Jobs at Djinni

Our client is a full-fledged Infrastructure SaaS platform for media buying, combining proven resources, AI tools, and secure payment processing in a single ecosystem. We create digital advertising infrastructure for affiliates and agencies, offering accounts, virtual cards, and optimization tools.

Primary Role Objective
Ensure stable, high-quality warm-up and creation of Google accounts.

Tasks and Responsibilities
Account Farming: Warming up and creating Google accounts strictly according to the manual (standard workflow).
Tools: Using the anti-detection browser (Octo Browser), proxies, and internal platform tools.
Reporting: Recording actions in Excel and working with the CRM system.
Quality Control: Ensuring account viability.
Working towards scaling onto the Facebook platform.
Key Metrics (KPIs):
Number of completed farming actions per day.
Ban percentage (Quality Check) after the sale and grace period.
Candidate Requirements
At least 3 months of experience in account farming or traffic arbitrage.
Proficiency with the Octo Browser anti-detection browser is required.
Proficient in Excel (Google Sheets).
Understanding of CRM principles.
Responsibility: Strict adherence to manuals and regulations.
Communication skills: Ability to promptly provide feedback to management.
Languages: Knowledge of foreign languages ​​is not required.

Job description

We’re looking for a senior software engineer with SRE experience to join our core team and work on complex technical challenges. 

Our client is a well-funded, fast-growing startup ($7M raised in seed) building a global equity management and compliance platform. Their solution enables dozens of customers to effectively manage their equity compensation plans, ensuring compliance with each country’s laws and regulations, and optimizing the tax treatment of employees' equity.

In this role, you’ll work with a top-tier engineering team (ex-Google, ex-Meta) on a wide range of tasks: from streamlining the development experience to optimizing the application's performance and enhancing the testing infrastructure (among other things). Our ideal candidate is a self-starter who can quickly navigate their way around new tech stacks and engineering problems. 

Required skill-set & experience

• At least 5+ years of production experience with Node.js/Nest.js and TypeScript
• Solid experience with distributed databases, queues and other data structures 
• Experience with containers and their orchestration (Kubernetes, Docker, Cloud Run) 
• Experience with monitoring and observability (Datadog, Grafana, Prometheus) 
• Good grasp of core computer science algorithms, data structures, their applications and tradeoffs
• Passion for debugging deep issues across stacks and networks
• Upper-intermediate+ level of English

Bonus points

• Experience with GCP and IaC (Pulumi/Terraform) 
• You’re a contributor to open-source software or run your own projects

What’s in it for you 

• Opportunity to become a core part of a boutique software consultancy, working with well-known international customers and highly complex tech challenges 
• Competitive salary 
• Paid vacation and sick leave 
• Remote-friendly culture
• Internal mentorship and upskilling 
• Learning & development budget ($400/year)
• Health bonus ($40/month)
• PE administration support

We are looking for a full-stack that will help us to bring our educational web technology Classtime to the next level. You'll be working with a distributed team (US, Switzerland, and Ukraine). 

Our Product

Classtime enables teachers to create questions on an internet-connected device (mobile phone, tablet, PC/notebook), push it to all student devices and track the performance of a class immediately in a class session. The teacher receives valuable information about the individual student's performance and can intervene as deemed appropriate, thereby improving the overall learning progress of the class. By answering the questions, all students are fully engaged, which can also be analysed after class and even over time to measure a single student's or the entire class's development.

Classtime is trusted by more than 400,000 teachers and various clients (schools / businesses) globally.

Спільнота Classtime в Україні: https://www.facebook.com/groups/classtimeua/

Responsibilities

- Implement new features and user interfaces of the Classtime Apps for students and teachers;

- Architect efficient and reusable front-end systems that drive complex web applications;

- Create APIs and implement business logic in micro-services;

- Collaborate with Product and Graphic Designers to deliver compelling user-facing products;

- Manage your own time, and work well both independently and as part of our SCRUM team;

- Launch, iterate and make a difference. Provide full-stack coding expertise, and be ready to make Classtime better for our users;

Must-Haves

Experience with React, Redux, OOP;

1+ years of JavaScript or Typescript experience and strong knowledge of ES6 or Typescript;

1+ years of backend development;

Nice to have

- Experience programming in Typescript.

