Jobs

About the role:

As a Product Engineer, you’ll face the most challenging tasks in your career and opportunities to make a great impact — build a productivity app that really helps millions of people.

Essential for the role:

— Great experience developing applications using Swift and Objective-C

— XCode, Instruments

— Strong understanding of SOLID, OOP patterns, and concurrency patterns

— Experience with Unit Testing

— Experience with Memory management and optimizations

— Comfortable working with UIKit, Core Graphics, iCloud Services, Foundation, GCD

— You’re a person who sees a big picture and product goals above the code

— You are an independent personality and a team player at the same time

— You’re passionate to create a product, that solves consumer needs the best and the most successful way.

What you’ll do:

— Develop core product components and user interface

— Design application architecture

— Provide code quality through code reviews & automated tests

— Write integration with services such as Dropbox, Google Drive, etc.

— Provide deep research almost at every task

— Analyse the code and always look one step ahead — how the code affects other elements of the architecture —

and how it will be used in the future.

What will you get:

— flexible working hours and remote work

— competitive salary

— 20 annual vacation days and 5 days paid time off

— medical insurance and paid sick leaves

— 50% sports and English classes compensation

— partial coverage (up to 45%) on Apple Devices purchases for personal use.

About the project:

PDF Expert is one of the best apps to handle or edit PDFs on Mac and iOS. Repeatedly marked as “App of the year” and “Apple Editor’s Choice app” in App Store PDF Expert is the best PDF editor for Mac on the market.

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Responsibilities:  

• Go through the software requirements and get clarifications on one's doubts.  
• Become familiar with the software under test and any other software related to it.  
• Understand the master test plan and/or the project plan.  
• Create or assist in creating own test plan.  
• Generate test cases based on the requirements and other documents.  
• Procure or create test data required for testing.  
• Test software releases by executing assigned tests (manual and/or automated).  
• Deliver releases to production using CI/CD tools  
• Report test results.  
• Update test cases based on the discovered defects.  
• Support the team with testing tasks as required.  
• Keep himself / herself up-to-date on the overview of the development technology, the popular testing tools (e.g. automated testing tools and test management systems) and the overview of the business domain.  
   

Skills Required:  

• Working as Quality Assurance Engineer for 5+ years.  
• Good experience in Manual Testing of Web applications with the main focus on backend part of the software.  
• Hands on experience of API testing using Postman or other similar tools.  
• Good knowledge and practical experience with message brokers like RabbitMQ or Kafka.  
• Good knowledge and practical experience with Git. Experience with Gitflow usage will be a plus.  
• Practical experience with microservices  
• Advanced skills in requirements analysis.  
• Good knowledge and practical experience working with SQL.  
• Deep understanding and experience in software development life cycle.  
• Excellent skills of reading and analysing logs to identify root cause of a defect.   
• Ability to prioritise test cases based on risk analysis.  
• Intermediate English level.  
• Strong proactiveness and communication skills.  
• Addiction to work.  
    

Will be a plus:  

• Gaming applications expertise.  
• NoSQL experience  
• Automation testing knowledge and experience (Selenium, JUnit or TestNG frameworks). 

 Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

Responsibilities:

 Develop and maintain high-performance, scalable, and fault-tolerant systems using Scala;
- Collaborate with cross-functional teams to design and develop software solutions that meet business needs;
- Design, develop, and test software components, services, and APIs;
- Write clean, efficient, and maintainable code;
- Troubleshoot and debug production issues, collaborate with the DevOps team;
- Working proactively on code quality, observability and best practices held across the company.

Hard Skills:

- Proficiency in Scala and its ecosystem (sbt, ZIO, PlayFramework, Sangria, and other libraries). At least 3 years of experience is desired;
- Experience with functional programming and distributed systems;
- Understanding how the JVM, JDK/JRE, and accompanying technologies work;
- Familiarity with database technologies (SQL, NoSQL);
- Hands-on experience using Kafka;
- Knowledge of web technologies (HTTP, REST, GraphQL) and microservice architecture (service mesh);
- Experience with software testing and debugging tools.

