Jobs at Djinni

Since 2021, Codefinity has been on a mission to make tech education accessible to everyone. Today, our platform helps hundreds of thousands of learners globally, and we’re just getting started. We are looking for a Backend Developer to help us build high-performance systems that can handle our rapidly growing global user base.

Do you enjoy solving complex architectural challenges? Do you want to see your code power a platform used by millions? At Codefinity, your engineering decisions directly impact the learning journey of thousands of future developers. If you're ready to build clean, scalable, and impactful technology, let’s talk.

📍 Key Responsibilities:

Microservices Development: Design, develop, and maintain microservices using Go. 
CI/CD Optimization: Build and refine CI/CD pipelines to automate testing, delivery, and deployment processes. 
Infrastructure Management: Maintain cloud infrastructure and deployment environments to ensure system reliability. 
Engineering Excellence: Uphold high standards through rigorous code reviews, automated testing. 

📍Required Qualifications:

Education: Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field. 
Core Engineering: Strong fundamentals in software design, focusing on writing clean, flexible, and scalable code. 
Go Expertise: Proven hands-on experience developing backend applications with Go. 
API & Data: Solid understanding of RESTful APIs and proficiency in working with SQL databases. 
Containerization: Practical experience with Docker for containerizing applications and managing environments.

What do we offer:

• Work within an ambitious team on a socially impactful education product.
• 20 working days of paid vacation per year, plus public holidays.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.

We are looking for a motivated Junior or Middle Node.js & Next.js Developer to join our growing engineering team.

In this role, you will work on building modern web applications, APIs, and scalable services using Node.js, Next.js, and Docker.

This position is ideal for a developer who values ​​clean code, productivity, and continuous professional development. You will work closely with product managers, designers, and senior engineers to create quality solutions with real impact on the product and users.

Responsibilities

Develop and maintain modern web applications on Next.js (React)

Create and maintain backend services and APIs on Node.js

Write clean, maintainable, and well-documented code

Containerize applications using Docker and participate in deployment processes

Integrate databases, third-party APIs, and internal services

Participate in code reviews and develop team best practices

Tweak, optimize, and improve application performance

Collaborate with cross-functional teams to design and implement new features

Requirements

Required

1–4 years of experience with JavaScript / TypeScript

Practical experience with Node.js (Express, Hono, Fastify, or similar frameworks)

Experience with Next.js and React

Understanding REST API principles

Experience with Docker (image creation, docker-compose, basic container concepts)

Git proficiency and understanding standard workflows

Understanding asynchronous programming, promises and event-driven architecture

Will be a plus

Experience with databases: PostgreSQL, MySQL, MongoDB or similar

Experience with ORM: Prisma, Drizzle, TypeORM, Sequelize

Knowledge of WebSockets or real-time systems

Experience with CI/CD

Basic understanding of cloud platforms (AWS, GCP, Azure, DigitalOcean)

Experience with testing (Jest, Vitest, Playwright)

Experience with Redis (caching, queues, sessions)

About Strim Duo:

Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software solutions, mobile applications, and post-launch product support.

Strim Duo helps partners create engaging and highly effective game content: from social and arcade games to MMORPGs and children’s apps, integrating advanced monetization mechanics and social network features (strim-duo.com)

The expertise we’re looking for

• 2+ years of proven experience as an HR / People Partner in the IT sector, covering the full employee lifecycle: adaptation, engagement, retention, and offboarding, ideally in a fast-paced and scaling environment.
• Strong background in building trusted partnerships with managers and employees, acting as a strategic advisor on people-related matters.
• Experience in developing, implementing, and regularly reviewing HR policies and procedures.
• Proficiency in Google Docs and Google Sheets for daily HR operations, reporting, and process management.
• Strong communication skills and the ability to engage and influence stakeholders at all levels.
• Demonstrable experience in talent development and succession planning.
• Fluency in English (verbal and written).
   

