CrawlJobs Logo

Senior Software Engineer - Java

Poland, Gdansk · Job Posted January 02, 2026
Apply Position
Job Link Share

Job Description

Software engineers working on Mastercard's Open Banking platform play a key role in the development and maintenance of the products that secure high quality connectivity to banks across Europe that is frictionless, safe and secure. Building on the strong foundation of our state-of-the-art bank connectivity APIs, the engineers create low-touch solutions that take the burden of handling customer onboarding and verification, transaction monitoring and anti-money laundering operations from customers that want to spend their efforts building great products that leverage the full potential of the open banking standard.

Job Responsibility

  • Development and maintenance of products that secure high quality connectivity to banks across Europe
  • Create low-touch solutions that take the burden of handling customer onboarding and verification, transaction monitoring and anti-money laundering operations from customers

Requirements

  • Deep knowledge of Java
  • Experience building software using modern development standards (ticketing systems like Jira, VCS, test automation, CI/CD pipelines)
  • Experience with services and APIs built in Java
  • Experience deploying to the cloud (AWS)
  • Experience building Java apps

Nice to have

  • Experience with provisioning infrastructure as code
  • Experience with containers (Docker)
  • Interest in computer security (Certificates, HTTPS)
  • Prior experience from working in closely regulated industries (financial, medical, etc.)
  • Prior experience dealing with handling personal information

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Software Engineer - Java

8 matching positions

Senior Software Engineer - Java

As a Senior Software Engineer, you will own a full life cycle of development and...
Location
Location
India , Pune
Salary
Salary:
Not provided
rapid7.com Logo
Rapid7
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years experience in software development using Java
  • Java Spring Boot
  • Dependency Management Tools such as Maven
  • Security Vulnerability Scanning such as Snyk or Trivy
  • Testing frameworks such as JUnit
  • Github Actions or Jenkins
  • Cloud Infrastructure such as AWS
  • Excited by technology, curious and eager to learn, with the ability to mentor more junior members of the team
  • The attitude and ability to thrive in a high-growth, evolving environment
  • Collaborative team player who has the ability to partner with others and drive toward solutions
Job Responsibility
Job Responsibility
  • Build, maintain, and release our well architected services by writing correct and clean code consistently and following best practices and conventions
  • Take an active role in the design and planning of upcoming features
  • When required, partner with internal teams such as UX and Product Management who work deeply with our product to ensure we are understanding our customers needs
  • Continue to develop a deep understanding of our products in order to support our customers
  • Work with Practice specific technologies
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Java

The Senior Java Engineer is an elite, hands on builder responsible for designing...
Location
Location
Poland , Warsaw
Salary
Salary:
Not provided
mastercard.com Logo
Mastercard
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5–7 years of professional experience building backend systems in Java
  • Strong expertise with Spring Boot and related ecosystem tools
  • Proven experience building CRUD based applications with clean data models and persistence layers
  • Hands on experience designing and implementing RESTful, API driven workflows
  • Solid understanding of relational databases, ORMs, and query optimization
  • Experience with containerized deployments (Docker) and exposure to Kubernetes environments
  • Familiarity with observability practices (logging, metrics, tracing)
  • Experience operating and supporting services in production environments
Job Responsibility
Job Responsibility
  • Design, implement, and maintain Spring Boot–based backend services supporting CME platform capabilities
  • Build and evolve API first services that expose clean, well documented interfaces for frontend and partner integrations
  • Implement robust CRUD workflows backed by well modeled relational and/or NoSQL data stores
  • Own services end to end, including: Data modeling and persistence
  • API design and versioning
  • Error handling and validation
  • Performance optimization and reliability
  • Write comprehensive unit and integration tests to ensure correctness and regression safety
  • Collaborate closely with Frontend, Platform, and Data engineers on API contracts and data flows
  • Participate in design reviews, code reviews, and production support activities
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Java

