Jobs at Djinni

We're looking for a skilled C Developer to join our team working on network switches, routers, and embedded systems. You'll be tackling high-level technical challenges in low-level programming, contributing to products used by industry leaders worldwide.

Core Responsibilities:

• Design and develop software for network switches and embedded systems
• Contribute to router software development projects
• Write efficient, maintainable C code for resource-constrained environments
• Collaborate with hardware teams to optimize system performance
• Debug and troubleshoot complex system-level issues

What We're Looking For:

• Strong C programming skills - You write clean, efficient code and understand memory management
• Linux proficiency - Comfortable with Makefiles, shell scripting, and Linux development environments
• Knowledge of L2/L3 network protocols (ARP, STP, IGMP, VLAN, routing protocols)
• 3+ years of professional software development experience. 
• English: Upper-Intermediate (B2+) - You can communicate technical concepts clearly

Compensation & Benefits:

• Competitive salary aligned with market rates
• Medical insurance coverage
• Paid vacation and holidays
• Comprehensive compensation package with additional benefits

Work Location

Full Remote - Work from Europe or Ukraine

We're a distributed team that values results over location. As long as you have a reliable internet connection and overlap with team hours for collaboration, you can work where you're most productive.

About Us:

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Senior Backend Develope to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.

Key Responsibilities:

• Architect and develop robust backend applications using Node.js and NestJS in a monorepo and microservices environment.
• Embrace and operate within a T-shaped approach, being ready to extend expertise beyond backend tasks to ensure end-to-end delivery of features.
• Design, implement, and manage highly scalable database solutions using PostgreSQL (AWS RDS) and caching strategies with Redis.
• Develop and maintain integrations with various AWS services including SQS, S3, Lambda, IAM, System Manager, EC2, and EKS/ECS for cloud-native applications.
• Manage and optimize containerization and deployment processes with Docker, including building and pushing to registries, and implementing CI/CD pipelines using GitLab runners.
• Implement monitoring and observability using Prometheus and Grafana to ensure system reliability and performance.
• Collaborate with stakeholders to gather business requirements and translate them into technical solutions, driving discussions at the architecture and implementation levels.
• Lead troubleshooting and debugging efforts to resolve complex backend issues and optimize system performance.
• Stay current with the latest technologies and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.
• Participate in the agile development process, contributing to scram events, fostering a collaborative and cross-functional team environment.
• Development and maintenance of a high-level engineering culture within the team.

Qualifications:

• Minimum of 5 years of experience in backend development with strong proficiency in Node.js, NestJS, and related technologies.
• Knowledge or experience in Frontend development (specifically Next.js) is a significant plus.
• Knowledge or experience with automated tests (integration, E2E) is a significant plus.
• Willingness and mindset to work in a T-shaped model, contributing to various stages of the development lifecycle.
• Expertise in building and managing microservices architectures and a monorepo setup.
• Extensive experience with PostgreSQL (AWS RDS), Redis, and other backend data storage and caching technologies.
• Strong proficiency in AWS cloud services including but not limited to SQS, S3, Lambda, IAM, EC2, and EKS/ECS.
• Solid understanding of Docker, CI/CD pipelines, and experience with GitLab runners.
• Experience with monitoring tools such as Prometheus and Grafana.
• Proven ability to document backend architectures, designs, and processes clearly and comprehensively.
• Excellent problem-solving skills and attention to detail, with a passion for creating high-quality, performant code.
• Ability to work effectively both independently and as part of a team in an agile environment.
• Strong communication skills with the ability to interact professionally with stakeholders at all levels.
• English at Upper-Intermediate level and above.

What We Offer:

• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.  

Responsibilities: 

- Autonomously architect, prototype, & build the product from the ground up.

- Develop integrations with AI (e.g. Perplexity, OpenAI) & 3rd party API (e.g. CRMs).

- Leverage your prompt engineering skills to maximize the outcome.

- Horizontally work with founders in discussions on business & product topics.

Requirements: 

- 1+ years of experience in a SaaS/startup previously. 

- Senior-level engineer with 5+ years of software development experience. 
- Experience in RAG & AI agents development and prompt engineering.
- API development and integration experience.
- Database design and optimization (SQL).
- Development in cloud infrastructure (AWS/GCP/Azure).
- Patterns for asynchronous task processing (RabbitMQ, SQS, or similar).
- Experience with n8n/make will be a great plus.