Your position will include

• Acting as a strategic People Partner to managers and teams, providing guidance on talent management, performance, and career development.
• Designing and delivering HR solutions that align with business objectives and foster a culture of growth and inclusion.
• Partnering with leaders to drive initiatives on employee satisfaction, retention, and development.
• Participating in the creation, implementation, and ongoing review of HR policies and procedures to ensure compliance and best practices.
• Managing key stages of the employee lifecycle — from onboarding and adaptation to engagement, retention, and offboarding.
• Leveraging Google Docs and Sheets to manage data, track HR metrics, and optimize workflows.
• Building strong, trust-based relationships across the business, ensuring open communication and collaboration.
  
  Benefits
• Flexible remote/hybrid work setup with a global team.
• 21 days of annual paid vacation.
• 12 paid sick days per year.
• Health insurance coverage.
• Performance-based bonuses and incentives.
• Open communication with leadership and a culture that values your ideas.

What is the purpose of this position?
We are looking for a skilled React Native Developer to join our team and take full responsibility for mobile development. 
Currently, potential clients make many requests, so we want to engage a new specialist on board and provide fast staffing.

Must have skills:

- 4+ years of commercial experience in mobile development, with at least 2 years in React Native.
- Strong understanding of React Native fundamentals, including components, hooks, and state management.
- Familiarity with TypeScript.
- Experience with mobile-specific features like push notifications, permissions, and platform-specific optimizations.
- Familiarity with integrating REST APIs and handling asynchronous data.
- Solid knowledge of mobile app performance optimization and debugging tools.
- Proficiency with Git and version control workflows.
- Upper-Intermediate English level.

Nice to Have:

- Experience with third-party libraries and native modules in React Native
- Knowledge of automated testing frameworks for React Native.

We offer:

— Remote Work Environment. Work from anywhere and be part of a geographically diverse team
— Stay Ahead of the Curve. Work with cutting-edge technologies
— Possibility of payment by FOP, or Payoneer
— Referral & Bonus system
— Paid 12 vacations and 5 sick leaves per year 
— Flexible hours
— Compensation program for purchasing new laptops
— Paid professional certifications & educational courses
— Paid English classes
— Friendly atmosphere with quarterly team buildings
— No bureaucracy

QA Madness is a European IT service company focusing strongly on QA and cybersecurity. The company was founded in 2013 and is headquartered in Poland.

We are looking for an experienced General QA Engineer to join our team.
Project is a healthcare platform that assists with the digitisation of research data.

In this role, you will play a key part in developing and maintaining an automation framework while following industry best practices.

Work type: Office/Remote.

Technical level: Middle.

Job category: QA.

Project: Healthcare Project.

English level: Upper-Intermediate.

Hard Skills:

— 5+ years of experience in QA or test engineering, with a strong hands-on mindset;

— Strong manual testing experience of web applications (functional & non-functional);

— Familiarity with tools like Postman, Playwright, etc;

— Proficiency in test scripting languages (JavaScript);

— Experience with CI/CD pipelines and Git-based workflows;

— Solid understanding of agile development, SDLC, and QA best practices;

— Excellent communication and collaboration skills;

— At least an Upper-Intermediate level of English (effective written and verbal communication).

Nice to have:
— API testing and performance testing (e.g. verifying application stability under hundreds or thousands of concurrent users);

Domain experience in one or more of the following: (Chatbot testing / conversational AI; Radiology/medical imaging software (e.g. MRI annotation tools); Testing ML Ops pipelines);

— Experience in planning and coordinating usability testing sessions to improve UX and gather feedback from end-users;

— ISTQB FL certification.

Soft Skills:

— Problem solver, attention to detail;

— Proactive and independent: able to work autonomously, improve QA processes, apply Shift-Left QA, define QA requirements, identify risks early, and define and develop test strategy.

What We Offer:

— Competitive salary in USD or EUR and good compensation package (reviews on demand to ensure your compensation reflects your growth and impact);

— Corporate English courses with native speakers;

— Remote work opportunity;

— Flexible work schedule (Enjoy the freedom to start your 8-hour workday at a time that fits your schedule best, anytime between 8 a.m. and 11 a.m.);

— The ability to focus on your work: a lack of bureaucracy and micromanagement (no tracking tools).