- Experience programming in Python, Java and Kotlin;

- Experience in building responsive mobile-first web application;

- Strong sense of web design and fundamentals of user experience;

- Experience with implementing micro-services;

Classtime's Stack

- React, Redux, Redux Saga, TypeScript;

- HTML, SCSS, JSS;

- Webpack;

- Kotlin, Microservices, Django;

- Deployed on the Google Kubernetes Engine;

- Third-parties: Pusher, Cloudinary, Elastic Search;

Compensation & Location

Market-oriented salary. Remote office. We have several teammates in Kyiv. You must currently live in Ukraine.

Classtime Values

Curiosity - Always continue to experiment and learn.

We have to focus on our client, the teacher. We question critically, we listen carefully and experiment creatively with new ideas. If you love to understand the unknown, then continue, because you now know 25% of our values.

Impact - Always focus on generating value for society.

We don't pride ourselves with large employee numbers, but rather with exceptional impact per team member. We expect exceptional ownership and responsibility, not only for your tasks, but for our impact on society. Don't go improve the next ad platform, help us in our attempt to shape the future of education. If you can throw a punch with impact, then use both fists, not only 50%.

Perseverance - Always keep pushing yourself.

We are a distributed team, working across several time zones. Just like us, you can live in Los Angeles, Kyiv, Zurich, or anywhere you want. Our home has many names: Google Drive, Google Hangouts, Github, InVision, Slack, etc. We don't excel through pressure, but through alignment and discipline. We don't require you to run with us forever, but don't expect a half-marathon either. Just keep in mind: pain is inevitable, suffering is not. Persevere. You're already at 75%.

Honor - Act with integrity, always help a friend or rival.

Education is not a battle against each other, but for each other. Technology is already having a great impact on education. Why do we care? Because we believe that creative, curious people will honor future generations and learn to solve the world's biggest challenges for the long-term. This is what Classtime is all about – and we will relentlessly strive for our goals and keep pushing the frontiers of education. With our friends and “co-opetition”. This is 100% Classtime.

Get in touch with us now, let's talk!

Interview Process

1. Pre-assessment - Show that  you know the basics.
2. Technical Interview - Your opportunity to demonstrate your skills!
3. Personal Interview - Let's see if you are a good fit to the company.

QA Engineer – Data Warehouse & BI Testing
 

We are looking for a QA Engineer to join our Data Analytics team and ensure the reliability of the data that informs key business decisions. In this position, you will focus not only on testing but also on validating that the insights driving our business are trustworthy and accurate. Your contributions will directly support teams across the company, enabling faster and more confident decision-making.
 

What you’ll do:

• Conduct thorough validation of data transformations and integration workflows to ensure correctness and completeness.
• Review and verify BI reports and dashboards, including calculations, aggregations, and visual presentation.
• Collaborate with developers to identify, troubleshoot, and resolve data issues.
• Participate in requirement discussions to understand business needs and define the scope of testing.
• Develop and maintain detailed test plans, test scenarios, and scripts for data and reporting projects.
• Record and track defects, ensuring they are resolved and documented appropriately.
• Assist with User Acceptance Testing (UAT) and work with business users to confirm data accuracy.
• Support the creation of testing standards and best practices for data projects.
   

Required qualifications:

• Minimum 3 years of experience in manual testing.
• At least 1 year of hands-on experience with Data Warehouses (essential).
• Strong SQL skills and understanding of database testing concepts.
• Experience designing and executing test cases.
• Knowledge of BI tool testing, preferably Power BI.
• Strong analytical skills and attention to detail.
• Good teamwork and communication skills.
• Knowledge of the Czech language (written and spoken)
   

Will be a plus:

• Understanding of data warehousing testing approaches.
• Familiarity with test automation tools or frameworks.
• Experience with Snowflake, DBT, or similar data transformation platforms.

TICKETS is a product built by the bxnda.com team — a travel-tech company that builds and scales flight ticket aggregators across 80+ countries worldwide.
We’re a startup, not a bureaucracy-heavy corporation. Speed, ownership, and real results matter here.

