Jobs at Djinni

Asocial is looking for a highly independent and responsible Middle Manual QA Engineer to join our team. We are building a complex, fast-growing product and need someone who can quickly get up to speed, take initiative, and ensure product quality without constant guidance.

Responsibilities

• Perform thorough manual testing of web applications (mobile and desktop versions).
• Independently clarify and gather requirements, including incomplete or evolving ones.
• Conduct frequent and large-scale regression testing after releases and changes.
• Handle a significant amount of routine and repetitive testing without losing quality.
• Identify, document, and track bugs with clear reproduction steps in Jira.
• Collaborate closely with developers, product managers, and other team members.
• Perform backend testing to ensure correct data handling and storage in PostgreSQL.
• Verify HTTP methods (GET, POST, PUT, DELETE), response codes, and JSON/XML structures.
• Work in environments with frequent deployments via CI/CD pipelines.
• Adapt testing activities to dynamic (ephemeral) test environments that may be recreated, updated, or reset frequently.

• Suggest improvements to testing processes, test coverage, and QA practices.

   

Requirements

• 2+ years of experience as a Manual QA Engineer
• High level of self-organization, responsibility, and initiative.
• Ability to quickly get familiar with the product and start delivering results immediately.
• Ability to independently gather requirements without waiting for step-by-step instructions.
• Experience in manual testing of web applications (mobile and desktop).
• Solid experience with regression testing and willingness to perform it frequently.
• Understanding of CI/CD processes and experience working with products that have frequent automated builds and deployments.
• Experience working with dynamic or frequently updated test environments.
• Confident use of Jira for bug tracking.
• Understanding of SDLC and Agile methodologies.
• Strong analytical thinking and attention to detail.
• API testing experience (Postman, REST).
• SQL and database testing (SELECT, UPDATE) in PostgreSQL.
• Understanding of client-server architecture and data flow.
• English level: B1 (sufficient for work, not critical).

Nice to Have

• Experience in fast-paced or early-stage products.
• Experience improving or building QA processes from scratch.

What we offer:

• Remote work with a flexible schedule
• Competitive salary based on experience
• Paid vacation and sick leave
• Opportunities for professional growth and skill development
• Collaborative and innovative work environment

Who We Are Looking For:

An ambitious, motivated, and energetic junior sales professional with a strong interest in technology and solution-based selling. Eager to work in a fast-paced environment, take on new challenges, and contribute to closing deals in the IoT and Cloud markets. Familiarity with solar panels, inverters, battery systems, and BESS solutions is a strong advantage and will support the successful sale of our new product.

Responsibilities:

- Identifies, qualifies, and cultivates new sales opportunities through multiple mediums (email, phone, trade shows, inbound website leads, and more).

 - Maintains a high level of attention to detail managing all respective sales activities (notes, follow-ups, emails, call logs) within CRM tool.

 - Responds to inquiries via email, LinkedIn, other social networks.

 - Responsible for achieving aggressive weekly targets such as number of qualified opportunities per campaign, number of daily activities/tasks, call quality, appointment setting, and sales skills.

 - Qualifying potential opportunities and scheduling initial product presentations between prospects and our sales team.

 - Over time, Sales Manager will also be conducting product demonstrations for prospective customers and will develop into a product expert.

Requirements:

- Experience: 3+ months of experience selling into international markets (outside Ukraine) is a plus. We are also open to candidates with a technical background who are eager to grow into a sales role.

 - Education: Bachelor’s degree in industrial, engineering, or IT-related fields is a plus.