Please note, that this job is a full-time position, and it is relevant only if you meet all requirements. Any candidate who fails to meet the requirements will not be considered for the job.

*I agree to the processing of my personal data by QA Madness for the purpose of receiving the requested information and for recruitment-related communication, in accordance with the Privacy Policy. I understand that I can withdraw my consent at any time.

About the role

As a Software Development Engineer, you will contribute to all aspects of an agile software development life cycle, including design, architecture, development, documentation, testin,g and operations. You will push your design and architecture limits by owning all aspects of solutions end-to-end, through software development. Apart from that, you will be responsible for industrialization of existing prototypes, containerization, and organization of CD/CI workflows and automated tests. Context of the role: Vessels operate in the middle of the ocean, with very limited connectivity that is both costly and slow. We install the device on the vessel, and all processing runs directly on the device rather than in the cloud. Only updates and troubleshooting are performed via the available connection. You must be familiar with highly optimized coding practices and extensive development of automated tests in pre-production.
 

Requirements 
Candidates for this position are expected to have technical background in Computer Science and Engineering, including object-oriented design, data structures, and algorithms

• Experience in software development (Python, C/C++ is a plus) for performance-critical applications in resource constrained environment (example: IoT edge devices) 
  • Knowledge of software development lifecycle (CD/CI, Git, Docker, ...) for deploying and maintaining applications on remote devices 
  • A taste for high-quality software (clean code, high test coverage, peer reviews) 
  • Excellent written and oral communication in English (international team and clients) 
  • Experience in IoT edge device deployment is preferable 
  • MCU/sensor programming and industrial communication protocols knowledge is a plus 
  • Knowledge of signal and time series processing algorithms is a plus.

iOS Developer (Middle/Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Build and maintain iOS applications using Swift
• Implement new features, improve existing modules, and refactor code for long-term maintainability
• Design app architecture and make technical decisions (MVVM/Clean Architecture; modularization as needed)
• Integrate with backend services via REST APIs and/or GraphQL
• Work with persistence, networking, and concurrency; ensure stability and performance
• Write tests (unit/UI), participate in code reviews, and follow release best practices
• Collaborate with product/design/backend; communicate with the client to clarify requirements and propose solutions
• For Senior level: lead technical initiatives, improve engineering standards, mentor teammates

Typical stack (varies by project)

• Swift, SwiftUI and/or UIKit
• Architecture: MVVM, Clean Architecture, modularization
• Networking: REST, GraphQL
• Storage: Core Data, Realm, SQLite
• Tools: Git, Xcode, Fastlane/CI, Firebase, Figma

What we’re looking for

• 3+ years of commercial iOS development experience (Middle/Senior level)
• Strong Swift skills; solid understanding of iOS app lifecycle and platform guidelines
• Experience shipping and maintaining production apps on the App Store
• Understanding of architecture patterns, dependency management, and clean code practices
• Confident API integration experience (REST and/or GraphQL), error handling, async flows
• English level: B2 or higher for day-to-day communication

Nice to have

• Swift Concurrency, Combine, advanced performance profiling
• Push notifications, in-app purchases/subscriptions, deep links
• Experience with fintech/e-commerce or high-traffic apps
• Experience working directly with international stakeholders

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Android Developer (Middle/Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Build and maintain Android applications using Kotlin
• Deliver new features, refactor legacy code, and improve performance and stability
• Design and evolve architecture (MVVM/Clean Architecture; modularization when needed)
• Integrate with backend services via REST APIs and/or GraphQL
• Work with local storage, background tasks, and app lifecycle; ensure reliable releases
• Write tests (unit/UI), participate in code reviews, and improve team engineering practices
• Collaborate with product/design/backend; communicate with the client to clarify requirements and propose solutions
• For Senior level: take ownership of technical direction, mentor engineers, drive quality improvements

Typical stack (varies by project)

• Kotlin, Coroutines, Flow
• UI: Jetpack Compose and/or XML Views
• Architecture: MVVM, Clean Architecture, modularization
• Networking: Retrofit/OkHttp, REST, GraphQL
• Storage: Room, DataStore, SQLite
• Tools: Git, Android Studio, Gradle, CI/CD, Firebase, Figma