We’re looking for a Marketing Manager to take ownership of marketing growth in Brazil and help scale one of our key markets.

Your role

You’ll be responsible for Brazil’s marketing growth — from paid channels to campaign planning and hypothesis testing.
We’re not looking for someone who “just runs ads”, but someone who thinks in terms of growth, traffic, and efficiency.

What you’ll do

• Plan and launch paid campaigns:
  • Google Ads
  • Meta Ads (Facebook / Instagram)
  • TikTok Ads
• Plan marketing activities around:
  • seasonality
  • local events
  • demand and traffic peaks
• Test hypotheses, creatives, audiences, and formats
• Work with analytics (CPA, ROAS, CTR, traffic)
• Collaborate with SEO, content, and local creators
• Propose and execute non-standard, cost-efficient growth ideas

What we’re looking for

• Hands-on experience with Google Ads and Meta Ads
  (TikTok Ads is a strong plus)
• Solid understanding of performance marketing & growth
• Ability to plan campaigns, not just execute them
• Analytical mindset and results-driven approach
• Proactive attitude and ownership of a market

Work format

• 🏢 Office-based role
• 📍 Warsaw, Poland (or relocation to Warsaw)

✈️ Apply now!
If you want to build marketing through growth and experimentation, not rigid instructions — we’re on the same page.

Job description

We’re looking for a senior frontend developer to join our core team and work on complex technical challenges. 

Our client is a well-funded, fast-growing startup ($7M raised in seed) building a global equity management and compliance platform. Their solution enables dozens of customers to effectively manage their equity compensation plans, ensuring compliance with each country’s laws and regulations, and optimizing the tax treatment of employees' equity.

The product sits at the intersection of fintech, legaltech, and AI, solving one of the hardest infrastructure problems in global business: real-time equity and compliance automation.

In this role, you’ll work with a top-tier engineering team (ex-Google, ex-Meta) and will design and implement elegant, high-performance interfaces for complex financial and legal data - making global compliance intuitive and accessible. 

Responsibilities
 

• Build and maintain advanced UI components with React.js, MUI, Zustand and more
• Collaborate with product and design to translate complex workflows into intuitive experiences
• Drive performance optimization, accessibility, and responsive design
• Implement and maintain frontend testing using Playwright (unit, integration, E2E)
• Participate in system architecture discussions and cross-team projects
   

Required skillset & experience 
 

• 5+ years of experience in modern frontend development
• Expert in React.js and TypeScript
• Familiarity with design systems or component libraries (MUI preferred)
• Experience with state management (Context API, Redux, Zustand, Jotai or similar)
• Skilled in testing frameworks and E2E automation
• Strong sense of design and attention to user experience
   

Bonus points

• Experience working in fintech or complex B2B SaaS platforms
• Understanding of backend integration and data-driven UIs

• You’re a contributor to open-source software or run your own projects

   

What’s in it for you 

• Opportunity to become a core part of a boutique software consultancy, working with well-known international customers and highly complex tech challenges 
• Competitive salary 
• Paid vacation and sick leave 
• Remote-friendly culture
• Internal mentorship and upskilling 
• Learning & development budget ($400/year)
• Health bonus ($40/month)
• PE administration support

We are LEQB Architects — for over 10 years, we have been creating architecture and interiors worth showcasing to the world. Today, our team includes 40+ professionals, and our projects span from Europe to the Middle East.
 

Our focus is the premium segment: complex challenges, bold creativity, and ambitious projects.
 

In addition to architecture, we are actively developing our branding and visual identity direction — both for LEQB and for our clients. That is why we are currently looking for a Senior Graphic Designer who thinks strategically, leads the design direction, and elevates the visual quality of the brand.
 

Your Responsibilities:

• Create, develop, and maintain visual identities for LEQB and client brands — from brief to brand book.
• Lead the design team and provide art direction across projects.
• Collaborate closely with the marketing team.
• Create social media content and contribute to content planning.
• Create design materials for internal and external communications.
• Present and defend design solutions in English; manage client-facing projects.
• Provide ongoing design support for clients: social media, print, packaging, and merchandise.
• Prepare files for print and consult on production and implementation.
• Participate in website art direction based on established brand identities.
• Contribute to the growth of the company and the overall branding and visual identity direction.
   

