Jobs at Djinni

We are looking for a Trainee Front-End Engineer to join our team and help build modern web and mobile applications using Angular. You will work closely with senior engineers, develop your front-end skills, and gain hands-on experience with Firebase and Ionic. This role also offers a potential growth path toward an AI Engineer role for candidates interested in AI technologies.

Responsibilities:

• Develop and maintain web and mobile applications using Angular.
• Build responsive UI components and features.
• Integrate applications with Firebase services (authentication, database, hosting).
• Support mobile app development using Ionic.
• Fix bugs and improve application performance.
• Collaborate with designers and back-end engineers.

Requirements:

• Basic knowledge of HTML, CSS, and JavaScript.
• Familiarity with Angular fundamentals (components, services, routing).
• Understanding of REST APIs.
• Willingness to learn and grow in a team environment.

Nice to Have:

• Basic experience with Firebase.
• Familiarity with Ionic framework.
• Interest in AI or machine learning.

Growth:

• Mentorship in Angular and full-stack Firebase development.
• Opportunity to gradually transition toward an AI Engineer role.

We offer*:

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

*not applicable for freelancers

Job Vacancy: Graphic and Web Designer

We are looking for experienced Graphic designer to join our team!

Responsibilities:

- Collage creation for banners;

- Development of landing pages;

- Assisting in preparing UI design interfaces;

- Creation of marketing materials for the project;

- Development of GIF animations.

Required Skills:

- At least 2 years of experience in graphic and web design;

- Advanced knowledge of Photoshop:

  •Color correction;

  •Retouching;

  •Ability to work with masks.

- Advanced knowledge of Figma:

  •Working with components;

  •Working with Auto Layouts;

  - Preparing responsive layouts.

- Experience in prompt engineering:

  •Ability to work with AI tools (Midjourney, ChatGPT);

- Basic knowledge of:

  •After Effects animation;

  •Illustrator;

  •Photoshop animation;

  •Prepress preparation;

- Proficiency in English.

Personal Qualities:

- Independence;

- Desire to learn;

- Responsibility.

**We offer:

-Remote work with a 5/2 schedule.

-Paid training (100% coverage for short courses, 30-50% for more advanced ones).

-English lessons for employees.

-20 vacation days + 5 additional day-offs, paid sick leave.

You will set up and support PPC campaigns for TechMagic’s service and product directions across Google Ads, Bing Ads, LinkedIn Ads, and optionally Meta Ads — from account structure and campaign type selection to working with ad creatives and identifying opportunities for ongoing performance improvement. This role is focused on operational support.

Key Responsibilities:

• Plan, create, and optimize PPC campaigns on Google Ads (Bing Ads and LinkedIn Ads experience is a plus)
• Perform keyword research, audience targeting, and competitor analysis to improve campaign performance
• Continuously monitor, analyze, and report on campaign KPIs and conversion metrics
• Test new ad formats, bidding strategies, and platform features to improve results
• Stay updated on PPC trends and platform updates to build expertise

Tools & Platforms Experience

• Paid Acquisition: Hands-on experience with Google Ads; familiarity with Bing Ads and LinkedIn Ads is a plus
• Analytics & Product: Basic understanding of GA4, Looker, and Google Tag Manager for monitoring campaigns and reviewing performance data.
• Microsoft Excel / Google Sheets: pivot tables and calculated fields, filtering, and basic text formulas for data handling.

Additional Skills & Qualities

• Excellent communication skills and attention to detail
• Basic reporting skills and ability to handle routine tasks accurately
• Ability to work independently and as part of a cross-functional team
• Result-oriented mindset

Interview stages

1. Call with Recruiter
2. Test task
3. Interview with Recruiter and Senior PPC Specialist
4. Interview with Head of Marketing

At Levi9, we believe we’re smarter together. We’re looking for a tech-savvy Junior QA to test cutting-edge media platforms. If you have a passion for JS, SQL, and automation, join our Kyiv/Lviv team and grow your skills on a large-scale international product.