- Authentic obsession with giving customers the best.
- Excellent verbal communication skills.

- Excellent English, strong B2 level minimum.

Job details:

• Full-time.
• Fully remote.
• Long-term.
• B2B contract.
• Start date — ideally ASAP / by mid-April.
• Also, you will get founding member equity % in addition to your fixed salary.

What else will you get:

- Learning how a startup grows.

- Direct impact on product and company strategy.

- Deliver value directly to paying B2B clients.

- Opportunity to build and lead a team and department.

- You will work with the most modern toolset (including Cursor in Agent mode).

The hiring process: 

• 45 min pre-screen interview with a recruitment manager
• 15-30 min call with the client
• a technical deep-dive interview, most likely with online coding (conducted by client)
• online call with the team or key team members

For a new marketplace product, we are looking for a Senior Full-Stack PHP (Symfony)/Tailwind CSS Developer who will help us implement product features and scale a SaaS platform.

Team: CTO, Product Manager, Project Manager, Full-Stack Developers and Designer

What skills can you help us with?

• 5+ years of experience in PHP development.
• 3+ years of experience with the Symfony framework in production.
• Solid experience as a full-stack developer: confident with both backend and frontend.
• Experience building and shipping complex web applications end-to-end.
• Good understanding of testing practices (unit, integration, e2e, regression) and modern development workflows.
• Comfortable working in a remote product team with a lot of ownership and autonomy.

• English Upper-Intermediate (B2) and above — you’ll communicate directly with the client.

   

Tech stack

Backend:

• PHP
• Kubernetes
• OpenSearch
• RabbitMQ (message queue)
• Automated unit, integration, e2e and regression tests
• OTEL with Posthog

• Industry-standard linting and testing tools

   

Frontend:

• Symfony Live Components / Symfony UX (Stimulus)
• Stimulus framework
• Tailwind CSS, DaisyUI
• Modern CSS tooling
• Figma (implementing designs, not just exporting)

Advantages of working with us:

• 18 working days of vacation, paid sick leave
• Full financial and legal support for private entrepreneurs
• Flexible work schedule
• Paid training programs/courses
• Team buildings and corporate activities

Hiring process

• HR interview (45 min)
• Technical interview (1 hour)
• Interview with the client (1 hour)

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Backend Develope to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.
 

Key Responsibilities:

• Develop and maintain robust backend applications using Node.js and NestJS in a monorepo and microservices environment.
• Embrace and operate within a T-shaped approach, being ready to extend expertise beyond backend tasks to ensure end-to-end delivery of features.
• Work with PostgreSQL (AWS RDS) and Redis to design, implement, and optimize database and caching solutions.
• Develop and maintain integrations with various AWS services including SQS, S3, Lambda, IAM, System Manager, EC2, and EKS/ECS for cloud-native applications.
• Contribute to containerization and deployment processes using Docker, including building images and pushing to registries, implementing and maintaining CI/CD pipelines using GitLab runners.
• Implement and configure monitoring and observability using Prometheus and Grafana to ensure system health and performance.
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Troubleshoot and debug backend issues, optimizing code to enhance performance and maintainability.
• Participate in the agile development process, contributing to scram events, fostering a collaborative and cross-functional team environment.
• Stay current with the latest technologies and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.

Qualifications:

• Minimum of 2 years of experience in backend development with a focus on Node.js, NestJS, and related technologies.
• Knowledge or experience in Frontend development (specifically Next.js) is a significant plus.
• Knowledge or experience with automated tests (integration, E2E) is a significant plus.
• Willingness and mindset to work in a T-shaped model, contributing to various stages of the development lifecycle.
• Familiarity with microservices architectures and monorepo environments.
• Experience with PostgreSQL (AWS RDS), Redis, and backend data management.
• Knowledge of AWS services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS.
• Understanding of Docker and CI/CD pipelines, with some experience using GitLab runners.
• Familiarity with monitoring tools such as Prometheus and Grafana.
• Ability to document backend designs and processes clearly.
• Strong problem-solving skills and attention to detail, with a drive to create high-quality, performant code.
• Ability to work both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.
• English at Upper-Intermediate level and above.

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Frontend Developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.
 

