LenGreo

LenGreo is a full-cycle digital marketing & development company.

We’re building a modern social-media-driven platform — a creator–fan ecosystem where users publish content and fans can financially support creators.
 

The product is performance-oriented, scalable, and built with clean architecture principles.
 

You’ll join an experienced cross-functional team including a Technical Lead, Backend Developers, Business Analyst, Designer, and Project Manager.

Role Overview
 

We are looking for a Middle+ QA Specialist with hands-on experience testing social media–style web applications, particularly platforms with feeds, messaging, content publishing, and real-time interactions.
 

This role is strongly focused on:

• Requirements-based testing
• Acceptance criteria validation
• Complex user-flow validation
• Ensuring feature completeness before release
   

You will act as a quality gatekeeper — validating that every implemented feature fully matches business logic, technical documentation, and product requirements.
 

Responsibilities

• Perform detailed requirements-based testing and validate features against specifications and acceptance criteria
• Create structured test cases and test scenarios from product documentation
• Execute manual testing across web and mobile web environments
• Test social platform features including:
  • Feed & infinite scroll
  • Profiles
  • Messaging & chat
  • Stories
  • Notifications
  • Live content / real-time updates
  • Content publishing & interactions
  • Gamification features
• Validate UI against Figma designs
• Test API responses and data consistency
• Perform regression testing before releases
• Identify edge cases and negative scenarios
• Provide clear and reproducible bug reports
• Collaborate closely with BA and PM to clarify requirements
• Participate in sprint planning and release validation
   

Required Experience

• 3+ years of commercial QA experience
• Strong experience testing social, content, or community-driven platforms
• Experience working with structured requirements and acceptance criteria
• Ability to independently design test cases from business documentation
• Experience validating full user journeys end-to-end
• Experience testing REST APIs (Postman or similar tools)
• Agile/Scrum experience
• Strong analytical and detail-oriented mindset
   

Nice to Have

• Experience testing chat systems, WebSockets, or live updates
• Experience testing adult-oriented platforms (comfortable with sensitive content)
• Experience with feed-based UI systems
• Experience with gamification mechanics
• Experience testing payment flows
• Basic understanding of frontend/backend architecture

Terms

• Remote, full-time
• Basic understanding of frontend/backend architecture

We're looking for a Middle+ Fullstack Developer - Next.js | React | React Query | NestJS | PostgreSQL
 

About us:
 

LenGreo is a full-cycle digital marketing & development company.

We’re building a modern social-media-driven platform — a creator–fan ecosystem where users publish content and fans can financially support creators.
 

The product is performance-oriented, scalable, and built with clean architecture principles.
 

You’ll join an experienced cross-functional team including a Technical Lead, Backend Developers, Business Analyst, Designer, and Project Manager.
 

Role Overview:

• Middle+ Fullstack Developer with strong frontend focus
• Confident across the full stack
• Product-oriented ownership mindset
• End-to-end feature delivery
• UI → API → data layer involvement

Responsibilities:

• Build and scale frontend features with Next.js and React
• Manage server state using React Query
• Implement UI from Figma and design system
• Develop feeds, profiles, messaging, notifications, and content interactions
• Contribute to backend features using NestJS
• Work with PostgreSQL queries and schema updates
• Design and integrate REST APIs
• Participate in architecture and technical planning
• Write clean and maintainable code
• Improve performance and UX across the product
• Join code reviews and follow engineering standards

Required Experience:

• Commercial React and Next.js experience
• Strong JavaScript and TypeScript knowledge
• Production-grade web application experience
• NestJS or similar Node.js framework experience
• PostgreSQL and relational database knowledge
• REST API design and consumption experience
• Frontend performance and scalability understanding
• Team workflow and Git experience

Nice To Have:

• Experience with social or content platforms
• Real-time features (WebSockets)
• Messaging or feed-based interfaces
• Payment integrations
• Contributions to scalable system architecture

Engagement Format:

• Remote
• Full-time
• Long-term collaboration
• Product-focused environment

We are a digital agency providing SEO, lead generation, marketing, and web development services for B2B companies.
 

Alongside our agency services, we work closely with one legacy client in the BIM / digital architecture / building engineering space (e.g. BIM modeling, Scan-to-BIM, architectural and structural design). 

This client will be a key focus of your role. We already have an active setup: CRM, inbound leads, and outbound channels. This role is about operating, improving, and scaling what already exists, taking it to the next level.

