Jobs at Djinni

We’re looking for a Data Engineer to improve our data infrastructure and integration workflows.

This role is a great fit for someone who can quickly step into an existing environment, bring strong technical expertise, and help us build reliable, scalable solutions with a practical hands-on approach.

What you’ll do:

• Design and build data templates for integration workflows
• Optimize and improve existing data pipelines
• Ensure smooth and reliable integration across SaaS systems
• Work closely with the team to improve performance, stability, and maintainability of data flows

What we’re looking for:

• Commercial experience as a Data Engineer
• Hands-on experience with Azure
• Knowledge of Snowflake
• Python skills for data engineering tasks
• Experience working with SaaS products and integrations
• Understanding of building efficient, scalable, and maintainable data pipelines

Would be a plus:

• Experience with ETL / ELT
• Experience with cloud-based data platforms and modern data stack
• Ability to work independently and move fast in a short-term project setup

About Us
At Demigos, we build robust software solutions for both agile startups and established companies. We are a team that values innovation and autonomy — here, your ideas will be heard, and you’ll have the opportunity to build great things.

About the Project
You will be joining a brand-new project: a complete, ground-up redesign of a real estate booking website for a client. The application will be highly interactive and will rely heavily on seamless integrations with a primary third-party API.

The Role
We are looking for a Middle Full-Stack Developer to help us bring this project to life. Working closely with our Senior Developer, you will be writing clean, efficient code across the entire stack, turning architectural designs into a functional, polished product.

What You’ll Do

• Full-Stack Implementation: Develop user interfaces and backend logic using Next.js.
• API Integration: Connect the application to a primary third-party API, ensuring data is synced reliably and efficiently.
• Database & Infrastructure: Implement database schemas, queries, and authentication flows.
• Collaborative Engineering: Participate in code reviews, brainstorm solutions, and work closely with the team to execute the project’s technical vision.

Requirements

• 2–4 years of experience in full-stack web development.
• Strong proficiency in React and Next.js. You should understand how to use Next.js in a full-stack context.
• Solid practical knowledge of Supabase and Vercel for hosting and CI/CD.
• Experience investigating and integrating third-party APIs.
• A collaborative mindset with a strong desire to learn, grow, and contribute your own ideas to the project.
• Familiarity with using modern AI code generation tools.

N-iX is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software, IoT, and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world.

We are looking for experienced Senior Java Software Engineer to join our team. Our client is one of the world's largest fashion retailers selling in 215 markets through its online platform or its 6,477 stores in 95 markets. By working closely together as a single company globally focused on the key elements of fashion production – design, manufacture, distribution, and retail. All the production is founded on three pillars - flexibility, digital integration, and sustainability.

Responsibilities:

• Participate actively and constantly in the design and development of APIs
• Ensure the availability and resilience of its services that help the development of the company’s business
• Ensure the quality of development and code cleanliness (Clean Code)
• Automatic and manual exploratory execution during the development to verify that the acceptance criteria are covered
• Maintain and evolve automated test cases with QA
• Work in close contact with the Product Owner and support in the technical definition of product backlog items
• Guarantee continuous deployment, write qualitative, maintainable code with extensive test coverage in a fast-paced professional software engineering environment
• Suggest technical and functional improvements to add value to the product

Requirements:

• 5+ years of software development experience
• 4+ years of extensive Java development experience, Maven
• 2-3 years of Spring framework and building Spring web applications
• ES6, React, Redux, Redux-saga TypeScript, CSS, RESTful APIs
• Understanding and experience developing and deploying microservices
• Experience developing REST interfaces, OpenApi
• Excellent design, coding, and debugging skills
• OOP, OOD, DDD. Design Patterns proficient
• Working knowledge of relational databases, NoSQL technologies – Mongo DB
• Working knowledge of Kafka, Kafka streaming (can be optional)
• Experience with different clouds – AWS, Azure
• Working knowledge of OpenShift, Kubernetes
• Familiar with GrayLog, Grafana
• Working experience in an Agile environment, a clear understanding of Agile methodologies mindset, and development practices applicable to them
• Excellent communication, organizational, and facilitation skills, product-oriented mindset, focus on team results, willingness to continuous personal and team improvements, leadership qualities, and resilience