 - Skills:

• Basic understanding of IT and IoT concepts
• Strong negotiation skills with the ability to support deal progression and closing
• Hands-on experience with CRM tools or sales pipelines
• Experience in direct written communication with clients and stakeholders
• Understanding of technical solutions and implementations in the solar energy domain (e.g., solar panels, inverters, batteries, BESS)

 - Languages: English (B2–С1 level)

 - Mindset: High motivation, strong work ethic, and a results-driven approach

What We Offer:

- A fast-growing and innovative work environment

 - Competitive salary with an attractive commission model

 - Opportunities for international networking and career growth

 - Dynamic and supportive team

 - Work flexibility: Hybrid / Remote options available

Are you ready to build your career in IoT and Cloud sales

Who We Are Looking For:

An ambitious, driven, and energetic individual with a passion for sales and technology. Someone who is ready to take on challenges, work in a fast-paced environment, and close deals in the IoT and Cloud industries.

Responsibilities:

- Identifies, qualifies, and cultivates new sales opportunities through multiple mediums (email, phone, trade shows, inbound website leads, and more).

 - Maintains a high level of attention to detail managing all respective sales activities (notes, follow-ups, emails, call logs) within CRM tool.

 - Responds to inquiries via email, LinkedIn, other social networks.

 - Responsible for achieving aggressive weekly targets such as number of qualified opportunities per campaign, number of daily activities/tasks, call quality, appointment setting, and sales skills.

 - Qualifying potential opportunities and scheduling initial product presentations between prospects and our sales team.

 - Over time, Sales Manager will also be conducting product demonstrations for prospective customers and will develop into a product expert.

Requirements:

- Experience: 1+ year in sales (preferably in an international market, outside Ukraine)

 - Education: Bachelor's degree in industrial, engineering, or IT-related fields

 - Skills:

• Basic understanding of IoT, Cloud, SaaS, and PaaS
• Strong negotiation and deal-closing abilities
• Hands-on experience with CRM tools
• Experience in direct client communication and stakeholder management
• Ability to manage technical implementation or transformation programs
• Familiarity with modern cloud architectures
• Willingness to travel for exhibitions and seminars
•  - Languages: English (B2–A1 level)
•  - Mindset: High motivation, strong work ethic, and a results-driven approach
•  - Mobility: Readiness for business trips

What We Offer:

- A fast-growing and innovative work environment

 - Competitive salary with an attractive commission model

 - Opportunities for international networking and career growth

 - Dynamic and supportive team

 - Work flexibility: Hybrid / Remote options available

Are you ready to build your career in IoT and Cloud sales

Requirements:

• Proficiency with React and TypeScript for frontend development
• Strong backend development experience with Python and PostgreSQL, including schema design and migrations (SQLAlchemy + Alembic)
• Deep understanding of asynchronous programming and event-driven systems (Python async, background processing, integrations)
• Experience with workflow orchestration tools
• Hands-on experience working with Apache Airflow, including DAG's and backend integrations
• Experience in building or designing data pipelines, including orchestration, data processing and integrations (batch and/or streaming)
• Build and maintain infrastructure using Terraform, Kubernetes and Helm
• Experience deploying and operating services on Kubernetes, including maintaining Helm charts
• Ability to work highly autonomously, proactively clarify requirements and driving work forward with minimal supervision
• Strong communication skills and experience working in distributed teams

Nice-to-Have:

• Familiarity with FastAPI
• Experience with Bazel build system (training can be provided)
• Experience with CI/CD pipelines
• Prior experience in environments with limited product management and high ownership

Key Responsibilities:

• Design, build and deliver full-stack features using Python, PostgreSQL, React and TypeScript
• Take ownership of features from initial, sometimes ambiguous ideas to production, including:
• clarifying requirements and assumptions
• technical design
• implementation
• testing, deployment and monitoring
• Design and maintain integration-heavy backend services, collaborating with other teams and consuming internal API's
• Work closely with Apache Airflow pipelines (seamless integration with backend services)
• Design and implement scalable backend systems using PostgreSQL
• Proactively identify risks, dependencies and gaps in requirements, and drive solutions 
• independently
• Build and maintain infrastructure using Terraform, Kubernetes, and Helm
• Collaborate with team members in regular syncs to discuss progress, blockers and demos
• Participate in code reviews, design discussions and cross-team technical coordination

About the Project:

We’re hiring a Full-Stack Software Engineer (Python + React) to join a fast-paced, highly autonomous team. This role is ideal for an engineer who is comfortable working across the stack, passionate about writing clean and scalable code, and capable of driving features end-to-end - from design to infrastructure provisioning to production monitoring.

