuring quality, security, performance, and resilience in production environments. Orchestrate end-to-end delivery with CI/CD and observability while promoting responsible autonomy among teams aligned with product and operational objectives. Implement on-premises, hybrid, and cloud solutions with security best practices, observability, and integration with existing systems. Lead architectural decisions in backend and frontend (Java/Spring Boot, Python/FastAPI, React/Angular), ensuring scalability, consistent testing and code reviews. Implement and maintain end-to-end CI/CD pipelines and observability (logs, metrics, distributed tracing). Coordinate enterprise integrations (ServiceNow, Jira, CRMs) and iPaaS (e.g., Boomi), including mapping, validation, and compliance. Apply practices such as DDD, clean architecture, application security, and secrets/IAM management throughout the development lifecycle. Provide technical guidance to the team, elevate quality standards, and align practices with product and operations. Lead L2/L3 support in production: incident triage and resolution, prevention escalation (on call), SLA management, and conducting post-mortems focused on root causes and corrective actions. Operate and evolve applications in on-premises, hybrid, or cloud environments: VMs, networks, VPNs, certificates, Nginx/reverse proxy, load balancing, and enhancing the security of exposed services. Key Requirements Proven ability to define technical standards, architecture, and development practices. Experience with CI/CD orchestration and observability practices. Knowledge of implementing on-premises, hybrid, and cloud solutions with security best practices. Leadership in architectural decisions for backend and frontend technologies. Experience with maintaining CI/CD pipelines and end-to-end observability. Ability to coordinate enterprise integrations and ensure compliance. Mastery of practices such as DDD and clean architecture. Technical expertise in Java/Spring Boot, Python/FastAPI, React/Angular. Experience in providing L2/L3 technical support and leading incident resolution. Expertise in security practices, including Spring Security and OAuth. Nice to Have Experience with Docker, Kubernetes, and cloud environments (Azure/AWS/GCP). Background in data management with PostgreSQL, MongoDB, and Redis. Familiarity with AI models, particularly RAG. Knowledge in security access management and policies based on the principle of least privilege.

🏢 Summary: Technical role supporting AI and DevOps platforms, focused on ensuring stability, reliability, and performance of critical services across the organization. The position involves incident management, platform resilience, automation, and observability in collaboration with SRE, engineering, and support teams. The engineer contributes to operational excellence, platform enhancements, and continuous improvement of cloud-native environments. 🗂️ Requirements: 6-8 years experience in technical support, platform operations, or engineering, Experience supporting IT services, infrastructure, or platform operations, Hands-on experience with incident management and root cause analysis, Experience with cloud-native platforms and container orchestration, Experience with CI/CD pipelines and DevOps practices, Experience with monitoring and observability tools, Knowledge of databases such as Postgres or MongoDB, Programming or scripting experience in Java, Python, or Go, Understanding of architecture concepts and system design, Experience with resilience testing and disaster recovery activities 📃 Skills: OpenShift, Kubernetes, ECS, CI/CD, Prometheus, Grafana, Splunk, Postgres, MongoDB, Java, Python, Go, AI, DevOps, SRE 🏢 Description: Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries, operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning, and flexibility with potential hybrid work opportunities. Help solve real‑world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. We are seeking a motivated team member to support our AI and DevOps Platform Support team in North America. This role is responsible for assisting in the stability, reliability, and performance of our critical AI and DevOps platforms. The team supports a wide range of services, including multiple AI applications, developer tools, and CI/CD pipeline technologies used across the organization. The ideal candidate will work closely with SRE and Support engineers to resolve incidents, address platform issues, and collaborate with engineering and development teams to enhance platform supportability. The role includes coordinating daily operational activities and contributing to short‑term planning. Responsibilities: Collaborative Application Support: Provides application support by partnering with vendors, offshore managed services, and internal development and engineering teams to ensure platform stability and operational readiness. Service Level Improvement: Actively supports efforts to improve service levels by participating in incident management, problem resolution (RCA), and knowledge-sharing