Key Responsibilities:

• Develop and maintain complex frontend applications using React and Next.js.
• Embrace and operate within a T-shaped approach, being ready to extend expertise beyond frontend tasks to ensure end-to-end delivery of features
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Utilize state management tools like Zustand or similar, and efficiently integrate with backend services using TanStack (React Query) or other data-fetching libraries.
• Maintain CI/CD pipelines using GitLab runners and manage deployment processes with Docker (build and push to registry).
• Ensure UI/UX consistency by utilizing component libraries such as PrimeReact or similar, building reusable components.
• Troubleshoot, debug, and optimize frontend code to enhance performance and maintainability.
• Contribute to the agile development process by participating in scrum events, and driving towards a cross-functional, collaborative work environment.
• Stay up-to-date with the latest frontend technologies and best practices, fostering a mindset of continuous learning and development. Maintain a high-level engineering culture within the team.
   

Qualifications:

• Minimum of 3 years of experience in frontend development with a focus on React, Next.js, and related technologies.
• Knowledge or experience in Backend development (specifically Nest.js) is a significant plus.
• Knowledge or experience with automated tests (integration, E2E) is a significant plus.
• Willingness and mindset to work in a T-shaped model, contributing to various stages of the development lifecycle
• Familiarity with state management libraries (e.g., Zustand) and data-fetching solutions like TanStack (React Query).
• Understanding of frontend build tools, CI/CD pipelines, and containerization with Docker.
• Experience with component libraries such as PrimeReact or similar, and a working knowledge of React hooks.
• Ability to document frontend designs and processes clearly.
• Strong problem-solving skills and attention to detail, with a drive to create high-quality, performant code.
• Ability to work both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.
• English at Upper-Intermediate level and above.
   

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Fullstack Developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.

Key Responsibilities:

• Develop and maintain solutions using Node.js, NestJS, React, and Next.js.
• Build and manage microservices and monorepo environment architectures on the backend.
• Design, implement, and optimize database solutions using PostgreSQL (AWS RDS) and caching with Redis.
• Work with various AWS services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS to build scalable and efficient cloud-based solutions.
• Contribute to containerization and deployment processes using Docker, including building images and pushing to registries, implementing and maintaining CI/CD pipelines using GitLab runners.
• Utilize state management tools like Zustand or similar, and integrate frontend applications with backend services using TanStack (React Query) or other data-fetching libraries.
• Ensure UI/UX consistency by leveraging component libraries such as PrimeReact or similar and building reusable components.
• Implement monitoring and observability for applications using Prometheus and Grafana to ensure system reliability and performance.
• Participate in the agile development process, contributing to scram events, fostering a collaborative and cross-functional team environment.

• Stay current with the latest technologies and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.

   

Qualifications:

• Minimum of 3 years of experience in backend and frontend development with a strong focus on Node.js, NestJS, React, Next.js, and related technologies.
• Experience with microservices architectures and monorepo environments will be a plus.
• Proficiency in PostgreSQL (AWS RDS), Redis, and backend data management.
• Familiarity with AWS cloud services including SQS, S3, Lambda, IAM, EC2, and EKS/ECS.
• Understanding of Docker, CI/CD pipelines, and experience with GitLab runners.
• Experience with frontend state management libraries (e.g., Zustand) and data-fetching tools like TanStack (React Query).
• Familiarity with component libraries such as PrimeReact or similar, and a working knowledge of React hooks.
• Ability to document architectures, designs, and processes clearly.
• Excellent problem-solving skills and attention to detail, with a passion for creating high-quality, performant code.
• Ability to work effectively both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.

• English at Upper-Intermediate level and above.

   

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

Join us in delivering excellence through agility and innovation!

We are looking for a Senior Azure DevOps Platform Architect to design and build an enterprise-grade DevOps platform used across multiple teams.

This role focuses on creating a scalable, secure, and standardized CI/CD ecosystem, rather than supporting a single team or project.

Responsibilities

• Design and implement Azure DevOps platform architecture
• Build and standardize YAML-based CI/CD pipelines
• Manage repositories, artifacts, access control (RBAC), and governance
• Define and enforce platform-wide DevOps standards

• Integrate security into CI/CD, including: SAST, SCA, DAST, secret scanning

   

Requirements

• Strong hands-on experience with Azure DevOps (pipelines, repos, artifacts, RBAC, governance)
• Experience building enterprise-level DevOps platforms (not team-level setups)
• Practical experience with DevSecOps and security integration in CI/CD
• English level: B2+

Role Scope

This is a hands-on architecture role combining platform design and implementation.
You will define standards, build core infrastructure, and drive DevOps practices across the organization.