• Upper-Intermediate/Advanced English level (there will be a lot of communication with the client)

   

Nice-to-have:

• Frontend testing and performance optimization
• CSS3/SCSS/HTML5, modern responsive design techniques

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

We're seeking a Software Java Engineer with 5+ years of experience to help build and scale the backend services that power our content discovery, licensing, and delivery platforms across all of our content libraries. You'll join a team that's passionate about clean architecture, performance, and solving complex challenges at scale. If you thrive in a collaborative environment and love building robust APIs, data-driven systems, and data modeling we'd love to hear from you.

What You'll Do:

• Design, implement, and maintain backend services using Java, Spring Boot, and the broader Spring ecosystem.
• Build and evolve RESTful APIs that power content metadata, search, recommendation, and licensing workflows.
• Work with Kafka to build event-driven and real-time processing systems.
• Use SQL and work with relational databases to support structured content metadata.
• Partner with data and analytics teams to model data in data warehouses, supporting reporting and analytics use cases.
• Build and maintain DBT models to transform raw data into clean, usable datasets.
• Leverage the AWS ecosystem for service deployment, data storage, and pipeline orchestration.
• Contribute to technical discussions, system design, and code reviews.

Requirements:

• 5+ years of professional backend development experience.
• Strong proficiency in Java, with experience using Spring Boot and Spring Framework.
• Experience designing and consuming REST APIs.
• Familiarity with Kafka or other message streaming platforms.
• Solid understanding of relational databases and writing optimized SQL.
• Comfortable working with GraphQL.
• Exposure to Python or willingness to learn.
• A collaborative mindset with strong communication skills.
• A passion for clean code, scalable systems, and continuous learning.

Nice-to-Have:

• Practical experience working with data warehouses and DBT for data transformation and modeling.
• Hands-on experience working with the AWS ecosystem (especially Aurora/Dynamo DB).
• Experience working with Node.js and/or Typescript.
• Knowledge of containerization and orchestration (Docker, Kubernetes).
• Experience with Databricks/Snowflake.
• Background in building systems for search, metadata enrichment, or digital asset management.

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

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is... Wait, it’s nothing! The number of projects is growing, and with them, our team too. And now we need a Middle/Senior Power BI Engineer.

About the client:

Founded in the Netherlands over 180 years ago, the customer is a global leader in information services and expert solutions for professionals in the health, tax and accounting, risk and compliance, finance, and legal sectors. As of 2017, the company was recognized by Corporate Knights as one of the 100 most sustainable companies in the world. The company currently operates in over 150 countries.
 

Requirements:

• 4+ years of hands-on experience with Power BI, including creating and optimizing dashboards, reports, and data visualizations that effectively communicate insights to stakeholders;
• Skills in Excel for data manipulation, advanced functions (e.g., pivot tables, VLOOKUP, INDEX-MATCH), and integration with Power BI for seamless data sourcing and transformation;
• Practice using Microsoft Forms to collect data and connect responses to Power BI for real-time feedback and insights from end-users;
• Familiarity with connecting Power BI to Azure data sources (e.g., Azure SQL Database, Azure Data Lake) and managing data flows to pull in data securely and efficiently;
• Competency in integrating Power BI with AWS data sources (e.g., Amazon RDS, Redshift) using direct connections or APIs to provide a unified data view across platforms;
• Proficiency in data modeling, including knowledge of DAX for creating calculated measures, KPIs, and handling complex business logic within Power BI;
• Experience with data extraction, transformation, and loading (ETL) processes, utilizing Power Query and Power BI’s data transformation tools to prepare data for reporting;
• Сommunication skills to work with business units to understand requirements, provide insights, and develop solutions that meet both technical and business needs;
• Knowledge of best practices for data security, privacy, and compliance, especially when working with sensitive data across AWS and Azure environments;
• Ability to design, implement, and manage workflows using Power Automate to automate data processes, alert systems, and report distribution, enhancing productivity and efficiency.
   

