Senior Java Software Engineer Job at Sportradar (Warszawa)

Senior Java Software Engineer

The Sports Data & Odds Engineering organization is responsible for developing, d...

Location

Poland , Warszawa

Salary:

Not provided

Sportradar

Expiration Date

Until further notice

Requirements

5+ years of professional software development experience with strong Java expertise
Design and deliver distributed systems in production
Take ownership of complex initiatives independently
Mentor others naturally and perform technical reviews
Deep understanding of testing strategy, CI/CD
Communicate clearly with technical and non-technical stakeholders
Experience with AWS, Kafka, Kubernetes, and microservices at scale is a strong advantage

Job Responsibility

Design, build, and operate scalable, high-performance Java services for sports data and betting products running 24/7
Take independent ownership of complex technical initiatives from initial design through to production delivery
Contribute to cloud-native architecture on AWS
Mentor engineers around you through code review, pairing, and feedback
Drive improvements to code quality, test coverage, engineering practices, and team standards
Collaborate with product and engineering leadership on technical direction
Build expertise in real-time data environments

What we offer

Collaborative environment with colleagues from all over the world
Ability to shape your own workday and career via a development plan
Opportunity to work with senior leadership team
Vibrant and inclusive community including Women in Tech and Pride groups
Flexible working hours

Fulltime

Senior Java Software Engineer

Engineer the future of global finance. At Citi, our Tech team doesn't just suppo...

Location

Ireland , Dublin

Salary:

71440.00 - 107160.00 EUR / Year

Citi

Expiration Date

Until further notice

Requirements

Bachelor's degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineering, or similar)
In-depth experience in design and development of high performance, low-latency, multi-threaded applications
Extensive hands-on development experience in Java
Demonstrated ability to learn new business concepts and technologies
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Proficiency in core Java (substantial, in-depth experience) with demonstrable success in developing multi-threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling
Solid understanding of software development fundamentals including data structures, design patterns and object-orientated programming
Designing, developing, and consuming RESTful web services using Java and Spring Boot
Build Tools: Maven or Gradle for project management and build automation
Proven ability to develop clean, testable code

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

What we offer

competitive base salary (annually reviewed)
hybrid working model (up to 2 days working at home per week)
business casual workplace

Fulltime

Senior Java Software Engineer

We are looking for a skilled Senior Java Developer to join our team and take own...

Location

Egypt , Cairo

Salary:

Not provided

Arrow Electronics

Expiration Date

Until further notice

Requirements

Java, Spring Boot, Angular, Node.js, OOP, Design Patterns
JavaScript (Basics, AJAX), REST & SOAP Web Services
Native SQL, Oracle, MySQL, Database Design, ERD, JPA, Hibernate
Apache Solr, Elasticsearch, Kafka
Maven, CI/CD, Deployment Automation
Unit Testing (Junit, TestNG), TDD, Clean Code Practices
Apache Tomcat, WebLogic, JBoss, WebSphere, GlassFish, OC4J
Git, Configuration Management, JIRA, XML (XSD, DTD)
Familiarity with OWASP secure coding techniques and best practices to mitigate vulnerabilities
Hands-on experience or strong familiarity with building AI-enhanced features using LangChain, LangGraph, and similar orchestration frameworks

Job Responsibility

Design, implement, debug, and deploy Java-based applications across the full SDLC
Collaborate with cross-functional teams to develop robust, maintainable solutions
Contribute to technical design and architectural decisions using modern best practices
Maintain high code quality through unit testing and clean code principles
Support configuration, build automation, deployment, and continuous integration
Mentor junior developers and actively contribute to a culture of technical excellence
Stay up to date with industry trends and contribute ideas on integrating innovations such as Generative AI where applicable
Design and integrate agentic AI capabilities into applications, planning, tool usage, workflow automation, and intelligent decision-making
Collaborate with AI engineers to build, orchestrate, and optimize agent-based systems using LLMs, vector search and RAG workflows

Fulltime

Senior Java Software Engineer

We are looking for a strong mid level Java backend developers to implement new f...