We are looking for a DevOps Engineer (Middle+ / Senior) to join a product company with a complex infrastructure environment and a growing focus on using AI to improve DevOps workflows and delivery speed.

This role is hands-on and involves working with on-premise infrastructure, containerization, and CI/CD, while also exploring and applying modern AI tools to automate and accelerate infrastructure-related tasks.

Responsibilities
Design, build, and maintain on-premise infrastructure
Work with containerized environments (Docker, Kubernetes, LXC)
Support and operate multi-layer infrastructure (bare metal, virtualization, containers)
Adapt infrastructure setups for different client environments and requirements
Develop and maintain Infrastructure as Code
Improve and support CI/CD pipelines (GitLab)
Participate in infrastructure migrations and zero-downtime deployments
Configure and maintain monitoring, logging, and alerting systems
Troubleshoot issues across infrastructure, networking, and application layers
Collaborate with development teams to improve delivery processes
Leverage AI tools (LLMs, code generation, automation tools) to:
speed up infrastructure development
simplify integration with new services and APIs
improve automation and internal tooling
Requirements
4–6+ years of experience in DevOps / Infrastructure / SRE roles
Strong hands-on experience with:
Kubernetes
Docker / container runtimes
Linux-based systems (Debian/Ubuntu)
Experience with virtualization (KVM or similar)
Experience working with on-premise or hybrid infrastructure
Hands-on experience with CI/CD pipelines (GitLab or similar)
Experience with Infrastructure as Code (Python or similar)
Understanding of networking and load balancing (L4/L7, Nginx)
Experience with databases (MySQL / replication is a plus)
Strong troubleshooting and problem-solving skills
Ability to work independently and take ownership
English level: B2 or higher
AI-focused expectations
Practical experience using AI tools in daily work (e.g., code generation, automation, working with documentation)
Understanding of how LLMs can be applied in DevOps workflows
Ability to quickly learn and adopt new AI tools and approaches
Interest in improving engineering efficiency using modern technologies

Job Title: Senior Jira Developer & Administrator

Role Summary: We are seeking a dynamic Senior Jira Developer/Administrator to engineer and maintain a complex Atlassian environment for a user base of ~1,000. Unlike a standard administration role, this position focuses heavily on Test Driven Development (TDD), Scripting, and Automation.

You will be responsible for architecting a custom End-to-End (E2E) testing framework within Jira, to manage Requirements, Verification, and Execution workstreams. You will leverage Groovy and Python to build advanced customizations and integrate Jira with downstream systems.

Key Responsibilities

Development & Automation

Advanced Scripting: Use Groovy and ScriptRunner to develop complex workflow functions, behaviours, and listeners that extend native Jira capabilities.

API Integration: Design and develop custom solutions using Python and Jira REST APIs to integrate with external tools (specifically Jenkins and CI/CD pipelines).

Test Framework Architecture: Maintain and enhance a custom testing hierarchy, ensuring seamless data flow across the three key workstreams: Requirements, Verification, and Execution.

Data Automation: Automate the ingestion of testing component results into the Jira hierarchy and extract data for external reporting.
System Administration & Operations

Instance Management: Oversee the daily health, performance, and configuration of the production Jira instance.

Configuration: Manage complex customizations including workflows, screens, fields, permission schemes, and notification schemes.

Plugin Management: Install, configure, test, and manage the lifecycle of Atlassian marketplace apps.

Access Control: Handle user permissions, project access requests, and license management.

Project Delivery & Stakeholder Management

Requirements Gathering: Interact with business and technical stakeholders to finalize requirements, obtain sign-off, and translate business needs into technical Jira implementations.

Agile Delivery: Track project progress, manage escalations, and ensure functionality is delivered within cost and timeline constraints.

Qualifications & Technical Skills

Scripting & Languages: Expert-level proficiency in Groovy (for Jira backend) and Python (for external automation/scripting).
Jira Development: Extensive experience with ScriptRunner for Jira, including developing custom listeners, behaviours, and workflow post-functions.
Jira Administration: 3+ years of experience managing Jira and Confluence (Server/Data Center or Cloud).
Testing Lifecycle: Deep understanding of Software End-to-End (E2E) testing processes and Test Driven Development (TDD).
Hierarchy Tools: Proficiency with Jira Structure (ALM Works) or similar hierarchy management tools.
Integration: Experience integrating Jira with DevOps tools, specifically Jenkins.
Database: Experience working with databases for data extraction and reporting.

