Jobs at Djinni

We are looking for a Key Account Manager / Operational Manager to join a fast-growing financial services company focused on global payments, FX operations, and cross-border transactions.

About the company
Nota Group is a rapidly growing company in financial services and consulting, specializing in global payments, currency exchange (FX), cross-border settlements, and business advisory. We build infrastructure for seamless international transactions and sustainable business growth.

Responsibilities:
• Manage client requests through the full operational cycle — from application intake to deal closure in CRM
• Register and process requests accurately in CRM
• Verify data, documents, calculations, and control execution status
• Calculate transaction routes (payments/exchange), ensure transparency of fund movement
• Coordinate deal parameters with clients
• Check deal profitability together with the team
• Follow AML/KYC/KYB procedures
• Collect and verify documentation, coordinate with legal team
• Prepare and manage contracts, invoices, and documentation in CRM
• Collaborate with accounting, legal, FX/OTC desk, and operations team

Requirements:
• 1–2 years of experience in operations or account management (fintech, banking, processing, or payments preferred)
• Understanding of international payments / FX logic
• Basic knowledge of AML/KYC/KYB
• Confident use of CRM and Google Docs/Sheets
• Strong written and verbal communication skills
• Russian — native
• English — B1

Nice to have:
• Experience in payments / FX / crypto / fintech
• Experience working with international clients or providers
• Experience handling deal documentation and operational quality control

We offer:
• Fully remote format
• Fixed salary 1500–2000 € + performance-based bonus
• Transparent processes and strong operational team
• Growth opportunities within international projects

Employment: Full-time
Schedule: 5/2, 8-hour working day (flexible schedule)

8+ years of commercial mobile application development experience, with a significant portion using Flutter/Dart

Experience working with large codebases (50k+ lines) and long-lived projects

Strong understanding of mobile application architectural patterns and ability to make architectural decisions

State Management & Architecture

Strong proficiency in Riverpod — providers, notifiers, AsyncValue, caching and invalidation

Experience with reactive programming using RxDart (Streams, BehaviorSubject, stream combination)

Navigation with GoRouter — deep linking, nested routes, guards, redirect logic

Local Database & Offline Mode

Practical experience with Drift (code generation, migrations, complex queries, joins, transactions)

Understanding of offline-first architecture principles: data synchronization, conflict resolution, operation queues

Experience with SQLite; familiarity with database encryption (SQLCipher) is a plus

Networking

Strong knowledge of Dio — interceptors (auth, retry, logging), error handling, cancel tokens

Understanding of REST APIs, authorization tokens, refresh token logic

Experience using flutter_secure_storage for secure credential storage

Firebase

Integration and configuration of Firebase: Analytics, Crashlytics, Cloud Messaging (push notifications), Remote Config, Performance Monitoring

Experience debugging push notifications on both platforms

Device & Native APIs

Camera, gallery, file system (image_picker, file_picker, path_provider)

Geolocation and maps (Geolocator, Google Maps Flutter, map_launcher)

QR/barcode scanning (mobile_scanner)

Permissions (permission_handler), deep links (app_links)

Background file downloads (background_downloader)

Testing

Experience writing unit tests for business logic, services, and Riverpod providers

Experience with widget testing for UI components and user scenarios

Proficiency with mockito — dependency mocking, stubs, call verification

Testing asynchronous code: fake_async, stream matchers, timers

Experience or willingness to work with integration/E2E testing (Patrol or similar)

Understanding what and when to test — balancing coverage and maintenance cost

Native Integration

Experience integrating native libraries for Android (NDK, JNI, Kotlin/Java) and iOS (Swift/Objective-C, CocoaPods, XCFramework)

Writing Platform Channels (MethodChannel, EventChannel) to connect Flutter with native code

Ability to create Flutter plugins with native wrappers for both platforms

Experience debugging platform-specific issues — build, linking, native dependency compatibility

