Java Site Reliability Engineer (SRE) - Warsaw hybrid

🏢 Summary: Long-term B2B role focused on hands-on Java and React development within a microservices architecture, contributing directly to production code and system design. The position combines backend and frontend engineering with architectural responsibilities in a global, collaborative environment. The role supports high-frequency delivery in a financial services context. 🗂️ Requirements: Strong experience with Java, Strong experience with ReactJS, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Recent experience with modern Java versions, Experience delivering code changes at high frequency, Background in financial sector, preferably banking 📃 Skills: Java, ReactJS, Microservices, REST, PostgreSQL 🏢 Description: Working mode : Hybrid - 6 days per month at the Kraków office Contract type : B2B, long term cooperation Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes.

🏢 Summary: Long-term B2B opportunity for a senior engineer to deliver production-ready code and shape system architecture in a microservices environment. The role combines hands-on Java and React development with architectural responsibilities in a global, collaborative setup. It focuses on high-frequency delivery and technical excellence within the financial sector. 🗂️ Requirements: Strong Java experience (latest versions), Strong React experience, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Proven high-frequency code delivery, Experience in banking or financial sector 📃 Skills: Java, React, Microservices, REST, PostgreSQL, Banking, Docker, Kubernetes 🏢 Description: Working mode : Hybrid - 6 days per month at the Warsaw office Contract type : B2B, long term cooperation Rate : 200 PLN/h Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes. Other Details: This position offers the opportunity to work within a multi-regional team on innovative projects. Ideal for candidates seeking to leverage their development skills in a dynamic and evolving business context.

🏢 Summary: Long-term B2B hybrid role focused on hands-on Java and React development within a microservices architecture, contributing directly to production code and system design. The position emphasizes high-frequency delivery, REST API development, and collaboration in a global engineering environment. It combines technical leadership with active development in financial-sector projects. 🗂️ Requirements: Strong experience with Java, Strong experience with ReactJS, Experience with microservices architecture, Experience delivering RESTful APIs, Experience with PostgreSQL, Recent experience with modern Java versions, Ability to deliver code changes frequently, Background in banking or financial sector 📃 Skills: Java, ReactJS, Microservices, REST, PostgreSQL, Docker, Kubernetes 🏢 Description: Working mode: Hybrid - 6 days per month at the Kraków office Contract type: B2B, long term cooperation Rate: 200 PLN/h Summary: This role focuses on hands-on development and system architecture, driving engineering culture, and enhancing business growth through technical expertise in a collaborative, global environment. Main Responsibilities: Deliver code to production and support system architecture aligned to microservices Understand business, engineering, and non-functional requirements Drive the desired engineering culture across teams Collaborate with a globally diverse team across regions Proactively remove impediments, assess risks, and communicate issues to program management Identify and eliminate process inefficiencies Key Requirements: Strong Java and React programming experience Experience in microservice architecture Background in the financial sector, particularly banking Proven capability of delivering code changes at high frequency Experience with RESTful API delivery Familiarity with PostgreSQL databases Recent Java experience, preferably with the latest versions Experience with ReactJS for UI application development Nice to Have: Knowledge of containers and orchestration technologies like Docker and Kubernetes. Other Details: This position offers the opportunity to work within a multi-regional team on innovative projects. Ideal for candidates seeking to leverage their development skills in a dynamic and evolving business context.