What We Expect From You:

• Minimum 5 years of experience in graphic design.
• Proven experience in art direction, style management, and team leadership.
• Art education and strong academic drawing skills.
• Writing and speaking Advance English level (C1) for presentations, calls, and project defense.
• Strong presentation skills and confidence in defending design decisions to clients.
• Advanced proficiency in Photoshop, Illustrator, Figma, Procreate, InDesign, Notion, GPT, Firefly, and Midjourney.
• Ability to draw both by hand and digitally; an iPad or graphic tablet is required.
• Deep understanding of print production and preparation for all print formats.
• A portfolio with impactful branding and visual identity cases.
• Solid understanding of the marketing foundation of design and social media platform specifics.
• Experience with merchandise. Clothing design is a strong plus.
   

What We Offer:

• Competitive compensation that reflects your expertise.
• International, ambitious projects you will be proud to showcase in your portfolio.
• Support throughout all stages of your work.
• Remote work format, 5/2 schedule, 10:00—19:00.
• A strong team and a supportive, inspiring work environment.
• Space for ideas, influence, and professional growth.
   

Want to Join Us?

If you already see yourself as part of LeQB, send us your CV and portfolio (required).
 

We are truly looking forward to meeting you.

Our Tech Stack:

• API testing & documentation: Postman, Swagger;
• Test management & tracking: Jira, Confluence, TestRail;
• Monitoring & root cause analysis: Kibana, browser DevTools;
• Databases: PostgreSQL, SQL, DBeaver;
• Messaging / event-driven systems: Kafka (understanding / basic experience);
• Version control: Git.
   

What You’ll Be Driving:

• Designing, executing, and maintaining test cases for functional, integration, and regression testing;
• Validating API integrations and payment flows;
• Capturing, prioritizing, and tracking defects; participating in triage and break-fix processes;
• Contributing to test automation efforts and QA process improvements;
• Collaborating closely with developers, product managers, and external providers;
• Participating in onboarding and mentoring of QA team members.
   

What Makes You a GR8 Fit:

• 4+ years of hands-on QA experience with web and client-server applications;
• 1+ year experience with payment systems and payment integrations;
• Strong understanding of REST APIs;
• Solid knowledge of SQL and experience with PostgreSQL;
• Experience with test automation or strong willingness to grow in automation;
• Experience working in Agile environments (Scrum / Kanban).
   

Desirable Skills and Personal Features:

• Fluency in the Ukrainian languages;
• Intermediate+ English level;
• Clear written and verbal communication;
• Strong prioritization and time-management skills;
• Problem-solving mindset and adaptability;
• Mentoring, coaching, and knowledge sharing within the team.

Dataweb Global Group, an international IT infrastructure solutions provider, is looking for a PE Accountant to support payroll, accounting operations, and contractor administration across multiple jurisdictions.

Dataweb Global Group is an international hosting and IaaS provider. Our solution scope includes full-stack IT infrastructure solutions based on enterprise-level Bare Metal, both Public and Private cloud offerings, and content delivery services (CDN).

We work with clients across various industries who require custom-built solutions to manage significant computing power, such as VoD platforms, Martech/Adtech platforms, Fintech, AI/ML computing, gaming, funtech and more.

Our mission is to provide personalized solutions for businesses and the people behind them.

Responsibilities:

• Calculate payroll and contractor accruals based on data provided by HR
• Execute payments to specialists and contractors and record transactions in internal systems
• Prepare bank payment documents and support payroll-related banking operations
• Maintain specialist and contractor (FOP) registries and documentation, including onboarding and offboarding support
• Coordinate reporting, tax payments, and compliance matters with external accountants
• Monitor changes in Ukrainian legislation and inform specialists and contractors accordingly
• Provide specialists and contractors with reports, invoices, and accounting documents upon request
• Control reporting deadlines, tax payments, and recurring obligations (insurance, coworking, etc.)
• Communicate with HR regarding specialist and contractor data updates (bank details, status changes)
• Support process improvements and adaptation to regulatory or operational changes

Requirements:

• 1–3 years of experience in accounting, payroll, finance, or related roles 
• Higher education in economics, finance, or accounting (accounting degree preferred)
• Understanding of accounting and tax basics, balance structure, income and expense flows
• Experience with payroll operations and supporting specialists and contractors
• Confident Excel user (mandatory)
• Experience working with accounting software, ERP systems, and banking platforms
• Experience with Deel or similar payroll platforms is a strong advantage
• English at Upper-Intermediate level or higher
• Strong attention to detail, accuracy in documentation, and adherence to deadlines

We offer:

• Competitive compensation
• Opportunity to work from any place in the world (we provide technical support)
• 25 working days of paid vacation annually, and also paid sick leaves
• Different benefits: lunches, insurance, English courses, corporate activities and gifts. Also, we actively support brave Armed Forces of Ukraine soldiers and donate to their needs together

We look forward to welcoming you as part of our team.

Position: Product UI/UX Designer (Web App Dashboard)

Location: Remote (EU timezone preferred)

Employment: Contract (part-time or full-time) → potential long-term / in-house

Start: ASAP

English: B1–B2+ (able to work with product requirements + dev team)

About the project

We’re building a Web3 Mining-as-a-Service (MaaS) platform. Users access real Bitcoin mining infrastructure and track daily rewards, performance, and upgrades inside a dashboard (trustworthy, fintech-grade UX).

Important: the frontend uses a ready-made UI component library (HeroUI) + Tailwind-style layout. The goal is fast, dev-friendly product design using existing components (not reinventing UI kits).

Responsibilities

• Design the core dashboard and key flows:

  • onboarding / verification-aware flows (CIAM/KYC-style steps where applicable)
  • portfolio / assets / rewards tracking
  • add-capacity / upgrade flows, calculators, notifications surfaces

   

• Build Figma layouts mapped to HeroUI components (consistent, clean, scalable)

• Prepare dev-ready handoff:

  • responsive behaviour (mobile-first + responsive desktop adaptation)
  • clear component mapping + specs for React implementation

   

• Work in a tight feedback loop with Founder + CTO + Architect + Frontend:
  • fast iterations, quick fixes, frequent feedback
  • tight loops with the team

Requirements (must-have)

• 3+ years in product UI/UX for web apps (dashboards, SaaS, fintech, analytics)
• Strong UX for data-heavy / money-trust products (clarity, credibility, friction control)
• Confident Figma skills: auto-layout, constraints, components/variants, clean structure
• Ability to iterate quickly: same-day / next-day corrections when needed
• Comfortable collaborating directly with devs

Nice to have

• Web3 / crypto product experience (wallet-like flows, rewards/staking UX, exchanges)
• Understanding of Tailwind / utility-first layout constraints
• Experience working with existing UI libraries (HeroUI, shadcn/ui, Material, etc.)
• Tasteful micro-interactions / motion (optional)

Process

• Short intro call
• Portfolio review (must include complex web apps / dashboards)
• Optional small  test task (scoped, realistic, fast)

Work format

• Fully remote
• At least 4 hours of daily overlap with the team (roughly 10am–2pm CET, meetings usually around 11:00 CET)
• Team coordination in CET / Eastern European time
• Working language: English (Russian may be used inside the team)

Compensation & Benefits

• Rate: 20–30 EUR/hour (depending on portfolio and speed/ownership)
• Payment: Monthly via bank transfer or USDT
• Vacation: 20 days paid time off per year
• Contract type: B2B contractor

Benefits:

• Flexible work schedule
• Agile execution with fast feedback and minimal bureaucracy
• Small, focused team with end-to-end ownership
• Hands-on experience in a real crypto-finance product (not “theory Web3”)
• Ability to influence UX, interface patterns, and product decisions
• Exposure to multiple product areas (dashboard, onboarding, growth mechanics)

How to apply

Send:

1. Portfolio link (with 1–2 relevant dashboards/web apps)
2. Short note: what you personally owned end-to-end (flows/system/handoff)
3. Availability (hours/week) + rate
4. Your typical turnaround time for feedback iterations

We are looking for a Senior Backend Engineer with strong experience in Node.js and distributed systems. You will work within a microservice architecture, debug issues across services written in different technology stacks, and write clean, efficient TypeScript code. Legacy systems don’t scare you -  they are seen as interesting technical challenges.