Code Quality & Code Review

Ability to conduct meaningful code reviews focusing on reliability, performance, and readability

Ability to identify async/await issues, memory leaks, and race conditions during review

CI/CD

Experience setting up and maintaining CI/CD for mobile applications (Fastlane, Codemagic, GitHub Actions or similar)

Automation of builds, signing, and publishing to the App Store / Google Play

Project Overview:

We are seeking a Lead Backend Engineer with deep expertise in PHP and strong proficiency in Node.js to help modernize and scale our backend systems. This role is central to evolving a large PHP monolith into modular, service-oriented components while maintaining high standards for code quality, testing, and reliability.

You’ll work in a remote-first, globally distributed environment, collaborating closely with product, platform, and engineering teams. Strong technical ownership, communication, and architectural thinking are essential.

Customer Overview:

USA influencer marketing platform for organizations looking to advance their creator marketing. Its enterprise-grade technology and industry-leading intelligence facilitate scaled creator discovery, streamlined workflows, and robust reporting, while ensuring compliance and brand safety.
 

Responsibilities:

• Develop a deep understanding of an existing PHP monolithic codebase and progressively extract modular services
• Design and implement scalable, testable, and reusable backend services
• Write clean, maintainable PHP and Node.js server-side code
• Design and maintain robust RESTful and GraphQL APIs
• Lead refactoring efforts to improve performance, readability, and long-term maintainability
• Build, deploy, and operate services on AWS (Lambda, API Gateway, and related services)
• Write and maintain unit and integration tests
• Review, validate, and improve code generated with AI tools—never blindly accept AI output
• Identify technical risks, bottlenecks, and opportunities for improvement
• Clearly communicate technical decisions, trade-offs, and solutions in written and spoken English
• Create short video walkthroughs or demos explaining architecture changes or completed work
• Collaborate effectively in a remote, async-first cross-timezone team with flexible working hours

Skills/Requirements:

• Expert-level PHP (Laravel) experience (non-negotiable)
• Strong backend experience with Node.js
• Proven experience working on enterprise-grade, production systems
• Hands-on experience refactoring or decomposing monolithic architectures
• Strong background in API design and backend architecture
• Experience with AWS, especially Lambda and serverless patterns
• Solid understanding of software design principles, patterns, and clean code practices
• Experience writing testable code and maintaining automated test suites
• Fluency in English (written and spoken)
• Excellent problem-solving, debugging, and communication skills
• Highly proactive and self-directed; able to unblock yourself without waiting for instructions
• AI & Developer Tooling Expectations
• You are expected to use AI as a productivity multiplier, not a replacement for engineering judgment.
• This includes:
• Experience with AI coding tools (e.g., GitHub Copilot, ChatGPT, Claude Code, Cursor)
• Using AI within IDEs such as VS Code or PhpStorm
• Critically reviewing, testing, and refining AI-generated code
• Understanding risks, edge cases, and limitations of AI-assisted development

We are looking for a Technical Support Manager (L1) to provide high-level assistance to our customers and partners. This role includes diagnosing and troubleshooting software issues, as well as configuring customer and provider accounts, including AI models.

📌 Please note: This position requires working night shifts, including:

One shift from 11:00 PM to 8:00 AM (23:00 – 08:00)
One shifts from 10:00 PM to 7:00 AM (22:00 – 07:00)
 

Primary responsibilities of a Technical Support Manager:
- Diagnose and troubleshoot technical issues, including account setup;
- Ask customers targeted questions to quickly understand the root of the problem;
- Guide clients and providers through issue resolution via phone, email, or chat;
- Properly escalate unresolved issues to appropriate internal teams;
- Provide prompt and accurate feedback to customers;
- Oversee the integration pipeline;
- Configure provider and client accounts;

- Utilize AI models to automate issue diagnostics, analyze client data, and optimize support processes.