🏢 Summary: Hands-on Site Reliability Engineer role focused on ensuring stability, scalability, and observability of a mission-critical distributed risk and analytics platform in hybrid cloud environments. The position centers on production reliability, incident response, automation, and continuous improvement of monitoring and deployment processes. You will collaborate with engineering teams to strengthen system resilience, performance, and operational standards. 🗂️ Requirements: Strong Java experience in distributed systems, Experience with observability and monitoring tools, Hands-on experience with hybrid cloud environments (preferably GCP), Experience with CI/CD pipelines and automation tools, Solid knowledge of Linux systems administration, Understanding of RDBMS fundamentals, Experience with job schedulers (e.g., Control-M), Ability to lead incident response and root-cause analysis 📃 Skills: Java, Grafana, Prometheus, Loki, OpenTelemetry, GCP, Jenkins, Ansible, Linux, SQL, Control-M, CI/CD 🏢 Description: We’re looking for a seasoned Site Reliability Engineer to support a high‑performance, mission‑critical risk and analytics platform used across global trading and finance environments. You’ll play a key role in ensuring the stability, scalability, and observability of complex distributed systems running across hybrid cloud infrastructure. In this role, you’ll take ownership of production reliability driving incident response, conducting root‑cause analysis, improving monitoring capabilities, and delivering automation that reduces operational toil. You’ll work closely with development teams, platform engineers, and service management leads to strengthen resilience, refine processes, and enhance the engineering culture around availability and performance. This is a hands on technical position suited to someone who thrives in high‑throughput environments, communicates clearly, and enjoys solving deep engineering problems in real time. Core Responsibilities Maintain and improve the reliability, uptime, and performance of distributed applications. Lead incident response, triage complex issues, coordinate recoveries, and deliver structured post‑incident reviews. Enhance observability—designing and evolving monitoring, alerting, logging, and tracing frameworks. Drive continuous improvement across automation, deployment processes, and service stability. Collaborate with cross‑functional teams to influence architecture, design, and operational standards. Support CI/CD pipelines, environment configuration, and vulnerability remediation. Contribute to a knowledge‑driven culture through documentation, tooling, and best‑practice adoption. Required Skills & Experience Strong Java background with proven experience supporting or developing distributed systems. Observability tooling expertise (Grafana, Prometheus, Loki, OpenTelemetry or similar). Hands‑on with hybrid cloud environments , ideally with GCP or another major cloud provider. CI/CD and automation experience (e.g., Jenkins, Ansible). Solid understanding of Linux , RDBMS fundamentals , and job schedulers (e.g., Control‑M or equivalents). Strong analytical mindset with a methodical approach to troubleshooting. Excellent communication skills and comfort working in Agile teams.

🏢 Summary: The offer is for a Java SRE Engineer responsible for ensuring reliability, scalability, and performance of mission-critical fintech systems in a cloud-native environment. The role combines Java development with Site Reliability Engineering practices, focusing on automation, observability, and production support. You will work with modern cloud, container, and AI-powered tools to improve operational excellence and system resilience. 🗂️ Requirements: 5+ years of experience in Java development or Site Reliability Engineering, Strong knowledge of Java, Spring Boot, REST APIs, Microservices, Experience managing production systems in high-availability environments, Strong understanding of monitoring, observability, incident management, root cause analysis, performance tuning, reliability engineering, Experience with Prometheus, Grafana, ELK or OpenSearch, Hands-on experience with Kubernetes and Docker, Experience with at least one cloud platform: AWS, Azure or GCP, Experience with Jenkins and CI/CD pipeline development, Experience with infrastructure automation and scripting, Experience with PostgreSQL, MySQL or Oracle, 2+ years of experience in fintech, payments or financial services, Knowledge of PCI DSS and security/compliance standards 📃 Skills: