Jobs Java

Delasport — Implementing Technological Solutions Here and Now.
Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are looking for the top talents to join our team in R&D centre in Kyiv.
 

TECHNOLOGY STACK

Microservice architecture, Java 21, Java 25, Spring Boot 3.5+, JPA, JDBC, PostgreSQL, Kafka, Google Cloud Platform, Kubernetes, Docker, Testcontainers, Gradle
 

RESPONSIBILITIES

• Development of new business initiatives, an extension of existing ones
• Taking an active part in improvements and optimizations to the systems
• Resolve technical problems, critical thinking on the development approach
• Be part of a cross-functional team with end-to-end responsibility for the result
   

REQUIREMENTS

• 3+ years of commercial development experience using Java-related technologies
• 1+ years of working experience with API development
• Hands-on experience with microservice architecture
• Ambition to write high-quality code covered with integration tests
• Solid debugging and troubleshooting skills
• Proactive and result-oriented mindset
• Strong problem-solving skills
• Good level of English
   

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

N-iX is looking for a Senior Java Engineer (with Go/Python) to join a collaborative product team of around 8 engineers working on a complex, high-impact software platform. 

You’ll contribute across the stack, building scalable backend services and intuitive frontend experiences, while actively using AI-powered development tools to improve productivity and code quality. The team follows Agile best practices, values clean architecture, ownership, and continuous improvement. As an engineer, you’ll help to develop the platform that serves as an enterprise next-generation endpoint protection (EPP) + endpoint detection & response (EDR) solution that runs on Windows (as well as macOS, Linux, servers, etc.). It comes as a single, unified agent designed to prevent, detect, respond, and remediate cyber threats, including malware, ransomware, fileless attacks, and advanced persistent threats — all in real time.

Responsibilities:

• Design, develop, and maintain backend services
• Collaborate closely with backend, frontend, and QA engineers in an Agile/Scrum environment
• Write clean, testable, and well-documented code
• Integrate and work with APIs, data stores, and third-party services
• Use AI-assisted development tools (e.g., code assistants, testing tools, analysis tools) to improve delivery speed and quality
• Support production systems and participate in troubleshooting when needed

Requirements: 

• 5+ years of extensive software engineering experience
• Proficiency in Java
• Proven expertise in developing large-scale distributed systems and microservices architecture, with a focus on performance, scalability, and reliability
• Experience with cloud platforms (AWS and/or GCP) and Kubernetes (must)
• Experience with Kafka or similar solutions 
• Experience with Python or Go is nice to have. 
• Excellent problem-solving skills
• Strong communication skills and ability to articulate technical concepts and influence engineering direction across teams, departments, and stakeholders
• Upper-intermediate level English 

CrunchCode — міжнародна сервісна ІТ-компанія з досвідом близько 7 років у розробці вебсервісів і вебзастосунків. Ми працюємо у форматах staff augmentation (outstaff) та outsourcing і підключаємо спеціалістів до проєктів клієнтів у довгостроковій моделі співпраці.

Ми працюємо переважно з проєктами в доменах логістики (включно з last mile),e-commerce, fintech та банкінгу, а також enterprise-рішеннями.
Для нас важливо, щоб проєкт був “чистим” і зрозумілим з точки зору етики та цінності для користувачів.

Ми принципово не беремо проєкти, пов’язані з:
● gambling / гемблінгом,
● adult-контентом та порнографією,
● шахрайством або будь-якою розробкою, що спрямована на обман чи маніпуляції.

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract.

Project Overview
Enterprise backend engineering role within a Pan-Baltic banking environment. The engineer will build and maintain cloud-native backend services on AWS, working to high standards of code quality, system reliability, and operational stability across the organization.

Tech Stack
Java 17/21, Spring Boot, REST APIs, AWS (Lambda, API Gateway, CloudWatch), CI/CD

Requirements (Must-have)
- 7+ years of practical Spring Boot development experience
- Fluent English B2+ — required for Pan-Baltic communication (spoken and written)
- Strong hands-on experience with Java 17+ / Java 21 including modern language features
- Strong experience with RESTful API design, implementation, and integration
- Proven application of clean code principles and automated testing
- Strong understanding of SOLID, KISS, YAGNI design principles
- Experience with cloud-based and distributed systems, AWS in particular
- Hands-on experience with AWS: Lambda (Java runtime), API Gateway, CloudWatch
- Strong CI/CD practices and monitoring/operational stability techniques