Nice to Have:

- Familiarity with Kubernetes and Docker.
- Experience with Aerospike or other KV database.
- Experience with FP paradigm and other JVM languages.
- Understanding of CI/CD tools and methodologies.

What We Offer:

- A job in a stable company – we have been in the market for over 13 years;
- Truly engaging tasks – take part in creating the media service of the future;
- Relationships built on trust and plenty of opportunities for growth;
- Table tennis lessons, and piano classes;
- Free English lessons;
- A corporate psychologist;
- Discounts from partner brands and our service.
 

By applying for the vacancy and submitting your resume to the Company (LLC “MEGOGO”), registered and operating in accordance with the legislation of Ukraine, registration number 38347009, address: Ukraine, 01011, Kyiv, Rybalska Street, 22 (hereinafter referred to as the “Company”), you confirm and agree that the Company processes your personal data provided in your resume in accordance with the Law of Ukraine “On Personal Data Protection” and GDPR regulations.

We’d appreciate it if you could take a moment to fill out a short survey about what matters most to you. It will help us better understand candidates’ expectations and create an even more comfortable environment at MEGOGO. Here’s the link: bit.ly/43YaxBH

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required Skills: 

• 5+ years of hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  

Preferred Skills:  

• Experience in application and infrastructure monitoring. 
• Proven ability to troubleshoot production problems related to software applications. 
• Exposure to high-load systems. 
• Good spoken and written English skills. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

About us:
 

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals is shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required Skills: 

• 5+ years of hands-on experience in commercial software development using Java.  
• Solid understanding of Object-Oriented Programming (OOP) concepts and proficient in applying design patterns. 
• Extensive expertise in Java Core and the Spring framework (including Spring Boot, Spring Web, Spring Data, Spring Cloud). 
• Proficiency in vanilla JDBC for database interactions. 
• Strong understanding of RDBMS concepts and SQL, with experience working with databases such as Oracle, PostgreSQL. 
• Experience with Redis. 
• Experience with distributed messaging systems, particularly RabbitMQ. 
• Proven track record in the development of microservices and distributed transactional systems. 
• Knowledge of fundamental design principles for building scalable and highly available applications. 
• Good foundation in algorithms, design patterns, and data structures. 
• Proficiency in unit/functional testing frameworks such as JUnit 4/5, Spock, and Testcontainers.  
• Proficiency in Ukrainian.

Preferred Skills:  

• Experience in application and infrastructure monitoring. 
• Proven ability to troubleshoot production problems related to software applications. 
• Exposure to high-load systems. 
• Good spoken and written English skills. 
• Experience with JSP, Thymeleaf, JavaScript, TypeScript, React would be a big plus. 
• Experience with MongoDB would be a big plus. 

Responsibilities:  

As a Java Software Engineer, you will play a pivotal role in engineering and implementing a high-loaded enterprise system that serves tens of thousands of users logging into our product every day. Your responsibilities will include: 

• Collaborating with cross-functional teams to design, develop, and maintain robust software solutions that meet the needs of our enterprise-level system. 
• Architecting scalable and efficient Java-based components to ensure optimal performance under high load. 
• Implementing best practices in software engineering, including code reviews, testing methodologies, and documentation standards. 
• Optimizing system performance and reliability through continuous monitoring, troubleshooting, and performance tuning. 
• Participating in the entire software development lifecycle, from requirements gathering and design to deployment and support. 
• Staying up-to-date with the latest technologies and industry trends to continuously improve our system architecture and development processes. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

Niko Technologies develops and delivers technologically unique solutions to ensure the financial well-being of a wide range of consumers, from businesses to smartphone owners.

What will you get:

• Friendly, family atmosphere, active corporate events and team building.
• Flexible work schedule.
• High pay for your work and good prospects for development.