Engineers are trusted to make decisions, ask the right questions and deliver production-ready solutions. The work spans backend services, Airflow-driven workflows, infrastructure and frontend with a strong emphasis on building reliable, well-integrated systems that scale.

You will work closely with cross-functional teams to build new features from scratch.

Who We Are Looking For:

We are seeking a proactive and ambitious Junior Sales Manager who is passionate about technology and sales. If you are eager to learn, grow in a dynamic environment, and start your career in international B2B sales, this is a great opportunity for you!

Responsibilities:

• Research and identify potential clients in the IoT and Cloud industries.

• Reach out to prospects via email, LinkedIn, and other communication channels.

• Qualify leads and schedule introductory calls with the sales team.

• Support the sales team with CRM data entry, follow-ups, and reporting.

• Assist in preparing presentations and sales materials.

• Participate in exhibitions and industry events (optional).

Requirements:

• Experience: 6+ months in sales, lead generation, or customer-facing roles (IT industry experience is a plus).

• Education: Bachelor’s degree in Business, IT, or a related field.

• Strong communication and interpersonal skills.

• Basic understanding of IT, Cloud, and SaaS concepts.

• Willingness to learn and develop sales techniques.

• Experience with CRM tools (or readiness to learn).

• Languages: Strong English (B2 or higher).

• Self-motivated, goal-oriented, and eager to grow in sales.

What We Offer:

• Structured onboarding and mentorship from experienced sales professionals.

• Competitive salary with a performance-based bonus system.

• Opportunities for international networking and career development.

• A supportive and dynamic team environment.

Are you ready to start your sales career in the IoT and Cloud industry? Apply now!

Requirements:

• 1+ years of experience in development
• Strong knowledge of Javascript and TypeScript
• Strong knowledge of Angular
• Strong analytical and problem-solving skills
• Experience working with RxJS ,NgRx ,signals, and new angular syntax template
• Confident AI prompting, understanding of LLM principles (Context window, RAG, System prompts)
• Experience working with AI coding assistants (Cursor, Claude Code, GitHub Copilot)
• Good understanding of asynchronous and reactive programming
• Confident working with the Git version control system
• Understanding of GraphQL
• Intermediate level of English

Would be a plus:

• Experience working with React
• Experience working with Websockets
• Experience building large-scale SaaS platforms supporting millions of users.

Responsibilities:

• Build features and systems with attention to detail and performance.
• Own end-to-end development, from conception to production.
• Engineer not only solutions but also tools to understand the problem.
• Work closely with cross-functional stakeholders to deliver a world-class product.
• Identify and implement improvements to our existing systems.

About the project:

Project management platform. With the help of own API, it’s possible to do multiple integrations with communication, sales, analytics and other applications that are used by co-workers on a daily basis.

We are looking for a frontend engineer to improve the beautifully crafted product that helps millions of people to enjoy their remote work! You will be responsible to deliver production-ready functionality in a cross-functional team and will be able to reach millions of people with your best effort and working time as part of a multinational team of highly skilled developers.

Why ArboStar?

At ArboStar, we foster a dynamic and supportive work environment where creativity, collaboration, and dedication to excellence are valued. As our first dedicated Data Analyst, you will have full ownership of data processes and play a key role in shaping how data drives decisions across the company.