🔹About the project

 Our client is a leading media company in Western Europe, delivering high-quality content across various platforms, including newspapers, magazines, radio, TV, websites, apps, and podcasts. Their brands reach millions of people daily, shaping the media landscape with independent and trusted journalism.

We are collaborating with them to develop a cutting-edge digital advertising solution that optimises media campaigns and enhances user engagement. The product is already in production, and we are continuously evolving its features to meet the dynamic needs of the market.
 

🔹Responsibilities

• Work in a team as a QA to analyze business requirements and create/ update testing documentation.
• Provide different type of testing for web application (UI/API). 
• Report and verify bugs to guarantee the quality of the project. 
• Actively participate in release activities and execute appropriate types of testing (Regression testing, Smoke testing, Exploratory testing, etc.). 
• Actively participate in all Scrum ceremonies ( Daily meetings, Sprint planning, retrospectives, brainstorming activities related to the project).
   

🔹Requirements

• 1+ year of commercial experience in testing web applications.
• Understanding of Browser DevTools (Network, Console, Storage, Elements tabs) for debugging.
• Experience in API testing of REST services (Postman/Insomnia/Charles and understanding of JSON/XML formats).
• Experience in requirements analysis, clarification, and decomposition.
• Solid understanding of SDLC, STLC, and Agile/Scrum principles.
• Experience in writing Test Cases and Checklists using standard test design techniques (Boundary Value, Equivalence Partitioning, State Transition).
• Experience with Jira (bug tracking) and Confluence (documentation).
• Knowledge of SQL (ability to write multi-table JOINs and aggregate queries to verify backend data state against UI/API results).
• Understanding of Client-Server architecture (HTTP methods, headers, cookies, caching).
• Basic familiarity with AI tools (e.g., ChatGPT, GitHub Copilot) for test data generation or documentation assistance.
• Basic knowledge of the JavaScript/TypeScript language.
• Basic knowledge of Version Control Systems (Git).
• English: Upper-Intermediate (B2).
   

🔹Would Be A Plus:

• Experience writing UI/API tests using Playwright, WebdriverIO, or other testing tools.
• Ability to clone repositories, pull changes, and handle basic merge requests.
• ISTQB certification.
   

🔹9 reasons to join us:

1. Today we're working with the technology of tomorrow.
2. We don't wait for a change. We are the change.
3. We're experts in creating experts (Levi9 academy, Lead9 program for leaders).
4. No micromanagement. We are free birds with a clear understanding of what the high performance is!
5. Learning in Levi9 never stops (unlimited Udemy for business, meetups, English courses, Professional trainings).
6. Here you can train your body and mind.
7. We've gathered the best locations - comfortable, cozy and pet-friendly offices in Kyiv (5 minutes from Olimpiyska subway station) and Lviv (5 minutes from the Opera Theatre) with regular offline internal events
8. We have master's degree in work-life balance.
9. We are actively supporting Ukraine with constant donations and volunteering
    

🔹Interview process

1. Intro call with a recruiter – get to know each other and discuss expectations.
2. Technical interview – showcase your skills.
3. Managerial interview – discuss the role, team dynamics, and project.
    

🔹Simple step to get this job

Click the APPLY NOW button and leave your contacts!

Key Responsibilities:

• Develop and execute a sponsorship acquisition strategy for sports broadcasts and live streams.
•  Identify potential sponsors and build a strong pipeline of leads across relevant industries (e.g., FMCG, tech, sport, lifestyle brands).
•  Create tailored sponsorship packages and proposals that align with sponsor objectives and audience engagement.
•  Negotiate sponsorship contracts, ensuring mutual value and long-term collaboration.
•  Manage relationships with sponsors throughout the partnership cycle, from initial contact to post-campaign reporting.
•  Collaborate with marketing, production, and commercial teams to ensure seamless activation of sponsorships during broadcasts.
•  Monitor market trends in sports marketing and digital media to identify new opportunities.
•  Prepare regular performance reports and ROI analyses for sponsors and internal stakeholders.