Responsibilities:

• Design, develop, deploy, and maintain Power BI report solutions;
• Сreate new Power BI dashboards;
• Сreate dashboards for mobile view;
• Write and execute queries upon request for data;
• Test products for accuracy prior to deployment;
• Continuously improve performance and reliability of reports;
• Recommend additional options for reporting and analytics.

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is… Wait, it’s nothing! The number of projects is growing, and with them, our team too. And now we need a Data Architect.

Must-Have Skills

• Data Architecture (8+ years, 3+ as architect)
• Enterprise data architecture — conceptual, logical, physical modeling
• Lakehouse architecture patterns — medallion architecture, data mesh principles
• Hybrid data architecture — on-prem ↔ cloud data movement, consistency, governance
• Data modeling — dimensional modeling, Data Vault 2.0, or similar for analytical workloads

• Cloudera / Hadoop Ecosystem (Critical)
• Cloudera Data Platform (CDP) — architecture, administration, security
• Apache Hive / Iceberg — table formats, partitioning strategies, compaction
• Apache Spark on Cloudera — performance tuning, resource management
• HDFS / Ozone — storage architecture, replication, tiering
• Apache Ranger / Knox — security, access control, audit
• Query & Analytics Layer
• Starburst / Trino — federated query architecture, connector management, caching strategies
• Tableau — data source architecture, extract vs. live connections, semantic layer design
• SQL optimization for analytical workloads — join strategies, materialized views, caching
• Streaming & Integration
• Apache Kafka — topic design, schema registry (Avro/Protobuf), exactly-once semantics
• CDC (Change Data Capture) patterns — Debezium, Kafka Connect
• ETL/ELT pipeline design — batch and streaming patterns
• Apache Airflow — DAG design for complex data pipelines
• Governance & Quality
• Informatica — data catalog, data quality, metadata management
• Data governance frameworks — data ownership, stewardship, lineage
• ABAC implementation for data access (attribute-based access control)
• Data quality metrics and monitoring
• Business glossary management

• Cloud Data Architecture (AWS)
• S3 — data lake storage patterns, lifecycle policies, storage classes
• AWS Glue — catalog, ETL jobs
• Lake Formation — fine-grained access control
• Hybrid integration — AWS Direct Connect, data replication strategies
   

Nice-to-Have

• Telco data models (CDR, network events, subscriber data, billing)
• Experience migrating from traditional Hadoop to modern lakehouse
• Data Mesh implementation experience
• Cost optimization for large-scale data platforms
• DAMA-DMBOK or equivalent data management certifications
   

Engagement Model

• Full-time staff augmentation (embedded in team)
• Business trips to Baku every 2 month
• Must overlap with Baku working hours (GMT+4)
• English fluency required

• We’re seeking a super-experienced Senior Fullstack Developer with deep expertise in JavaScript/TypeScript, particularly in Node.js, React, and Supabase, combined with practical experience in AI prompt engineering. You’ll architect, build, and optimize scalable applications that seamlessly integrate AI-assisted functionalities and modern cloud backends.

Requirements

Position name: Senior FS Developer (with AI agents experience)
Level: Senior

Hard skills:

• 8+ years of experience building fullstack web applications.
• Advanced proficiency in JavaScript/TypeScript, Node.js, React, and Supabase.
• Practical hands-on experience with AI prompt engineering, leveraging ArgumentCode, Cursor, or equivalent developer-AI tools.
• Experience with Spec-Driven Development approach: BMAD / SpecKit frameworks
• Experience with Figma MCP integrations to pull designs directly from Figma files
• Deep understanding of RESTful and GraphQL APIs, modern web performance, and security.
• Advanced experience with SQL databases, especially PostgreSQL
• Solid understanding of LLM context design, tool integration, and code-generation workflows.
• Experience with Docker, GitHub Actions, and cloud deployments (Vercel, AWS, or similar).

