Jobs at Djinni

About the Project

The project is in the logistics domain (last-mile delivery). Our team is responsible for the backend of the system, including database architecture, integrations with external services, and an API layer that serves mobile and web applications.

Tech Stack

• Node.js
• Serverless (Cloud Functions)
• AWS (Amazon RDS)
• Docker
• Kubernetes
• Redis
• MongoDB
• Oracle NetSuite
• Backendless

Responsibilities

• Design and develop backend services and APIs
• Integrate with third-party systems and internal services
• Work with databases and optimize data access
• Participate in architecture and technical decision-making
• Write clean, maintainable, and well-structured code
   

Requirements

• 2+ years of commercial experience with JavaScript
• Solid experience with Node.js and understanding of its runtime and development lifecycle
• Experience designing and implementing RESTful APIs
• Good understanding of object-oriented programming principles
• Ability to write clean, readable, and efficient code

Preferred Candidate Profile

We strongly prefer candidates who:

• Have deep and broad knowledge across multiple areas of computer science and mathematics
• Participate or have previously participated in programming competitions (including olympiads)
• Write technical articles, contribute to the industry, or maintain a technical blog
• Are genuinely passionate about software development and treat it as more than just a job

• Thrive in a high-energy environment and enjoy working in small teams of exceptionally strong engineers

   

We Offer

• Competitive salary (based on experience and skills)
• Full-time employment
• Flexible working hours
• Long-term project with stable workload

Primary requirements:

· Higher (or incomplete higher) technical education;

· Experience in programming for Android from 2 years;

· Excellent knowledge of Kotlin, Android SDK

· Experience with:

- multithreading in Java

- Kotlin;

- Android architectural components

- Firebase;

- RXJava2;

- understanding of REST;

- understanding of OOP principles

· Knowledge of Googel approaches;

· Confident use of GIT, collaboration systems;

· Availability of applications posted on Google Play;

· Solid understanding of client-server application architecture;

· Knowledge of English at a minimum technical level, preferably spoken and written at an above-intermediate level.

Main responsibilities:

· Writing code according to technical specifications;

· Development of systems from scratch and mobile versions of company products;

· Interaction with the development team;

Working conditions:

· Bid;

· Working hours are flexible, Mon-Fri, from 9 to 18 or from 11 to 20

· Stable job in a successful IT company;

· Remote work;

About Us

We are a fast-growing, innovative technology company that provides mission-critical solutions for large, global retail chains, including top brands like Uniqlo, Acne, Asics, and many others. With a footprint spanning 35+ countries and over 100 enterprise customers, our products are the backbone of modern store operations.

Now, we are launching an exciting new startup initiative within the company and are looking for a talented developer to join the founding team of this venture!

The Role

We are seeking a Mobile Developer to work on a brand-new, cutting-edge solution: a dedicated module for our core mobile applications. This module is developed as a separate package and is central to transforming how our retail clients manage their in-store inventory.

Your primary focus will be:

• Core Functionality: Developing the store inventory viewing system.
• AI Integration: Integrating with our powerful, backend-driven AI Assistant that provides real-time, intelligent guidance on inventory management.
• Offline Capability: Implementing a robust and efficient data synchronization mechanism to handle large volumes of data, ensuring the module functions seamlessly and reliably even in an offline environment.

This is a unique opportunity to build a product from the ground up, directly impacting the daily operations of some of the world's most recognizable retail brands

Requirements:

• Experience with SwiftUI
• MVVM
• SPM
• Operations/Multithreading
• Sqlite (nice to have)

Responsibility:

• Develop and update iOS Applications
• Collaborating with the team

Senior Python / AI Engineer

Role Overview

We are looking for a Senior Python/AI Engineer with strong experience in machine learning, data engineering, cloud-based architectures, and AI agent pipelines.

You will work directly with the system architect to design and build:

• AI-powered data pipelines,
• prediction and scoring models,
• market-resolution oracles,
• agentic processing pipelines (AWS Bedrock / LangChain / custom),
• high-performance AWS-backed microservices and event-driven workflows.

This role is suited for a self-driven engineer who can operate in a fast-moving architecture.

Key Responsibilities

AI / ML

• Develop and train ML models for market signals, behavioral patterns, user risk segmentation, anomaly detection.
• Implement embedding pipelines, vector search and semantic analysis using:
  AWS Bedrock (Titan, Claude), SageMaker, LangChain, FAISS, OpenSearch, or local pipelines.
• Build LLM-based agents using LangGraph, LangChain, AWS Bedrock Agents, or custom orchestration.
• Work with HuggingFace, PyTorch, scikit-learn, Transformers, Nomic embeddings, etc.

