CrawlJobs Logo

Java Developer

ascendixtech.com Logo

Ascendix Tech

Location Icon

Location:

Category Icon
Category:
IT - Software Development

Job Type Icon

Contract Type:
B2B

Salary Icon

Salary:

Not provided
Save Job
Save Icon
Apply Position

Job Description:

Join our team working on a large-scale mobility platform designed to improve and modernize intercity and airport transportation services across Europe! The project focuses on creating a seamless digital ecosystem for travel management, encompassing ticket reservations, real-time scheduling, customer communication, and operational support for transportation services. The platform is composed of several microservices developed in Java and Spring Boot, with integrations to third-party systems (payment providers, route optimization services, etc.). The system architecture supports both B2B and B2C operations and is designed for high availability and scalability.

Job Responsibility:

  • Design, develop, test, and maintain robust and scalable backend solutions using Java
  • Participate in the full software development lifecycle (SDLC), including analysis, planning, implementation, testing, deployment, and support
  • Collaborate closely with front-end developers, QA engineers, product owners, and other team members to deliver high-quality software solutions
  • Write clean, maintainable, and well-documented code following best practices and coding standards
  • Participate in code reviews to ensure high quality and knowledge sharing within the team
  • Debug and resolve technical issues in a timely and effective manner
  • Take ownership of assigned tasks and deliver features on time, with minimal supervision
  • Stay updated on emerging technologies and trends in backend development and proactively apply them where beneficial

Requirements:

  • 3+ years of proficiency in Java technologies
  • Understanding of APIs and microservices patterns
  • Extensive experience with Java 17, Spring Boot
  • Proficiency in database theory, SQL, and best practices for No-SQL databases
  • Familiarity with Kubernetes and Spring Boot integration testing
  • Adherence to best engineering practices like SOLID, KISS, DRY, and more
  • Writing efficient code that thrives in concurrent and high-load environments
  • A strong grasp of estimation techniques
  • Exceptional problem-solving skills
  • Upper-intermediate English proficiency

Nice to have:

  • Experience in Java 21
  • Experience in DevOps with Terraform and Helm Charts
  • Azure Cloud expertise
  • Knowledge of Redis (Redisson client for Java)
  • Good theoretical and practical MongoDB knowledge
  • Experience in designing and optimizing database schemas, writing queries, and aggregating
  • Understanding the specifics of working with NoSQL databases
  • Experience with Kafka
What we offer:
  • 20 paid vacation
  • 5 paid sickness
  • B2B and remote cooperation
  • Career development and professional growth
  • Technical performance reviews and 360 Evaluation
  • Collaboration with a personal Direct Manager, Technical leads, and mentors
  • Udemy and Pluralsight subscription
  • Internal knowledge-sharing opportunities
  • Online and offline events & team-buildings
  • Friendly and supportive atmosphere
  • Open management

Additional Information:

Job Posted:
December 06, 2025

Employment Type:
Fulltime
Work Type:
Remote work
Icon
Ascendix Tech - All Job Offers
Job Link Share:
Copy Link Icon
Facebook Icon Twitter Icon LinkedIn Icon

Looking for more opportunities? Search for other job offers that match your skills and interests.

Briefcase Icon

Similar Jobs for Java Developer

Java Developer (Java & Golang)

The Java Developer (Java & Golang) will work for a world leading technology comp...
Location
Location
Sweden , Malmo
Salary
Salary:
Not provided
airswift.com Logo
Airswift Sweden
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Java
  • Golang
  • APIs
  • Testing
  • Automation Tools
Job Responsibility
Job Responsibility
  • Develop and maintain online services using Java and Golang
  • Make sure these services are fast, secure, and always available
  • Handle things like user login, scaling for large numbers of users, and preventing spam
  • Optimize performance and write APIs
  • Work with automation tools to speed up testing and deployment
  • Fulltime
Read More
Arrow Right