Responsibilities:
- Build and maintain backend services using Spring Boot
- Design and implement RESTful APIs and integrations
- Work with AWS serverless and cloud infrastructure (Lambda, API Gateway, CloudWatch)
- Apply clean code principles and write maintainable, well-tested code
- Implement and support CI/CD pipelines and monitoring practices
- Ensure operational stability and system reliability in a distributed environment
- Apply SOLID, KISS, and YAGNI principles across the codebase

Nice to Have:
- Experience in banking or financial services domain
- Familiarity with compliance and security standards in enterprise environments

Hiring Process:
- Intro call
- Technical discussion
- Offer
Start: ASAP

Senior Java Engineer (high-load product) 

Are you a Java Developer looking for new challenges? 
What about working with a high-profile client with millions of QPS? 
If you have experience developing high-performance distributed systems, this is the perfect opportunity to work on a new digital marketing management platform with a world-renowned client.
 
Project tech stack: 
Concurrency -  a high-load, low-latency system.
Cache: Aerospike, Memcached
Cloud: AWS, GCP
DB: PostgreSQL, Superset
Streams: Kafka, Kinesis
Data formats: Avro, Protobuf
Languages: Java, Scala, Python
 
About the project:
Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.
 
Location:
Ukraine remote
 
Skills & Experience:
- 4 - 8 years of experience building large-scale and low-latency distributed systems
- B.S. or M.S. degree in Computer Science, Engineering, or equivalent 
- Command of Java or C++
- Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming 
-Self-motivated individual with a high level of accountability and ownership
- Critical thinking and practical decision making
- Can do, results-oriented mindset
 
Will be a plus: 
- Experience with distributed caching, SQL/NoSQL, and other databases is a plus 
- Experience with Big Data and cloud services such as AWS/GCP is a plus
Experience in the advertising domain is a big plus 

 Responsibilities
- Work alongside a highly skilled engineering team to design, develop, and maintain large-scale, highly performing, real-time applications
- Own building features, driving directly with product and other engineering teams 
- Demonstrate excellent communication skills in working with technical and non-technical audiences 
- Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops 
- Be an evangelist for platform innovation and reuse 
- Deliver top-quality software in a timely fashion 

 

Position 1

We are looking for a Mid-to-Senior Java Engineer who actively uses AI coding tools (such as Claude, Gemini, GitHub Copilot, Cursor, or similar LLMs) to speed up software development. The client is specifically interested in engineers who have already integrated AI-assisted workflows into their daily practice - not those who are just curious about it.

Location

To be confirmed. Candidates from EU countries preferred.

No RF/RB

Main requirements

- 5 - 6 years of Java development experience

- Hands-on experience with LLM-based coding tools (Claude, Gemini, GitHub Copilot, Cursor, or similar)

- Strong software engineering fundamentals - architecture, clean code, testing

- Ability to work independently and deliver with minimal supervision

- Good English communication skills (B2 and higher)

Key responsibilities

Design, develop, and deliver Java-based solutions using AI-augmented workflows

Apply LLM tooling effectively to accelerate development cycles

Write clean, maintainable, well-tested code

Collaborate with team members and stakeholders on delivery

Share AI tooling best practices within the team

Position 2

Java Springboot Developer

Title: Java SpringBoot developer

Duration : 7+ Months Contract

Location: 100% Remote.

Role Overview: Works with moderate work direction and can identify issues/problems but may need assistance in resolving.

Plans, designs, develops, codes and tests software systems or applications for software enhancements and new products.

Responsibilities :

Revises and refines systems as required. Participates in the devising of project timelines, implementation design specifications, system flow diagrams, documentation.

Involved in testing and ongoing support of business systems.

Develops and maintains operational and system level documentation.

Must be able to apply SDLC concepts and have a proven track record of delivering solid, robust applications.

Has two primary responsibilities:

As a Java Spring Boot developer with knowledge of Python, Concurrency Programming, Microservices and Test-Driven Development.

Must have good understanding of CI/CD processes.

As an Operations Engineer with good grasp of Linux fundamentals and Shell Programming with knowledge of deployment tools like Terraform, Ansible, Docker and Kubernetes.

The role involves 50% or each of the above.

Good to have: Cloud experience, AI development.

