Middle Java Developer Job at Sigma Software Group

Middle Full Stack Java Developer

The project is an interactive mobile and web application in the entertainment in...

Location

Poland; Ukraine , Ternopil; Ivano-Frankivsk; Lviv; Kyiv

Salary:

Not provided

ELEKS

Expiration Date

Until further notice

Requirements

3+ years of experience in software development
Strong track record of working with Java core, OOP/OOD knowledge, design patterns
Knowledge and at least 1 year of proven experience with JavaScript (Angular)
Knowledge of Spring framework, IOC, templates
Experience with ORM, Hibernate (Spring Data JPA)
Deep understanding of Java-based application servers (e.g., Tomcat, etc.)
Experience with AWS or other cloud platforms
MongoDB knowledge
Upper-Intermediate English level

Job Responsibility

Design, develop, and maintain reliable software in line with technical requirements
Analyze requirements, and independently estimate and set up tasks’ acceptance criteria
Evaluate and coordinate tasks’ deadlines with the Technical Leader or Project Manager
Apply the best software development practices and coding standards to produce high-quality and performant solutions
Stay up-to-date with modern technology and optionally, obtain professional certifications
Participate as a trainer or a trainee in various learning programs outside the main project

What we offer

Close cooperation with a customer
Challenging tasks
Competence development
Ability to influence project technologies
Team of professionals
Dynamic environment with low level of bureaucracy

Java Developer

Wissen Technology is hiring for Java Developer. We are looking for a Java Develo...

Location

India , Mumbai

Salary:

Not provided

Wissen

Expiration Date

Until further notice

Requirements

Java (17/21+): Deep expertise in Core Java, generics, collections, streams, functional programming, memory model, and JVM tuning
Spring Ecosystem: Spring Boot, Spring MVC, Spring Batch, Spring Data JPA, Spring Security
Multithreading & Concurrency: Hands-on with ExecutorService, CompletableFuture, concurrent data structures, and designing deadlock-free, thread-safe reconciliation engines
SQL & RDBMS: Advanced SQL, window functions, CTEs, partitioning, bulk operations, and stored procedures in DB2 or MS SQL Server
Data Structures & Algorithms: Strong CS fundamentals applied to performance-critical matching, sorting, and aggregation in large datasets
Microservices & APIs: RESTful API design and consumption
experience with IBM MQ, Kafka or other messaging queues for async reconciliation pipelines is a strong plus
Rule Engines: Hands-on experience designing and deploying rule-based systems using Drools or similar frameworks
Domain Knowledge: Understanding of transaction lifecycle in banking - trade capture, settlement, confirmation, and clearing
NOSTRO/VOSTRO, cash breaks, position breaks, aging analysis, and exception resolution workflows

Job Responsibility

Design and develop high-volume transaction statement generation modules
Build automated reconciliation pipelines
Implement exception management workflows
Integrate with downstream statement delivery systems (SWIFT, SFTP, email, client portals)
Support NOSTRO, VOSTRO, and inter bank reconciliation processes
Develop break analysis reports and aging summaries
Architect and implement scalable back-office and middle-office financial systems using Java and Spring Boot
Build low-latency, high-throughput microservices
Develop robust batch processing frameworks using Spring Batch
Own full-stack feature delivery

Fulltime

Middle Java Engineer with Python skills

N-iX is looking for a highly skilled Middle Java Engineer with additional experi...

Location

Ukraine

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

3+ years of professional software development experience with Java (Spring, Spring Boot, Hibernate)
Experience with Python (scripting, automation, or backend services)
Experience with RESTful APIs design and integration
Experience with relational database systems (preferably MySQL)
Experience with cloud platforms (preferably GCP)
Strong understanding of Agile methodologies, especially of Scrum framework
Strong problem-solving and analytical skills
Upper-Intermediate English or higher (both written and spoken)

Job Responsibility

Design, develop, test, and maintain applications and services using Java as the primary technology stack
Write clean, efficient, and maintainable code following best practices and coding standards
Use Python for automation, data manipulation, system integration, and auxiliary services
Optimize applications for performance, scalability, and security
Troubleshoot, debug, and resolve technical issues
Communicate with internal product owners and stakeholders
Document technical solutions and maintain up-to-date system knowledge

What we offer

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

Fulltime

Java Developer

Join Barclays as a Java Developer, where you will design, develop, and enhance h...

Location

United Kingdom , London

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Experience of Core Java
Experience with systems providing trading, risk, middle office, or other financial services
Experience with scripting: bash, python

Job Responsibility

Design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues
Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
Cross-functional collaboration with product managers, designers, and other engineers to define software requirements
Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
Stay informed of industry technology trends and innovations
Adherence to secure coding practices
Implementation of effective unit testing practices

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution
Wellness Suite including gym and exercise studios
Personal training sessions and massage therapy
Cycle hire and parking areas
Showering and changing facilities
Co-working space (CoSpace)

Fulltime

Middle Java Engineer

Vention is a global engineering partner to tech leaders and fast-growing startup...