Skills we value:

• Proven track record (5+ years) in sponsorship sales, partnership management, or business development, preferably in sports, esports, or media.
• Strong negotiation and presentation skills with the ability to engage senior-level decision-makers.
• Experience in creating and selling sponsorship packages for live events or digital platforms.
• Solid understanding of sports marketing, media rights, and brand activation.
• Excellent communication and interpersonal skills.
• Ability to work independently, meet targets, and manage multiple projects simultaneously.
• Advanced English (both written and spoken).

We offer:

• Work with top brands in the esports industry.
• Flexible remote format.
• A creative and fast-paced environment where your ideas matter.
• Opportunity to grow and experiment with new design formats.

We are looking for a structured and detail-oriented QA to ensure stability, accuracy, and performance in the scraping infrastructure behind our international SaaS platform.
 

This is a fully remote role with direct impact on product quality and reliability. You will work closely with the Spider/Scraper Team Lead and developers to ensure that our data pipelines deliver accurate, consistent, and high-quality outputs across multiple markets.
 

Responsibilities

• Test and validate scraping outputs across different markets
• Identify inconsistencies, bugs, and data quality issues
• Collaborate closely with developers and technical leadership
• Establish and maintain structured QA processes and documentation
• Monitor data accuracy and proactively flag anomalies
• Improve workflows and reduce recurring quality issues
   

You will play a key role in maintaining the integrity of our data systems.
 

Qualifications

• Experience in QA, software testing, or data validation
• Experience working with scraping systems or data-heavy environments (preferred)
• Strong analytical and structured mindset
• Comfortable working with large datasets
• Fluent in English (written and spoken)
• Strong communication skills in a remote environment
   

Preferred qualifications:

• Basic understanding of Python
• Experience with automation testing
• Experience working in SaaS or technology companies
   

We are looking for someone proactive, detail-oriented, and capable of independently identifying risks and improvement opportunities.

Work Setup

• Fully remote position
• Contract / Freelance
• Time zone overlap with Europe required
   

What We Offer

• Work on a mission-critical SaaS platform with international reach
• Direct collaboration with technical leadership
• Real ownership over quality standards and processes
• Flat structure and fast decision-making
• Competitive compensation based on experience
   

Application

To apply, please send:

• CV 
• A brief description of QA systems or environments you have worked with
• Examples of how you have improved quality, reduced errors, or implemented QA processes

We are seeking an experienced Spider / Scraper Team Lead to take full ownership of the scraping ecosystem behind our international SaaS platform.
 

This is a fully remote leadership role with significant responsibility. You will define technical structure, set direction, and ensure that our scraping infrastructure is stable, scalable, and performance-driven. The role combines hands-on technical expertise with team leadership and operational accountability.
 

Responsibilities

• Lead and manage the spider/scraper team, including coordination with QA
• Define and prioritize the technical roadmap
• Ensure system stability, scalability, and performance across markets
• Monitor KPIs and proactively identify and resolve bottlenecks
• Improve architecture, infrastructure, and development processes
• Mentor developers and elevate technical standards within the team
• Take full accountability for scraping operations and output quality
  
   

This role goes beyond writing spiders. You will lead both the technical systems and the people responsible for them.
 

Qualifications

• Strong Python skills and advanced web scraping expertise
• Experience working with large-scale scraping infrastructure
• Deep understanding of proxies, anti-bot strategies, scaling, monitoring, and performance optimization
• Proven leadership experience managing developers or technical teams
• Experience structuring workflows and improving operational performance
• Fluent English (written and spoken)
• Strong remote communication and documentation skills
  
   

We are looking for someone with demonstrated experience leading and scaling technical teams - not a solo contributor without leadership background.
 