Soft Skills

Problem Solving: Ability to simplify complex technical issues into understandable solutions for non-technical stakeholders.
Ownership: Strong history of taking ownership of the instance health and the user experience; ability to prioritize workload autonomously.
Communication: Excellent verbal and written communication skills for documentation and stakeholder presentations.

Preferred (Bonus) Qualifications

Certifications: Atlassian Certified Professional (ACP-100/ACP-600).
Additional Tools: Experience with Jama software or TestRail.
DevOps: Strong DevOps background.

Education
B.S. or higher in Computer Science, Engineering, or a related technical discipline.

Note: This role is a 100% remote role with working hours overlapping with the US Pacific Coast time. 
 

We are a Ukrainian outsourcing company Join.To.IT, founded in 2012, and delivering software solutions across diverse business domains.
We focus on building long-term partnerships with our clients and delivering solutions that create real business impact. Our team consists of experienced professionals who take ownership of their work, value clear communication, and are committed to high standards in everything they do.
At Join.To.IT, we create an environment where engineers can grow, influence technical decisions, and contribute to meaningful projects alongside a strong and supportive team. 

Responsibilities
Develop and implement new features for existing web applications
Maintain and improve current solutions
Identify, troubleshoot, and fix bugs efficiently
Collaborate with the team to deliver stable and scalable functionality
Participate in code reviews and follow development best practices

Requirements 
1–2+ years of commercial experience in web development
Experience with PHP and solid knowledge of Laravel framework
Experience working with AI agents - Claude code | Cursor | windserf | Codex GPT | Antigravity
Familiarity with Docker or basic DevOps practices
Project estimation skills
Understanding of OOP principles and common design patterns
Experience working with relational databases (MySQL, PostgreSQL, etc.)
Experience with Git and version control workflows
Intermediate (B1–B2) English or higher
Team-oriented mindset and willingness to learn

Nice to Have
Basic experience with Python or Node.js
Understanding of REST APIs and web services
Basic frontend knowledge
AWS, Digital Ocean

We Offer
Office-based or hybrid work format (Kyiv, near Vasylkivska metro station with shelter, Starlink and uninterrupted power supply)
Free gym access near the office
Paid vacation and sick leave
Compensation for professional courses and development
Supportive and loyal management

Description

The Digital Health organization is technology team which focused on next generation Digital Health capabilities which deliver on the Medicine mission and vision to deliver Insight Driven Care. This role will operate within the Digital Health Applications & Interoperability subgroup of the broader Digital Health team, focused on patient engagement, care coordination, AI, healthcare analytics & interoperability amongst other advanced technologies which enhance our product portfolio with new services, while improving clinical & patient experiences.

Requirements

MUST HAVE

• Python + AWS +DICOM + CloudFormation

• AWS Platform: Working experience with AWS services – in particular serverless architectures (S3, RDS, Lambda, IAM, API Gateway, etc…) supporting API development in a serverless architecture

• Programming Languages: Python (strong programming skills)

• Data Formats: Experience with JSON, XML and other relevant data formats

• CI/CD Tools: experience setting up and managing CI/CD pipelines using GitLab CI, Jenkins, or similar tools

• Scripting and automation: experience in scripting languages such as Python, PowerShell, etc…

• Monitoring and Logging: Familiarity with monitoring & logging tools like CloudWatch, ELK, Dynatrace, Prometheus, etc…

• Source Code Management: Expertise with git commands and associated VCS (Gitlab, Github, Gitea or similar) 

NICE TO HAVE

• Strongly Preferred: Infrastructure as Code: Experience with Terraform – Proven ability to write and manage Infrastructure as Code (IaC)
• Documentation: Experience with markdown and, in particular, Antora for creating technical documentation
• Experience working with Healthcare Data, including HL7v2, FHIR and DICOM
• FHIR and/or HL7 Certifications
• Building software classified as Software as a Medical Device (SaMD)
• Understanding of EHR technologies such as EPIC, Cerner, etc.
• Experience implementation enterprise grade cyber security & privacy by design into software products
• Experience working in Digital Health software
• Experience developing global applications
• Strong understanding of SDLC – Waterfall & Agile methodologies
• Software estimation
• Experience leading software development teams onshore and offshore

We are a Ukrainian outsourcing company Join.To.IT, founded in 2012, and delivering software solutions across diverse business domains.
We focus on building long-term partnerships with our clients and delivering solutions that create real business impact. Our team consists of experienced professionals who take ownership of their work, value clear communication, and are committed to high standards in everything they do.
At Join.To.IT, we create an environment where engineers can grow, influence technical decisions, and contribute to meaningful projects alongside a strong and supportive team. 