Project description

Join a Team Redefining Modern Banking Technology!
Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.
What the Project Is About
The project focuses on building and evolving a large‑scale trading platform used by a wide range of clients - from private investors to active traders.
The platform enables:
* Trading across multiple financial instruments: Shares, ETFs, Options, Futures, Funds, Bonds, CFDs
* Support for complex order types: Market, Limit, FoK, OCO, Trailing, and more
* Order Routing Systems (ORS) that intelligently route trades to the correct broker and marketplace
* FIX‑based integrations with multiple brokers and exchanges
* Direct connectivity and maintenance for key markets: SIX, Eurex, Bern, Scoach
* Tools for internal Derivatives teams to manually manage and recover orders when needed
* Accurate commission calculation and management per order

The platform is business‑critical and operates under strict performance, reliability, and correctness requirements, serving as the backbone of the client's trading ecosystem.

Technology & Engineering Culture
We continuously evolve our systems toward:
* Atomic, independently deployable microservices
* Self‑contained applications with clear ownership
* Dockerized environments
* Automated CI/CD pipelines
Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.
How We Work
Scrum teams of 7-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.
Daily collaboration with client stakeholders through:
* Stand‑ups
* Refinement and design sessions
* Status and planning meetings
Agile best practices applied across delivery
Primary communication tools:
* Microsoft Teams
* Outlook and internal collaboration platforms

What We Offer
+ Professional growth
Local trainings, workshops, and on‑demand webinars
Company‑funded conferences and certifications
+ Competitive compensation
Annual review based on performance and professional development
+ Healthy work-life balance
Team buildings and corporate events
Hackathons and innovation initiatives
A culture that values sustainable delivery

If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
Join us and help shape modern banking solutions.

Responsibilities

Design and develop complex product features end‑to‑end, covering frontend, backend, and data layer

Take ownership of larger functional areas or services, ensuring their reliability, performance, and scalability

Contribute to technical design and architectural decisions, including evaluation of trade‑offs and long‑term impact

Develop reusable, maintainable, and well‑tested code following team standards and best practices

Write and maintain unit, integration, and E2E tests to ensure system stability and confident releases

Lead and moderate code reviews, set quality standards, and support the team in complex technical cases

Collaborate with other engineers, product managers, and other stakeholders to shape technical solutions from vague or evolving requirements

Take responsibility for features from early discovery and solution design to production rollout and post‑release support

Identify, prioritize, and systematically reduce technical debt across the codebase, not limited to owned features

Mentor and coach less experienced engineers, supporting their technical and professional growth

Actively participate in Scrum events and client communication, contributing not only status but technical insights and recommendations

Participate in hiring activities, including technical interviews and candidate assessment

Skills

Must have

At least 5 years of recent, proven experience working with Java in a Software Developer/Engineer role

Strong knowledge of Java (11+), core concepts, and modern language features

Solid understanding of OOP/OOD principles and design patterns

Experience with microservices architecture: design, implementation, support, and evolution

Spring Framework (Spring Boot, Spring MVC, Spring Data/JPA)

Design and implementation of RESTful APIs

Unit testing frameworks (JUnit, TestNG, Mockito)

SQL and experience with relational databases (PostgreSQL or Oracle is a plus)

Experience with Git or other distributed version control systems

Understanding of containerization (Docker); CI/CD experience is a plus

Willingness and readiness to work with ReactJS, Redux, TypeScript, HTML, and CSS from day one, with the ability to quickly acquire and apply these skills in daily development

Nice to have

Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field

Experience working in finance or banking domain (enterprise‑scale systems, regulated environments is a plus)

Experience working in Unix/Linux environments

Hands‑on experience with ReactJS, Redux, TypeScript, HTML, and CSS (not required, but will significantly speed up onboarding)

Languages

Ukrainian: C2 Proficient,

English: B2 Upper Intermediate

   Responsibilities

Develop backend logic using Java

Work with Spring Framework (Core, Boot, MVC)

Design and interact with databases (PostgreSQL)

Use JPA / Hibernate for data persistence

Implement authentication and authorization (Spring Security)

Maintain and improve existing codebase

Integrate frontend components (HTML / CSS / JavaScript / jQuery / Bootstrap)

Collaborate with the development team

  Requirements

Basic knowledge of Java (Core)

Understanding of OOP principles

Experience with Spring Framework

Knowledge of JPA / Hibernate

Basic experience with PostgreSQL

Understanding of REST APIs

Basic frontend skills:

HTML

CSS

JavaScript

jQuery

Bootstrap

Basic understanding of Spring Security

Ability to read and understand existing code

  Nice to Have

Experience with Docker

Familiarity with Git

Understanding of microservices architecture

Experience with RabbitMQ or other message brokers

  What We Offer

Work on real-world projects

Mentorship and professional growth

Flexible working hours

Fast career development opportunities

Friendly, low-bureaucracy team

🚀 Project Description

We are building an MVP for a digital planning platform.
 