You will join a professional engineering team responsible for building and maintaining the core backend and data layer of a complex platform. The team supports key technical workflows, including:

• ETL pipelines across multiple data sources
• Data export pipelines
• High-load backend services
• Search and analytics systems
• Intelligent data processing and generation systems
• AI-powered data solutions
   

From a backend perspective, the platform is primarily built with Node.js, using Express and NestJS.

Requirements

Must have

• Strong understanding of software engineering fundamentals, algorithms, data structures, and OOP
• Solid knowledge of ES6+ JavaScript and TypeScript
• Hands-on experience with Node.js, Express, NestJS, and Redis
• Experience working with SQL or NoSQL databases
• Good understanding of CI/CD practices
• Ability to work independently and take ownership of initiatives
• Strong English communication skills (written and verbal)

Nice to have

• Experience with AWS (SQS, RDS, CloudWatch, OpenSearch, S3, etc.)
• Experience designing or maintaining ETL pipelines
• Familiarity with n8n or similar workflow tools
• Experience with high-load or data-intensive systems
   

Responsibilities

• Own and evolve critical backend services and data pipelines
• Design, implement, and maintain scalable and reliable services
• Debug and analyze complex data flows across multiple systems
• Drive improvements in architecture, performance, and reliability
• Lead the development of new services and features from scratch
• Write high-quality, maintainable code
• Act as a technical reference point for the team and help raise engineering standards

What you get

• Meaningful work
• No time tracking
• Like-minded people
• A supportive and experienced engineering team
• Internal learning and development program
• Office that feels like a second home
• Work-life blend
• 20 vacation days
• Accounting support
• Medical care & wellbeing
• Family-friendly space
• Office gym with a personal trainer

About Us:

Liki24 is a marketplace of healthcare products and services.
Our mission is making health affordable and accessible for everyone.
We aim to deliver an exceptional customer experience, providing seamless access to various goods across multiple markets, enhancing customer satisfaction, and solidifying our place as a leading health and wellness marketplace.

We are looking for a highly analytical and data-driven Strategic Operations Manager to join our team and take ownership of category expansion on the Liki24 platform. This role is at the intersection of market research, operational testing, and commercial strategy — with a strong focus on scaling what works and finding new pockets of growth.

You’ll be responsible for identifying and launching new high-potential product categories, analyzing competitive positioning, and driving initiatives to expand our catalog and market footprint. You’ll work closely with supply, content, and marketing teams to validate hypotheses, refine our offering, and turn insights into real business impact.

What We’re Looking For:

• Strong research and analytical mindset — you ask why, not just what.
• Curiosity and critical thinking — you go deep and connect the dots.
• A structured and data-driven approach to solving business problems.
• Creativity and proactiveness — you take initiative and move ideas forward.
• Detail-oriented, persistent, and outcome-focused.
• Comfortable working independently, managing priorities, and owning results.
• 3+ years of experience in business analysis, commercial strategy, operations, category management, or marketplace roles.

Nice to Have:

• Experience in fast-paced e-commerce or marketplace environments.
• Understanding of customer behavior, sales funnels, and product merchandising.
• SQL or BI tools (Tableau, Power BI, Looker, etc.) — a big plus.

Key Responsibilities:

Research & Analysis (40%)

• Analyze internal and external market data: sales volume, demand, supply, competition, pricing, availability.
• Identify market trends, product gaps, and regional opportunities.
• Evaluate competitor offerings and delivery strategies

Operational execution (50%)

• Develop and test hypotheses to improve product sales and visibility.
• Adjust and localize our value proposition (pricing, bundling, visuals, copy, etc.).
• Collaborate cross-functionally with marketing, content, and supply teams to execute initiatives.
• Monitor impact and performance metrics across product categories.
• Iterate based on outcomes and generate new ideas to drive results

Strategic thinking (10%)

• Identify scalable approaches, playbooks, and tactics for expansion.
• Contribute to long-term strategic thinking on new markets, product lines, or customer segments. 