Java, Spring, SpringBoot, REST, Microservices, SRE, Prometheus, Grafana, ELK, OpenSearch, Splunk, Kubernetes, Docker, AWS, Azure, GCP, Jenkins, CI/CD, PostgreSQL, MySQL, Oracle, Terraform, Ansible, Linux, PCI-DSS 🏢 Description: 🚀 Java SRE Engineer 📍 Hybrid | 2 days from the office in Warsaw Are you passionate about reliability, automation, cloud technologies, and building resilient systems at scale? We're looking for a Java SRE Engineer to join our growing team and help ensure the stability, security, and performance of mission-critical applications within the fintech and payments domain. As part of our engineering organization, you'll combine software engineering expertise with Site Reliability Engineering practices to improve platform reliability, automate operations, and drive operational excellence. You'll also leverage modern AI-powered tools to enhance troubleshooting, automation, and engineering productivity. 💡 Your Mission ⚙️ Site Reliability Engineering Ensure the availability, reliability, scalability, and performance of critical production systems. Design and implement monitoring, alerting, and observability solutions. Manage incident response, root cause analysis, and post-mortem activities. Establish and monitor Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Service Level Agreements (SLAs). Drive reliability improvements through automation and engineering best practices. ☕ Software Engineering Develop and maintain automation tools and platform services using Java. Improve system resilience, performance, and operational efficiency. Collaborate with development teams to build highly reliable applications. Support production environments and participate in on-call rotations when required. ☁️ Cloud & Infrastructure Design and maintain cloud-native infrastructure. Manage containerized environments using Docker and Kubernetes. Implement Infrastructure as Code (IaC) practices. Optimize platform scalability, security, and cost efficiency. 🤖 AI-Powered Engineering Utilize tools such as GitHub Copilot, ChatGPT, Claude, and Cline to improve automation and operational efficiency. Explore AI-driven approaches to incident management, monitoring, and system optimization. Promote best practices for AI adoption within engineering teams. 🔐 Security & Compliance Support implementation of security controls and operational best practices. Assist with compliance requirements and operational audits. Ensure secure handling of sensitive financial and customer data. 🤝 Collaboration Partner closely with Software Engineers, DevOps Engineers, Security Teams, and Product Owners. Participate in Agile ceremonies and reliability planning sessions. Contribute to technical documentation and knowledge-sharing initiatives. 🎯 Must-Have Skills Backend & Automation ✔️ 5+ years of experience in Java development or Site Reliability Engineering ✔️ Strong knowledge of: Java Spring Boot REST APIs Microservices architecture SRE & Operations ✔️ Experience managing production systems in high-availability environments ✔️ Strong understanding of: Monitoring and observability Incident management Root cause analysis Performance tuning Reliability engineering principles ✔️ Experience with: Prometheus Grafana ELK Stack or OpenSearch Splunk (nice to have) Cloud & Containers ✔️ Hands-on experience with: Kubernetes Docker ✔️ Experience with cloud platforms: AWS Azure GCP CI/CD & Automation ✔️ Jenkins ✔️ CI/CD pipeline development and maintenance ✔️ Infrastructure automation and scripting Databases ✔️ Experience with: PostgreSQL MySQL Oracle ⭐ Nice to Have Experience with Terraform, Ansible, or Infrastructure as Code tools Experience supporting fintech or payment platforms Knowledge of Linux system administration Experience with distributed systems and event-driven architectures Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years of experience in fintech, payments, or financial services Knowledge of PCI DSS requirements Familiarity with payment processing systems and financial transaction platforms Understanding of security and compliance standards within regulated industries 🎁 What You'll Get ✨ Opportunity to work on large-scale, business-critical systems ✨ Modern cloud-native technology stack ✨ Exposure to AI-powered engineering and automation tools ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative engineering culture focused on innovation and reliability ✨ Influence on platform architecture and operational excellence ✨ Continuous learning and career development opportunities 🚀 Ready to build reliable, scalable systems that power the future of fintech? Join us and help create highly available platforms where engineering excellence, automation, and innovation come first.