Responsibilities

• Collect and analyze data across internal departments (Marketing, Sales, Customer Success, Implementation) to identify growth opportunities and bottlenecks;
• Design and develop metrics and dashboards, building clear and user-friendly analytics tools to support data-driven decision-making;
• Implement and manage BI/ETL solutions: design data architecture, ensure proper data storage, processing, and integration, and maintain data quality and consistency;
• Proactively identify process improvement opportunities and help teams become faster, more transparent, and more efficient through data insights;
• Take full ownership of analytics direction as an individual contributor, establishing best practices and data standards across the company.

Requirements

• 2 years of experience in Data Analysis;
• Strong business mindset: ability to translate data into meaningful insights and actionable outcomes;
• Professional values: ownership, discipline, structured thinking, and initiative;
• Strong analytical and critical thinking skills, with the ability to structure information and communicate insights effectively;
• Ability to adapt quickly in a fast-changing environment;
• Hands-on experience with: Google Sheets, Looker Studio, SQL, Power BI;
  Willingness and ability to work independently as the sole Data Analyst in the company.
• Experience with Claude platforms

Nice to have:

• Experience with Airflow, Python, Zapier, Notion, and Google Cloud Platform (GCP) ecosystem.
• Experience with Marketing reports
   

Compensation & Benefits

• Work schedule: 9:00 AM – 5:00 PM (EST);
• 10 paid vacation days per year;
• A paid day off on your birthday or special occasion;
• Fully remote position;
• Opportunity to work in the green industry, contributing to a more sustainable planet;
• Supportive, remote-first culture focused on growth, ownership, and impact.

We are an IT company specializing in web and mobile application development. 

We are looking for a results-driven B2B Sales Manager who will take ownership of the full sales cycle — from lead generation to closing deals — and help grow our presence in international markets.

Responsibilities:

• Active lead generation in the B2B segment via Upwork, Clutch,  email outreach, LinkedIn and other platforms.
   
• Initiating first contact, conducting online meetings, and presenting company services to potential clients.
   

• Preparing personalized commercial proposals, participating in negotiations, and supporting deals until closing.

   

• Developing and executing strategies for new client acquisition and building long-term relationships.
   
• Market research, competitor analysis, and identifying new niches and opportunities.
   

• Collaborating with marketing and technical teams to create strong proposals and marketing materials.

   

• Achieving sales targets and providing regular performance reports.
  
   

Requirements:

• At least 2,5  years of experience in B2B sales in the IT industry (web / mobile development).
• English level Upper-Intermediate or higher (spoken and written communication with international clients).
• Strong skills in cold sales, negotiations, and objection handling.
• Experience working with CRM systems (e.g., HubSpot, Pipedrive).
• Experience selling outsourcing / outstaffing services.
• Experience working with US / EU clients.
• Understanding of web / mobile development process.
• Self-organization, analytical thinking, and result-oriented mindset.

We offer:

• Competitive salary based on experience
• Official cooperation as a private entrepreneur (FOP) with full support and accounting assistance
• Paid sick leave and annual leave
• Fully remote work format
• Stable workload and long-term cooperation

We're looking for Technical Support Agents to join our 24/7 support team in Kyiv. You'll work alongside a Support Shift Lead, handling inbound customer queries, coordinating with production partners to ensure smooth live event delivery, and serving as the front line for our platform.

This is an excellent opportunity for someone early in their career who is technically curious, a strong communicator, and energised by the fast-paced nature of live events. You'll learn a lot, work on real problems in real time, and play a direct role in keeping live sports on air for viewers around the world.