What We Offer:

• Opportunity to work in a global company with a strong social mission.
• Ability to transform your ideas into impactful realities.
• Chance to be part of an open-minded and innovative team.
• Exceptional opportunities for personal and professional growth.
• 20 paid vacation days, 21 paid sick leaves, and paid national holidays.
• Flexible schedule with the option to work from home.

We are making Health! If you’re excited about growth challenges, passionate about impact, and not afraid to experiment — join us!

SaaS Platform · React + Fastify · PostgreSQL

About the Project

We’re building a sophisticated AI-powered matching and analytics platform that uses multi-dimensional profiling and advanced algorithms to optimize decision-making.

The product has a validated prototype and real traction. We’re now moving into production hardening and scale, and we’re looking for a senior developer to take ownership of the backend architecture while actively evolving the frontend.

A core part of this role is working AI-first: we expect you to use Claude Code as a primary development tool, not as an experiment or side-assist.

The Role

You’ll design and implement the full production backend for our React-based SaaS platform, replacing mock data with real infrastructure:

• databases
• authentication
• APIs
• AI integrations
• deployment pipelines

You’ll also contribute directly to the frontend where needed.

Claude Code is a hard requirement.

We expect you to be comfortable (or explicitly motivated) to:

• scaffold systems with AI
• refactor and evolve large codebases using AI assistance
• co-design architecture with Claude
• use AI for documentation, tests, migrations, and reasoning

This is an AI-augmented engineering role, not a traditional “write everything by hand” position.

What You’ll Build

Backend Architecture

• Fastify REST API

  High-performance Node.js framework with TypeScript-first design and built-in validation

• Database

  PostgreSQL 15 with Prisma ORM (type-safe queries + automated migrations)

• Authentication & Authorization

  JWT with refresh tokens, httpOnly cookies, and role-based access control

• Caching Layer

  Redis for sessions and performance optimization

• Validation & Types

  Shared Zod schemas between frontend and backend

• API Design

  RESTful endpoints with structured error handling and consistent responses

Infrastructure & DevOps

• Monorepo Setup

  pnpm workspaces separating frontend, backend, and shared packages

• CI/CD

  GitHub Actions with automated tests, security checks, and deployments

• Environments

  Isolated staging and production environments

• Deployment
  • Frontend: Vercel (CDN + edge)
  • Backend: Railway or Supabase (auto-scaling)

• Containerization

  Docker-based local and production environments

Integrations

• OpenAI API

  Document parsing, analysis, and intelligent matching logic

• Email Services

  Resend or SendGrid with template-driven transactional emails

• File Storage

  Secure uploads via Supabase Storage or AWS S3

• Monitoring & Analytics

  Sentry (errors) and PostHog (product analytics)

Testing & Quality

• Backend Testing

  Vitest for unit and integration tests with test databases

• End-to-End Testing

  Playwright covering full user workflows

• Code Quality

  ESLint, Prettier, Husky pre-commit hooks

• API Documentation

  Auto-generated OpenAPI specs from Zod schemas

Required Experience

• 5+ years of professional full-stack development
• Strong experience or strong willingness to work AI-first
• Hands-on experience with Claude Code for real production work
• Advanced React and modern frontend practices (React 19, hooks, Zustand)
• Node.js backend development (Fastify preferred, Express acceptable)
• PostgreSQL schema design, indexing, and performance optimization
• Prisma ORM or similar type-safe database tooling
• RESTful API design with authentication (JWT, OAuth concepts)
• Git-based workflows and CI/CD pipelines
• Testing across the stack (unit, integration, E2E)

Tech Stack

Frontend (Existing)

• React 19, Vite 7, React Router 7
• Ant Design 6, Zustand 5
• React Flow, Recharts, @dnd-kit
• Vitest, Playwright

Backend (Developing)

• Fastify
• PostgreSQL 15 + Prisma
• Redis
• Zod
• JWT authentication
• Helmet (security)

Infrastructure

• pnpm workspaces (monorepo)
• Docker + docker-compose
• GitHub Actions
• Vercel (frontend)
• Railway / Supabase (backend)