🏢 Summary: B2B contract role for a Java Site Reliability Engineer working on a large-scale payments platform with high transaction volumes across multiple regions. The position focuses on ensuring reliability, performance, and security of production systems through incident management, automation, and continuous improvement. Hybrid work model based in Warsaw with close involvement in live production environments. 🗂️ Requirements: Experience in Site Reliability Engineering, DevOps, or production support, Strong knowledge of Java or Go, Hands-on experience with Kubernetes, Knowledge of relational databases (DB2, MySQL or similar), Experience with Shell scripting and Python, Ability to troubleshoot complex production systems 📃 Skills: Java, Go, Kubernetes, DB2, MySQL, Shell, Python, Hadoop, Kafka, Spark, Scala, Hive, AWS, REST, SOAP, JVM 🏢 Description: Java Site Reliability Engineer – Payments Platform (B2B Contract) We are currently looking for an experienced Java SRE to join a team working on a fantastic organisation. This system operates at a very large scale and supports high volumes of transactions across multiple regions, where stability, performance, and security are essential. This role is well suited to someone who enjoys working close to production systems, solving complex technical issues, and continuously improving reliability through automation and engineering best practices. Project information Start date: as soon as possible Work model: hybrid, with approximately three days per week in the office Location: Warsaw Contract type: B2B Responsibilities Your day-to-day work will include: • In this role, you will be responsible for maintaining the reliability and performance of critical systems. Investigating and resolving production incidents in a timely manner Performing root cause analysis and implementing long-term solutions Developing scripts and tools to automate operational and support tasks Supporting application releases and production deployments Monitoring system performance and improving observability Collaborating with distributed teams across different regions Contributing to continuous improvement of processes and system stability Required experience and skills Previous experience in a Site Reliability Engineering, DevOps, or production support role Strong knowledge of Java and/or Go (Golang) Hands-on experience with Kubernetes Solid understanding of relational databases such as DB2, MySQL , or similar technologies Experience with scripting languages, particularly Shell scripting and Python Ability to troubleshoot complex systems and work effectively in a live production environment Nice to have Experience with technologies from the Hadoop ecosystem, such as Kafka, Spark, Scala, or Hive Familiarity with cloud platforms, especially Amazon Web Services (AWS) or similar Understanding of service-oriented architecture and web services, including REST and SOAP Experience with Java Virtual Machine performance analysis, including memory and garbage collection Knowledge of content delivery networks or distributed traffic management solutions Previous exposure to the financial services or payments domain Personal qualities Strong problem-solving mindset and attention to detail Ability to work under pressure and manage multiple priorities effectively A proactive approach with a sense of ownership and accountability Good communication skills and the ability to collaborate within international teams Willingness to work flexible hours when required, including occasional shifts What is offered Opportunity to work on a globally used, large-scale platform Collaboration with experienced international engineering teams A stable project environment with potential for long-term cooperation Opportunities for professional development and technical growth If this opportunity sounds of interest, please feel free to get in touch to discuss further details.

🏢 Summary: The offer is for a Network Automation / DevOps Engineer responsible for transforming a global, high-availability financial network into a highly automated, observable, and self-service platform. The role focuses on building advanced telemetry, monitoring, and infrastructure automation solutions in a low-latency capital markets environment. It combines deep networking expertise with Infrastructure as Code and cloud integration. 🗂️ Requirements: Experience with modern monitoring and telemetry stacks, Hands-on experience with network automation tools, Proficiency in Python programming, Experience with Infrastructure as Code, Knowledge of NETCONF or RESTCONF, Strong understanding of BGP, OSPF, PIM, IGMP, Experience with AWS networking, Ability to perform deep packet analysis, Experience managing multi-vendor network environments, Willingness to participate in 24/7 on-call rotation 📃 Skills: Python, Git, Ansible, Jinja, Terraform, Netbox, Temporal, Prometheus, Grafana, Telegraf, gNMI, YANG, NETCONF, RESTCONF, BGP, OSPF, PIM, IGMP, AWS, Cisco 🏢 Description: Location: Warsaw, Poland (City Centre, near Rondo ONZ) — Hybrid model (3 days a week in the office, 2 days remote) Contract Type: Permanent (Umowa o Pracę) About the Role & Project: We are recruiting for our client – a rapidly growing, global financial institution operating in the capital markets. We are looking for an engineer eager to bridge the gap between traditional network engineering and modern DevOps practices. This is not a role for a traditional network administrator. We are seeking a specialist whose default approach to repetitive tasks is automation, and who is passionate about building advanced telemetry and monitoring systems. Your mission will be to transform a global, high-availability infrastructure into a self-service, highly observable platform. If you thrive in environments where system stability and milliseconds directly impact business outcomes, and where manual intervention is treated