Python Engineering

• Design clean, modular services for data collection, processing, analytics and agentic workflows.
• Build real-time pipelines using:
  asyncio, WebSockets, FastAPI, Redis Streams, Kafka, Celery, Apache Beam (optional).
• Implement microservices interacting with internal APIs, AWS services and data layers.
• Write production-quality Python (3.10+) with Pydantic, SQLAlchemy, Poetry/pipenv, type checking (mypy), and tests (pytest).

Data Engineering

• Create ETL/ELT pipelines aggregating both on-chain and off-chain datasets using:
  AWS Glue, AWS Lambda, Step Functions, Athena, S3, DynamoDB Streams, Kinesis.
• Optimize storage and data access: PostgreSQL, DynamoDB, Redis, S3, OpenSearch.
• Implement observability and monitoring: CloudWatch Logs, Metrics, X-Ray, OpenTelemetry.

DevOps / Cloud (nice to have)

• Experience with AWS:
  • Lambda (Python runtime)
  • ECS Fargate
  • Bedrock (LLMs, embeddings, agents)
  • SageMaker (model training & deployment)
  • SQS, SNS, EventBridge
  • API Gateway
  • OpenSearch
  • Neptune (graph DB)
  • KMS, IAM best practices
• Build and monitor ML services in production using:
  SageMaker endpoints, CI/CD, Docker, Terraform, GitLab CI.

Requirements

Must-Have

• 5+ years of Python engineering experience.
• Strong background in AI/ML, especially NLP and agent-based architectures.
• Experience with LLMs, embeddings, RAG, and vector DBs (FAISS, OpenSearch, Pinecone).
• Strong understanding of async Python and distributed systems.
• Experience with data pipelines (ETL/ELT), real-time event-driven processing.
• Ability to work independently and architect solutions end-to-end.
• Familiarity with AWS cloud services (at least S3, Lambda, API Gateway, CloudWatch).

Nice-to-Have

• Experience with blockchain (EVM, Polygon, oracles).
• Experience with AWS SageMaker training pipelines.
• Understanding of smart-contract-driven workflows.
• Experience with graph analytics: Neo4j, AWS Neptune, RDF/Gremlin.
• Basic Solidity understanding.
• Experience with agent frameworks such as LangGraph.

The Beta Team is responsible for leading and developing a diverse and knowledgeable beta community to test and provide quality feedback on products, features, and back-end functionality. The beta community includes thousands of strong and passionate volunteers from all over the world and we are working with them on a daily basis to improve our products.

Requirements:

● Upper-Intermediate/Advanced level of English

● 1+ year in L2 Technical Support or 1+ year in manual QA

● Familiarity with bug tracking systems and test management tools

● Task oriented — able to deliver quickly on tight schedules and deadlines, and must be able to adapt to frequent changes in requirements

As a plus:

● Experience in software QA methodologies and practices with emphasis on the Mobile world (Android and iOS)

● Experience utilizing log files to debug and analyze issues

● Experience in operating test tools and conducting analysis of test data

● Good understanding of Client-Server architecture

We offer:

● Great international team of professionals (Kyiv/Warsaw, Tel Aviv, New York);

● Compensation package (20 paid vacation days, paid sick leaves);

● Work with cutting edge technologies;

● Medical Insurance;

● English courses with a native speaker, paid tech training and other activities for professional growth;

● Hybrid work mode (∼3 days in the office);

● International business trips;

● Comfortable office (Warsaw)

Responsibilities:

● Monitoring and debugging Beta community bug reports, suggestions and forum posts

● Releasing Beta-staged versions to the community

● Identifying important and critical issues to track and report about to internal teams

Let me know please if the position is suitable and interesting for you.

Understanding that there is an approach, technologies, levels, process, components;

Defects: types and life cycle of defects;

Test types. Organization of tests;

Testing of complex software solutions and complex systems;

Requirements, an introduction to bug tracking systems;

QA process: initialization, goals, priorities, timing, risks.

At RemSoft.Dev, we’re passionate about tackling exciting enterprise projects. We’re expanding our team and looking for an experienced Senior .NET Developer to work with cutting-edge technologies like .NET Core, .NET 5, and beyond.