Role Overview:
 

We’re looking for a B2B Account Manager / Lead Generation Specialist to join our team and work across:

• Lead generation (outbound + inbound)
• Account support for one legacy BIM client
• CRM and pipeline management
• Communication with prospects and internal teams
   

You don’t need an engineering background, but you must be comfortable working with technical B2B services and willing to learn the BIM / digital design niche.

Key Responsibilities:
 

Lead Generation & Sales Support

• Run and manage LinkedIn outreach campaigns
• Work with Upwork:
  • Process inbound leads
  • Respond to client inquiries
  • Qualify opportunities
• Support email outreach campaigns
• Process and qualify inbound leads from different channels
• Identify whether leads are a good fit for our services
   

CRM & Pipeline Management

• Work in our existing CRM
• Track leads across the top of the funnel

• Maintain accurate lead statuses and notes

   

Account & Team Collaboration

• Support communication with our legacy client
• Sync regularly with project managers
• Provide clear updates on progress and blockers
• Ensure fast and professional responses to prospects (timing is critical)
   

Requirements:

Must-Have:

• 2+ years of experience in B2B lead generation, SDR, or account management
• Native Ukrainian
• English level: B2+ or higher (strong written communication)
• Experience working with a CRM
• Experience with LinkedIn lead generation
• Strong reporting and tracking skills
• Ability to manage multiple leads simultaneously
• Comfortable working fully in B2B
   

Strong Plus:

• Experience with Upwork (mandatory advantage)
• Experience with Clay or similar modern lead gen tools
• Experience with email outreach
• Familiarity with technical or engineering-related services
• Experience handling inbound leads from platforms like Clutch
  
  What We’re Looking For
• Structured and organized
• Comfortable with technical niches
• Proactive and responsible
• Strong written communication
• Reliable with timing, follow-ups, and reporting
• Open-minded to different lead sources and workflows

Work is fully remote. We're looking forward to hearing from you!

LenGreo is a full-cycle digital marketing & development company. We’re currently building a new social-media-driven platform — a creator–fan ecosystem similar in spirit to modern content-sharing networks, with the ability for fans to support creators financially.

We’re looking for a Senior Full-Stack / Tech Lead who can define the technical vision and lead the build of the platform from the ground up.
 

Why this role matters:

We’re designing a high-traffic, content-heavy platform with real-time and media-rich functionality. The system must be architected from day one for scalability, reliability, security, and fast iteration.

As a Senior Full-Stack / Tech Lead, you will make the core architectural and infrastructure decisions that shape how the product is built, launched, and scaled.
 

What you’ll do:

• Define and own the overall technical architecture and system design of the platform.
• Lead technical strategy and architectural decisions across frontend, backend, database, and infrastructure layers.
• Design scalable, secure, and maintainable architecture suitable for high content volume and growing traffic.
• Collaborate closely with Product, Business Analyst, Designer, and Project Manager to translate requirements into technical solutions.
• Lead technical planning for MVP and future scaling stages.
• Select and validate frameworks, tools, and third-party services.
• Prepare realistic development estimations based on approved requirements and designs.
• Own technical delivery within agreed scope and assumptions.
• Establish development standards, architecture patterns, and code quality practices.
• Guide developers, review implementations, and support team growth.
• Design and oversee CI/CD pipelines and deployment workflows.
• Lead infrastructure and environment setup for a project starting from scratch.
   

Core technology stack:

• Frontend: Next.js
• Backend: NestJS (Node.js, TypeScript)
• Database: PostgreSQL
• Storage: S3-compatible object storage"
   

Required expertise:

• Strong production experience with Next.js frontend applications.
• Strong backend architecture experience with NestJS and Node.js.
• Proven experience designing and launching complex platforms from scratch.
• Experience architecting systems for content-heavy and high-traffic applications.
• Strong experience with PostgreSQL schema and performance design.
• Experience integrating S3 or S3-compatible storage for media-heavy platforms.
• Experience designing API architecture and service boundaries.
• Experience setting up CI/CD pipelines, automated builds, and deployment processes.
• Experience with cloud infrastructure and environment setup.
• Proven experience making architecture decisions balancing MVP speed and long-term scalability.
• Experience integrating multiple third-party services and providers.
• Solid experience with technical estimations and delivery ownership.
• Strong product and systems thinking.
   

Nice to have:

• Experience with high-load distributed systems.
• Experience with media processing and delivery pipelines.
• Experience with CDNs and caching strategies.
• Experience with real-time systems (chat, notifications, streaming).
• Experience with multi-provider payment integrations.
• Experience with user-generated content platforms.
   

Engagement format

• Full-time, remote
• Long-term collaboration anticipated.|
   

We look forward to hearing from you!