as a problem to be solved with code, this is the team for you. Key Responsibilities: Design, implement, and maintain advanced telemetry, monitoring, and predictive alerting systems for a global, high-availability network. Develop, scale, and maintain automation tools to streamline network workflows (from automated provisioning to zero-touch deployments). Collaborate closely with engineering and investment teams to align network performance with dynamic business and trading requirements. Define, implement, and maintain configuration standards across a robust multi-vendor environment. Serve as the senior escalation point for troubleshooting and resolving complex performance and routing anomalies. Participate in a 24/7 on-call rotation and scheduled out-of-hours maintenance windows. Technical Profile (Technical Fit): Observability-First Mindset: Practical experience with modern monitoring stacks, telemetry protocols, and metrics collection (Prometheus, Grafana, Telegraf, gNMI, YANG, Cisco Telemetry). Automation as a Standard: Strong hands-on experience with automation tools and frameworks such as Ansible, Jinja, Terraform, Netbox, and workflow engines (e.g., Temporal). Infrastructure as Code (IaC) & Dev Skills: Proficiency in Python and Git, with experience managing network configurations programmatically (NETCONF/RESTCONF). Core Networking Foundations: Solid understanding of routing protocols and multicast environments (BGP, OSPF, PIM, IGMP). Public Cloud Integration: Practical knowledge of building and managing cloud network infrastructure (AWS). Advanced Troubleshooting: Ability to perform deep-packet analysis and diagnose complex, transient network issues under pressure. Personal Attributes (Cultural Fit): A continuous learning mindset with a drive to proactively identify and optimize inefficient processes. Ability to work independently, taking ownership of projects and delivering them on schedule with minimal supervision. Excellent communication and collaboration skills, comfortable working in a fast-paced, international team. Strong analytical thinking and decision-making skills under pressure. Bonus Points: Experience integrating enterprise-grade VoIP and cloud collaboration systems. Familiarity with network security, identity management, and segmentation solutions (e.g., Cisco ISE). A basic understanding of financial markets, trading lifecycles, or quantitative trading environments. What We Offer: Stable Employment: Full-time employment contract (Umowa o Pracę - UoP). Tax Optimization: Eligibility for creative tax-deductible costs (KUP - Koszty Uzyskania Przychodu). Financial Reward: Highly competitive base salary accompanied by a generous annual performance bonus. Comprehensive Health: Premium private medical care package that fully includes dental coverage (stomatologia). Wellness & Lifestyle: MultiSport card to keep you active and healthy. Daily Perks: Pre-funded lunch card for your daily meals.

🏢 Summary: Senior Java Developer role focused on designing, building, and maintaining scalable, secure, high-performance backend systems using modern Java and cloud-native technologies. The position involves working in Agile teams, leading technical discussions, mentoring developers, and driving DevOps automation. Hybrid work model with regular presence in the Warsaw office. 🗂️ Requirements: 8+ years of backend development experience, Proficiency in Java 17+, Experience with Spring Boot and Spring Security, Strong knowledge of Hibernate and JPA, Experience with Maven, Strong SQL skills with PostgreSQL, Experience in cloud-native application development, Hands-on experience with Git and GitHub pipelines, Experience with CI/CD tools, Experience with Kubernetes and Helm, Ability to write Bash/Shell scripts, Experience with JUnit, AssertJ, and Hamcrest, Degree in Computer Science or equivalent experience 📃 Skills: Java, Spring, SpringSecurity, Hibernate, JPA, Maven, PostgreSQL, SQL, Kubernetes, Helm, Docker, Bash, Git, GitHub, CICD, JUnit, AssertJ, Hamcrest 🏢 Description: Role Overview As a Senior Java Developer, you will design, build, and maintain scalable, secure, and high-performance backend systems. Working closely with cross-functional teams, you’ll drive innovation – including the use of GenAI tools like GitHub Copilot -and mentor other developers. Work mode: hybrid 2-3 days / 5 days at the Warsaw office. Key Responsibilities Backend & DB: Develop robust, multi-tenant applications using Java 17+, Spring Boot, and PostgreSQL. DevOps & Automation: Manage deployments using Docker, Kubernetes, and Helm; automate tasks via Bash/Shell scripting. Leadership & Agile: Lead design discussions, mentor peers, and actively participate in Scrum events within a distributed team. Requirements Technical Skills: Java Stack: Java 17+, Spring (Boot, Security), Hibernate/JPA, Maven. Data & Cloud: SQL (PostgreSQL), cloud-native application development. DevOps & CI/CD: Git/GitHub (pipelines), CI/CD tools, Kubernetes, Helm, Bash. Testing: JUnit, AssertJ, Hamcrest. Skills & Experience: 8+ years of professional backend experience (preferably in enterprise environments). Degree in Computer Science (or equivalent experience). Fluent English ( B2/C1 ) and strong collaboration skills in Agile teams. Nice-to-Have Kafka & Event-driven / Microservices architecture. Python, C, or Go (Golang) scripting. Monitoring tools (Kibana, Grafana, Prometheus). Security best practices (OWASP Top 10) & Jira. Client A global leader with a sharp focus on lottery solutions. A confident step forward building on a long history of delivering safe and secure technology, demonstrating strong commitment to customers as a dedicated lottery service provider. Leveraging collective insight, experience, and expertise to create reliable and engaging solutions that help lottery clients achieve objectives, meet player needs, and deliver meaningful benefits to communities.