What We Offer:

1. Remote-first work environment: Work where you feel most productive and comfortable.
2. Competitive compensation: Monthly payments aligned with your skills and career growth potential.
3. Exciting tech stack: Projects using .NET Core, Blazor, F#, TypeScript, Angular, React, Azure, and other leading-edge tools.
4. Supportive team environment: Collaborate with a friendly and knowledgeable team ready to assist you.

What We’re Looking For:
We’re seeking a skilled professional with the following qualifications:

1. Experience:
   • 7+ years of proven expertise in .NET/C# development.
   • Solid experience in Azure/AWS (DevOps) is mandatory.
2. Frontend Development (5+ years):
   • Experience with one or more frontend frameworks such as Blazor (preferred), React, Angular, or Vue.js.
3. Backend Proficiency:
   • Familiarity with Minimal API, MVC, MAUI, or Desktop applications (e.g., WPF, WinForms, WinUI).
4. Database Experience (5+ years)
   • Strong hands-on experience with MS SQL, PostgreSQL, and MongoDB.
5. DevOps Expertise(5+ years):
   • Hands-on experience with Azure DevOps tools, CI/CD pipelines, and containerization (Docker).
   • Proficiency in PowerShell/Bash scripting.
6. Security Skills:
   • Expertise in OAuth2 implementation and integration with various providers.
7. Collaboration:
   • A critical thinker with a proactive approach to problem-solving.
   • Strong knowledge of Git/GitHub.
8. Language:
   • English proficiency (B2+) to work effectively in an international team.

If you’re excited about challenging projects, value professional growth, and are ready to step into a leadership role, we’d love to hear from you!

Requirements:

Linux (3+years)

Docker containers, create docker images (3+years)

Kubernetes, — necessarily (2+years)

Production experience with at least one: GCP, AWS, AZURE, DO (3+years) Ansible, Terraform (3+years)

Nginx, Istio, Traefik

GitLabCI, CircleCI

MySQL, PostgreSQL, MongoDB

Prometheus/Loki/Grafana

Understanding of HTTP, DNS, SSL protocols

Quick learning abilities

Solve difficult tasks in a short time

English upper-intermediate оr higher

Responsibilities:

Containerization, migration, automation of web applications

Support and deployment of applications and servers, infrastructure troubleshooting

Creating documentation for teamwork

Ensuring the operability of all systems, testing and upgrades

Search and management of new technologies for optimal performance

What we provide:

Part-time

Fully remote 

Flexible working hours

Adequate leadership

We are looking for a Java Software Engineer with strong technical skills. You'll join a team of professionals to work on IoT/Big Data projects.

You will be working with:
- Modern Java (most of our projects are Java 17, we don't use anything lower Java 11)
- Modern approaches (we use microservice-based and monolith architecture where appropriate)
- A team of experts like you
- IDEs of your choice

Responsibilities:
- Design and implement components of large software systems
- Design and implement REST APIs to be consumed by the frontend, mobile, and edge computing devices.
- Writing unit and integration tests
- Performing code reviews

Requirements:
- Good spoken and written English
- Knowledge of data structures and algorithms
- Strong knowledge of Java 8 +
- Knowledge of the Spring infrastructure (IoC, Data, Web, AOP)
- Familiarity with modern design patterns
- Experience with Spring Boot
- Experience with AWS(Amazon Web Services) will be a plus
- Knowledge of SQL
- Experience with Maven or Gradle
- Experience with Git
- Basic knowledge of Linux/Unix

Benefits:
- Proper compensation
- Coverage of paid certifications
- Remote
- 20 days vacation
- 24 days sick-leave

We DON'T have:
1. Corporate bullshit
2. Bureaucracy
3. HRs, People Partners, Happiness Managers, Wellbeing Coaches (see point 1.)
4. Java 7
5. <Ask me during the interview about this, you are going to like it>

About the interview process ( a.k.a. a bonus for those who can read so much text):

1. Brief introductory call

2. Deep technical interview, the interview consists of two rounds, one hour each

Topics we usually cover:

- Data structures and algorithms basics. You won't be sorting anything, at least at this stage

- Network protocols basics (application, and transport levels)

- Data encryption basics (encryption, approaches, digital signatures, popular algorithms)

- Java (language basics, concurrency, streams, features from recent releases)

- English (you will have to answer some of the questions in English, so we understand you can communicate with English-speaking colleagues if needed)

- Databases (SQL basics)

- Working in a team (version control, peer reviews)

- Your past experience

About AgileVision.io
We are creating SaaS(software-as-a-service) from scratch for our clients. Usually, it's a B2B(business-to-business) for logistics and manufacturing. This means we deal a lot with IoT, edge computing, and ML. Our main backend language is Java.