Responsibilities

• Respond to inbound customer queries via our ticketing system, providing timely and helpful support
• Coordinate with production partners to ensure live events are delivered smoothly and issues are resolved quickly
• Monitor live event delivery and flag issues proactively before they escalate
• Troubleshoot technical issues related to streaming, integrations, and platform access
• Document incidents, resolutions, and useful information for the team knowledge base
• Escalate complex issues to the Support Shift Lead or engineering teams as appropriate
• Participate in shift handovers, ensuring open items are clearly communicated to the incoming team
• Provide feedback on recurring issues, customer pain points, and potential improvements

Requirements

• Strong written and verbal communication skills in English
• Comfortable learning technical concepts - you don't need to be an engineer, but you should be curious and quick to pick things up
• Organised and detail-oriented, able to manage multiple queries and priorities at once
• Calm under pressure and able to think clearly during live events
• Reliable and punctual: shift-based work requires consistency
• Comfortable working rotating shifts as part of a 24/7 operation, including nights and weekends
• Team player who communicates openly and supports colleagues

Nice to Have

• Previous experience in customer support, technical support, or a help desk environment
• Interest in or familiarity with live streaming, video, or sports broadcasting
• Exposure to ticketing systems, CRMs, or support tooling
• Basic understanding of APIs, web technologies, or streaming protocols

What You'll Learn

• How live streaming platforms work at scale
• Technical troubleshooting across video delivery, APIs, and integrations
• Incident management and escalation in a live operations environment
• How to work effectively in a fast-paced, globally distributed team

About DSC Video

DSC Video is a platform-as-a-service partner delivering live streamed sports events from around the world to customers and their end consumers. Our technical support team operates around the clock to ensure seamless delivery of live content across global time zones.

We’re looking for a skilled TA specialist who enjoys working on roles that aren't straightforward. Most of our hiring focuses on senior and niche IT positions, where success depends on persistence, creativity, and strong judgment.
This role comes with real challenges — and real impact for the right person 
What you’ll work on:
• Hiring for senior and hard-to-fill IT roles 
• Running full-cycle recruitment with a focus on quality and speed 
• Working closely with hiring managers to move roles forward and unblock decisions 
• Navigating ambiguity and bringing structure into complex hiring processes 
What makes this role interesting: 
• You’ll work on roles where each hire actually matters 
• You’ll deal with real hiring challenges, not repetitive pipelines 
• You’ll have space to experiment and find your own ways to succeed 
• You’ll be trusted to manage your work without micromanagement What we expect: 
• Strong background in IT recruiting - 5+ years
• Experience with senior and niche roles 
• Ability to stay effective in fast-changing environments 
• High ownership and internal drive 
• Good judgment — knowing when to push, when to adjust, and when to rethink approach 

• Spoken English - confident B2 ot higher
  What you’ll get:
•  Fully remote setup 
•  High level of autonomy and trust 
•  Work that is challenging, not routine 
•  A team that values initiative and results

We are looking for a developer with strong experience in Rust and Python.
The project is already live: the core is written in Rust, while integrations and business logic are implemented in Python.

Responsibilities:

• Maintain and further develop an existing project (Rust + Python).
  
   
• Optimize performance and fix bugs.
  
   
• Participate in fast release cycles and bug-fixing processes.
  
   

Requirements:

• Strong Python skills (3.8+), preferably with experience in data/web libraries.
  
   
• Experience with Rust or willingness to quickly dive into it.
  
   
• Confident JavaScript knowledge.
  
   
• Experience working with data: AI / data analysis, CSV, Excel, Google Sheets.
  
   
• Understanding of multithreading, API integrations, and system-level tools.
  
   
• Ability to quickly navigate an existing codebase and solve tasks independently.
  
   

Nice to have:

• Experience with CI/CD, Docker, GitHub Actions.
  
   
• Knowledge of code security practices and secret rotation.
  
   
• Familiarity with data / fintech ecosystems (Pandas, Polars, etc.).

Suntech Innovation is a product R&D company that creates solutions for the dynamic iGaming ecosystem.
Our mission is to build cutting-edge platforms that help reinvent the iGaming industry.

Now we are looking for a Financial Operations Specialist to join our team.
 

Role Overview
In this role, you will support the stability and accuracy of the company’s financial operations processes.
You will be responsible for preparing management reporting, coordinating operational finance workflows, and ensuring financial data accurately reflects business activities in a timely manner. This position combines analytical work with hands-on operational execution and requires a detail-oriented and proactive professional who can independently manage their area of responsibility within established processes.