Requirements & Skills

- Proven work experience as a Technical Support Engineer, Desktop Support Engineer, IT Help Desk Technician or similar role;

- Ability to diagnose and troubleshoot basic technical issues;

- Experience working with AI models for data analysis, process automation, or customer support;

- Excellent problem-solving and communication skills;

- Excellent skills in SQL;

- Ability to provide step-by-step technical help, both written and verbal;

- BS degree in Information Technology, Computer Science, or relevant field.

Probation

- Standard probation — 3 months (may be exceptional cases)

Hi! We are Liven. We develop a global ecosystem of products that help people gain self-observability and steer away from negative thoughts, patterns, and behaviors on their personal journey.

Our UX Research team is the compass of our product development. We don’t rely on assumptions; we dive deep into real user insights to guide our decisions. As we scale, we are looking for two Junior UX Researchers to join our mission. This is a perfect starting point for those looking to pivot into IT and build a meaningful career in UX Research within a product-driven environment.

Important! Given the requirement for frequent interaction with users, the core working hours for this role will typically be 14:00 to 00:00.
 

🎯 How Will You Make An Impact?

• End-to-end Research: Participate in the full UX research cycle under the mentorship of our Lead UX Researcher — from defining research questions to presenting actionable insights.
• Qualitative Exploration: Assist in planning and conducting user interviews, usability testing, concept testing, and discovery research.
• Data Synthesis: Work with quantitative data, analyzing survey results and behavioral metrics alongside our analytics team.
• Insight Generation: Transform raw data into structured insights and clear product recommendations.
• Market Intelligence: Conduct desk research and competitive analysis to identify new growth opportunities for our ecosystem.
• Hypothesis Testing: Learn to formulate research hypotheses and help product teams validate them through rigorous testing.
• Continuous Growth: Rapidly immerse yourself in new domains, decode user behavior, and sharpen your research expertise through constant feedback.

🧩 What Makes You a Perfect Fit?

• Language Proficiency: English at a C1 level or higher (most of our research and internal communication happens in English).
• Analytical Mindset: Strong critical thinking skills with the ability to question assumptions and identify cause-and-effect relationships.
• Information Management: Ability to process, structure, and synthesize large volumes of information.
• Empathy & Curiosity: A genuine interest in human behavior, motivations, and decision-making processes.
• Agility: Readiness to learn fast, embrace constructive feedback, and adapt to a high-paced environment.
• Communication: Ability to clearly articulate thoughts and argue conclusions based on evidence.

🌱 Even Better If You:

• Have experience in any type of research (sociological, psychological, academic, or marketing).
• Possess a background in marketing, market research, or research agencies.
• Have a degree in Sociology, Psychology, Economics, or related fields.
• Understand the basic principles of UX, product management, or customer experience.
• Are a "switcher" who has proactively mastered the basics of the UX Research profession.

💪🏻 What will you enjoy most about being at Liven?

• Culture of Curiosity: A place for explorers who embrace the unknown and achieve stellar results even when there’s no playbook.
• Growth through Impact: Your professional evolution is directly tied to the value you bring to the product and the business.
• Global Impact: Develop a product that supports the mental well-being of millions of users worldwide every day.
• Trust and Ownership: The freedom to act, coupled with high responsibility for the outcome.
• Expert Community: Access to professional clubs, specialized training, a knowledge base, and a library for your continuous learning.
• Space for Focus: Autonomous offices in Kyiv and Warsaw with breakfasts, lunches, lounge areas, and wellness zones.
• Well-being Program: We care about the mental health of our team as much as we care about our users, including medical insurance and sports communities.
• Support during the war: We provide conditions for stable work and contribute to Ukraine's recovery through the SKELAR foundation.

Still on Day 1: A Constant Expedition We keep the "Day 1" spirit — constantly asking questions, testing hypotheses, and adapting. If you are driven by curiosity and want to help users understand themselves better through research, let’s connect.