Third-Party APIs

• OpenAI GPT-4 API
• Resend / SendGrid
• Supabase Storage
• Sentry

Highly Desirable

• Deep Fastify experience
• Prisma with complex relational schemas
• Monorepo experience (pnpm, Yarn workspaces, Turborepo)
• Production TypeScript at scale
• Ant Design customization
• Docker for both dev and production
• OpenAI / LLM integration experience
• Vercel and Railway deployments
• Database migration strategies
• Strong opinions on AI-assisted development

Required Skills (Experience Level)

• Node.js (Fastify / Express) — 4+ years
• TypeScript — 4+ years
• PostgreSQL (schema design, indexing, optimization) — 3+ years
• Prisma ORM — 2+ years
• React (hooks, functional components) — 3+ years
• Zustand or similar state management — 1+ year
• REST API design & backend architecture — 4+ years
• Authentication (JWT, refresh tokens, RBAC) — 3+ years
• Docker (local & production workflows) — 2+ years
• CI/CD (GitHub Actions or similar) — 2+ years
• Monorepo workflows (pnpm / yarn workspaces) — 1+ year
• Testing (Vitest / Jest / Playwright) — 2+ years
• OpenAI / LLM API integration — 1+ year
• Claude Code (AI-assisted development workflows) — 1+ year

Location: Los Angeles, CA (Remote/Overseas)

About Us:
Ferla Bikes is a leading innovator in eco-friendly commercial cargo bikes, empowering entrepreneurs worldwide with state-of-the-art vending carts, cargo solutions, and e-bikes. We prioritize sustainability, creativity, and community involvement, enabling small businesses to flourish in environmentally responsible ways.

We are seeking a creative and strategic Social Media Manager to join our Commercial Bikes division. This role will drive engagement, brand awareness, and lead generation through dynamic content and marketing campaigns across social media platforms.

Key Responsibilities:

• Strategy Development: Create and implement a comprehensive social media strategy tailored to Ferla’s commercial bikes and vending carts.
• Content Creation: Develop compelling content (videos, images, and copy) that highlights the functionality and success stories of our commercial bike clients.
• Community and Brand Management: Foster relationships with customers, influencers, and partners by actively engaging with followers and responding to comments/messages. Foster relationships with Facebook and Instagram Community Groups. 
• Campaign Management: Launch targeted social media ad campaigns to increase product visibility and generate leads for the commercial bikes division.
• Performance Tracking: Analyze and report on social media metrics to evaluate the effectiveness of campaigns and identify opportunities for growth.
• Collaboration: Work closely with the marketing, sales, and design teams to align social media content with broader business objectives.

Project Overview
We are looking for a Regular Web Visualization Developer to join our team and work on interactive, web-based visualization tools for technical and geospatial data in the oil and gas domain. The role is focused primarily on frontend and 3D web visualization, with exposure to backend integration and cloud-based environments as part of a larger engineering team.

This position is ideal for a strong frontend developer with experience or strong interest in WebGL and Three.js who wants to grow into a specialized visualization/graphics engineer role.

Key Responsibilities
• Develop and maintain interactive web-based visualization tools using Angular, TypeScript, and Three.js
• Implement and optimize 3D scenes and visual components for performance and usability in the browser
• Collaborate with backend engineers to integrate visualization components with existing APIs and data services
• Work closely with domain experts (geologists, engineers, analysts) to translate technical data into clear visual representations
• Participate in code reviews and contribute to improving frontend architecture and best practices
• Support deployment and operation of web applications in cloud-based environments (AWS or Azure)

Mandatory Skills
Angular, TypeScript, Three.js, WebGL

Required Experience & Qualifications
• 3+ years of experience in frontend or web visualization development
• Practical experience with Angular and TypeScript in production projects
• Hands-on experience or strong fundamentals in Three.js and WebGL
• Basic understanding of performance optimization for web applications
• Familiarity with working with REST APIs or similar backend services
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)
• Good communication skills and ability to work in a collaborative team environment

Nice-to-Have
• Exposure to technical or scientific visualization (GIS, 3D data, dashboards, simulations)
• Basic understanding of cloud platforms (AWS or Azure)
• Interest in graphics rendering concepts and performance tuning
• Familiarity with Unity, VR, or other 3D tools

Languages
English: B2 (Upper Intermediate)