Nice-to-Have:

• Familiarity with Next.js, tRPC, or Edge functions.
• Exposure to RAG systems, vector databases, or LangChain/OpenDevin-style orchestration.

Responsibilities:

• Design and develop full-stack applications using Node.js (backend), React (frontend), and Supabase (database/auth/storage).
• Build scalable APIs and event-driven systems.
• Integrate and optimize AI/LLM workflows (e.g., OpenAI, Anthropic, or local models) through prompt design, argument-code, or Cursor-based pipelines.
• Collaborate closely with product and design teams to turn ideas into high-quality software.
• Write clean, maintainable, and testable code following best practices (CI/CD, unit/integration tests, performance monitoring).
• Review code, mentor team members, and participate in architecture discussions.

English - Upper, the customer is from USA 
Time zone: the client availabile in USA timezone -6 CET

We're looking for a Senior Frontend Developer who thrives in the fast pace of mobile game development. You'll join a small, focused team and have a direct impact on features that millions of players will experience. You'll be responsible for building and shipping new UI systems, multiplayer frontend integration, and the creature breeding interface — all within Unity.

 Key Responsibilities

• Design and develop new frontend features in Unity (C#) including multiplayer lobby, matchmaking UI, and real-time competitive gameplay HUD.
• Build new features interface — including lineage visualization, character selection, and outcome previews.
• Collaborate with backend engineers to integrate various api over RPC/Rest/Socket connection for multiplayer sessions, leaderboards, and player profiles.
• Optimize UI performance for a wide range of Android and iOS devices, ensuring smooth framerates and minimal memory overhead.
• Maintain and improve the existing alpha UI codebase — refactoring as needed for scalability.
• Work with artists and designers to implement pixel-perfect, responsive UI layouts using Unity UI Toolkit or UGUI.
• Implement animations, transitions, and visual feedback loops that enhance the game feel and player engagement.
• Participate in code reviews, sprint planning, and design discussions as a senior team member.
• Help define frontend architecture standards and mentor junior developers as the team grows.

Required Skills & Experience

Must-Have

• 4+ years of frontend or UI development experience, with at least 2 years in Unity.
• Strong proficiency in C# and Unity's UI systems (UGUI and/or UI Toolkit).
• Experience shipping at least one mobile game title on iOS and/or Android.
• Solid understanding of multiplayer game architecture — client-server communication, state synchronization, latency handling.
• Proficiency integrating api over RPC/Rest/Socket connections within Unity projects.
• Experience with Unity's animation systems (Animator, DoTween, or similar) for UI transitions.
• Familiarity with AI related coding framework for supporting front-end development phase

• Ability to work independently, manage your own scope, and communicate progress clearly in a remote environment.

   

Nice-to-Have

• Experience building competitive, RPG-genre, or idle RPG game UIs.
• Familiarity with Nakama, Mirror, or Unity Netcode for GameObjects for multiplayer implementation.
• Experience with procedural or data-driven UI (e.g., dynamic leaderboards, generative creature stat cards).
• Knowledge of mobile-specific optimization — texture atlasing, UI draw call reduction, overdraw profiling.
• Background in RPG progression systems, gacha mechanics, or character UI.

• Experience with Unity Addressables for dynamic asset loading.

   

• What We Offer
• Competitive salary commensurate with senior experience.
• Remote-first work environment with flexible hours.
• Direct collaboration with the founding team — your work ships fast and matters.
• Creative ownership over frontend systems with room to define the architecture.
• A lean, no-bureaucracy team that moves quickly and avoids unnecessary meetings.

• Opportunity to grow into a Lead Frontend role as the team scales post-launch.

   

The CHI Software team is not standing still. We love our job and give it one hundred percent of us! Every new project is a challenge that we face successfully. The only thing that can stop us is… Wait, it’s nothing! The number of projects is growing, and with them, our team too. And now we need a Data Engineer.
 