Fuel your curiosity at Liven 🔎

Location: Remote or office in Dnipro
Product company

About the role
We are looking for a Middle engineer with a strong debugging mindset who enjoys investigating issues, finding root causes, and improving product stability.
This role combines development and production problem-solving.
You’ll work with real incidents, analyze system behavior, fix bugs in backend and frontend, and grow into a full product developer inside the team.

Responsibilities:
- Investigate and resolve production and staging issues
- Analyze logs and identify root causes
- Reproduce and describe bugs
- Fix issues in Python backend and Vue.js frontend
- Work with SQL for troubleshooting and data analysis
- Collaborate with: developers, QA, support

Must have:
- Python: 2+ years of commercial experience
- Vue.js: working experience
- MongoDB / Redis / ClickHouse / MySQL: strong hands-on experience (data analysis, troubleshooting)
- REST API: production experience
- Client–server architecture: solid practical understanding
- Debugging & root cause analysis: strong practical experience
- Log analysis: experience working with production logs
- Git: confident daily usage

Nice to have:
- Incident handling / L2 support: experience investigating production issues
- Docker: working knowledge
- Monitoring & error tracking tools (e.g. Sentry, Grafana, Prometheus): hands-on experience
- CI/CD: basic understanding
- Experience working with production environments

What we offer:
- Salary up to $2500
- Remote work or office in Dnipro — you choose
- Flexible working hours with a focus on team overlap (UA time zone)
- No on-call duties
- Flexible workflow and no micromanagement

Growth & development:
- Clear growth path to a full product developer
- Mentorship and regular code reviews
- Hands-on experience with real production cases and incident investigation
- Opportunity to work across backend and frontend

Our Customer:

A global technology company developing real-time video augmentation and rendering infrastructure for broadcast and streaming environments.

Your tasks:

• Develop and maintain the backend pipeline to monitor, synchronize, and manage data workflows both in the cloud and on on-premises servers.
• Integrate and manage modules written in C++ and Node.js to ensure seamless system performance.
• Implement a robust metadata system on AWS, ensuring secure access to S3 and optimized performance.
• Design and implement scalable backend architecture (Node.js) for efficient data distribution and pipeline control.
• Build and maintain a user-friendly monitoring dashboard to track pipeline status and performance in real-time.

Required Experience and Skills:

• Over 10 years of experience in backend development
• Proficient in Node.js and AWS
• Strong expertise in designing large-scale client-server architectures
• Deep understanding of browser internals, including rendering, JavaScript execution, network requests, memory management, and security mechanisms
• English – Upper-Intermediate

Would be a plus:

• Experience in database management, especially MySQL
• Experience in real-time C++ programming
• Experience in sports broadcasting and augmented reality (AR) technologies

Our customer:

A B2B SaaS platform for automating sales, contracts, and revenue. The platform unifies the entire deal lifecycle — from quote creation to revenue recognition.

Your Tasks:

• Collaborate with engineering teams to design, implement, and maintain reliable and scalable infrastructure.
• Manage and troubleshoot Kubernetes clusters in cloud environments (AWS, Azure, or GCP).
• Maintain and optimize containerized workloads, including Helm charts and CI/CD pipelines.
• Write scripts to automate operational tasks using Bash, Python, or Go.
• Monitor production systems and implement observability solutions using Prometheus, Grafana, and OpenTelemetry.
• Conduct root cause analysis for incidents and implement preventative measures.
• Continuously improve deployment workflows, production reliability, and operational efficiency.

Required Experience & Skills:

• 3+ years of professional experience in DevOps or Site Reliability Engineering roles.
• Hands-on experience with Kubernetes administration.
• Hands-on experience with troubleshooting in cloud environments.
• Experience managing containerized workloads and maintaining Helm charts.
• Solid understanding of CI/CD principles and tools (e.g., Jenkins, GitLab CI, GitHub Actions).
• Proficiency in scripting languages such as Bash, Python, or Go.
• Knowledge of monitoring and observability ecosystems (Prometheus, Grafana).
• Experience of distributed tracing with OpenTelemetry.
• Strong collaboration and communication skills within engineering teams.
• Strong problem-solving skills with a proven track record of performing root cause analysis.
• Good command of English (written and spoken).