This role will require you to implement highly usable enterprise applications an...
Location
Location
India , Telangana; Karnataka
Salary
Salary:
Not provided
teradata.com Logo
Teradata
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • B.Tech/M.Tech/MCA/MSc in Computer Science, Information Technology, or related disciplines
  • 3–5 years of relevant industry experience in enterprise application development, agentic AI, or intelligent systems
  • Expert level knowledge with experience working with Java
  • Must have worked in one or more public cloud environments – AWS, Azure, or Google Cloud
  • Experience working in Linux environments and containerized setups using Docker
  • Solid understanding of relational databases and proficiency in SQL
  • Familiarity with AI coding tools such as GitHub Copilot, or VS Code extensions (AI proficiency is a must)
  • Hands-on experience with observability tools such as OpenTelemetry, Prometheus, Grafana, Datadog, or Splunk
  • Excellent communication and teamwork skills
Job Responsibility
Job Responsibility
  • Implement highly usable enterprise applications and tools using Java technologies
  • Analyze and design complex features built as increments to existing products
  • Design and develop features on the product roadmap
  • Evaluate, investigate, and tune/optimize the performance of the application
  • Design, develop, and maintain modern services of observability & telemetry platforms
  • Write efficient, scalable, and clean code primarily in Java, with optional use of Python
  • Collaborate with cross-functional teams to define, design, and ship new agentic features in an Agile development environment
  • Ensure the availability, reliability, and performance of deployed agents and supporting services
  • Integrate with CI/CD pipelines to enable seamless deployment and iterative development
  • Monitor and optimize agent performance, including reasoning efficiency, latency, token usage, and telemetry data
What we offer
What we offer
  • People-first culture
  • Flexible work model
  • Focus on well-being
  • Inclusive environment
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Java

Software engineers working on Mastercard's Open Banking platform play a key role...
Location
Location
Poland , Gdansk
Salary
Salary:
Not provided
mastercard.com Logo
Mastercard
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Deep knowledge of Java
  • Experience building software using modern development standards (ticketing systems like Jira, VCS, test automation, CI/CD pipelines)
  • Experience building Java apps
Job Responsibility
Job Responsibility
  • Development and maintenance of the products that secure high quality connectivity to banks across Europe
  • Create low-touch solutions that take the burden of handling customer onboarding and verification, transaction monitoring and anti-money laundering operations from customers
  • Fulltime
Read More
Arrow Right

Senior Software Engineer - Java

We are looking for a Senior Java/Kotlin Software Engineer to join the Doctolib’s...
Location
Location
France , Paris
Salary
Salary:
Not provided
doctolib.fr Logo
Doctolib
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Backend engineer with expert knowledge of Java/Kotlin & Spring boot
  • Solid understanding of web technologies and software development life cycle
  • Fluent in English
  • Ideally have a first experience in Platform Engineering or have worked with a Platform engineering team
  • Proactive, curious, collaborative and eager to learn
  • Have a “user first” mindset and want to build a product focused on bringing value to its users, through secure, well-tested and pragmatic code
Job Responsibility
Job Responsibility
  • Collaborate with product managers, designers, and other engineers to define and implement features to improve healthcare access for patients
  • Take a leading role within the team and contribute to establishing a technical vision that ensures the performance, security, and usability of the application, taking into account the future needs and the high scalability needs
  • Bring your expertise and experiences to help us continuously improve the way we design, implement, test, and monitor high-quality features
  • Improving the performance of key features implemented in Java/Kotlin and spring boot
  • Taking leadership on delivering roadmap items (together with the team)
  • Contributing to establishing a technical vision and co-drive the creation of the roadmap for next quarters
  • Providing help and advice to other teams as a Platform expert and co-building some of the solutions with them
What we offer
What we offer
  • Free health insurance for you and your children
  • Parent Care Program: receive one additional month of leave on top of the legal parental leave
  • Free mental health and coaching services through our partner Moka.care
  • For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support
  • Work from abroad for up to 10 days per year, thanks to our flexibility days policy
  • Up to 14 days of RTT
  • A subsidy from the work council to refund part of the membership to a sport club or a creative class
  • Lunch voucher with Swile card
  • Fulltime
Read More
Arrow Right