Project Description:

It is a real-time data processing and analytics solution for a high-traffic web application. 
Tech stack.
AWS: AWS Glue Studio, Redshift, RDS, Airflow, AWS Step Function, Lambda, AWS Kinesis, Athena, Apache Iceberg, AWS Data Brew, S3, OpenSearch, Python, SQL, CI/CD, dbt, Snowflake

 Responsibilities:

• Design a scalable and robust AWS cloud architecture;
• Utilize AWS Kinesis for real-time data streaming and aggregation;
• Implemente AWS Lambda for serverless data processing, reducing operational costs;
• Configured AWS RDS (Relational Database Service) for structured data storage and AWS DynamoDB for NoSQL requirements;
• Ensured data security and compliance with AWS IAM (Identity and Access Management) and encryption services;
• Developed and deployed data pipelines using AWS Glue for ETL processes;
• Wrote Python scripts and SQL queries for data transformation and loading;
• Set up continuous integration and continuous deployment (CI/CD) pipelines using AWS CodePipeline and CodeBuild;
• Monitored system performance and data quality using AWS CloudWatch and custom logging solutions;
• Collaborated with other teams to integrate data sources and optimize data flow;
• Achieve a highly scalable real-time data processing system, resulting in a 40% increase in data analysis efficiency and a significant reduction in operational costs.
• Build ETL pipelines from S3 to AWS OpenSearch by AWS Glue
• Upper-Intermediate or higher English level.

About the Role
 

Company domain - automotive industry.
We are looking for Data Engineers to join a managed service team delivering modern data products.
 

The role is focused on hands-on implementation under defined standards and senior guidance. You will contribute to building data products, ensuring quality and compliance with established frameworks.
 

Responsibilities
 

• Implement pipelines and data transformations
• Build analytical and source-aligned data products
• Follow established standards (data contracts, modeling patterns, testing strategies)
• Work in cross-functional domain teams
• Participate in pair-programming and knowledge transfer
• Support monitoring and operational excellence of delivered data products
   

Required Technical Stack
 

Mandatory experience with:
 

• AWS
• Azure
• Snowflake
• dbt
• Witboost
• Dreamio
• Modern ELT/ETL practices
• CI/CD in data environments
• Automated testing for data pipelines
   

Required Experience
 

• 1–3 years in Data Engineering
• Previous assignments delivering pipelines and data products
• Familiarity with Data Mesh
• Basic understanding of DataOps
• Understanding of governance, lineage, SLAs
• Comfortable working in Agile cross-functional teams

We are looking for an experienced Data Engineer to leverage their skillset in a fast-paced financial trading environment. You will be responsible for designing, developing, and maintaining data pipelines and infrastructure across GCP , and Oracle-based systems, ensuring high-performance data flows that support trading, risk, and compliance functions. This role requires a deep understanding of cloud architecture, large-scale data processing, and a strong grasp of agile delivery practices.
 

About the client
 

An international consulting firm that helps companies of all sizes have a better impact on the world. Company capabilities focus on supporting the private and public sectors with their people, processes, and digital technology challenges.
 

What You Will Do
 

● Design, build, and maintain scalable data pipelines primarily within Google Cloud Platform
 

● Develop integration and transformation workflows between cloud data services and on-prem Oracle databases
 

● Work closely with trading, risk, and analytics teams to understand data requirements and deliver real-time and batch data solutions
 

● Optimise and monitor performance of data systems to support latency-sensitive trading applications
 

● Collaborate with cross-functional teams using Agile/Scrum methodologies to deliver business-critical data projects
 

● Ensure robust data governance, lineage, and compliance (including MiFID II, FCA, and other regulatory standards)
 

● Automate data workflows using Terraform, CI/CD pipelines, and containerisation tools (Docker/Kubernetes)
 

What you will bring
 

● Strong experience with Google Cloud Platform (GCP) e.g. BigQuery, DataPlex, DBT, Pub/Sub, Dataflow, S3, Glue, Redshift
 

● Expertise in Oracle SQL, PL/SQL, and working with complex stored procedures and large datasets
 

● Proficiency in programming languages such as Python, Java, or Scala
 

● Experience with streaming and messaging systems (e.g. Jenkins, GitLab), and container orchestration (Kubernetes)
 

● Experience working with Infrastructure as Code, preferably Terraform, to manage cloud data infrastructure.
 