Would Be a Plus:

• Experience running, deploying, and debugging Java applications in production.
• Proficiency with Java build tools (Maven or Gradle) and CI pipeline optimization.
• Understanding of JVM fundamentals (memory management, garbage collection).
• Experience maintaining and scaling Elasticsearch clusters.
• Experience managing MongoDB in production environments.

Our Customer:

Our client is a fast-growing tech company that builds innovative web solutions. They are looking for a talented Front-end Developer to design and deliver impactful features, contribute to new services, and help advance their platform. The team values collaboration, learning, and continuous innovation.

Your tasks:

• Develop and maintain Angular-based web applications.
• Implement testing best practices to ensure high-quality code.
• Identify performance bottlenecks and optimize front-end functionality.
• Collaborate closely with backend services and APIs.
• Mentor junior developers and help grow the frontend team.
• Work alongside product managers and senior leadership to deliver features.
• Ensure high availability and reliability of the product, including participating in on-call rotations.
• Continuously learn, experiment, and share knowledge with the team.

Required Experience and Skills:

• 5+ years of experience in front-end development.
• Strong expertise in Angular and front-end architecture for large-scale applications.
• Solid understanding of web technologies and browser behavior.
• Experience building scalable, highly responsive, and reliable web apps.
• Passion for UI/UX and attention to detail.
• Ability to thrive in a fast-paced, collaborative environment.
• Excellent communication skills and ability to translate requirements into solutions.
• English level Upper-Intermediate or higher.
• BSc in Computer Science or equivalent practical experience.

Would be a plus:

• Hands-on experience with Angular CLI, testing frameworks (Jasmine, Karma), and Webpack

Our customer:

Our customer is a technology-driven company developing a high-end Software Defined Radio (SDR) product, already moving from prototyping to commercial production (hundreds of units).

Your tasks:

• Design, develop, and optimize real-time embedded software for a high-performance SDR system
• Implement high-speed data paths inside the SDR and between the SDR and external devices (PC / cloud)
• Develop user-space and kernel-space software on NXP processors
• Work with DPDK-based networking, including UDP/TCP data processing and secure data transmission
• Participate in system-level development involving RF front-end, FPGA (integration level), and processors
• Implement and operate the control plane (internal SDR logic and external communication)
• Ensure real-time performance, low latency, and highly efficient code execution
• Debug complex real-time, multi-component systems (SW + FPGA + RF)
• Implement secure software management flows: secure images, field upgrades, monitoring

Required experience and skills:

• Strong experience in real-time embedded software development
• Hands-on experience with DPDK (mandatory)
• Practical experience with RF systems and digital signal processing in embedded environments
• Solid understanding of networking protocols and data processing (UDP/TCP)
• Experience with NXP processors and user-space / kernel-space development
• Proven ability to write highly efficient, low-latency C/C++ code
• Experience working in systems that include FPGA (FPGA coding not required)
• Strong debugging skills for real-time and complex systems
• Understanding of high-speed data paths and performance optimization
• Good command of English (written and spoken)
• Experience with Python for tooling, scripting, or support tasks

Would be a plus:

• Deep understanding of RF signals and SDR architectures
• Experience with time synchronization technologies (GNSS, IEEE 1588, clock synchronization)
• Background in digital signal processing (DSP) for real-time systems
• Experience with security mechanisms (VPNs, ciphering, secure communication)
• Experience with cloud-connected embedded systems

We’re on the hunt for a full-time Mobile App Digital Marketer, the kind of person who keeps everything running so smoothly that the rest of the team wonders if you have superpowers.