*depends on your experience and skills

• Opportunities to improve in a friendly team.
• 100% compensation of expenses related to participation in trainings and specialised conferences/seminars

Skills that we need:

• Minimum 5 years of experience as a UX/UI designer
• Ability to work in a team, as well as manage your time and tasks independently.
• Experience in creating mock-ups, storyboards, user flows & process flows
• Excellent visual design skills with sensitivity to user-system interaction
• Proficiency in Figma, Photoshop, Illustrator, or other visual design and wire-framing tools (Figma Prototype, Invision will be a plus)
• Knowledge of user-oriented design rules
• Good knowledge of the English language
• Enthusiasm, motivation for self-development, and a positive attitude
• Availability to start work immediately

What will you do:

• Develop UX/UI designs for web and mobile applications, following the latest trends and standards.
• Conduct user experience research and analyze user behavior to create intuitive and functional interfaces.
• Create wireframes, prototypes, and visual layouts for new products and features.
• Collaborate closely with developers, product managers, and other team members to ensure designs meet technical requirements and business goals.
• Continuously improve existing interfaces, identify problem areas, and propose effective solutions.
• Support and develop the company's design system.

Join our team today!

Required skills

• +5 years of active practice in C# .NET / .Net Core / ASP.NET Core 
• Knowledge at JS/HTML/CSS with commercial development experience minimum 3 years;
• Experience in React, MaterialUI;
• Experience of Mobx, Typescript;
• Hands-on experience of building RESTful API’s and SPA’s;
• Experience in MS SQL;
• Experience in authentication and authorization;
• Intermediate+ Englis level. 

As a plus:

• Knowledge of Rabbit MQ, Redis, Hangfire, SignaIR;
• Experience in Docker;
• Experience with micro front-end approach;
• Experience of Unit test (XUnit, jest-junit);
• Experience in ES6;
• Experience in Bank, Retail, Financial or/and Point of Sales projects;
   

Responsibilities:

• Integration with 3d party API’s and systems;
• Support of existing and creation of new applications. 
• Active participation in discussions and decision making on internal products;
• Proposing technical solutions based on business needs;
• Participation in an estimation process for short, long term planning;
• Active collaboration with team (participation in grooming, daily meetings, planning sessions etc.)

Project Description:

Wireless Standard POS (Point-Of-Sales) (www.b2bsoft.com) is our retail management solution for the Telecom Market.

It provides thousands of retailers with features and functionalities they need to run their businesses effectively with full visibility and control into every aspect of sales and operations. 

It is simple to learn, easy to use and as operation grows, more features can be added on.

Our system can optimize and simplify all processes related to retail in this business area. 

 

Few things that our product can do:

• Robust Online Reporting
• Repair Management Software
• 3rd Party Integrations
• Customer Connect Marketing
• Time and Attendance
• Carrier Commission Reconciliation

As a member of one of 7 product development teams in Kiev you will have the opportunity to work on a very complex product with microservice architecture (50+ for now) and communicate with Product, QA, Business analytics, Architecture and Customer Support teams to help improve product quality.

From a technology standpoint you will also have the opportunity to work with and develop the following technology stack which we use in our product development:

• For Back End development we use .Net Framework technologies, C# and .NET last LTS version

• For Front End development we use React JS framework (Typescript).

On a daily basis we use additional technology stacks including: .NET, Microsoft Azure, MS SQL, HTML, CSS, JavaScript and many others.

We expect you are

You’re ready to dive into different challenges and propose a solution. You’re a problem solver with great communication skills, who’re not afraid to take responsibility. You do really care about results and commitment. Bigger challenges — not a problem but an opportunity for you. What is more, you are always in touch with what happens around you so we expect a proactive approach.

Responsibilities

• Develop an internal billing system in cooperation with billing manager and a team.
• Cover the most important part of the system with automatic tests.
• In cooperation with Billing manager create a system of core metrics to monitor, setup its monitoring. Continuously monitor these metrics.
• Troubleshoot the billing system, investigate possible troubles with key metrics, make fixes.
• Implement new functionality based on the Billing managers roadmap.
• Continuously explore and implement best existing and emerging practices in the domain area which lead the system to better meet business goals.
• Make quick MVP and tests for validation of some uncertain hypothesis.
• Cooperate with billing clients engineering teams, educate them on billing usage, discuss existing and emerging needs, find the most effort/profit optimal solution to satisfy it.
• Troubleshoot clients issues related with usage of the billing system.