Work Setup

• 100% remote
• International team environment
• Open to contract/freelance arrangements
• Required time zone overlap with Europe
   

What We Offer

• Ownership of a critical SaaS infrastructure
• Direct impact on product performance and revenue
• Autonomy and decision-making authority
• Fast execution and flat organizational structure
• Opportunity to expand into broader technical leadership
• Competitive compensation based on experience
   

Application

To apply, please send:

• CV
• A brief description of scraping teams you have led
• Examples of infrastructure you have built, scaled, or improved

Drive finance ERP solutions for complex, high-load digital products

Softsich is a young and ambitious international product tech company that develops scalable B2B digital platforms. We’re looking for an experienced Business Analyst (ERP Finance) to support and develop finance-related ERP workflows within complex, high-volume transactional environments.

In this role, you will work closely with finance, operations, payments, and product teams, translating business needs into clear functional requirements and supporting the development of effective ERP solutions.

Your key responsibilities will include:

• Gather, document, and validate business requirements from stakeholders across finance, operations, payments, and product teams.
• Be responsible for end-to-end financial workflows for high-load transactional products, including operations and finance analytics and reporting.
• Define functional specifications for the Finance ERP system.
• Collaborate with developers, architects, and system integrators to shape requirements, data models, and diagrams.
• Lead stakeholder sessions to map business processes and identify system needs.
• Document system behavior, workflows, data dictionaries, and training materials for ERP end users.
• Stay informed of regulatory, tax, and operational changes that impact financial systems.
  
   

It’s a match if you have:

• Bachelor’s degree in Finance, Accounting, Information Systems, or a related field.
• 3+ years of experience as a Business Analyst with a focus on ERP or finance systems.
• Experience working with high-volume transactional systems.
• Strong understanding of financial controls, reconciliation processes, and compliance.
• Experience designing or working with ERP systems (custom or commercial).
• Familiarity with Agile/Scrum environments and software product life cycles.
• Upper-Intermediate level of English (written and spoken).
  
   

What we offer:

• Flexible schedule and remote format or offices in Warsaw/Kyiv — you choose.
• 24 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).
• A supportive, friendly team where knowledge-sharing is part of the culture.
• Coverage for professional events and learning.
• Birthday greetings, team buildings, and warm human connection beyond work.
• Zero joules of energy to the aggressor state, its affiliated businesses, or partners.
  
   

Send over your CV now — we’d love to get to know you better!

Softsich is a young and ambitious international product tech company that develops scalable B2B digital platforms. We are looking for a Backend Java Tech Lead who will take technical ownership of the backend team working with a microservices, high-load architecture.

This role is about leadership, architecture, and responsibility for the technical direction of the platform.

Your key responsibilities will include:

• Lead the backend team technically, ensuring architectural vision and technical standards.
• Design, implement, and maintain high-load, scalable backend services using Java and Spring Boot.
• Drive technical decisions and take full ownership of architectural solutions.
• Ensure high code quality via best practices, reviews, and automation.
• Optimize system performance and reliability across microservices.
• Work with event-driven architectures and distributed systems.
• Mentor developers, support skill development, and foster collaboration.
• Collaborate with cross-functional teams to deliver reliable and scalable solutions.

It’s a match if you have:

• 5+ years of commercial experience with Java (17+/21) and Spring Boot.
• Strong knowledge of the Spring ecosystem: Web, Security, Data, Scheduler, WebFlux.
• Hands-on experience with microservices and high-load architectures, event-driven systems.
• Practical knowledge of CI/CD, containerization (Docker), and deployment to Kubernetes (EKS).
• Solid experience with Apache Kafka (producers/consumers, distributed topics, retry and error handling).
• Experience working with databases: PostgreSQL, MongoDB / AWS DocumentDB, SingleStore.
• Experience in designing and optimizing REST APIs.
• Experience with monitoring and logging tools: Grafana, Prometheus, Micrometer, ELK.
• Experience in technical leadership or mentoring engineering teams.
• Ability to make and own architectural and technical decisions.
• Strong communication skills, teamwork mindset, and analytical thinking.
• English level — Upper-Intermediate.