AI Trainer - Advanced Java Developers

We’re looking for Java Developers to help train and evaluate cutting-edge AI mod...
Location
Location
United States; Canada
Salary
Salary:
Not provided
prolific.com Logo
Prolific
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Java developer skills and verifiable professional experience as a Java developer
  • A willingness to take our skills verification test to assess your suitability for our Domain Expert participant pool
  • Strong attention to detail and the ability to concentrate on complex tasks for up to one hour at a time
  • A reliable and fast internet connection and access to a computer
  • A willingness to self-declare your earnings, as our participants are self-employed
  • A Paypal account to receive payment from our clients
Job Responsibility
Job Responsibility
  • Completing AI training tasks such as analyzing, editing, and writing Java
  • Judging the performance of AI in performing Java-related prompts
  • Improving cutting-edge AI models
What we offer
What we offer
  • Competitive pay rates
  • Flexible hours
  • Ability to work from home
Read More
Arrow Right

AI Trainer - Advanced Java Developers

We’re looking for Java Developers to help train and evaluate cutting-edge AI mod...
Location
Location
Salary
Salary:
Not provided
prolific.com Logo
Prolific
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Java developer skills and verifiable professional experience as a Java developer
  • A willingness to take our skills verification test to assess your suitability for our Domain Expert participant pool
  • Strong attention to detail and the ability to concentrate on complex tasks for up to one hour at a time
  • A reliable and fast internet connection and access to a computer
  • A willingness to self-declare your earnings, as our participants are self-employed
  • A Paypal account to receive payment from our clients
Job Responsibility
Job Responsibility
  • Completing AI training tasks such as analyzing, editing, and writing Java
  • Judging the performance of AI in performing Java-related prompts
  • Improving cutting-edge AI models
What we offer
What we offer
  • Influence the AI models of the future
  • Competitive pay rates
  • Flexible hours
  • Ability to work from home
Read More
Arrow Right

Senior Lead Backend Java Developer

The Applications Development Manager is a senior level position responsible for ...
Location
Location
Canada , Mississauga
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 10+ years of relevant experience
  • Hands-on development experience required
  • Must have hands-on backend Java development experience
  • Experience in applications development
  • Experience in management
  • Experience managing global technology teams
  • Working knowledge of industry practices and standards
  • Consistently demonstrates clear and concise written and verbal communication
  • Bachelor’s degree/University degree or equivalent experience
  • Master’s degree preferred
Job Responsibility
Job Responsibility
  • Manage multiple teams of professionals to accomplish established goals and conduct personnel duties for team
  • Provide strategic influence and exercise control over resources, budget management and planning while monitoring end results
  • Utilize in-depth knowledge of concepts and procedures within own area and basic knowledge of other areas to resolve issues
  • Ensure essential procedures are followed and contribute to defining standards
  • Integrate in-depth knowledge of applications development with overall technology function to achieve established goals
  • Provide evaluative judgement based on analysis of facts in complicated, unique, and dynamic situations including drawing from internal and external sources
  • Influence and negotiate with senior leaders across functions, as well as communicate with external parties as necessary
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards
  • Fulltime
Read More
Arrow Right