The platform will allow doctors to upload 3D dental scans, run ML-powered processing, and use the results inside a planning workflow

From the engineering side, this role is focused on Backend + DevOps / MLOps, with strong ownership over the technical foundation of the product. 

The main goal is to create a reliable environment for deploying and serving ML models, building processing pipelines, exposing APIs, and using AI Tools for maximum productivity.
 

✅ You are:
 

• Have practical experience from commercial projects, pet projects, hackathons, or open-source contributions
• Confident with Python or Java, with readiness to work close to ML workloads and model-serving pipelines
• Comfortable building backend services and REST APIs
• Understand system design, asynchronous processing, and service integration
• Have experience with Docker and deploying services in cloud environments
• Understand how to build and maintain CI/CD pipelines
• Have hands-on experience with AWS or similar cloud platforms
• Are comfortable working with PostgreSQL
• Can design and implement backend components that interact with ML models
• Understand logging, monitoring, environment setup, and deployment workflows
   

➕ Will be a plus:
 

• Experience with MLOps or model-serving infrastructure
• Experience deploying ML models for inference on CPU
• Familiarity with FastAPI, Spring Boot, or similar backend frameworks
• Experience with AWS services
• Understanding of job queues, background workers, and long-running processing workflows
• Experience with 3D, computer vision, or scan-processing products
• Familiarity with infrastructure-as-code tools such as Terraform
• Comfortable working with AI platforms and developer tools such as Cursor, Claude Code, or Codex
   

♟️ What We Expect from You:
 

• Use modern AI tools, frameworks, and approaches to work faster and more effectively
• Make practical decisions that help us launch faster without unnecessary overengineering
• Proactively identify bottlenecks, propose solutions, and help shape technical decisions
• Be comfortable working in an evolving product with changing priorities and early-stage ambiguity
   

🔑 Responsibilities:
 

• Implement and enhance backend services for the MVP
• Create the initial cloud environment for development, testing, and production
• Set up and maintain deployment pipelines
• Deploy and serve ML models on CPU-based infrastructure
• Build and support processing pipelines for model execution and result delivery
• Work closely with the ML engineer to integrate segmentation, alignment, and other model outputs into the platform
• Configure logging, monitoring, and basic operational observability
• Ensure the system is reliable, maintainable, and easy to extend
• Utilize AI to review pull requests and contribute to engineering best practices
   

🍩 What we offer:
 

• Opportunity to work on an innovative product in the medical-tech domain
• High ownership and direct impact on product architecture
• Flexible work hours within the European time zone
• A fast-moving environment where strong engineers can influence product and technical decisions
• Paid 200$+ AI assistants and modern engineering tooling
• Professional development support, latest courses and certifications
• 20 business days of vacation
• 5 sick leave days
• National holidays covered
   

🗣 Recruitment process:
 

✔️ Culture Fit Interview → ☑️ Technical Task → ✅ Follow-Up Interview → 🏁 Final Technical Interview

Job Description

Willingness to start your career in the IT industry
Basic knowledge of operating systems (Windows and Linux), computer network systems
Knowledge of fundamentals of Java programming language
Technical curiosity and interest in programming
Good knowledge of English (written and spoken)
Positive and open-minded attitude, communicativeness

Telecom domain knowledge

Job Responsibilities

Support operation of services in production

New features design and implementation

Defect investigation, bug fixing, troubleshooting

Unit and functional testing

Following design and coding standards accepted in the team

Interact with project management, other engineering teams, and other stakeholders as appropriate

Department/Project Description

We are seeking a highly motivated trainee Java Engineer to join our team and contribute to the development for a leading telecommunications provider

• Project Description:

  Join a Team Redefining Modern Banking Technology!
  
  Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.
  
  What the Project Is About
  The project focuses on building and evolving a large‑scale trading platform used by a wide range of clients - from private investors to active traders.
  The platform enables:
  * Trading across multiple financial instruments: Shares, ETFs, Options, Futures, Funds, Bonds, CFDs
  * Support for complex order types: Market, Limit, FoK, OCO, Trailing, and more
  * Order Routing Systems (ORS) that intelligently route trades to the correct broker and marketplace
  * FIX‑based integrations with multiple brokers and exchanges
  * Direct connectivity and maintenance for key markets: SIX, Eurex, Bern, Scoach
  * Tools for internal Derivatives teams to manually manage and recover orders when needed
  * Accurate commission calculation and management per order
  
  The platform is business‑critical and operates under strict performance, reliability, and correctness requirements, serving as the backbone of the client's trading ecosystem.
  
