April 9, 2026
Java SRE - Hybrid 2 days per week onsite - Warsaw
Senior • Hybrid
1,100 - 1,300 PLN
Warsaw, Poland
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.
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Hybrid
Warsaw, Poland
🏢 Summary: DevOps SRE Engineer role focused on production support and CI/CD automation for a high-impact cards and online payments project. The position involves maintaining cloud-based infrastructure, managing incidents, and performing deployments in a hybrid work model in Warsaw. Minimum 6-month engagement with potential extension. 🗂️ Requirements: 3–5 years of DevOps/SRE experience, Application production support experience, Experience building and maintaining CI/CD pipelines, Proficiency in Python, Proficiency in Java, Experience with cloud platforms, Working knowledge of containers, Experience in monitoring and incident management, Ability to perform deployments and patching 📃 Skills: Jenkins, GitHubActions, GitLabCI, AzureDevOps, Python, Java, AWS, Azure, GCP, Docker, Kubernetes, Monitoring, IncidentManagement, CICD 🏢 Description: We’re looking for an experienced DevOps SRE Engineer to join a fast-paced, high-impact project in the financial / payments domain. Duration of project: Minimum 6 months and will be extended Client location: Warsaw, Poland Working model : Hybrid working – 3 days from office per week Years of relevant exp needed: 3 to 5 yrs of experience Mandatory Skills: Application PROD Support Details about the project they would be working on: Cards and Online Payment Job description: Building and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Proficiency in Python, Java Experience with AWS / Azure / GCP Working knowledge of containers Monitoring and Incident Management Roles and Responsibilities post joining: Production Support Automation of the Support activities Monitoring and Incident Management Perform deployments and patching Desired Skills: Building and maintaining CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Proficiency in Python, Java Experience with AWS / Azure / GCP Working knowledge of containers Monitoring and Incident Management Benefits: Collaborative and supportive team culture Exposure to innovative projects in the biopharmaceutical industry Opportunity to work with global teams and stakeholders 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk
Technology
Inspeerity
Senior Java Developer
Senior
Remote
Warsaw, Poland
100 - 150 PLN/hr
🏢 Summary: B2B contract role for a Senior Java Developer focused on designing and maintaining scalable backend systems and APIs across diverse software projects, including AI-driven and legacy modernization initiatives. The position involves architectural input, code quality improvements, and deployment support in cloud environments within Agile teams. 🗂️ Requirements: Minimum 5 years of experience as a Java Developer, Commercial experience with Spring Boot or Hibernate, Strong knowledge of object-oriented programming and design patterns, Experience building and integrating RESTful APIs, Experience with SQL and NoSQL databases, Experience with cloud platforms (AWS, Azure, or GCP), Knowledge of CI/CD pipelines and version control systems, Experience working in Agile/Scrum teams, English proficiency at B2 level or higher, Experience with AI technologies or AI-powered solutions 📃 Skills: Java, Spring, SpringBoot, Hibernate, REST, SQL, NoSQL, PostgreSQL, MySQL, MongoDB, AWS, Azure, GCP, CI/CD, Git, OOP, Scrum, AI 🏢 Description: About position: We are currently building our talent pool for future Senior Java Developer roles. As our company is expanding, you may have the opportunity to work on a variety of software solutions across multiple initiatives, including projects we will be delivering in the future, from building native AI solutions to modernizing legacy systems. If you enjoy collaborating in a skilled team and are committed to delivering top-notch software, we’d love to connect. We're not prescriptive about background. Whether you've worked in fintech, SaaS, e-commerce, or enterprise systems, what matters is that you've shipped production software at scale, cared about its reliability, and learned from what broke. Who we are: We are Inspeerity (part of DevelopX group), engineering consultancy providing software development and consultancy. Our primary expertise is systems architecture and full stack development – from defining project requirements, to designing, building, and deploying software applications for web, backend, enterprise and mobile. We are crazy about technology, serious about people. TL;DR • Who : Senior Java Developer • Contract Type : B2B Framework Agreement. • Salary range: Up to 150 PLN/h • Company : Software House What you’ll be doing: Designing, implementing, and maintaining high-quality Java applications. Developing backend components and APIs to support scalable software solutions. Collaborating with cross-functional teams. Reviewing and refactoring code to ensure maintainability, performance, and security. Participating in technical design discussions and contributing to architecture decisions. Writing and maintaining technical documentation for systems, APIs, and processes. Supporting deployment and integration of applications in different environments. You will be the best fit if you have: 5 years of experience as a Java developer, preferably with exposure to Spring Boot, Hibernate, or similar frameworks. Strong understanding of object-oriented programming, design patterns, and clean code principles. Experience with RESTful APIs and web services integration. Familiarity with SQL and NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB). Experience with cloud environments such as AWS, Azure, or GCP. Knowledge of CI/CD pipelines and version control systems (e.g., Git). Strong problem-solving skills and ability to troubleshoot complex issues. English level B2 or higher. Experience working in Agile/Scrum teams and contributing to iterative development. Experience with AI technologies, including using AI tools for development and building AI-powered features or applications. What we offer : Remote work or working from our Bialystok, Warsaw, Rzeszow offices. It's up to you! Collaboration with experienced and engaged people who will appreciate your work and support you whenever you need it 😊 Hybrid and flexible cooperation model based on a B2B Framework Agreement. Great working conditions and best equipment: Dell or MacBook, your choose. Good to know: We don’t require a degree. We don’t do whiteboard puzzles or trick questions. Our interview process is practical: a technical conversation and a chat about how you work. We value direct communication and intellectual curiosity. If you’re someone who gets excited about debugging a tricky concurrency issue - not because you have to, but because you want to understand it — we’ll get along well.