AgileVision.io is an official AWS Partner and we build most of our solutions on AWS.

We are looking for C# developer for our music software

( work in Lviv or Kyiv,

remote work possibility ):

www.MusConv.com

About the project:

MusConv is b2c music software which helps people synchronize their music between music services: Spotify, Apple Music, YouTube Music, Amazon Music, Tidal and others.

We offer:

Challenging interesting project

Professional growth and development program

Flexible schedule

Team of highly talented individuals

Access to developer courses like https://www.pluralsight.com

Mentor: code reviews, studying( fiddler, postman, asynchronous programming, etc.)

5% of sources is simple gui based on xaml( avalonia similar to wpf )

95% of sources is regular .net standard( backend to interact with different music services )

We are looking for C# developer to implement new features

Iterasec works with clients worldwide, helping them find vulnerabilities and secure their products. Our projects range from mobile/web applications to complex modern cloud and automotive stacks. We work with both small product companies as well as Fortune 500 enterprises.

We are looking for a talented and motivated Junior Pentester who will join our security team to work on penetration testing and vulnerability/cloud security assessment projects.

We expect a short motivation letter where you can explain your skills, achievements and motivation.

Required skills

- Solid non-commercial cybersecurity experience, such as HTB/THM

- Junior-level cybersecurity certifications would be a plus.

- Comfortable with basic application security testing and common vulnerabilities (like OWASP Top 10, CWE Top 25) and cybersecurity fundamentals

- Strong basic IT skills: Linux, networking (TCP/IP, DNS, HTTP etc.)

- Some experience in scripting/coding languages, such as Java, JS, Python, Shell, etc.

- Strong drive to learn and develop cybersecurity skills

- Technical English (Intermediate)

We offer

- Good salary + bonus system

- Rewarding environment: brilliant team ready to share knowledge and collaborate

- Support in obtaining professional certifications, such as BSCP, OSCP, eWPTX, cloud certifications, etc.

- Courses and conferences which are relevant to the position are sponsored by the company.

- We are a remote-first company with full WFH support and a flexible work schedule.

Responsibilities

- Execute penetration tests and security assessments as part of a team, including internal/external networks, web and mobile applications, Windows and Linux environments, cloud architectures, IoT devices, and more

- Create assessment documentation and reports, clearly identifying vulnerabilities and associated remediation steps

- Conduct security research

Your key responsibilities will include:

• Handle day-to-day communications with clients. Be the lead point of contact for all requests with focus on providing excellent service.
• Provide best in class service (incl meetings/calls) to build strong and long-term relationships with customers, and promote Xe when possible.
• Ensure the timely and successful delivery of our tech support&solutions according to customer needs.
• Actively monitor Ad Operations activities on a daily basis (programmatic setup, performance tracking, troubleshooting, and optimization).
• Analyse programmatic performance (e.g. traffic sources, auctions, fill rate, CPM trends) and provide clients with data-driven recommendations for revenue and performance improvements.
• Identify, investigate, and resolve operational, technical, or delivery issues efficiently, maintaining client trust and company reputation.
• Work with our technology team by recommending enhancements to ensure the constant improvement of the platform.

• Participate in team meetings/calls, document all learnings, and share knowledge efficiently.

   

Essential skills:

• Strong understanding of the AdTech ecosystem (RTB/VAST/Prebid/DSP/SSP etc)
• Proven ability to analyse performance data and translate insights into practical optimization actions
• English proficiency is a must
• Analytical skills
• Strong communication and negotiation skills with a client-first mindset
• High level of diligence in problem-solving and relationship management
• Proactive attitude and high self-organization

About Us:

• Small team (Kyiv, Dnipro and Vilnius)
• Ukrainian management
• No bureaucracy
• Own AdTech Product

About US

Headquartered in New York City, USA, B2B Soft is an established leader in the development, implementation, and support of retail management systems (RMS) designed for the wireless retail industry. With over 10 years in business, we have built a best-in-class point of sale (POS) solution recognized by major telecom operators and serving customers across North America.