  Technology & Engineering Culture
  We continuously evolve our systems toward:
  * Atomic, independently deployable microservices
  * Self‑contained applications with clear ownership
  * Dockerized environments
  * Automated CI/CD pipelines
  Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.
  
  How We Work
  Scrum teams of 7-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.
  
  Daily collaboration with client stakeholders through:
  * Stand‑ups
  * Refinement and design sessions
  * Status and planning meetings
  Agile best practices applied across delivery
  
  Primary communication tools:
  * Microsoft Teams
  * Outlook and internal collaboration platforms
  
  What We Offer
  + Professional growth
      Local trainings, workshops, and on‑demand webinars
      Company‑funded conferences and certifications
  + Competitive compensation
      Annual review based on performance and professional development
  + Healthy work-life balance
      Team buildings and corporate events
      Hackathons and innovation initiatives
      A culture that values sustainable delivery
  
  If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
  Join us and help shape modern banking solutions.

   

• Responsibilities:

  * Design and develop complex product features end‑to‑end, covering frontend, backend, and data layer
  * Take ownership of larger functional areas or services, ensuring their reliability, performance, and scalability
  * Contribute to technical design and architectural decisions, including evaluation of trade‑offs and long‑term impact
  * Develop reusable, maintainable, and well‑tested code following team standards and best practices
  * Write and maintain unit, integration, and E2E tests to ensure system stability and confident releases
  * Lead and moderate code reviews, set quality standards, and support the team in complex technical cases
  * Collaborate with other engineers, product managers, and other stakeholders to shape technical solutions from vague or evolving requirements
  * Take responsibility for features from early discovery and solution design to production rollout and post‑release support
  * Identify, prioritize, and systematically reduce technical debt across the codebase, not limited to owned features
  * Mentor and coach less experienced engineers, supporting their technical and professional growth
  * Actively participate in Scrum events and client communication, contributing not only status but technical insights and recommendations
  * Participate in hiring activities, including technical interviews and candidate assessment

   

• Mandatory Skills Description:

  - At least 5 years of recent, proven experience working with Java in a Software Developer/Engineer role
  - Strong knowledge of Java (11+), core concepts, and modern language features
  - Solid understanding of OOP/OOD principles and design patterns
  - Experience with microservices architecture: design, implementation, support, and evolution
  - Spring Framework (Spring Boot, Spring MVC, Spring Data/JPA)
  - Design and implementation of RESTful APIs
  - Unit testing frameworks (JUnit, TestNG, Mockito)
  - SQL and experience with relational databases (PostgreSQL or Oracle is a plus)
  - Experience with Git or other distributed version control systems
  - Understanding of containerization (Docker); CI/CD experience is a plus
  - Willingness and readiness to work with ReactJS, Redux, TypeScript, HTML, and CSS from day one, with the ability to quickly acquire and apply these skills in daily development

Project Description:

Join a Team Redefining Modern Banking Technology!

Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.

What the Project Is About
The project focuses on building and evolving a large‑scale trading platform used by a wide range of clients - from private investors to active traders.
The platform enables:
* Trading across multiple financial instruments: Shares, ETFs, Options, Futures, Funds, Bonds, CFDs
* Support for complex order types: Market, Limit, FoK, OCO, Trailing, and more
* Order Routing Systems (ORS) that intelligently route trades to the correct broker and marketplace
* FIX‑based integrations with multiple brokers and exchanges
* Direct connectivity and maintenance for key markets: SIX, Eurex, Bern, Scoach
* Tools for internal Derivatives teams to manually manage and recover orders when needed
* Accurate commission calculation and management per order

The platform is business‑critical and operates under strict performance, reliability, and correctness requirements, serving as the backbone of the client's trading ecosystem.

Technology & Engineering Culture
We continuously evolve our systems toward:
* Atomic, independently deployable microservices
* Self‑contained applications with clear ownership
* Dockerized environments
* Automated CI/CD pipelines
Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.

How We Work
Scrum teams of 7-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.

Daily collaboration with client stakeholders through:
* Stand‑ups
* Refinement and design sessions
* Status and planning meetings
Agile best practices applied across delivery

Primary communication tools:
* Microsoft Teams
* Outlook and internal collaboration platforms

What We Offer
+ Professional growth
    Local trainings, workshops, and on‑demand webinars
    Company‑funded conferences and certifications
+ Competitive compensation
    Annual review based on performance and professional development
+ Healthy work-life balance
    Team buildings and corporate events
    Hackathons and innovation initiatives
    A culture that values sustainable delivery

If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
Join us and help shape modern banking solutions.