Location

Germany , Berlin

Salary:

Not provided

KAYAK

Expiration Date

Until further notice

Requirements

Bachelor’s degree or higher in Computer Science or related field
5+ years of experience in JAVA
Hands-on experience with the Spring ecosystem (Spring/Spring Boot) and working knowledge of relational (SQL) and NoSQL databases (e.g., PostgreSQL, MySQL, Redis)
Strong English communication skills
Ability to design and implement engineering initiatives with minimal guidance

Job Responsibility

Optimize search and booking logic to handle the demands of greatest global corporate clients
Build and maintain high-performance integrations with third-party APIs (airlines, hotel and rentalcars providers)
Take full ownership of your designs: from initial concept to deployment while maintaining high standards for code quality and performance
Participate in code reviews and architectural steering to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise footprint

What we offer

Work from (almost) anywhere for up to 20 days per year
Company-paid therapy sessions through SpringHealth
Company-paid subscription to HeadSpace
Company-wide week off a year
No meeting Fridays
Paid parental leave
Generous paid vacation + time off for your birthday
Paid volunteer time
Development Dollars
Leadership development

Fulltime

Senior Java Software Engineer

Senior Java Software Engineer required by this leading financial services organi...

Location

Singapore , Singapore

Salary:

Not provided

Eames Consulting

Expiration Date

Until further notice

Requirements

A minimum of 4 years proven experience of producing solid Java code
Multi-threading
demonstrating strong stakeholder management capability
mentoring of more junior team members
offering a high knowledge of engineer best practices
Microservices
Kafka

Job Responsibility

Seasoned Java experience need for this role sitting within one of their business facing teams

Fulltime

Senior Java Software Engineer

The Applications Development Senior Programmer Analyst is an intermediate level ...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

7-12 years of relevant experience
Experience in systems analysis and programming of software applications
Experience in managing and implementing successful projects
Working knowledge of consulting/project management techniques/methods
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Low-latency, high-throughput API development (Spring Boot, Hibernate/JPA)
Strong Core Java and functional programming
Microservices and ecosystem
Data modeling (relational and NoSQL databases - Oracle, MongoDB)
PL/SQL, SQL, and Performance Tuning expertise

Job Responsibility

Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
Ensure essential procedures are followed and help define operating standards and processes
Serve as advisor or coach to new or lower level analysts
Has the ability to operate with a limited level of direct supervision
Can exercise independence of judgement and autonomy
Acts as SME to senior stakeholders and /or other team members

Fulltime

Senior Java Software Engineer

We’re looking for a Senior Java Software Engineer to play a pivotal role in tran...

Location

United Kingdom , London

Salary:

90000.00 - 110000.00 GBP / Year

Morson Talent

Expiration Date

Until further notice

Requirements

Strong expertise in Java and backend/server-side engineering
Proven experience building microservices and RESTful APIs
Solid understanding of SQL databases (DB2, SQL Server, or PostgreSQL)
A track record of delivering complex, high-impact systems
Experience working in Agile, delivery-focused environments
Strong communication skills and a collaborative, solutions-driven mindset
A proactive, ownership-led approach — you don’t just contribute, you lead change

Job Responsibility

Designing and building robust, scalable, and future-proof applications powering core banking services
Driving end-to-end ownership across the full software development lifecycle
Collaborating with engineering, UI/UX, and transformation teams to deliver solutions that matter
Translating complex business challenges into clean, efficient, and maintainable code
Championing modern engineering practices, design patterns, and architectural excellence
Contributing to a high-performing Agile environment (Scrum/Kanban)
Writing epics and user stories (BDD/Gherkin) that shape delivery outcomes
Continuously enhancing quality, performance, and delivery processes
Partnering with stakeholders across business, security, infrastructure, QA, and leadership
Using tools like Jira, Confluence, and Bitbucket to drive clarity and execution

What we offer

Excellent
Permanent role with clear career progression and long-term growth opportunities
Be part of a large-scale transformation programme with real organisational impact
Work on mission-critical systems used at scale
Gain exposure to modern technologies, architectures, and engineering practices
Join a culture that invests in people, innovation, and continuous improvement
Opportunity to shape the future direction of engineering within the organisation

Fulltime

Senior Java Software Engineer

A leading global financial services organisation is expanding its senior Java en...

Location

United Kingdom , London

Salary:

130000.00 GBP / Year

Hunter Bond

Expiration Date

Until further notice

Requirements

Strong experience in Java backend development (modern versions)
Proven track record building scalable, high-quality applications in complex environments
Comfortable collaborating with business-facing stakeholders
Ability to operate effectively at senior/VP-level within a delivery-focused engineering team

Job Responsibility

Develop and enhance a strategic enterprise platform with hands-on coding
Help define and uphold technical standards, design patterns, and best practices
Partner with fellow senior engineers to maintain platform stability and performance
Support the evolution of a globally used system with long-term impact

What we offer

Bonus & Benefits

Fulltime

Select Country

Senior Java Software Engineer

Job Description

Job Responsibility

Requirements

What we offer

Looking for more opportunities?

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Senior Java Software Engineer

Our AI answers in your language