What we offer:

– Flexible schedule and remote format or offices in Warsaw.

– 24 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).

– A supportive, friendly team where knowledge-sharing is part of the culture.

– Coverage for professional events and learning.

– Birthday greetings, team buildings, and warm human connection beyond work.

– Zero joules of energy to the aggressor state, its affiliated businesses, or partners.

Send over your CV now — we’d love to get to know you better!

Welcome to ApexTech 🙌 

We are looking for 🚀 Fullstack Developer 🚀 who enjoys learning, building, and switching between projects. 

Responsibilities: 

● Advanced Backend and Frontend developments (JavaScript / NextJS / ReactJS) 

● Mentor / Coach other team members 

● Code reviews and refactoring 

● Advanced problem analysis and solving in production 

● Bug fixing, follow-up and workaround, identification of pain points in the platform 

● Responsible for the efficiency of all the components in the infrastructure 

● Write technical specifications when needed 

● Automate and Optimize repetitive tasks 

Required skills: 

● 5+ years of experience in JavaScript fullstack development (NodeJS / NextJS / ReactJS) 

● Proficient in building SSR/SSG/ISR web applications. 

● Proficient in building and consuming APIs - Rest / GraphQL 

● Strong knowledge of accessibility (a11y) 

● Strong understanding of SEO best practises, semantic HTML and metadata 

● Familiar with Cloudflare for CDN, caching, security and performance optimizations. 

● Familiar with Cloud DevOps (AWS preferred) 

● Eye for detail and sensitivity for graphics and aesthetics 

● Adaptability and responsiveness 

● Great analytical skills 

● Fluent in English 

● Team-player 

Nice-to-have: 

● Experience with Python Backend Development (Django / FastAPI) 

● Experience with a Headless CMS (like Sanity / Contentful, or Strapi) 

● Experience using Tailwind CSS or CSS-in-JS solutions. 

● Experience using UI libraries (like RadixUI / HeadlessUI / MaterialUI) 

● Exposure to internationalization (i18n) in NextJS 

Interview process: 

1. Intro-call with the Recruiter. 

2. Technical Interview. 

3. Client Interview. 

What do we offer?

 💻 Full remote work and meetings for brainstorming. 

💡Freedom and flexibility. 

🚀A team of top experts and synergy of the entire organization. 

💸Competitive salary. 

🌿 Vacation and sick leaves. 

🙏Therapy sessions with our psychologist. 

📚Budget for professional development. 

💃Corporate events and team building.

What Do We Do?

Madgicx is transforming how eCommerce brands scale their digital advertising through AI-powered automation and intelligent optimization. Our platform empowers thousands of brands to make smarter marketing decisions, automate complex workflows, and achieve unprecedented ROAS. We’re building the future of autonomous advertising, where AI and human creativity combine to unlock exponential growth.

Why Madgicx Needs You

As a Backend Engineer at Madgicx, you are responsible for building and maintaining the core APIs and services that power our AI-driven advertising platform. You will design resilient, high-performance backend systems that handle millions of advertising operations daily, integrate with multiple advertising platforms, and serve as the foundation for our AI agent ecosystem.

This is a hands-on engineering role where you’ll ship production code daily, collaborate closely with AI/ML teams, and directly impact thousands of brands’ advertising performance.