What we’re looking for

• 3+ years of commercial Android development experience (Middle/Senior level)
• Strong Kotlin skills; solid understanding of Android platform fundamentals
• Experience shipping and maintaining production apps on Google Play
• Good architecture knowledge, clean code mindset, and independence in delivery
• Hands-on experience with API integration (REST and/or GraphQL), async, error handling
• English level: B2 or higher for technical communication

Nice to have

• Jetpack Compose in production, performance optimization, profiling
• Push notifications, in-app purchases/subscriptions, deep links
• Experience with fintech/e-commerce or large-scale apps
• Client-facing experience and strong ownership

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Flutter Developer (Senior) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Own the technical delivery of Flutter applications: architecture, quality, and maintainability
• Design and implement scalable features, improve performance, and lead refactoring initiatives
• Define and enforce engineering standards (code style, reviews, testing strategy, release discipline)
• Make architecture decisions (BLoC/Provider/Riverpod/Clean Architecture; modularization where needed)
• Integrate complex backend systems via REST APIs and/or GraphQL; ensure reliability and observability
• Drive CI/CD and release processes for Google Play and the App Store; reduce delivery cycle time
• Collaborate with product, design, and backend teams to clarify requirements, estimate work, and manage technical risks
• Support client communication: propose solutions, explain trade-offs, and align on implementation details
• Mentor engineers, provide feedback, and improve team practices through code reviews and technical guidance

Our typical tech stack

• Flutter 3+, Dart
• Architecture: BLoC, Provider, Riverpod, Clean Architecture
• Networking: REST, GraphQL
• Storage: Hive, SharedPreferences, SQLite
• Tools: Git, Firebase, Postman, Figma, CI/CD

What we’re looking for

• Senior level: 5+ years of commercial mobile development, including 3+ years with Flutter in production (or equivalent strong Flutter track record)
• Deep knowledge of Flutter/Dart, state management, performance profiling, and debugging
• Proven experience shipping and maintaining production apps on Google Play and the App Store
• Strong architecture background (modularization, dependency management, clean boundaries, testable design)
• Solid testing mindset: unit/widget/integration tests; confidence with code review practices
• Experience working with APIs (REST/GraphQL), authentication, offline-first considerations, and error handling
• English level: B2 or higher (calls, written communication, requirement discussions)

Nice to have

• Firebase (Crashlytics/Analytics/Remote Config), push notifications, in-app purchases/subscriptions
• Animations and advanced UI (Rive/Lottie), custom rendering, complex UI states
• Experience with fintech/e-commerce or high-scale products
• Experience leading initiatives (migration, architecture redesign, performance program)
• Familiarity with security best practices in mobile apps

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Flutter Developer (Middle) — Next Era Solutions
Remote | Full-Time | Outstaff

About Next Era Solutions

Next Era Solutions is a mobile development team with 7+ years of experience delivering complex apps on time and within budget. We combine strong engineering practices, modern technology, and clear communication to help clients build reliable, user-friendly mobile products across different industries.

Engagement & Hiring Timeline

• Format: outstaff cooperation, full-time 40 hours/week, fully remote
• Fast 15-minute screening call (intro + expectations + quick fit check)
• Candidate confirmation typically takes about 2 weeks on average, but it can take up to 1 month depending on the client’s approval process

What you’ll do

• Develop and maintain cross-platform mobile applications using Flutter (Dart)
• Implement new features, improve existing functionality, and refactor code for scalability
• Apply solid architecture practices (BLoC/Provider/Riverpod/Clean Architecture depending on the project)
• Integrate mobile apps with backend services via REST APIs and/or GraphQL
• Write unit/widget/integration tests and participate in code reviews
• Support release processes for Google Play and the App Store, including CI/CD where applicable
• Collaborate with designers, PMs, and backend engineers; clarify requirements with the client when needed