Responsibilities:

* Design and develop complex product features end‑to‑end, covering frontend, backend, and data layer
* Take ownership of larger functional areas or services, ensuring their reliability, performance, and scalability
* Contribute to technical design and architectural decisions, including evaluation of trade‑offs and long‑term impact
* Develop reusable, maintainable, and well‑tested code following team standards and best practices
* Write and maintain unit, integration, and E2E tests to ensure system stability and confident releases
* Lead and moderate code reviews, set quality standards, and support the team in complex technical cases
* Collaborate with other engineers, product managers, and other stakeholders to shape technical solutions from vague or evolving requirements
* Take responsibility for features from early discovery and solution design to production rollout and post‑release support
* Identify, prioritize, and systematically reduce technical debt across the codebase, not limited to owned features
* Mentor and coach less experienced engineers, supporting their technical and professional growth
* Actively participate in Scrum events and client communication, contributing not only status but technical insights and recommendations
* Participate in hiring activities, including technical interviews and candidate assessment

Mandatory Skills Description:

- At least 5 years of recent, proven experience working with Java in a Software Developer/Engineer role
- Strong knowledge of Java (11+), core concepts, and modern language features
- Solid understanding of OOP/OOD principles and design patterns
- Experience with microservices architecture: design, implementation, support, and evolution
- Spring Framework (Spring Boot, Spring MVC, Spring Data/JPA)
- Design and implementation of RESTful APIs
- Unit testing frameworks (JUnit, TestNG, Mockito)
- SQL and experience with relational databases (PostgreSQL or Oracle is a plus)
- Experience with Git or other distributed version control systems
- Understanding of containerization (Docker); CI/CD experience is a plus
- Willingness and readiness to work with ReactJS, Redux, TypeScript, HTML, and CSS from day one, with the ability to quickly acquire and apply these skills in daily development

Nice-to-Have Skills Description:

- Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field
- Experience working in finance or banking domain (enterprise‑scale systems, regulated environments is a plus)
- Experience working in Unix/Linux environments
- Hands‑on experience with ReactJS, Redux, TypeScript, HTML, and CSS (not required, but will significantly speed up onboarding)

Languages:

English: B2 Upper Intermediate

• Join a Team Redefining Modern Banking Technology!
  
  Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.
  
  What the Project Is About
  The project focuses on building and evolving a large‑scale trading platform used by a wide range of clients - from private investors to active traders.
  The platform enables:
  * Trading across multiple financial instruments: Shares, ETFs, Options, Futures, Funds, Bonds, CFDs
  * Support for complex order types: Market, Limit, FoK, OCO, Trailing, and more
  * Order Routing Systems (ORS) that intelligently route trades to the correct broker and marketplace
  * FIX‑based integrations with multiple brokers and exchanges
  * Direct connectivity and maintenance for key markets: SIX, Eurex, Bern, Scoach
  * Tools for internal Derivatives teams to manually manage and recover orders when needed
  * Accurate commission calculation and management per order
  
  The platform is business‑critical and operates under strict performance, reliability, and correctness requirements, serving as the backbone of the client's trading ecosystem.
  
  Technology & Engineering Culture
  We continuously evolve our systems toward:
  * Atomic, independently deployable microservices
  * Self‑contained applications with clear ownership
  * Dockerized environments
  * Automated CI/CD pipelines
  Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.
  
  How We Work
  Scrum teams of 7-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.
  
  Daily collaboration with client stakeholders through:
  * Stand‑ups
  * Refinement and design sessions
  * Status and planning meetings
  Agile best practices applied across delivery
  
  Primary communication tools:
  * Microsoft Teams
  * Outlook and internal collaboration platforms
  
  What We Offer
  + Professional growth
      Local trainings, workshops, and on‑demand webinars
      Company‑funded conferences and certifications
  + Competitive compensation
      Annual review based on performance and professional development
  + Healthy work-life balance
      Team buildings and corporate events
      Hackathons and innovation initiatives
      A culture that values sustainable delivery
  
  If you are proactive, creative, and motivated by building robust banking systems with real business impact, you will contribute directly to improving both product quality and engineering practices.
  Join us and help shape modern banking solutions.