What You’ll Own

1. Core API Development

• Build and maintain RESTful APIs serving web, mobile, and AI agent clients
• Design database schemas and optimize query performance for high-traffic endpoints
• Implement authentication, authorization, and rate limiting for secure API access
• Write comprehensive tests (unit, integration, E2E) ensuring code quality and reliability

2. Service Integration & Data Pipelines

• Integrate with advertising platform APIs (Meta Marketing API, Google Ads API, TikTok Ads)
• Build data ingestion pipelines processing campaign metrics, creative performance, and audience insights
• Handle webhook processing, event streaming, and asynchronous job processing
• Implement retry logic, circuit breakers, and graceful degradation for external service failures

3. AI-Ready Infrastructure

• Build backend services that support AI agent workflows and LLM integrations
• Design APIs that enable AI agents to query data, execute actions, and receive feedback
• Implement observability hooks (tracing, logging, metrics) for AI system monitoring
• Collaborate with Data Science teams to productionize ML models and predictions

4. Performance & Scalability

• Optimize API response times (P95 <500ms) and database query performance
• Implement caching strategies (Redis, CDN) for high-traffic endpoints
• Design for horizontal scalability using containerization and orchestration
• Monitor system health, troubleshoot production issues, and participate in on-call rotation

5. Code Quality & Collaboration

• Write clean, well-documented, and maintainable Python code following team standards
• Conduct thorough code reviews providing constructive feedback to peers
• Participate in pair programming sessions and knowledge-sharing activities
• Contribute to technical documentation, runbooks, and architectural decision records

What You’ll Bring

Required

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
• 5+ years of production backend development with demonstrable impact on system reliability and performance
• Python expertise: Strong proficiency in Python web frameworks (FastAPI, Flask, Django) and async programming
• API design: Experience building RESTful APIs with proper versioning, error handling, and documentation (OpenAPI/Swagger)
• Database proficiency: SQL expertise (PostgreSQL, MySQL) including schema design, indexing, and query optimization
• Cloud infrastructure: Hands-on experience with Google Cloud Platform (preferred) or AWS/Azure
• GenAI & Agentic Framework familiarity: Practical experience using GenAI tools (GitHub Copilot, ChatGPT, Claude) for development, understanding of LLM capabilities/limitations, worked on setting up agentic toolings such as RAG, Guardrails, Feedback loops, planning, MCP’s and orchestration tools etc...
• Containerization: Production experience with Docker and Kubernetes for service deployment

Non-Negotiable Technical Skills

Backend Core
Python Web Frameworks (FastAPI, Flask, or Django with async capabilities), SQL Database Design (PostgreSQL schema design, indexing strategies, query optimization), and API Architecture (RESTful design, authentication/authorization, rate limiting, error handling)

Cloud & Infrastructure
Google Cloud Platform (Compute Engine, Cloud Run, Cloud SQL, Pub/Sub, Secret Manager, IAM), Container Orchestration (Docker containerization, Kubernetes deployments, service configuration), and Infrastructure as Code (Terraform or equivalent for reproducible deployments)

Integration & Data
Third-Party API Integration (OAuth flows, webhook processing, rate limit handling, retry logic), Message Queuing (Pub/Sub, RabbitMQ, or Kafka for async processing), and Caching Strategies (Redis for session management, query results, and rate limiting)

GenAI & Observability
GenAI Tool Proficiency (Active use of GitHub Copilot, ChatGPT, or Claude for code generation, debugging, and documentation), LLM Integration Basics (Understanding of API usage, token management, prompt engineering, etc... ), and Observability (Structured logging, distributed tracing, metrics collection, and alerting)

Our Operating Principles

• Ship Code, Not Slides: We measure success by features in production, not meeting decks
• Engineering Excellence: Clean code, tested systems, thorough documentation, and scalable architectures
• Speed to Production: From feature branch to deployment in days, not weeks

• Data-Driven Decisions: We trust metrics, experiments, and user feedback over opinions

   

Continuous Learning: Every production incident and performance issue teaches us something new

What Success Looks Like (First 12 Months)

• Shipping velocity: Consistently deliver features from design to production within sprint cycles
• System reliability: Maintain <0.1% API error rate and P95 response times under target SLAs
• Code quality: Your PRs require minimal revisions and serve as examples for junior engineers
• AI readiness: Backend services seamlessly support AI agent integrations and ML model deployments
• Team impact: Improve developer productivity through better tooling, documentation, or architectural patterns