🏢 Summary: Hybrid B2B role for an Application Support Engineer focused on production support, DevOps practices, and CI/CD pipeline management in complex environments. The position involves leading incident resolution, optimizing service performance, managing containerized deployments, and driving automation and Infrastructure as Code initiatives. The role also supports AI/ML workloads and continuous improvement of operational processes. 🗂️ Requirements: Experience with Docker containerization, Experience with Kubernetes orchestration, Proficiency with CI/CD tools (Jenkins, Maven), Advanced troubleshooting using Splunk, Experience with relational databases (Oracle, DB2), Strong knowledge of DevOps practices, Experience managing production and pre-production environments, Ability to lead RCA and incident management processes 📃 Skills: Docker, Kubernetes, Jenkins, Maven, Splunk, Oracle, DB2, DevOps, CI/CD, RCA, IaC 🏢 Description: B2B contract rate 130 pln/h + VAT work mode: hybrid, Gdańsk We are seeking an experienced Application Support Engineer to join the team. The ideal candidate will have a deep understanding of DevOps practices, innovative solutions, and the ability to manage complex environments effectively. Main Responsibilities Lead RCA processes and implement preventive measures for incident & problem management. Monitor, analyze, and optimize service performance and stability in production support. Build, maintain, and enhance deployment pipelines for multiple APIs in CI/CD management. Maintain Pre-Production and Production environments through effective environment management. Collaborate closely with Platform Operations teams and the delivery factory to foster cross-team collaboration. Create comprehensive runbooks and knowledge bases for operational procedures. Evaluate and implement new DevOps tools, practices, and AI-powered solutions to drive innovation leadership. Implement Infrastructure as Code practices and drive automation for self-healing infrastructure solutions. Support AI/ML workload deployments and operations. Lead the adoption of emerging technologies and best practices. Key Requirements Experience with Docker containerization and Kubernetes orchestration. Proficient in CI/CD tools such as Jenkins and Maven. Advanced troubleshooting skills using tools like Splunk. Proficient in relational databases, specifically Oracle and DB2. Nice to Have Experience with Infrastructure as Code using Ansible. Basic knowledge of Spring, Hibernate, XML, JSON, and Kafka. Experience with modern observability tools such as Prometheus, Grafana, and ELK stack. Experience in AI/ML operations (MLOps) and AI agent deployments. Knowledge of AI model serving platforms and ML workload containerization. Strong understanding of AI agent orchestration and workflow automation. Ability to evaluate and integrate new DevOps tools and practices. Software development knowledge in Java/J2EE. Experience with cloud platforms (AWS, Azure, or GCP). Familiarity with IBM Datastage.