Location

Uzbekistan , Tashkent

Salary:

Not provided

Vention

Expiration Date

Until further notice

Requirements

At least 1 year of hands-on experience in Java development
Strong knowledge of Spring, Hibernate, OOP principles, and software design patterns
Familiarity with front-end technologies like React.js or Angular is a strong advantage
English proficiency at B1 level or higher, with experience in communicating with international clients
A growth mindset and motivation to stay current with evolving trends in Java development

Job Responsibility

Contribute to the development of our solution set by writing clean, high-quality code ready for production deployment
Take part in the full software development lifecycle, including application logic and business process implementation
Engage in Scrum ceremonies, demo sessions, and internal Idea Talks to drive collaboration and innovation
Support project planning and estimation efforts with technical input
Conduct code reviews, write tests, and help maintain a high standard of code quality
Work on integrating new technologies and improving continuous delivery processes
(Optional) Take part in technical interviews, mentorship, or knowledge sharing through dev2dev sessions and external meetups

What we offer

EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
Licenses for AI tools: GitHub Copilot, Cursor, and others
Expanded medical support for employees in Tashkent
19 working days of vacation per year, 21 after two years in the company
Corporate getaway & teambuilding activities
Support for the significant events in your life
Referral bonuses for bringing in new talent

Fulltime

Junior Java Developer

N-iX is looking for an ambitious Junior Java Developer to join our development t...

Location

Salary:

Not provided

N-iX

Expiration Date

Until further notice

Requirements

Up to 2 years of experience in Java development
Basic knowledge of Java and Spring Boot fundamentals
Understanding of REST APIs and basic concepts of messaging and event-driven systems
Familiarity with relational databases (SQL) and basic data modeling concepts
Basic understanding of object-oriented programming principles
Willingness to learn, ask questions, and grow technical skills with team support
Intermediate English level, sufficient for everyday communication within the team

Job Responsibility

Assist in developing new functionality under the guidance of senior and middle engineers
Help investigate and fix bugs and participate in basic performance improvements
Take part in business requirements discussions to better understand system behavior and use cases
Implement software components following established design patterns and coding standards
Participate in software development activities such as coding, integration, unit testing, and code reviews
Contribute to technical and end-user documentation
Work as part of a Scrum team, learning Agile practices and delivering tasks on time

What we offer

Flexible working format - remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

Middle Software Developer C++

Our customer is one of the biggest financial institutions in the USA. We create ...

Location

Ukraine

Salary:

Not provided

ELEKS

Expiration Date

Until further notice

Requirements

3+ years of experience with C++
Experience with Visual Studio, GitHub, Server Side Development, SQL
At least an Intermediate Strong Level of English
Clear communication skills & responsible attitude to work
Long-term involvement

Job Responsibility

Develop solutions and algorithms according to technical specifications or other requirements documentation
use standard algorithms in the applicable cases
Write program code according to the defined application architecture
Structure and format the source code, comment and mark up the code, as well as name variables, functions, classes, data structures, and files according to the company conventions and industry best practices
Modify existing code and verify its functioning. Analyze code compliance with readability and performance standards
Use version control systems to track code optimization progress and to merge or split program code entities. Commit changes according to version control rules
Perform analysis, verification, and debugging of the software code at the level of application units
Detect defects, apply debugging methods and techniques, correctly interpret bug reports, as well as apply modern compilers, debuggers, and program code optimizers
Able to develop procedures for testing code availability, collecting diagnostic data, generating test data sets with necessary characteristics, identifying required software characteristics etc
Reproduce defects logged in an issue tracking system, identify defect causes, and then modify code to eliminate defects

What we offer

Close cooperation with a customer
Challenging tasks
Competence development
Ability to influence project technologies
Team of professionals
Dynamic environment with low level of bureaucracy

Fulltime

New

Middle Software Engineer (Java / React)

We are looking for a skilled Middle Java Developer to join the team developing a...

Location

Poland , Rzeszów

Salary:

Not provided

Edvantis

Expiration Date

Until further notice

Requirements

Location within the EU
3+ years of professional experience in Java development
1+ years of commercial experience with TypeScript and React
Strong knowledge of Java (Java 17+)
Hands-on experience with Java Concurrency
Good understanding of design patterns and clean architecture principles
Experience with Spring, Servlet API
Good understanding of HTTP, REST
Good understanding of monolith and microservices architectures
Experience with relational databases (PostgreSQL, MySQL)

Job Responsibility

Implement new product features, improvements, and extensions for existing functionality
Contribute to product modernization efforts
Develop and maintain backend services using Java, Spring, and related technologies
Write clean, maintainable, and well-tested code
Participate in production support activities
Troubleshoot and resolve complex technical issues in production environments
Collaborate with cross-functional teams (QA, DevOps, Product) throughout the development lifecycle

What we offer

Remote-first work model with flexible working hours (we provide all equipment)
Comfortable and fully equipped office in Rzeszów
Competitive compensation with regular performance reviews
18 paid vacation days per year + all state holidays
12 days of paid sick leave per year + extra paid leave for blood donation
Fixed monthly health & wellness compensation, applicable to: medical insurance
fitness and sports activities
Mental health program which includes free and confidential consultations with a psychologist
English, German, and Polish language courses
Corporate subscription to learning platforms, regular meetups and webinars

Fulltime

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Middle Java Developer

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