• Responsibilities:

  * Design and develop complex product features end‑to‑end, covering frontend, backend, and data layer
  * Take ownership of larger functional areas or services, ensuring their reliability, performance, and scalability
  * Contribute to technical design and architectural decisions, including evaluation of trade‑offs and long‑term impact
  * Develop reusable, maintainable, and well‑tested code following team standards and best practices
  * Write and maintain unit, integration, and E2E tests to ensure system stability and confident releases
  * Lead and moderate code reviews, set quality standards, and support the team in complex technical cases
  * Collaborate with other engineers, product managers, and other stakeholders to shape technical solutions from vague or evolving requirements
  * Take responsibility for features from early discovery and solution design to production rollout and post‑release support
  * Identify, prioritize, and systematically reduce technical debt across the codebase, not limited to owned features
  * Mentor and coach less experienced engineers, supporting their technical and professional growth
  * Actively participate in Scrum events and client communication, contributing not only status but technical insights and recommendations
  * Participate in hiring activities, including technical interviews and candidate assessment

• Mandatory Skills Description:

  - At least 5 years of recent, proven experience working with Java in a Software Developer/Engineer role

  - Willingness and readiness to work with ReactJS, Redux, TypeScript, HTML, and CSS from day one, with the ability to quickly acquire and apply these skills in daily development
  - Strong knowledge of Java (11+), core concepts, and modern language features
  - Solid understanding of OOP/OOD principles and design patterns
  - Experience with microservices architecture: design, implementation, support, and evolution
  - Spring Framework (Spring Boot, Spring MVC, Spring Data/JPA)
  - Design and implementation of RESTful APIs
  - Unit testing frameworks (JUnit, TestNG, Mockito)
  - SQL and experience with relational databases (PostgreSQL or Oracle is a plus)
  - Experience with Git or other distributed version control systems
  - Understanding of containerization (Docker); CI/CD experience is a plus
   

• Nice-to-Have Skills Description:

  - Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field
  - Experience working in finance or banking domain (enterprise‑scale systems, regulated environments is a plus)
  - Experience working in Unix/Linux environments
  - Hands‑on experience with ReactJS, Redux, TypeScript, HTML, and CSS (not required, but will significantly speed up onboarding)

• Languages:
  • English: B2 Upper Intermediate
  • Ukrainian: C2 Proficient

Join a Team Redefining Modern Banking Technology!

Our client is a Swiss bank focused on delivering advanced online trading and financial services. Unlike traditional financial institutions heavily dependent on legacy systems, this bank invests in a lean, modern, and continuously evolving technology stack.

What the Project Is About
The project focuses on building and evolving a large‑scale trading platform used by a wide range of clients - from private investors to active traders.
The platform enables:
* Trading across multiple financial instruments: Shares, ETFs, Options, Futures, Funds, Bonds, CFDs
* Support for complex order types: Market, Limit, FoK, OCO, Trailing, and more
* Order Routing Systems (ORS) that intelligently route trades to the correct broker and marketplace
* FIX‑based integrations with multiple brokers and exchanges
* Direct connectivity and maintenance for key markets: SIX, Eurex, Bern, Scoach
* Tools for internal Derivatives teams to manually manage and recover orders when needed
* Accurate commission calculation and management per order

The platform is business‑critical and operates under strict performance, reliability, and correctness requirements, serving as the backbone of the client's trading ecosystem.

Technology & Engineering Culture
We continuously evolve our systems toward:
* Atomic, independently deployable microservices
* Self‑contained applications with clear ownership
* Dockerized environments
* Automated CI/CD pipelines
Engineering decisions focus on reliability, transparency, and scalability, supporting business‑critical banking systems.

How We Work
Scrum teams of 7-8 cross‑functional engineers. Each team member contributes to both backend and frontend components.

Daily collaboration with client stakeholders through:
* Stand‑ups
* Refinement and design sessions
* Status and planning meetings
Agile best practices applied across delivery

What We Offer
+ Professional growth
    Local trainings, workshops, and on‑demand webinars
    Company‑funded conferences and certifications
+ Competitive compensation
    Annual review based on performance and professional development
+ Healthy work-life balance
    Team buildings and corporate events
    Hackathons and innovation initiatives
    A culture that values sustainable delivery

 

• Responsibilities:

  * Design and develop complex product features end‑to‑end, covering frontend, backend, and data layer
  * Take ownership of larger functional areas or services, ensuring their reliability, performance, and scalability
  * Contribute to technical design and architectural decisions, including evaluation of trade‑offs and long‑term impact
  * Develop reusable, maintainable, and well‑tested code following team standards and best practices
  * Write and maintain unit, integration, and E2E tests to ensure system stability and confident releases
  * Lead and moderate code reviews, set quality standards, and support the team in complex technical cases
  * Collaborate with other engineers, product managers, and other stakeholders to shape technical solutions from vague or evolving requirements
  * Take responsibility for features from early discovery and solution design to production rollout and post‑release support
  * Identify, prioritize, and systematically reduce technical debt across the codebase, not limited to owned features
  * Mentor and coach less experienced engineers, supporting their technical and professional growth
  * Actively participate in Scrum events and client communication, contributing not only status but technical insights and recommendations
  * Participate in hiring activities, including technical interviews and candidate assessment