Software Engineer / Senior Software Engineer - Data Engineering GitHub

As a Software Engineer at GitHub, you will enhance the collaboration experience ...
Location
Location
Czech Republic , Multiple Locations
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Computer Science or related technical field AND experience in Data Engineering and coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust, or Python OR equivalent experience.
  • Master's Degree in Computer Science or related technical field AND engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust or Python OR Bachelor's Degree in Computer Science or related technical field AND engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, Ruby, Rust or Python OR equivalent experience.
Job Responsibility
Job Responsibility
  • Design, develop, test and ship high-quality technical solutions that scale across multiple GitHub services.
  • Collaborate with cross-functional teams to define and implement innovative solutions.
  • Provide technical leadership, mentorship, pairing opportunities, and code reviews to encourage the growth of others.
  • Own and advocate for the health and quality of the systems that the team builds, including participating in on-call and first responder rotations
  • Write architecture briefs and proposals, carry out code experiments, and build prototypes to learn how we can achieve planetary scale with our systems.
  • Design and implement APIs to facilitate seamless integration between software components.
  • Utilize CI/CD tools to set up automated pipelines for continuous integration and delivery.
  • Become intimately familiar with the systems you build and take pride in writing maintainable code.
  • Fulltime
Read More
Arrow Right

Software Engineer / Senior Software Engineer - CoreAI

Azure DevOps is a suite of modern development services that enables software dev...
Location
Location
Czech Republic , Prague
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Solid software development experience
  • Demonstrable experience with C#, C++, Java or any other OOP language
  • Strong analytical skills as well as communication skills both verbal and written
  • Ability to understand unfamiliar code bases, debug client and service side applications (including database stored procedures)
  • Knowledge and experience with Microsoft Azure, AWS or similar cloud computing platforms is preferred
  • Experience with SQL performance tuning (preferably Microsoft SQL Server)
  • Solid understanding of testing principles
  • Ability to prioritize and handle multiple tasks completely and independently and generate clarity in ambiguous situations
  • Troubleshooting skills across network, application, caching, queuing, load-balancing storage and distributed services layers
Job Responsibility
Job Responsibility
  • Design, develop, test and support features, experiences
  • Collaborate on the design and development of features and solutions, contributing to technical direction across business scenarios
  • Support highly available services used by top companies and millions of developers on a daily basis
  • Troubleshooting of complex issues through the entire tech stack including frontend and database layers
  • Participate in on-call rotations with your team. Triage and respond to issues and advocate for opportunities to improve service health
  • Collaborate through pairing and code reviews and contribute to a culture of learning and growth
  • Fulltime
Read More
Arrow Right

Backend Software Engineer / Senior Software Engineer- Kusto

Are you excited by the challenge of redefining how people explore and analyze ma...
Location
Location
Israel , Tel Aviv, Herzliya
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 4+ years of technical engineering experience with coding in languages including, but not limited to, C#, Python or Java
  • 2+ years building and running services in a cloud environment (Azure, AWS, or GCP)
  • Experience in designing and operating large-scale distributed systems with high availability and reliability
Job Responsibility
Job Responsibility
  • Design, develop, and improve cloud-native services that are scalable, secure, and easy to operate
  • Drive architectural decisions and lead the development of major components in a distributed, high-SLA system
  • Collaborate with cross-functional teams in ILDC and abroad to deliver end-to-end solutions
  • Conduct code and design reviews and mentor junior engineers to grow technical excellence across the team
  • Help shape the future of real-time analytics in Microsoft Fabric RTI, with customer impact as your north star
  • Fulltime
Read More
Arrow Right