🏢 Summary: Senior Site Reliability Engineer role focused on building and standardizing SRE practices across a hybrid AWS and on-prem infrastructure. The position centers on ensuring scalability, resilience, and high availability of high-frequency, data-intensive platforms through observability, automation, and Kubernetes optimization. You will define SLOs, enhance monitoring architecture, and drive reliability culture across engineering teams. 🗂️ Requirements: 5+ years experience in SRE, DevOps, or Infrastructure Engineering supporting distributed production systems, Bachelor’s degree in Computer Science, Computer Engineering, or related field (or equivalent experience), Deep expertise in Grafana, Prometheus, Loki, and Tempo (OpenTelemetry), Strong production experience with Docker and Kubernetes, Experience managing hybrid infrastructure (AWS and on-premises), Proficiency in at least one language: Python, Go, or Bash, Hands-on experience with CI/CD pipelines and Infrastructure-as-Code, Experience defining and managing SLOs and SLAs, Willingness to participate in on-call rotation 📃 Skills: AWS, Kubernetes, Docker, Prometheus, Grafana, Loki, Tempo, OpenTelemetry, Python, Go, Bash, CI/CD, IaC, Git, Hypervisors 🏢 Description: About the Client Our client is a premier, global investment management firm operating at the intersection of finance and technology. Known for their sophisticated, data-intensive systems, they build and maintain high-performance platforms that process massive volumes of market and operational data. To support their expanding footprint, they are looking for a senior-level Site Reliability Engineer (SRE) who will take ownership of shaping, standardizing, and scaling their SRE frameworks and reliability culture from the ground up. The Role In this role, you will serve as a foundational force for SRE practices, partnering directly with Cloud, Infrastructure, and Software Engineering squads. You will work across a hybrid infrastructure (combining advanced AWS cloud environments and physical on-premises servers) to guarantee the scalability, resilience, and maximum uptime of critical, high-frequency transactional platforms. Core Responsibilities SRE Evangelism: Design, implement, and champion core reliability principles, helping technology teams adopt sustainable scaling practices. Observability Architecture: Implement, scale, and maintain end-to-end monitoring, telemetry, and distributed tracing systems utilizing Prometheus, Grafana, Loki, and Tempo (OpenTelemetry framework). Kubernetes Optimization: Establish best-practice configurations for containerized workloads, ensuring applications running on Kubernetes are highly resilient, cost-effective, and performant. Incident Management & Culture: Participate in a balanced, shared on-call rotation (averaging one week per month). Automation & Engineering: Build custom tooling and CI/CD pipelines to automate routine tasks, system health checks, and rapid disaster recovery workflows. SLO/SLA Definition: Partner with product and engineering teams to define, monitor, and enforce Service Level Objectives (SLOs) and Error Budgets. What We Look For Experience: 5+ years of hands-on experience in a dedicated SRE, DevOps, or Infrastructure Engineering role supporting complex, distributed production systems. Education: A Bachelor’s degree in Computer Science, Computer Engineering, or a related technical discipline (or equivalent practical experience). Observability Expertise: Deep, subject-matter knowledge of modern monitoring stacks, specifically Grafana, Prometheus, Loki, and Tempo (OTel). Orchestration & Containers: Strong, production-grade expertise in containerization (Docker) and orchestration (Kubernetes). Hybrid Infrastructure: Experience navigating hybrid models—managing both cloud services (AWS preferred) and physical on-premise hardware resources. Scripting/Coding: Proficiency in writing clean, maintainable code in at least one scripting or programming language (e.g., Python, Bash, or Go) to build reliable automation. Methodologies: Solid grounding in CI/CD concepts, infrastructure-as-code (IaC), and agile development processes. Soft Skills: Excellent verbal and written communication skills, with a proven ability to convey complex infrastructure and reliability concepts to both technical and non-technical stakeholders. What We Offer Stable Employment: Full-time employment contract ( Umowa o Pracę - UoP ). Tax Optimization: Eligibility for creative tax-deductible costs ( KUP - Koszty Uzyskania Przychodu). Financial Reward: Highly competitive base salary accompanied by a generous annual performance bonus . Comprehensive Health: Premium private medical care package that fully includes dental coverage (stomatologia) . Wellness & Lifestyle: MultiSport card to keep you active and healthy. Daily Perks: Pre-funded lunch card for your daily meals. Tech Stack at a Glance Cloud & Virtualization: AWS, Kubernetes, Docker, On-Premises Hypervisors Observability: Prometheus, Grafana, Loki, Tempo, OpenTelemetry (OTel) Languages: Python, Go, Bash CI/CD & Automation: Git-based pipelines, Configuration Management, IaC