Java Developer

Join Sopra Steria as a Java Developer in one of the leading tech consulting comp...
Location
Location
Spain , Barcelona
Salary
Salary:
Not provided
https://www.soprasteria.com Logo
Sopra Steria
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience as a Java Developer, with a strong understanding of Java 8 and Java 21
  • Experience in developing backend applications and automation tools
  • Solid understanding of object-oriented programming and design patterns
  • Familiarity with software development best practices and methodologies
  • Experience with testing frameworks and tools (e.g., JUnit, TestNG)
  • Knowledge of version control systems (e.g., Git)
  • Strong problem-solving skills and attention to detail
  • Excellent communication and teamwork skills
  • Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience.
Job Responsibility
Job Responsibility
  • Design, develop, and maintain backend applications for our automation tools
  • Participate in the migration of existing applications from Java 8 to Java 21
  • Implement best practices in coding, testing, and software design
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Write clean, scalable, and efficient code
  • Conduct code reviews and provide constructive feedback to peers
  • Develop and execute unit and integration tests to ensure software quality
  • Troubleshoot and resolve software defects and issues
  • Stay up-to-date with the latest industry trends and technologies.
What we offer
What we offer
  • Full time permanent contract
  • 23 days annual leave
  • Continuous training: technical and transversal skills and languages
  • Life and accident insurance
  • Flexible benefits program (health insurance, meal vouchers, childcare vouchers, mobility, and training)
  • 'Privilege Club' access, where you will find deals for several brands
  • Detailed and personalized onboarding
  • Recreational spaces in offices
  • Great working environment
  • Opportunity to develop your professional career with a personalized career development plan.
  • Fulltime
Read More
Arrow Right

Lead Java Developer

Sopra Steria Bulgaria is the service and competence centre of the Sopra Steria G...
Location
Location
Bulgaria , Sofia
Salary
Salary:
Not provided
https://www.soprasteria.com Logo
Sopra Steria
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Profound knowledge and 6+ years of experience in Java Software- and Web-Development
  • a completed degree or similar education
  • ability to create an environment where people can reach their full potential
  • fluent in English
  • German language is a plus
Job Responsibility
Job Responsibility
  • Role in software definition, architecture, design, and implementation
  • champion modern software architectures, methodologies, technologies, and practices
  • develop clean code with Java/JEE and web applications
  • analyse and solve problems
  • act as a trusted partner to customers
What we offer
What we offer
  • Competitive remuneration package
  • 26 days of annual paid leave
  • comprehensive health, life, and travel insurance
  • extensive professional training programmes
  • flat organisational structure
  • team events in Bulgaria and Germany
  • multisport cards/vouchers
  • modern office facilities conveniently located at Metro Station G.M. Dimitrov Blvd.
  • Fulltime
Read More
Arrow Right

Senior Backend Java Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...
Location
Location
Canada , Mississauga
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5-8 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
  • Bachelor’s degree/University degree or equivalent experience
Job Responsibility
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
Read More
Arrow Right

Senior Backend Java Developer

The Applications Development Senior Programmer Analyst is an intermediate level ...
Location
Location
Canada , Mississauga
Salary
Salary:
Not provided
https://www.citi.com/ Logo
Citi
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5-8 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
Job Responsibility
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
Read More
Arrow Right
Welcome to CrawlJobs.com –
Your Global Job Discovery Platform
At CrawlJobs.com, we simplify finding your next career opportunity by bringing job listings directly to you from all corners of the web. Using cutting-edge AI and web-crawling technologies, we gather and curate job offers from various sources across the globe, ensuring you have access to the most up-to-date job listings in one place.
Jobs by Category
Art and Entertainment Jobs Banking Jobs Call Center Jobs Construction Jobs Consulting Jobs Customer Service Jobs Education Jobs Energy Jobs Finance Jobs Gastronomy Jobs Health and Beauty Jobs Hospitality and Tourism Jobs Human Resources Jobs Insurance Jobs IT - Administration Jobs IT - Software Development Jobs Legal Jobs Logistics Jobs Manufacturing Jobs Marketing, Digital Marketing, SEO, SEM Jobs Media Jobs Nursing Jobs Office Administration Jobs Pharmacy Jobs Physical Work Jobs Public Relations Jobs Public Sector Jobs Purchasing Jobs Quality Control Jobs Real Estate Jobs Research and Development Jobs Sales Jobs
Job Positions Jobs by Country
United States Jobs United Kingdom Jobs India Jobs Canada Jobs Australia Jobs Poland Jobs Ireland Jobs Germany Jobs
Company
Blog About Us Contact
Follow Us
Facebook
X (Twitter)
LinkedIn
Instagram
© 2026 CrawlJobs Ltd. All Rights Reserved
Terms & Conditions Privacy Policy