What’s In It For You

• Impact: Your APIs power advertising decisions affecting billions in ad spend across thousands of brands
• Technical Growth: Work with cutting-edge AI/ML systems, high-traffic APIs, and modern cloud infrastructure
• Ownership: Full responsibility for services from design through production operation
• Learning Budget: Conferences, courses, certifications, and dedicated learning time
• Compensation: Competitive salary, equity, performance bonuses, and comprehensive benefits
• Flexibility: Remote-first culture with flexible hours and work-life balance

Ready to Build the Future of Advertising AI? If you’re excited by the challenge of building ML systems that generate millions in revenue, we want to talk. Send us your GitHub, examples of production platforms you’ve built, and evidence of business impact you’ve driven. Show us why you’re the engineer who will help us revolutionize advertising through AI.

We’re looking for a Python Developer to join our team and work on an exciting, impactful project where your code will be used by real customers every day. If you enjoy solving challenging tasks, working with a modern tech stack, and seeing your solutions make a difference — you’ll feel right at home.

Mission of the role -  to design, build, and maintain reliable, high-performance back-end systems that power innovative features for our customers — ensuring speed, scalability, and stability at every step.

Here, you won’t just “close tickets” — you’ll collaborate closely with the team, experiment with new tech, and have a direct say in product decisions.

What you’ll do

• Develop and maintain projects using Python.
• Collaborate with the team to design and implement new features.
• Stay up-to-date with emerging technologies and industry trends.

• Communicate directly with customers when needed.

   

What we’re looking for

• Strong experience with PostgreSQL, Celery, Redis / RabbitMQ.
• Knowledge of FastAPI, WebSockets, SQLAlchemy + Alembic.
• Basic understanding of GIT and GitHub Actions.
• Experience with AWS (EC2, Elastic Beanstalk) will be a plus. 
• Basic understanding of Docker & Docker Compose.

• English level B1+.

   

What we offer

• Competitive salary & benefits.
• Modern office in Kyiv — bright workspace, great coffee, and a collaborative vibe.
• Opportunity to work on a high-impact, exciting project.
• Friendly, innovative, and supportive team environment.
• Professional growth and development opportunities.

• Flexible working hours & remote work option.

   

📩 Send us your CV — let’s build something great together!

Are you passionate and curious about server architecture?

Bizzabo is looking for a Senior Backend Engineer in Ukraine to join our fantastic engineering team.

Our server architecture is based on Java 8 and Python microservices. We are using the Spring Boot framework for our Java services with ElasticSearch, Redis, Temporal, and many other buzzwords as part of our ecosystem :) 

We are advocates for cutting-edge technology. We are looking for someone to join our team that is in charge of a product that connects Software and Hardware and real-time communication with an extremely interesting and lucrative product offering. 

WHAT YOU’LL BE DOING

• Be dedicated to product quality and have excellent analytical and problem-solving skills
• Continuously design, develop, and deploy backend services
• Focus on high availability, low latency, and scalability
• Contribute your analytical abilities
• Enthusiastically research new methods for doing things
• Provide solutions to challenging problems

WHAT YOU HAVE

• 5+ years of development experience using Python
• Working with databases 
• Built a microservices architecture for large-scale applications
• Have a deep understanding of security risks
• Working with AWS infrastructure: EC2, S3, RDS, SQS, etc.
• Computer science degree from a leading institute

 WHAT WOULD BE A BONUS

• Familiarity with Kotlin
• Experience with Kubernetes
• Experience with TDD or a testing culture

YOUR JOURNEY

✅ Prescreen with recruiter → ✅ Complete assignment → ✅ Technical interview → ✅ Interview with manager → ✅ Reference check → ✅ Job offer

Job Description

Primary Backend Skills:

• Framework: Deep expertise in the .NET 8 Framework, specifically for building Web APIs.
• API Development: Solid experience creating and managing endpoints using GraphQL for .NET.
• Data Access: Proficiency with Entity Framework for ORM.
• Testing: Skills in writing unit tests for backend services using XUnit.
• API Documentation: Experience using Swashbuckle to generate and maintain Swagger documentation.