Our typical tech stack

• Flutter 3+, Dart
• Architecture: BLoC, Provider, Riverpod, Clean Architecture
• Networking: REST, GraphQL
• Storage: Hive, SharedPreferences, SQLite
• Tools: Git, Firebase, Postman, Figma, CI/CD

What we’re looking for

• Middle level: 3+ years of commercial, production Flutter experience
• Strong Flutter/Dart fundamentals and hands-on experience with real-world app maintenance
• Experience publishing and supporting apps on Google Play and the App Store
• Good understanding of architecture patterns and clean, maintainable code practices
• Proven API integration experience (REST and/or GraphQL), async flows, error handling
• English level: B2 or higher (calls, written communication, requirement discussions)

Nice to have

• Firebase, push notifications, in-app purchases/subscriptions
• Performance optimization, animations (Rive/Lottie)
• Experience with e-commerce/fintech or large-scale apps
• Direct communication with international stakeholders

What we offer

• Full-time remote work 40 hours/week
• Long-term outstaff collaboration with stable workload
• Modern projects, clear processes, and a supportive engineering team
• Flexible location and schedule (results-focused)
• A major advantage: we support multiple payment options and can arrange the most convenient format for you (depending on your location and preferences)

How to apply

Apply and we’ll schedule a quick 15-minute screening call. If everything matches, we’ll guide you through the next steps and aim to confirm the candidate within about 2 weeks on average (up to 1 month depending on the client).

Looking for a stable role in an international company with clear processes and real growth opportunities?

Join the US logistics industry - a market that remains strong regardless of global challenges.

Our client is an American transportation company that works by Western standards and grows its managers internally. We’re looking for a Recruiter to help hire truck drivers across the USA and become part of a fast-growing international team.

What you’ll do:

• Recruit truck drivers for the US market (full-cycle).
• Communicate with candidates via calls, emails, messengers.
• Conduct interviews and explain industry rules clearly.
• Collect and verify documents.
• Update and maintain CRM.
• Handle questions and resolve candidate issues.

We’re a good match if you:

• Have English B2+ (spoken English is important).
• Like communication, negotiations, and working with people.
• Want to grow in recruitment or international business.
• Can manage time and multitask.

• Have experience in customer support / sales / recruiting (nice to have, not required).

   

What We Offer:

• Employment in a stable international company (US market)
• Working schedule: 15 PM- 1 AM, Monday–Friday.
  • 3:00 PM – 9:00 PM — office
  • 10:00 PM – 1:00 AM — remote
• Paid onboarding and structured internal training
• Clear career development and internal promotion opportunities
• Supportive team, modern office, and environmentally conscious culture

Interested in building a career in international logistics?

Send us your CV - we’ll be happy to discuss the role and answer your questions.📩

Explore a career that promises stability, growth, and global opportunities.

Our client, a well-respected player in US logistics, is seeking enthusiastic English-speaking professionals eager to step into the transportation and supply chain sector. You'll get full training and competitive pay from day one. 

What We Offer:

• Competitive Salary: Base pay plus bonuses.
• Comprehensive Training: Access to our internal training programs for skill enhancement.
• Career Progression: Clear opportunities for growth and advancement in your career.
• Work Hours: 3 PM to 1 AM, five days a week (in-office from 3 PM to 9 PM, then remote until 1 AM).

Your Role:

• Interact with customers concerning cargo shipping via chat or telephone.
• Coordinate with drivers to facilitate smooth logistics processes.
• Work closely with your team to drive collective success.
• Keeping CRM up to date

What We’re Looking For:

• English level from B2 or higher.
• Strong verbal and written communication skills.
• A keen eye for detail and excellent follow-through.
• Basic computer skills (email, internet).

Take the first step towards a fulfilling career where your growth is the priority!

Atlas Recruiting partners with leading logistics companies across the U.S. to support their rapid team expansion. We are currently looking for a Sales Manager to join our client - a reputable and fast-growing American logistics company.

If you’re driven, ambitious, and ready to boost your potential, this role is for you.

Requirements:

• English level B2+
• Experience in American logistics, sales or customer service would be a benefit.
• Strong communication and negotiation skills.
• Proactive, quick decision-maker, eager to earn more.