Requirements

• 5+ years in Software development.
• Commercial experience with Ruby (main) / GoLang / TS.
• Commercial experience with AWS.
• Solid experience with data analysis, monitoring key metrics & launching technical A/B test to improve business metrics that technical solution solves.
• Proven experience of work as a solo-team without supervision.
• Proven experience of creating a system architecture from scratch.
• Strong Computer Science fundamentals.
• Strong proven experience with Relational and NonSQL databases.
• Strong proven experience with RESTful API approach.
• Strong proven experience with CI/CD (gitlab).
• Familiar with Microservices.
• Experience with Docker.
• Strong understanding of why we should write tests and documentation.
• Experience with frontend.
• Basic understanding (or willingness to learn) how payment processing works for credit cards & digital wallets (Apple Pay, Google Pay).
• Basic understanding of data securing practises & building secure systems.
• English B2+.

Previous experience with the Finance domain will be a plus.

Join a forward-thinking SaaS company at the forefront of advertising technology for high-risk industries like iGaming, Nutra, Dating, and Finance. We’re seeking highly skilled, fast-moving software engineers who love to dive into the code, solve immediate problems, and produce working solutions quickly. If you thrive in complex environments, are comfortable bypassing conventional structures to reach innovative solutions, and are driven by creating solutions that push the boundaries of what’s possible, we want you to shape the future of ad tech with
us. This is your chance to build a sophisticated, high-impact platform that meets the unique demands of high-risk advertising.

What You'll Do:

You’ll play a pivotal role in developing and optimizing our cutting-edge ad tech platform, designed to serve the unique needs of high-risk industries. You’ll be deeply involved in the code, collaborating cross-functionally to tackle complex technical challenges and deliver rapid and effective outcomes. Your expertise in reverse engineering, penetration testing, problem-solving, and unconventional thinking will allow you to enhance and drive key advancements in our technology, helping us grow and maintain our competitive edge in the industry.

What You'll Bring:

● Rapid problem-solving with a focus on immediate functionality.
● Thrives on innovation and enjoys “hacking” together solutions that work efficiently in the short term.
● 5+ years of coding experience, often in fast-paced environments like
startups.
● 5+ years of PHP development experience, with a strong focus on Laravel.
● Working experience with Facebook APIs, or similar social media APIs, both public and internal.
● Varied background with experience across multiple languages and
frameworks, though not necessarily in leadership roles.
● Familiarity with CI/CD pipelines, containerization (Docker/Kubernetes),
and infrastructure automation.
● Proficiency in Burp suite or similar tools for analyzing HTTP
requests/responses.
● Queue management and know how to work with queues at scale.
● Have experience with creating bots and automation by reverse
engineering existing systems.
● Proficiency in SQL and NoSQL databases, with experience in optimization and scaling.
● Knowledge of unit testing and automated testing frameworks to ensure software quality.

Your Profile:

● Works best independently or in small, agile teams
● Contributed to open-source projects or can share examples of side
projects, showcasing your passion and willingness to experiment.
● Ability to quickly adapt, innovate, and solve unique problems with time
constraints.
● Previous senior developer experience in tech/SaaS/Cyber companies with strong references.
● Problem solver who thrives on solving complex challenges.
● A can-do attitude who thinks outside the box and only stops once a
solution is found.
● Fully Committed, ready to dedicate yourself to a single project for the long term.
● Strong communicator who communicates effectively in a cross-functional team setting.

We are looking for extremely strong and experienced Senior Front-End Developers to build next-generation supply chain planning, analytics and solutions. You will get to work on projects for large global brands with a highly experienced. If you are a high-energy, motivated, and initiative-taking individual then this could be a fantastic opportunity for you.