● Deep understanding of data modelling, data warehousing, and ETL/ELT design patterns
 

● Familiarity with Agile development practices (Scrum, Kanban, Jira)
 

● Exposure to financial markets, trading systems, or related high-performance environments is a strong plus
 

Nice to have
 

● GCP certification (e.g., Professional Data Engineer or similar) will be considered a strong advantage.
 

● Experience with Amazon Web Services (AWS)
 

● Knowledge of regulatory reporting, market data, or trade surveillance systems
 

● Experience with Apache Airflow, DBT, or similar orchestration tools
 

● Understanding of data security practices and compliance frameworks

We’re looking for a DevOps / Infrastructure Engineer to join our infrastructure team and help manage modern containerized environments and cloud infrastructure. In this role, you will be responsible for maintaining Kubernetes clusters, managing on-premise virtualization infrastructure, and improving CI/CD and GitOps workflows.

You will work with real production systems across multiple environments, ensuring stability, scalability, and automation across the infrastructure stack. We value engineers who are comfortable troubleshooting complex systems, improving automation processes, and working with modern DevOps tooling.

Expertise Required

2+ years of hands-on experience in a DevOps, SRE, or Infrastructure Engineer role. 
3+ years of experience working with k3s or other lightweight Kubernetes distributions. 

k8s, k3s or other lightweight Kubernetes distributions
Experience deploying and operating Strimzi (Kafka on Kubernetes).

Experience deploying and operating Kafka, Clickhouse and others on Kubernetes).
Basic scripting experience using Bash or Go.

Basic scripting experience using Bash or Python, Go.

What You Will Do

Manage and maintain multiple Kubernetes clusters, including k3s on bare-metal infrastructure and managed clusters such as DigitalOcean Kubernetes (DOKS).

Deploy, update, and troubleshoot services across production and development environments.

Maintain and optimize Proxmox virtualization infrastructure, including VM lifecycle management, LXC containers, networking, and backup systems.

Build and maintain CI/CD pipelines using GitLab CI and self-hosted runners.

Implement and maintain GitOps-based deployment workflows using tools such as Flux or ArgoCD.

Configure and maintain monitoring and alerting systems, including Prometheus, Grafana, and related observability tools.

Manage ingress controllers such as Traefik or HAProxy and maintain TLS certificates using cert-manager and Let’s Encrypt.

Participate in incident response and root cause analysis for production systems.

Write and maintain technical documentation for infrastructure components and deployment processes.

Will Be a Plus

Experience deploying and operating Strimzi (Kafka on Kubernetes).

Familiarity with Cilium CNI and WireGuard-based networking encryption.

Experience working with HashiCorp Vault and External Secrets Operator.

Knowledge of Terraform or OpenTofu for infrastructure provisioning.

Experience implementing backup strategies using tools such as Proxmox Backup Server or B2 cloud storage.

Familiarity with the ELK stack (Elasticsearch, Logstash, Kibana).

Experience working with DigitalOcean Managed Kubernetes (DOKS).

Basic scripting experience using Bash or Go.

Interest in working with AI / LLM infrastructure environments.

Benefits

Work in a fast-paced, dynamic, and innovative business environment.

Opportunity to directly influence the company’s strategic IT architecture and products that scale globally.

Access to modern tools, technologies, and in-house expertise.

Flexible approach to project delivery and freedom to choose optimal technical solutions.

Performance-based bonus system for department heads, tied to team results.

Energy support benefit for employees in Ukraine — USD 100/month after the probation period (power banks, charging stations, generators, inverters, etc.).