• Ability to multitask and stay organized in a fast-paced environment.

   

Responsibilities:

• Negotiate rates and close deals with U.S. customers.
• Coordinate shipments and communicate with drivers and carriers.
• Track loads, troubleshoot issues, and ensure on-time deliveries.

• Maintain clear and accurate documentation in the system.

   

What We Offer:

• Base pay $1200 + bonuses in USD.
• Paid training and onboarding for your successful start.
• Work Hours: 3 PM - 1 AM, Monday-Friday (in-office from 3 PM to 9 PM, then remote until 1 AM).
• Transparent career growth opportunities.
• Supportive, experienced team and an international work environment.
• Celebrations of U.S. holidays in the office.
   

If you’re looking for a place to grow, earn more, and build a career in U.S. logistics - we’d love to meet you!

We’re looking for a Senior Full Stack Engineer to help shape the next stage of the platform.
You’ll join a small, high-impact team and own features end-to-end — from architecture to delivery — building functionality that directly improves how customers prevent, manage, and respond to threats. If you enjoy building scalable systems and shipping meaningful product — let’s talk.
 

Tech Stack:

• React (TypeScript)
• NestJS (TypeScript)
• MongoDB + PostgreSQL
• RabbitMQ
• Kubernetes
   

Responsibilities:

• Lead end-to-end feature development
• Architect scalable solutions for a React/NestJS platform
• Collaborate with Product, Design, and Security teams on user-facing features
• Optimize application performance and security for enterprise customers
• Build scalable systems to onboard and support a growing customer base
   

Requirements:

• 4+ years of experience building production web applications with modern frameworks
• Strong understanding of component-based frontend architecture
• Experience with RESTful APIs and database design principles
• Proficiency in a statically-typed language (TypeScript, Go, Java, etc.)
• Knowledge of testing strategies (unit, integration, e2e)
• Understanding of containerization and deployment pipelines
• Experience with message queues and event-driven architectures
• Hands-on experience in Cybersecurity projects is mandatory
   

What we offer:

• Competitive salary and benefits package
• Medical insurance
• Top equipment kit
• Full Remote
• Collaborative and innovative work environment
• Career growth and development opportunities
• A chance to work with a talented and driven team of professional
   

About the project:

A cybersecurity platform designed to help organizations improve the efficiency and effectiveness of their entire security tools. The solution focuses on reducing operational friction, enabling smoother threat handling, and supporting security teams in maintaining strong protection without interrupting business workflows.

We are looking for a Blockchain Software Engineer with strong experience in Java, data-intensive systems, and distributed architectures, who enjoys working with blockchain data at scale.

In this role, the focus is on building robust backend systems and data pipelines that process, enrich, and serve blockchain data reliably and efficiently.

We value engineers with a solid foundation in computer science, who can reason about complex systems, understand trade-offs, and take ownership of production-grade infrastructure.

What you will do

• Design and develop Java-based backend services for blockchain data processing.
• Build and operate on-chain and off-chain data pipelines handling large volumes of events.
• Transform blockchain data (blocks, transactions, logs, state changes) into structured, analytics-ready datasets.
• Develop microservices deployed on Kubernetes (K8S) with a focus on stability and scalability.

• Work with streaming and batch processing systems (Kafka, Spark).

   

What we expect from you

• 3+ years of professional experience with Java.
• 5+ years of experience building data-intensive or data engineering systems.
• Strong fundamentals in algorithms, data structures, and distributed systems.
• Hands-on experience with high-throughput systems.
• Familiarity with technologies such as:
  • Kafka, Spark
  • ClickHouse, Snowflake, Redis (or similar)
  • Kubernetes (K8S), Airflow
• Ability to work independently and take responsibility for systems end to end.
• Bachelor’s degree in Computer Science or a related field.

Nice to have

• Experience with blockchain or Web3 infrastructure.
• Understanding of blockchain internals (blocks, transactions, consensus, re-orgs).
• Background in fintech, trading, or low-latency systems.
• Experience with analytics platforms or indexing services.