Primary responsibilities

· Participate in the entire application lifecycle, focusing on coding and debugging 

· Develop and test highly interactive metadata driven UI framework using modern web technologies and frameworks 

· Write well-designed, scalable, and testable code with unit tests and integration tests 

· Collaborate with the development of new features, enhancements and fix existing system bugs  

· Analyze existing code to understand performance impact and propose solutions 

· Troubleshoot, debug, and upgrade existing systems 

· Keep on top of new technologies 

· Interact with BA's, QA's and other peer to clarify business requirements 

· Engage and learn about complex business rules related to supply chain planning 

· Support demo development activities

· Recommend processes, services, software and other tools to support business objectives 

Requirements

· 5+ years of software development experience, preferably in an Agile setting 

· Deep expertise in Angular framework 

· At least 5 years of experience using standard and ubiquitous web technologies; JavaScript, HTML, CSS, TypeScript

· Experience with big table visualization using data grid components with pagination/infinite scroll

· Experience visualizing data using D3, eCharts or other innovative technologies is a plus

· Strong grasp on front-end security best practices and principles 

· Ability to think big and build metadata driven UI framework that improve customer experience and propel our growth

· Excellent at articulating, documenting and presenting ideas and work across the engineering organization

· Passion for pioneering new ideas and promote continuous learning

· Experience developing full-stack solutions on public cloud infrastructure (aws preferred) is a plus

· Knowledge of supply chain planning is a plus 

Benefits Include 

· Competitive Compensation

· Unlimited PTO

Job Description

• Collaborate on the development and integration of AI-driven features, leveraging the latest advancements in LLM and NLP
• Conduct research and experiments to explore innovative AI methodologies and incorporate cutting-edge models into customer care products
• Take responsibility for the entire lifecycle of feature developments, from initial discussions with product teams, defining requirements and providing estimates, to actual coding in collaboration with the team, monitoring performance and delivering robust solutions to end-users
• Optimize system performance, reliability and stability, making sure our service remains seamless and accessible
• Participate in technical discussions to improve existing architecture and developer experience

Requirements

• 5+ years of experience as a Server Engineer
• Proven ability in designing server solutions, API design, and handling technical discussions
• Experience implementing and integrating gen-AI models, particularly large language models (LLMs) into production systems
• Passion for product development
• Understanding of business objectives and goals and how to transform business problems into actionable tasks
• Strong communication skills
• Proficiency with Large Language Models, including prompt engineering, fine-tuning, automatic evaluation and Retrieval-Augmented Generation (RAG) — an advantage

About the Team

The Chatbot team’s mission is to make the Customer Care Chatbot the principal choice for users seeking solutions during their Wix experience. We are committed to developing an AI Chatbot that leverages Wix’s knowledge and relies on contextual cues to determine the most appropriate next action to facilitate the user’s journey.

About Wix

Wix makes it possible for anyone to succeed online.

Since 2006, we’ve grown to around 5,500 employees in 22 countries, launched over 40 products, and serve over 243 million users and their visitors worldwide.

At Wix, we push you to innovate, evolve in non-traditional ways, and collaborate. We operate in small teams that work closely together at a high level.

Although we’re already industry leaders in web creation and business, our work is nowhere near done. Our goal is to become the main engine of the Internet so we can create a more open web for all.

We’re proud to be an equal opportunity company. Wix was built around the idea that everyone has the right to be successful, online. This same vision defines us as a company: creating a work environment where everyone is welcome, and anyone has the right to succeed.

Ubidex is seeking a highly skilled Software Engineer to join our team and contribute to the development of a large-scale SaaS platform. In this role, you will be responsible for designing and implementing architectural solutions to ensure high performance and efficiency in our platform for retargeting advertising campaigns and analytics.

Required Skills and Experience:

• 7+ years of experience in backend development in total;
• 5+ years of experience with Go development; capable of building and maintaining high-load backend systems;
• Experience with Linux (Debian / Ubuntu);
• Solid understanding of Docker and container orchestration systems (k8s, swarm);
• Experience with PostgreSQL;
• Experience with In-memory storage (Redis, Aerospike);
• Experience with distributed systems and high-load services;
• Experience with Microservices (API, patterns, background processing);
• Experience in developing REST, GraphQL, gRPC API;
• Solid understanding of KISS, DRY, SOLID principles and design patterns;
• Practical experience with event-driven development patterns;
• Experience with Ansible and CI/CD tools like Gitlab CI;
• Experience with monitoring and logging tools and performance tunning;
• Fast learner with a strong desire to continually acquire new knowledge;