• Mandatory Skills Description:

  - At least 5 years of recent, proven experience working with Java in a Software Developer/Engineer role
  - Strong knowledge of Java (11+), core concepts, and modern language features
  - Solid understanding of OOP/OOD principles and design patterns
  - Experience with microservices architecture: design, implementation, support, and evolution
  - Spring Framework (Spring Boot, Spring MVC, Spring Data/JPA)
  - Design and implementation of RESTful APIs
  - Unit testing frameworks (JUnit, TestNG, Mockito)
  - SQL and experience with relational databases (PostgreSQL or Oracle is a plus)
  - Experience with Git or other distributed version control systems
  - Understanding of containerization (Docker); CI/CD experience is a plus
  - Willingness and readiness to work with ReactJS, Redux, TypeScript, HTML, and CSS from day one, with the ability to quickly acquire and apply these skills in daily development

We are looking for a Senior Java Backend Developer to join our client's team and contribute to the design, development, and evolution of enterprise‑grade backend solutions. 

This is a hands‑on engineering role where you will work on building and improving Java‑based microservices and APIs in a cloud‑native environment. You will collaborate closely with engineers, architects, and product stakeholders, apply modern Java and backend development practices, and help ensure systems are scalable, secure, and reliable. 

As part of a team shaping core platforms used across the Pan‑Baltic organization, you will have the opportunity to influence technical decisions while continuously developing your skills in a modern, AWS‑based ecosystem.

Required MUST HAVE Skills:

• Practical experience building backend services using Spring Boot (7+ proven practical work years)
• Strong practical proven hands on experience with Java (preferably Java 17+ / Java 21), including modern language features
• Strong practical proven hands on experience with RESTful API design, implementation, and integration
• Strong practical proven hands on experience applying clean code principles, writing maintainable code, and implementing automated tests
• Strong practical proven hands on experience with software design principles such as SOLID, KISS, and YAGNI
• Strong practical proven hands on experience working in cloud-based or distributed systems, with AWS in particular
• Strong practical proven hands on experience with AWS services such as Lambda (Java runtime), API Gateway, CloudWatch etc.
• Strong practical proven hands on experience with CI/CD practices and the explicit proficiency with monitoring and operational stability techniques
• Very mature and fluent English is required in spoken and written communication due to working on the Pan-Baltic level.

Nice to Have Skills

• Experience in banking, finance, or other regulated environments is a strong advantage
• Experience with Quarkus will be considered as an advantage

Work type: Hybrid/Remote with occasional not being afraid office visits, paid business trip if to another country. Once per month on average.

We are looking for talented Senior Java Engineer to to join our AI project in Europe.

Our California-based customer is an American global e-commerce leader, one of the most popular and successful websites on the Internet. It provides platform services by connecting millions of sellers and buyers in more than 190 markets around the world. 

Responsibilities:

• Design and develop a robust and extensible Kotlin framework and platform for configuring and managing AI agents
• Write clean, maintainable, and efficient code that complies with our coding standards
• Ensure the performance, quality, and responsiveness of the framework/platform
• Identify and correct bottlenecks and errors
• Help to maintain code quality, organization, and automatization.

• Create and maintain technical documentation for the framework/platform

   

Requirements:

• At least 5 years of proficiency in Kotlin or Java
• Deep experience with the Spring Framework 
• Reactive tools experience (Project Reactor)
• Knowledge of different communication protocols such as REST, GraphQL, gRPC
• Experience with distributed systems
• Familiarity with tracing, metrics and monitoring best practices
• Experience of creating frameworks and platform for other developers 
• Proficiency in Maven or similar tools 
• Familiarity with NoSQL databases 

• Very good spoken and written knowledge of English language (C1)

   

Nice to have:

• Familiarity with GenAI, AI agents, machine learning, and natural language processing concepts is a plus
• Experience with MCP, A2A, RAG is a big plus
• Experience with event-driven architecture
• Experience with Docker and Kubernetes
• Python experience is nice to have
• BSc or MSc in Computer Science, Engineering or relevant field