Responsibilities
Develop and maintain web applications using React.js
Participate in team and client calls, discussions, and troubleshooting sessions
Ensure high performance, responsiveness, and quality of applications
Maintain and improve code quality, structure, and scalability
Collaborate with cross-functional teams (backend, QA, design)
Provide occasional support for business or customer-related requests
Take ownership of tasks and contribute to continuous improvement

Requirements
1+ year of commercial experience with React.js, Redux, and TypeScript
Strong knowledge of JavaScript  
Experience working with AI agents - Claude code | Cursor | windserf | Codex GPT | Antigravity
Familiarity with Figma tools
Project estimation skills
Experience working with WebSockets
Proficiency in HTML5, CSS3, and CSS preprocessors (Sass/Less)
Experience with Git and version control workflows
Experience working on complex systems in a team environment
Strong communication skills and collaborative mindset
Upper-Intermediate (B2+) English or higher

Nice to Have 
Familiarity with Docker or basic DevOps practices
AWS, Digital Ocean

We Offer
Office-based or hybrid work format (Kyiv, near Vasylkivska metro station with shelter, Starlink and uninterrupted power supply)
Free gym access near the office
Paid vacation and sick leave
Compensation for professional courses and development
Supportive and loyal management

We are looking for a Senior Data Engineer. This is not a standard ETL role. You will work on a high-load system processing 10,000+ executions per minute, building scalable pipelines where AI and LLM logic are embedded directly into production data flows.

The role combines data engineering, backend thinking, infrastructure ownership, and real production AI integration.

What you will do:

• Design and maintain scalable data pipelines in Python on Google Cloud Platform
• Build and optimize AI-driven scoring flows using LLMs for real-time identity enrichment
• Work with BigQuery, Apache Spark, and Apache Iceberg for heavy data processing
• Maintain high-load orchestration with custom Python nodes and complex workflows
• Own deployment and release processes (CI/CD)
• Optimize PostgreSQL performance under heavy load
• Investigate incidents and resolve root causes permanently

• Use AI engineering tools such as Claude in daily development

   

Requirements:

• 4+ years of experience in Data Engineering / Backend Engineering
• Strong Python skills
• Commercial experience with production LLM integration (OpenAI / Anthropic / Gemini)
• Strong knowledge of GCP (Cloud Functions, IAM, Networking)
• Experience with BigQuery, Spark, Iceberg
• Good understanding of Kubernetes
• Experience with workflow orchestration tools (n8n is a strong plus)
• Strong practical knowledge of PostgreSQL

• English level B2+

   

What is important for us:

• Ownership mindset
• Fast learning ability
• Strong problem-solving approach
• Active AI usage in engineering work
• Focus on practical results over unnecessary complexity

Our marketing team is looking for a teamplayer who can cover and maintain lead generation activities at the project. If you are looking for a company where you’d like to apply your relevant experience and check the potential of your ideas - CodeLions might be the place just right for you.

Requirements:

•  1+ years experience in Lead generation and LinkedIn outreach
• experience with other lead generation channels
•  able to come up with creative solutions 
•  good communication and self-management skills
•  level of English: Upper-Intermediate

Responsibilities:

In cooperation and with help of our marketing team you’ll set up and maintain communication with prospects via LinkedIn and email (on the start) and other relevant sources (in time). Your tasks will be:

• development of thoughtful, and relevant outreach

  -more often: reacts, comments, messages, connection requests, emails

  -less often: publishing ready posts, making reposts

… to attract and nurture leads with goal to schedule introductory call or meeting 

• aligning your approach with current ICP & Persona requirements, while providing feedback for improvement and new hypothesis
• collaborate and communicate with sales, marketing and development departments to share and process important updates in a timely manner
• maintaining accurate and up-to-date records of all required interactions and statuses in the CRM system 
• filling up assigned parts of team and analytic reports 

Would be a big plus: an experience with Sales Navigator, Pipedrive CRM and LinkedHelper (or similar tools)