Your day-to-day will include:

• Available in chat from 13:00–22:00 Kyiv time; actual work can be done whenever suits you;

• Digging into research and turning it into clear, structured repots;

• Managing AppStore Ads and AppStore Optimisation 

• Crunching numbers, making sense of analytics & business statistics;

• Helping with HR: finding great people, scheduling interviews, keeping records tidy;

• Using GPT like a boss for almost every task to work smarter, not harder;

• Staying organized when 5 different things need to be done yesterday;

What we’re looking for:

• English: Intermediate;

• You’re an iPhone user in daily life;

• Tech-savvy and quick to learn new tools, apps, and workflows;

• Passion for staying up-to-date with the latest tech news and trends;

• Stress-resistant, able to work quickly without losing accuracy;

• Confident enough to knock on all possible doors to get a task done;

• A hawk’s eye for detail, you catch stuff others miss;

• You actually like organizing things (spreadsheets, docs, tools, bring it on);

• You’re self-motivated and can roll with changing priorities without freaking out;

• If keeping chaos under control sounds like your happy place, we’ll probably get along great.

When you apply, tell us:

1. Your English level
2. The latest time you’re cool with chatting during the required hours
3. The model of iPone you have;
4. What do you usually delegate to AI;
5. Hardest task that you have done and proud of;
6. Hidden somewhere in this post are small mistakes. Spot them and include your answers in the cover letter.

We’re looking for an experienced Software Solutions Architect to join our pre-sales team and help shape technical strategies for blockchain-based and Web3 solutions. This role bridges the gap between clients’ business needs and innovative technical design — perfect for a professional who thrives on both deep technical architecture and client-facing collaboration.
 

• Requirements:
  • 8+ years of commercial software engineering experience.
  • 4+ years of proven experience in the Web3 domain, including work with:
    DeFi protocols and dApps EVM-compatible blockchains, Bitcoin ecosystem components, Blockchain infrastructure and tooling
  • 3+ years of experience in pre-sales or solution consulting, engaging directly with clients.
  • Strong technical background in TypeScript and Go.
  • Understanding of software architecture methodologies, especially SEI or TOGAF.
  • Excellent communication and presentation skills to articulate complex technical concepts to both technical and non-technical stakeholders.
  • Ability to design and validate Proof-of-Concepts (PoCs) and MVPs across backend, frontend, and blockchain layers.
• Nice to Have:
  • Experience with Rust.
  • Hands-on development background in smart contracts or SDK design.
  • Familiarity with decentralized storage systems such as IPFS or distributed computing systems.

• What We Expect:

  The ideal candidate will combine architectural expertise with strong client engagement skills.

  
  You will:

  • Lead pre-sales engagements: Work closely with clients to understand their business goals and translate them into technical requirements and architecture proposals.
  • Architect solutions from the ground up: Define end-to-end system architectures, covering smart contracts, backend services, APIs, and infrastructure.
  • Provide technical leadership: Guide engineering teams through architecture design, implementation, and integration.
  • Define architecture strategy: Balance business and technical needs to create robust, scalable, and secure Web3 solutions.
  • Prepare and deliver proposals: Create technical documentation, architecture diagrams, and PoC/MVP demonstrations for client presentations.
  • Ensure best practices: Advocate for modern design principles, high-quality code, and emerging Web3 technologies.
  • Collaborate with cross-functional teams: Work alongside developers, product managers, and sales teams to ensure smooth delivery from pre-sale to execution.
    
    Would Be a Plus:
  • Deep understanding of blockchain consensus mechanisms, decentralized identity, or layer-2 scaling solutions.
    Previous contributions to open-source Web3 projects.
  • Experience building SDKs or frameworks that simplify blockchain integration.
  • Knowledge of distributed databases, caching, and replication strategies.