Nice to have:

• Experience with ClickHouse;
• Experience with designing GraphQL and gRPC API;
• Experience with message brokers like RabbitMQ, Apache Kafka, NATs;
• Experience with scripting languages like Python, Bash;
• Experience with Node.js development;

Responsibilities:

• Build high-load (500k+ RPS) distributed system using Golang and Node.js;
• Design and implement backend features from conception through to deployment;
• Analyze system performance metrics and bottlenecks to fine-tune services for maximum efficiency;
• Work closely with team to deliver high-quality features and resolve issues;
• Review code and provide feedback to ensure best practices (e.g., style guidelines, accuracy, testability, and efficiency);
• Define and implement testing strategies, including unit testing, integration testing, and performance testing, to ensure the reliability of the system;
• Stay updated on the latest technologies and tools relevant to the project, and big data processing, making informed decisions on technology adoption
• Be a part of the critical path in a fast-growing project's development and delivery processes.

Product stack:

• On-premise: Docker, Swarm, k8s
• Programming languages: Golang, JavaScript / Node.js
• DB: PostgreSQL, Redis, ClickHouse, Aerospike, Mongo
• Monitoring: Prometheus, Loki, Grafana
• CI/CD: GitLab, Ansible
• Storage: S3(minio)
• Web: nginx, traefik, cloudflare

About Us

Everstake is a blockchain company with Ukrainian roots, ranked among the top 10 validators globally. We collaborate with over 80 Proof-of-Stake (PoS) blockchain networks. As we grow and continuously improve, we are seeking a DevOps Engineer to join our team. This role involves tackling complex engineering challenges using cutting-edge technologies.

Requirements

Technical Background:

• A degree in a relevant field and 5+ years of hands-on experience.

Core Skills:

• Experience working with *nix-like operating systems.
• Strong knowledge and practical experience with Terraform, AWS, Kubernetes, and Helm.
• Experience setting up CI/CD pipelines (GitLab CI, Jenkins).
• Hands-on experience with GitLab CI (GitHub Actions is a plus).
• Strong proficiency with Terraform, Ansible, and Helm.
• Ability to write automation scripts using Bash, Python, Go, Rust, or JavaScript.
• Experience with monitoring and logging tools such as Prometheus, Grafana, ELK Stack, and Zabbix.
• Understanding of DevOps, GitOps, and Infrastructure as Code (IaC) methodologies.
• Basic knowledge of network security and access control.
• Experience with cloud platforms (AWS, GCP, Azure) and bare-metal servers.
• Strong communication skills and ability to work within a team.
• English proficiency at B2 level or higher.

Nice-to-Have Skills:

• Certifications in AWS, Kubernetes, Terraform.
• A proactive approach to learning new tools and solving problems.
• Familiarity with additional IaC tools (Pulumi, CloudFormation).
• Experience implementing Zero Trust architecture.
• Experience working with databases is a plus.

Responsibilities

• Setting up CI/CD pipelines in GitLab CI/CD, Jenkins.
• Automating testing, build, and deployment processes.
• Optimizing pipelines to increase speed and reliability.
• Automating infrastructure deployment using Terraform, Ansible, and Kubernetes.
• Containerizing services using Docker and Kubernetes.
• Writing automation scripts in Bash, Python, or Groovy.
• Implementing monitoring solutions using Prometheus, Grafana, and Zabbix.
• Identifying and troubleshooting issues in deployment processes.
• Analyzing logs, debugging errors, and improving system stability.
• Integrating automated vulnerability scanners and access controls into CI/CD pipelines.
• Managing secrets securely with HashiCorp Vault, AWS KMS.
• Following DevSecOps best practices.
• Working closely with developers, DevOps, and security engineers to improve DevOps processes.
• Reviewing automation processes and sharing best practices with the team.
• Engaging in Slack discussions and participating in technical meetings.