Cloud & DevOps Experience:

• Platform: In-depth knowledge of the Azure platform is required.
• Containerization: Experience with Docker for creating and managing containerized applications. 
• Hands-on experience deploying microservices to Azure Container Apps.
• Understanding of hosting frontend applications on Azure Static Web App.
• Experience managing and interacting with Azure SQL Database.
• Experience with NoSQL databases, specifically Cosmos DB.
• Core Azure Services: Managing customer identity with Azure AD B2C, Using Application Insights for service monitoring, Experience with Azure API Management.

Preferred, Not Required Skills

• Familiarity with our modern frontend stack is a strong plus. This includes: Core Technologies: React, Typescript, and Material UI. State Management & Data: Redux toolkit and Apollo Client for GraphQL.
• Tooling: Experience with Vite as a build tool, Vitest for testing, and Zod for schema validation.
• Navigation: Understanding of React Router.
• Version Control: Proficiency with Git and GitHub.
• Collaboration: Experience working with Jira and Confluence.
• API Testing: Hands-on experience with Postman, particularly within a team workspace.
• Development Environment: Experience with development tools like Eslint, Prettify (Prettier), and Husky is beneficial. While the choice of IDE is flexible, experience with
• Visual Studio Code is preferred.

Job Responsibilities

Working in Scrum team and perform function of senior software developer doing software modules architecture, design, development, unit and integration testing and deployment.

Department/Project Description

Developting a cloud-based platform designed for managing latest generation of IoT devices.

The core part of the system provides a centralized location for remotely monitoring, upgrading, and configuring devices. It also offers an application marketplace, allowing users to deploy and customize applications for their devices.

At the moment it is extensively extending with services that deal with telemetry provided by the connected devices and services. These services are designed in two forms. First is the predefined set of data connectors and visualisation widgets, and the second is a framework that let customers to design own connectors and widgets.

Skill Category

.NET

Keyskills - Must Have

• .NET
• Azure
• GraphQL
• Entity Framework
• xUnit
• MS SQL Server

Minimum of a Bachelor’s in Computer Science or related degree.

3+ years of development experience.

Client-server application development experience implementing end-user workflows.

Strong working knowledge of Java, JSON, RESTful Web APIs, JDBC, JavaScript, HTML, CSS, Tomcat, Apache HTTP Server, and the Linux environment.

Working knowledge of React. Relay and GraphQL are a plus.

Working knowledge of Java open-source frameworks (e.g., Play, Spring, Hibernate).

Experience with relational database principles.

Experience developing and debugging software in a multi-threaded environment

Strong proven design skills with the ability to work well in a dynamic, fast-paced environment with high expectations.

Solid experience with the full software development life cycle and a proven track record in successfully bringing products to market.

Excellent written and verbal communication skills, and the ability to interact well with both internal teams and external customers and partners.

Experience working in an agile scrum environment.

Knowledge of AWS, VMWare, or Citrix system is plus.

Job Responsibilities

Responsible for design and delivery of technical components on the server side of our client server application services.

Develop full-stack application functionality within a dynamic agile scrum environment.

Create high quality code testable through automation.

Create unit and functional automated tests.

Participate in troubleshooting and resolution of customer issues.

Department/Project Description

The qualified candidate will work as a member of the software development team focused on security, multifactor authentication, and server components for client’s Enterprise Access Management product.  This team is responsible for the architecture, design, and development of features for one of our essential product lines.  We are looking for someone who enjoys the challenge of tough technical problems and who wants to work on products helping over 1 million users every day in saving time, reducing frustration and providing a better user experience. We need someone with a passion for building world-class applications and desire to make an impact on our organization and on solving real-world problems.

Skill Category

Java

Keyskills - Must Have

• Java
• react
• Spring
• AWS