   

• What we offer:
  • Remote working format
  • Flexible working hours
  • Informal and friendly atmosphere
  • The ability to focus on your work: a lack of bureaucracy and micromanagement
  • 20 paid vacation days
  • 7 paid sick leaves
  • Education reimbursement
  • Free English classes
  • Psychologist consultations
     
• Recruitment process:
  • Recruitment Interview
  • Technical Interview
  • Final Interview

SoftButler seeks a Junior QA Automation Engineer to ensure top product quality. We're an innovation-driven startup valuing proactivity and growth. Write automated tests, set up CI/CD pipelines, reports and work with UI and API test layers.
 

- Fully remote with optional Kyiv office access. English level — B2+.

 

RESPONSIBILITIES:

• Design, develop, and maintain automated UI and API tests using JavaScript and Playwright
• Build and improve automation frameworks and testing infrastructure
• Maintain and optimize CI/CD pipelines for automated test execution
• Perform manual testing when necessary to validate complex flows
• Contribute to test strategy, coverage improvement, and QA best practices
• Set up reporting in TMS (TestRail, Zephyr)

• QA Proccess Imrovements

   

REQUIREMENTS:

• B2+ English (for communication and technical documentation).
• Strong JavaScript knowledge and strong Playwright experience.
• Experience with UI and API testing tools and frameworks.
• Understanding of CI/CD; experience with Jenkins, GitLab CI/CD, or GitHub Actions.
• Experience with Git and version control.

• Strong analytical skills, attention to detail, and proactive mindset.

   

WHAT WE OFFER:

• Startup culture: dynamic, innovation-focused environment.
• Career growth: clear development paths.
• Mentorship: support from experienced engineers.
• Flexible work: fully remote or hybrid (Kyiv office).
• Full-time position: stability and long-term opportunities.
• Corporate events: team-building and community activities.

We are looking for a detail-oriented HTML/CSS Developer to join our team on a part-time basis.

This role is ideal for someone who enjoys clean, structured markup and pixel-perfect implementation.

Responsibilities:

• Convert Figma/PSD designs into responsive HTML/CSS
• Ensure pixel-perfect layout implementation
• Optimize pages for performance and cross-browser compatibility
• Work with our Laravel and Vue/React developers when needed
• Maintain clean, reusable, and well-structured code

Requirements:

• Strong knowledge of HTML5 and CSS3
• Solid experience with responsive design
• Experience with Tailwind or Bootstrap (preferred)
• Understanding of basic JavaScript (nice to have)
• Attention to detail and ability to follow design precisely
• Good communication skills

Nice to Have:

• Experience working with Laravel blade templates
• Vue/ReactJs structure knowladge and ability to work with JSX
• Experience with Git

• Basic understanding of UI/UX principles

   

What We Offer:

• Long-term cooperation
• Flexible working hours
• Friendly and structured team
• Clear task descriptions and organized workflow

Please share:

• Your portfolio (live websites preferred)
• Your hourly rate
• Your weekly availability
• A short description of your experience

Company is looking for a Senior Backend Engineer to help build the infrastructure that secures the world’s software supply chains. You’ll work closely with top-tier engineers to design and ship high-performance, secure systems at scale.

This role is a great fit for someone who thrives in fast-moving environments, enjoys solving deep technical challenges, and wants their work to have real impact.

    Responsibilities

• Design, build, and maintain scalable backend services and APIs
• Develop reliable, secure, and high-performance systems in a production environment
• Work with SQL and NoSQL databases to support application needs and performance goals
• Collaborate with engineers to design and improve microservices - based architecture
• Contribute to clean, maintainable codebases and strong engineering standards

• Troubleshoot and resolve complex issues across services and infrastructure

   

  Requirements

• Bachelor’s degree in Computer Science or a related field
• 5+ years of backend development experience building scalable applications
• Strong proficiency in Node.js
• Advanced knowledge of PostgreSQL, Redis, or MongoDB under high load
• Familiarity with cloud services and microservices architecture: must have experience breaking down monolithic applications into microservices.
• Excellent problem-solving skills and a commitment to clean, maintainable code
• Proven track record of solving performance bottlenecks in high-volume data systems.
• Experience with SAST, SCA, or relevant security tools.