initiatives. Platform Resilience and Testing: Assists in resilience-related activities, including incident simulations, disaster recovery exercises, and platform readiness testing to ensure business continuity. Automation and Efficiency: Supports automation efforts designed to reduce manual tasks, improve operational efficiency, and contribute to cost-saving initiatives. Monitoring and Observability: Helps maintain platform health by supporting observability practices, including monitoring, logging, tracing, and alerting for proactive issue identification. Platform Onboarding and Enhancement: Assists with application onboarding activities and contributes to platform enhancement initiatives in partnership with engineering and support leads. Data Collection for Planning: Helps collect and track capacity, performance, and latency data to support platform planning efforts and prepare materials for business review meetings. Troubleshooting and Incident Response: Maintains a practical understanding of platform components (like OpenShift, ECS, CI/CD) to effectively support troubleshooting and incident response activities. Qualifications: Experience: 6-8 years of relevant experience in technical support, platform operations, or engineering. Core Expertise: Demonstrated experience supporting IT services, platform operations, or infrastructure, with participation in resilience and stability-focused activities. Architectural Acumen: Exposure to architecture concepts with the ability to contribute to technical discussions and understand design decisions. Collaboration and Communication: Strong communication skills and a proven ability to collaborate effectively with business partners, engineering teams, and other cross-functional stakeholders. Cloud-Native & DevOps Tooling (Preferred): Experience with Red Hat OpenShift/Kubernetes, CI/CD tools, and modern observability/monitoring tools (e.g., Prometheus, Grafana, Splunk). Database & Scripting Skills (Preferred): Experience with databases (e.g., Postgres, MongoDB) and scripting or coding abilities in languages like Java, Python, or Go. Organizational Skills: Strong organizational skills with the ability to manage a daily workload and effectively prioritize tasks. Generative AI Knowledge (Preferred): A working knowledge of Generative AI concepts. What we can offer you: By joining Citi Solutions Center Poland, you will not only be part of a business casual workplace with a hybrid working model (currently up to 2 days working at home per week), but also (potentially, subject to final offer) receive a competitive base salary and enjoy a whole host of additional benefits which can include: Employer paid Defined Contribution Pension Plan contribution of 6% of employee’s pensionable earnings (PPE Program) Employer paid Private Medical Care Package for employees and Private Medical Care Packages for certain family members available at preferential rates Employer paid Life Insurance Program for employees and Life Insurance for certain family members available at preferential rates Employee Assistance Program financed by Employer Paid Parental Leave Program (maternity and paternity leave; statutory and 2 weeks additional paid paternity leave) Sport Card for employees subsidized via Social Benefits Fund and Sport Cards for certain family members available at preferential rates Additional benefits from Company’s Social Benefit Fund, in particular: Holidays Allowance, support for sport and cultural activities, team building events. Additional day off for volunteering Cafeteria/ flex benefit – a company benefits system which enables employees to select and purchase benefits offered by a provider and available for employees on the platform. Opportunity to receive an annual discretionary incentive award Special offers and discounts for employees Copy and paste the URL below into a new tab on your web browser to view the Remuneration Regulations extract: https://tbcdn.talentbrew.com/company/287/cms/v3/docs/policies/RemunerationRegulations-KeyProvisions-CitibankEurope_plc_05012025_A.pdf Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self every day. We want the best talent around the world to be energized to join us, motivated to stay, and empowered to thrive. Sounds like Citi has everything you need? Then apply to discover the true extent of your capabilities. #LI-KK1 ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Support ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: 165 020,00 zł - 280 980,00 zł ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. 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🏢 Summary: Senior DevOps Engineer role focused on delivering and automating a new API Management platform in a banking environment. The position involves infrastructure provisioning, CI/CD pipeline development, container orchestration, and monitoring to support rapid internal and external integrations. Work is performed in a hybrid model with strong emphasis on cloud and automation technologies. 