Opportunity to visit the Warsaw office if you are nearby.

We are looking for a UI/UX Designer with solid experience in designing web and mobile products and a strong understanding of user-centered design principles. In this role, you will work on creating intuitive, user-friendly interfaces that align with business goals and the company’s brand. This position is a great fit for someone who enjoys combining design thinking, user research, and analytics to improve product experience and continuously refine design solutions. 

Qualifications: 
- At least 3 years of experience in UI/UX design; 

- Advanced knowledge and hands-on experience with design tools (Figma, Adobe Creative Suite, etc.); 

- Understanding of user interaction principles and usability best practices; 

- Experience designing for web projects; 

- Experience with responsive design and mobile versions (Mobile-first approach); 

- Ability to work with design systems and brand guidelines; 

- Basic knowledge of HTML, CSS, and JavaScript; 

- Ability to analyze user data and conduct interface testing.

 Responsibilities: 

- Designing UI/UX solutions for the company’s web and mobile projects; 

- Identifying user needs, requirements, and expectations; 

- Understanding analytics and using design to help achieve business goals; 

- Creating designs that align with the company’s brand and are intuitive and user-friendly; 

- Conducting user research and competitor analysis, including primary research; 

- Prototyping, testing, and validating hypotheses with users at early stages; 

- Participating in overall design processes and collaborating with other designers and developers. 

You would love to: 

- Design intuitive and user-friendly interfaces for web and mobile products; 

- Turn user insights and analytics into effective design solutions; 

- Work with design systems and ensure consistency across products; 

- Create wireframes, prototypes, and test ideas with users at early stages; 

- Collaborate closely with product managers, designers, and developers; 

- Contribute to improving the overall user experience of the product.

Join Whitechain – Build the Future of Web3!

At Whitechain, we’re on a mission to revolutionize blockchain, smart contracts, and cryptography. As part of the WhiteBIT ecosystem, we’re building cutting-edge Web3 solutions, from our own EVM blockchain to non-custodial wallets, DeFi platforms, and GameFi experiences.We’re looking for ambitious innovators to help us bridge the gap between retail and corporate blockchain adoption. If you’re passionate about decentralization, Web3, and shaping the future of digital economies, this is your chance to make an impact!

The future of Web3 starts with you — join us as a Senior Blockchain DevOps Engineer!
 

Requirements:

— 5+ years of professional experience in DevOps where 3+ years in blockchain industry.
— Proven experience running and maintaining blockchain infrastructure in production with alerting and profiling.
— Practical understanding of cryptography and its real-world failure modes
— Experience owning uptime, SLA, and incidents
— Strong Linux, networking, and security fundamentals
— Experience with non-trivial infrastructure (bare metal, custom networking, non-managed systems)
— Ability to reason about risk, failure domains, and second-order effects
— Comfortable making conservative decisions when stakes are high
— Strong sense of ownership and responsibility
— Ability to thrive in a fast-paced, innovative environment and work effectively as part of a talented team.
— Ability to be accountable for availability, reliability, and incident response
Would be a plus:

— Experience using AI tools in DevOps / SRE workflows
— Experience configuring AI agents for metrics collection, alerting, anomaly detection
— Experience reducing incident frequency and MTTR over time
— Background in security-sensitive or financially critical systems
 

Responsibilities:

— Own and operate production blockchain infrastructure with real security and uptime requirements
— Deploy, maintain, and upgrade blockchain nodes / validators / signing infrastructure
— Design and operate secure cryptographic systems, including key management and signing workflows
— Identify and mitigate blockchain-specific infrastructure risks eg. key leakage,network partitioning, human-factor failures
— Work with dedicated hardware and infrastructure providers
— Use cloud services (AWS / Cloudflare) in place where it improve or scale solutions, not just for “cloud”
— Build and maintain monitoring, alerting, and observability
— Automate infrastructure safely, understanding the risks of over-automation
— Participate in on-call rotation, incident response, and postmortems
— Continuously improve infrastructure reliability and operational maturity

Work conditions:

— Shape the Future – Work on high-impact blockchain products at the forefront of Web3.
— Innovate & Create – Your ideas drive real-world solutions and technological breakthroughs.
— Global Reach – Build scalable solutions for businesses and users worldwide.
— Web3-Powered Culture – A team of visionaries who believe in decentralization and innovation.

Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.


Ready to disrupt the industry with us? Apply now and let’s build the decentralized future together!

We are the creators of a new fintech era!
Our mission is to change this world by making blockchain accessible to everyone in everyday life. WhiteBIT is a global team of over 1,200 professionals united by one mission — to shape the new world order in the Web3 era. Each of our employees is fully engaged in this transformative journey.
We work on our blockchain platform, providing maximum transparency and security for more than 8 million users worldwide. Our breakthrough solutions, incredible speed of adaptation to market challenges, and technological superiority are the strengths that take us beyond ordinary companies. Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT and VISA.

The future of Web3 starts with you: join us as a Software developer!

Requirements:

– 5+ years of the commercial experience with PHP. Golang would be plus.
– Excellent coding skills with strong understanding of SOLID principles, design patterns, and clean code practices
– Proficient in writing maintainable unit tests, understanding of test strategy, mocking, and code coverage tools
– Advanced SQL skills, ability to optimize queries, design schemas, and work with both relational and NoSQL databases (e.g. Redis, Elasticsearch)
– Able to write and maintain Docker images, work with Docker Compose; familiarity with CI/CD pipelines and Kubernetes is a plus
– Excellent Git knowledge, including branching strategies and collaboration workflows
– Strong experience designing and implementing RESTful APIs, proficient with HTTP protocol and documentation tools like OpenAPI/Swagger
– Understanding of OWASP Top 10, JWT, OAuth2, encryption, and secure data handling
– Confident working in Linux/Unix environments
– Strong communication, problem-solving, and decision-making skills; collaborative mindset and commitment to continuous learning

Would be a plus:

Experience in fintech or crypto, understanding of trading systems, blockchain basics, and financial compliance is a plus
 

Responsibilities:

Advanced Technical Execution:
— Independently delivers complete features from system design to deployment
— Handles complex features requiring cross-component integration
— Takes ownership of feature technical design within established architecture
— Drives feature implementation while mentoring junior team members

Technical Problem Solving:
— Debugs and resolves complex issues across multiple system components
— Investigates and fixes production issues with minimal supervision
— Proactively identifies and addresses technical debt in owned areas
— Provides root cause analysis and long-term solutions

Feature Ownership:
— Acts as technical owner for specific product features or components
— Defines and monitors feature-specific metrics and performance
— Creates feature documentation and knowledge sharing materials
— Ensures feature quality through comprehensive testing strategies

Team Collaboration:
— Mentors Middle engineers through code reviews and pair programming
— Participates actively in technical design discussions
— Contributes to sprint planning with accurate estimations
— Shares knowledge through team presentations and documentation

Technical Growth:
— Proposes improvements to team's development practices
— Experiments with new technologies relevant to team's domain
— Contributes to team's technical standards and guidelines
— Helps establish team's testing and quality practices

Delivery Excellence:
— Ensures on-time delivery of assigned features
— Communicates technical risks and blockers proactively
— Balances feature delivery with code quality
— Coordinates with QA and Product teams for smooth releases

Work conditions:

Immerse yourself in Crypto & Web3:
— Master cutting-edge technologies and become an expert in the most innovative industry.
Work with the Fintech of the Future:
— Develop your skills in digital finance and shape the global market.
Take Your Professionalism to the Next Level:
— Gain unique experience and be part of global transformations.
Drive Innovations:
— Influence the industry and contribute to groundbreaking solutions.
Join a Strong Team:
— Collaborate with top experts worldwide and grow alongside the best.
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 24 calendar days of paid leave.
— Additional days off for national holidays.