As a true product organization, we work seamlessly with clients to ensure that the evolution of the platform is always in sync with their business needs, with a solid infrastructure behind it. Recent addition of the autonomous product suite well coincides with the post COVID-19 reality and enables telecom operators to conduct all aspects of their commerce via kiosks.

A client’s success is our priority. Innovation is our tool. We care about customers by going above and beyond in intellect and effort. We are honest and curious. And we are agile, applying our knowledge and skills to best serve our clients and partners. Here, you will work with advanced products, be part of open and transparent culture, learn both IT and business and advance quickly.

Summary:

As a Customer Support Specialist, you will have an opportunity to join a very dynamic team and become a trusted advisor to our clients, with an opportunity to contribute to the overall quality of our product by sharing feedback with the relevant stakeholders. You will interact with US busines owners, learn about the telecom industry and embark on an IT career path within the organization.

Key Responsibilities:

• Help existing and prospective customers by providing timely and accurate information about B2BSoft products

• Identify, analyze, and troubleshoot technical issues and provide effective solutions

• Respond to support queries via phone, chat, and email

• Help Customers with software and hardware configurations, billing, and merchant services related requests

• Provide clear and complete documentation and notes on all service inquiries

Our requirements:

• Fluent/advanced English (MUST!)

• Spanish is a huge +

• Ability to work night shifts (6 shifts: Kyiv time: 15:00 – 00.00; 16:00 – 01.00; 17:00 – 02.00; 18:00 – 03.00; 19:00 – 04.00; 21:00 – 06.00)

• An experienced PC user (General Microsoft Windows knowledge)

• Existing technical background or a strong desire to explore the field of software and hardware products

• Training and time-management skills

• Communication and listening

• Understanding of conflict resolution

• Empathy, positive attitude and Self-Control

Optional:

• Previous experience in the Support field

• Technical background and IT education

• Experience in working with CRM and Jira;

Compensation/Benefits:

Our culture is a collaborative, hands-on community where all voices are welcome at the table and existing associates’ welcome new employees with open arms. We are in an exciting phase of accelerated growth, and we welcome motivated individuals keen to hit the ground running. We also offer career and proficiency development plans and free English courses with native speakers.

UAPP team needs a Backend Developer 

Requirements:

• experience with Java or other backend languages;
• strong understanding of OOP principles;
• experience with Spring Boot or similar backend frameworks (e.g. NestJS, Django, etc.);
• knowledge of SQL and ORM tools (JPA / Hibernate or equivalents);
• experience in developing REST APIs;
• basic knowledge of algorithms and data structures;
• strong ability to learn new technologies and adapt to a new tech stack.

Will be a plus:

• experience in integration with third-party services via API, SDK.

We offer:

• career and professional growth;
• decent salary;
• interesting projects in a professional team;
• trainings, seminars, meetings and conferences at company expense;
• pleasant and friendly working atmosphere.

UAPP is an IT company, established in 2018. We provide a full range of software development services, websites and mobile applications. Consulting, design, development, implementation, support and marketing — we do everything to achieve our clients’ business goals.

Our company's key to success is a team of professionals and like-minded people with solid practical experience in the field of project implementation for businesses and their own projects.

We offer services that are designed to take a client’s business to a new level and do everything to provide quality, innovation and creativity using the latest technology solutions.

Arcus Universe Limited — www.arcus-universe.com — is a leading UK Gold Certified Partner of Acumatica ERP, and requires a strong individual to join our team.

Working out of our L’viv, Ukraine office, you will be responsible for handling customer support queries and working alongside team members to implement ERP systems for customers.

Primary responsibilities:

To manage and resolve support cases for clients in particular:

System configuration

Guidance

Training

Report writing

Managing change requests

Key skills and attributes:

Intermediate spoken and written English

Strong aptitude for learning software systems

Intermediate skills with Microsoft Excel

Desired skills:

Finance, Accounting, Bookkeeping, education or professional experience

Experience using Reporting tools such as Crystal Reports

Experience with ERP and/or Accounting software

Knowledge of SQL

Data management, data import/export, data scripting

Personality attributes:

A self-driven and ambitious individual who can demonstrate the ability to perform tasks with quality and in a timely manner with a minimum of supervision

Adaptability, tact, commitment, resourcefulness, and proactive communications

Acts with integrity and has a track record of excellent problem-solving skills

Ability to work under strict deadlines

Acts professional at all times