Key Responsibilities:

• Financial Reporting
• Prepare monthly management reports (P&L, Cashflow, Project Allocation & Costs)
• Consolidate financial data from multiple sources and ensure its accuracy and consistency
• Support budgeting and forecasting processes by preparing required financial inputs
• Structure and maintain reporting files in an organized and transparent way Identify inconsistencies in data and proactively clarify them with relevant stakeholders
• Operational Finance & Payments
• Consolidate and validate data for payroll and contractor payments
• Prepare payment-related documentation and calculations
• Coordinate with external accounting consultants to ensure correct and timely processing
• Monitor payment timelines and follow up on missing information
• Support resolution of discrepancies in payments and documentation
• Assist in communication with contractors regarding documentation and payment details
• Documentation & Compliance Manage primary documentation (agreements, invoices, acts of completed services, reports)
• Ensure completeness and accuracy of documentation before submission
• Maintain organized document flow in electronic systems (VCHASNO)
• Support compliance with internal financial procedures
• Assist with preparation of documentation for tax reporting and audits
   

Requirements:

• 2–4 years of experience in financial operations, accounting, or reporting roles
• Solid understanding of financial documentation and operational processes
• Experience preparing management reports or working with structured financial data
• Advanced Excel / Google Sheets skills (pivot tables, formulas, structured datasets)
• Strong attention to detail and accuracy
• Ability to manage tasks independently within defined processes
• Proactive approach to problem-solving (identify and escalate issues when necessary)
• Good communication skills
• English: Intermediate+
   

Will Be a Plus

• Experience in IT or project-based environments
• Experience with 1C, ZUP, or other accounting/reporting software
   

You will get:

• A position in a product development company with a dynamic environment and several concurrent projects;
• Collaboration with highly experienced professionals, including the COO and senior managers across the company
• Opportunity to contribute (your ideas for improvement implementation);
• Team of motivated professionals;
• Continuous self-improvement and growth, including certifications and courses;
• Competitive salary;
• Medical insurance coverage;
• English language courses;
• Wellbeing package: online-yoga classes, Yakaboo, BetterMe App: Health Coaching, BetterMe App: Mental Health
• Corporate events and fun team-building activities.
• Remote-first culture: we primarily work remotely but also have an office in Kyiv.

Interview Stages:

1. HR Interview (60 minutes) — Initial conversation to discuss your experience, career goals, and cultural fit.
2. Final Interview (1,5 hour) — A comprehensive discussion with the team, focusing on role-specific competencies and alignment with company values.
3. Reference check & Job Offer 

Summary

Senior Backend Engineer, Node.js, Postgres. Remote role building core platform systems for an enterprise AI product. 5+ years experience required.

About the company

Our client builds an AI platform that enables enterprises to customize and deploy AI capabilities for their specific needs. The platform team is central to this work, responsible for infrastructure, shared components, and internal tooling that the rest of engineering depends on. The team works closely with product and applied AI engineers, with short feedback loops and genuine technical ownership.

The role

This is a backend-focused engineering position working on core platform systems. You'll design and build the foundational services that AI-native products run on — dealing with architecture decisions, performance problems, data modeling, and system reliability.

The work is technically demanding. When something difficult or critical needs to be solved properly, this role is expected to lead that effort.