🗂️ Requirements: Proven experience with Docker, Strong knowledge of Kubernetes, Expertise in Terraform for infrastructure as code, Experience with AWS cloud services, Experience with Ansible for automation, Experience building and maintaining CI/CD pipelines, Experience with monitoring tools (Grafana, Prometheus or Splunk), Experience automating infrastructure provisioning 📃 Skills: Docker, Kubernetes, Terraform, AWS, Ansible, Grafana, Prometheus, Splunk, CICD, API 🏢 Description: Industry: banking Location: Hybrid- 3 days per week from office in Gdańsk, Gdynia, Warsaw or Łódź Rate: up to 170 pln/h on b2b Overview We are seeking a Senior DevOps Engineer to support the rollout of a new API Management platform designed for rapid integrations within our organization and with external partners. The ideal candidate will have a robust background in automation, particularly in provisioning infrastructure and implementing CI/CD pipelines. Key skills include proficiency in Docker, Kubernetes, and Terraform, alongside strong experience with AWS and monitoring tools. Main Responsibilities Automate infrastructure provisioning for API gateways using Terraform. Set up monitoring and logs to enhance system performance. Create and maintain CI/CD pipelines for updating APIs and configurations. Build a new Portal for the API catalog, focusing on container deployment and Kubernetes management. Improve monitoring and automation processes for the Kong Gateway project. Key Requirements Proven experience with Docker. Strong knowledge of Kubernetes. Expertise in Terraform for infrastructure as code. Familiarity with AWS cloud services. Experience with Ansible for automation. Proficient in monitoring tools such as Grafana, Prometheus, or Splunk. Nice to Have Familiarity with Kong Gateway or other API gateway implementations.

🏢 Summary: Backend Software Engineer focused on digital transformation, responsible for modernizing legacy monolithic systems into cloud-native microservices architectures. The role involves building event-driven solutions, high-performance REST APIs, and managing containerized workloads on AWS/GCP with strong emphasis on code quality and end-to-end ownership. Predominantly remote position contributing to a large-scale digital agenda in a fast-paced environment. 🗂️ Requirements: 5+ years professional software development experience, Proven experience with distributed systems, Strong proficiency in Java, Strong proficiency in Spring Boot and Spring Data, Experience with Docker and Kubernetes, Experience with AWS or GCP, Experience implementing event-driven architectures with Apache Kafka, Experience designing and developing RESTful APIs using OpenAPI/Swagger, Fluent English, Fluent Spanish 📃 Skills: Java, Spring, SpringBoot, SpringData, Docker, Kubernetes, AWS, GCP, Kafka, REST, OpenAPI, Swagger, CI/CD, Microservices 🏢 Description: We are seeking a highly skilled Backend Software Engineer with a focus on Digital Transformation . The ideal candidate will have extensive experience in modernizing legacy systems and a strong background in developing microservices architectures. Proven expertise in API development, cloud platforms, and containerized environments is crucial for this role. The individual will play a key role in driving innovative solutions while upholding the highest standards of code quality and delivery. Key Responsibilities Modernization: Drive the transition from legacy monolithic architectures to modular, microservice-based systems. Event-Driven Architecture: Design and implement robust streaming pipelines and messaging solutions (Apache Kafka) to handle high-volume, real-time data. API-First Engineering: Develop and maintain high-performance RESTful APIs, adhering to OpenAPI/Swagger standards. Cloud-Native Delivery: Manage containerized workloads on cloud platforms (AWS/GCP) using Kubernetes, with a focus on CI/CD automation. Code Quality: Uphold engineering excellence through comprehensive unit/integration testing, pair programming, and rigorous architectural design reviews. Ownership: Take end-to-end responsibility for features from initial design to production deployment and observability. Key Requirements 5+ years in professional software development with a proven track record in distributed systems. Deep proficiency in Java and the Spring ecosystem (Spring Boot, Spring Data). Solid experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, GCP). Proven ability to implement event-driven solutions using tools like Apache Kafka. Analytical problem-solver, comfortable navigating ambiguity, and passionate about continuous improvement/Clean Code. Fluent in English and Spanish, with the ability to bridge technical and business requirements. Nice to Have Experience with DevOps practices and CI/CD tools. Familiarity with Agile methodologies. Understanding of cloud security best practices. Other Details This position is focused on contributing to a transformative digital agenda, predominantly remote, with opportunities for collaboration across various teams. Ideal candidates will exhibit flexibility and readiness to adapt to new challenges in a fast-paced environment.