What We Offer:

• A fully remote work environment with a dynamic and supportive team.
• Opportunities to work on innovative CI/CD and DevOps solutions in the blockchain infrastructure field.
• Opportunities to work on cutting-edge blockchain technology.
• Professional growth and development opportunities.
• Competitive salary based on experience and expertise.

AI Product Company seeking a Python Backend Developer to Join Our Team (Part-Time)
 

We are looking for an experienced backend developer to enhance our AI-powered voice processing system. Our infrastructure processes real-time audio streams and integrates advanced speech recognition models for high-accuracy transcription and analysis.
 

Responsibilities:

1. Implementing and integrating new speech processing models into our existing pipeline.
2. Developing a system for real-time audio streaming to multiple speech-to-text services via WebSockets or gRPC.
3. Ensuring parallel redundancy by streaming to multiple models for improved accuracy and reliability.
4. Optimizing performance and ensuring high system stability.
5. Working with audio streams (handling encoding, headers, and real-time data processing).
6. Deploying and maintaining the system on Linux servers with proper logging and monitoring.
    

Required Skills:

• Proficiency in Python
• Experience with VoIP and real-time audio processing.
• Deep understanding of WebSockets (non-blocking asynchronous WebSockets and TCP sockets).
• Flask/FastAPI for API deployment and optimization.
• Experience with gRPC and handling streaming protocols.
• Familiarity with modern speech-to-text APIs and real-time transcription.
• Linux/bash scripting for deployment and automation.
• Multithreading/Multiprocessing experience to ensure efficient parallel processing.
• Intermediate or higher English proficiency (written).
   

Preferred Skills (Huge Bonus):

• Experience in high-load systems (100+ requests per second).
• Experience in optimizing real-time speech processing applications.
• Experience in deploying/fine-tuning machine learning models.
• Knowledge of containerization (Docker).
   

Soft Skills:

• Discipline
• Responsibility
• Time-management
• Intermidiate English (writing/reading docs)
• Spoken Ukrainian / Russian 
   

What We Offer:

• Competitive compensation based on interview assessment and project scope.
• Opportunities for career growth and learning in cutting-edge AI technologies.
• Innovation-driven work environment, where your input and suggestions are valued.
• Additional training and courses for full-time employees to enhance skills and expertise.
   

If you're an experienced backend developer passionate about real-time speech processing and AI-powered solutions, we'd love to hear from you!

Pivdenny Bank is one of the leaders in the Ukrainian financial market and ranks third in the group of Ukrainian private banks in terms of assets. For 31 years, Pivdenny has been a reliable financial partner for individuals, small and medium enterprises, and corporations.

More than 1700 active and dedicated employees work for Pivdenny throughout Ukraine. For four years in a row, the bank has been included in the Forbes 50 Best Employers rating.

We are now looking for a Software Engineer .NET to join our team.

Requirements:

• At least 5 years of experience as a .NET developer;
• Strong expertise with .NET Core/Framework;
• Hands-on experience with transactional and high-loaded distributed projects with micro-services architecture;
• Excellent knowledge in RabbitMQ;
• Excellent knowledge in Docker;
• Experience in RESTful API and Api version;
• Proficiency in SQL and/or NoSQL databases (e.g., Ms SQL, Oracle/Elasticsearch, Redis);
• Familiarity with testing frameworks (e.g., NUnit) and version control systems (Git).

Will be Plus:

• Experience in bancking/fintech;
• Experience with Blazor;
• Experience wih writing pipeline CI/CD;
• Mentoring skill.
  
   

Responsibilities:

• Software development according to requirements;
• Building solutions based on microservices architecture;
• Development of high load systems in .NET technologies.

What we offer:

• Health insurance or gym;
• Competitive salary;
• Work in a functional, comfortable office or remotely;
• Corporate psychologist;
• Opportunity for career growth and development;
• Opportunity to take courses and training;
• Opportunity to work in a stable and professional company with a friendly team.

We review resumes within 14 days. If you do not hear from us, it means that we cannot offer you a position at this time, but we have kept your resume in our database. We will contact you when we have a suitable opportunity.