What you'll work on

• Designing and implementing backend services and system components end-to-end
• Building infrastructure that supports fast iteration without sacrificing reliability
• Investigating and resolving complex issues across performance, data, and APIs
• Collaborating with platform, AI, and product teams to deliver systems that are observable and maintainable
• Improving developer experience through better tooling, clearer standards, and thoughtful architecture

What we're looking for

• 5+ years of software engineering experience with JavaScript tech stack, with clear ownership of complex backend systems
• Strong Node.js proficiency- clean, well-structured backend code matters here
• Solid understanding of relational databases (PostgreSQL) and data modeling
• Good debugging instincts and sound engineering judgement
• Ability to learn new domains quickly and work independently

Useful additions

• Experience with distributed systems, caching layers, message queues, or multi-tenant architectures
• Background in AI/LLM integration on the backend
• Familiarity with AI development platforms or coding assistants
• Previous work on enterprise platforms or AI infrastructure
• Platform/infrastructure experience: observability, CI/CD, API design

Responsibilities

• Ongoing support and maintenance of customer cloud environments
• Act as main point of contact (POC) for assigned customers
• Handle monitoring, alerts, incidents, and escalations
• Execute planned activities: DR drills, restore drills, upgrades, migrations
• Support EKS clusters: updates, migrations, dependency handling
• Assist during critical launches and production incidents
• Work hands-on with AWS infrastructure using Terraform
• Use Bash and Python for automation, troubleshooting, and tooling
• Identify improvement opportunities and share insights with internal teams
• Maintain and update internal knowledge base and documentation
• Promote a strong customer experience and build long-term trust

Requirements

• 3 years of experience 
• Background in a Cloud MSP / AWS Partner environment – strong advantage
• Hands-on experience with:
  • AWS
  • Terraform
  • EKS
  • Bash and/or Python
• Experience in support / operations / maintenance roles
• Strong analytical and troubleshooting skills
• Customer-facing mindset, communicator, and promoter
• Comfortable managing multiple customers simultaneously
• Fast learner, detail-oriented
• Proven ability to work in a fast-paced support environment
• Good written and verbal communication skills in English

Our client is a travel tech startup that helps users automatically save money on flights and hotel bookings. The platform monitors booked reservations and, if the price drops, rebooks or secures a refund so users get the savings without any manual effort. The product integrates with users’ email to track bookings and works with major airlines and hotels worldwide. The company operates on a performance-based model, taking only a percentage of the savings it generates.

Requirements

Must-have skills

• Node.js — 8-10+ years of commercial experience
• Express.js — building REST APIs, middleware, routing
• MongoDB — Mongoose ODM, aggregations, indexing, query optimization
• Redis — caching, pub/sub, queues
• Testing — writing unit and integration tests (Mocha, Chai, Supertest or similar)
• Git — branching, code review, merge requests
• REST API — design and third-party integrations

Nice-to-have skills

• TypeScript — typing, migrating JS projects to TS
• GCP (Google Cloud Platform) — Cloud Run, KMS, Cloud Storage
• OpenSearch/Elasticsearch — full-text search, indexing
• REDIS — cache, queues
• Socket.io/WebSockets — real-time communication
• Gmail API / Google APIs — OAuth 2.0, email processing
• Stripe — payment integration, webhooks
• Twilio — SMS notifications
• Cheerio — HTML parsing
• Handlebars — email templating

Would be a plus

• Knowledge of queue patterns and background job processing
• Experience with Passport.js (JWT, OAuth)
• Understanding of web application security principles (OWASP)

Responsibilities

• Develop and maintain backend services on Node.js
• Write automated tests for new and existing code
• Integrate with third-party APIs (payment systems, email services, SMS)
• Optimize performance and scalability
• Work with MongoDB database, Redis storage and OpenSearch engine
• Conduct code reviews and participate in technical discussions
• Work with existing codebase, refactoring

Tech Stack

• Runtime: Node.js 22
• Framework: Express.js
• Database: MongoDB (Mongoose)
• Search: OpenSearch
• Cache: Redis
• Real-time: Socket.io
• Cloud: GCP (Cloud Run)
• Auth: Passport.js (JWT, Google OAuth 2.0)
• Payments: Stripe
• Email: Gmail API, Resend
• SMS: Twilio
• Testing: Mocha, Chai, Supertest, Sinon
• Validation: Joi, Zod
• Logging: Winston