Jobs at Djinni

working hours till 22 Kiev time !!!

Senior Node.js / TypeScript Full-Stack Engineering:

• 5+ years of overall software engineering experience, including 3–4+ years with Node.js, TypeScript, and NestJS.
• Strong experience with React/Next.js.
• Any hands-on GraphQL experience is a plus.

Distributed Backend / Event-Driven Systems:

• Production experience with Kafka / Confluent or a comparable event-streaming platform.
• Experience with microservices, async processing, message handling, retries, idempotency, and failed/unprocessable messages is highly valuable.

Engineering Quality & Testing Ownership:

• 2+ years of hands-on testing experience with Jest and Playwright/Cypress/Selenium.
• Ability to write unit, integration, and E2E tests, create test cases, automation test cases, and translate acceptance criteria into practical test coverage.

DevOps Engineer Requirements

Core Skills:

✅ 3+ years of experience in DevOps or SRE roles

✅ Strong command of Linux server administration and shell scripting

✅ Proven experience with Docker containerization and optimization

✅ CI/CD pipeline implementation experience (GitHub Actions, Jenkins, or similar)

✅ Infrastructure as Code experience (Terraform, Ansible, or similar)

Technology-Specific Requirements

1. Node.js/React:

✅ Experience deploying and maintaining Node.js applications

✅ Familiarity with React build processes and optimization

JavaScript/TypeScript ecosystem knowledge

2. Docker:

✅ Container orchestration (Docker Compose, Docker Swarm, Kubernetes, or similar)

✅ Multi-stage builds and image optimization

✅ Container security best practices

MongoDB:

✅ Cloud MongoDB management (Atlas or similar)

✅ Database backup/restore procedures

✅ Performance monitoring and optimization

Cloudflare:

✅ CDN configuration and optimization

✅ DNS management

✅ WAF and security rules implementation

OS Administration:

✅ Linux server management (Ubuntu/Debian preferred)

✅ Basic Windows server administration

✅ Cross-platform automation skills

✅ Additional Qualifications

✅ Experience with cloud providers (AWS, Azure, GCP)

✅ Monitoring and observability implementation (Zabbix, Grafana, Portainer, or similar)

✅ Security best practices and vulnerability management

✅ Incident response and troubleshooting skills

✅ Automated testing integration in deployment pipelines

About us:

We are a growing energy company building a next-generation software platform for intelligent energy management — optimizing consumption, integrating renewable sources, and delivering real-time insights to industrial and commercial clients. Our engineering team operates at the intersection of cloud infrastructure and critical energy systems, where the software we ship has a direct impact on sustainability goals and operational efficiency.

The role:

As a Middle\Senior Software Engineer, you will design and build the core backend services that power our energy management platform. You will own features end-to-end — from API design and data modelling through deployment and observability — while collaborating with frontend engineers and data teams. You are comfortable making architectural decisions and mentoring less experienced colleagues.

What you will do:

• Design, build, and maintain RESTful APIs and background services using FastAPI, SQLAlchemy, and Pydantic;
• Model and evolve relational schemas with Alembic migrations, and work with Snowflake for analytical and reporting workloads;
• Deploy containerised services to Azure using Docker and infrastructure-as-code with Bicep;
• Maintain and improve CI/CD pipelines in Azure DevOps, following Git-based collaborative workflows;
• Instrument services with OpenTelemetry for traces, metrics, and structured logs across the platform;
• Collaborate with frontend engineers (Angular / React, TypeScript) to define clean API contracts and integration patterns;
• Participate in code reviews and contribute to architectural decisions.

What we are looking for:

Required:

• 3+ years of Python backend development;
• Hands-on experience with FastAPI, SQLAlchemy, and Pydantic;
• Azure and Docker in production environments;
• CI/CD experience (Azure DevOps or similar);
• Solid relational database design and migration skills;
• Git-based team collaboration.

Nice to have:

• Snowflake or data warehouse experience;
• OpenTelemetry / observability instrumentation;
• Bicep or other IaC tools;
• Energy / utilities domain knowledge;
• TypeScript (Angular or React).

Interested in building modern user experiences with real business impact? 

We allow students and early engineers to work on a modern SaaS platform used in industrial and energy environments while learning directly from experienced product engineers. 
 

This is not a theoretical internship - you’ll contribute to real product development in an international engineering team. 
 

What You’ll Do 

• Build and improve frontend features using modern frameworks 
• Work with responsive UI components and product interfaces 
• Collaborate closely with backend engineers and designers 
• Participate in sprint planning, reviews, and technical discussions 
• Learn scalable frontend architecture and engineering practices 

Tech Stack 

• TypeScript / JavaScript 
• React 
• Next.js / Remix Run 
• GraphQL / REST APIs 
• Modern frontend tooling 
• Git workflows 

Who We’re Looking For 

• Students or recent graduates in technical fields 
• Interest in frontend engineering and product development 
• Curiosity and willingness to learn quickly 
• Strong communication and teamwork mindset 
• Comfortable communicating in English 

Nice to Have 

• Personal projects or portfolio 
• Experience with React or modern frontend frameworks 
• UI/UX interest 
• GitHub profile 
• Interest in scalable web applications 

Program Format 

• Flexible part-time structure alongside studies 
• Remote / hybrid collaboration 
• Mentorship from senior engineers 
• Real-world product development experience 

Top-performing participants may receive a full-time opportunity after the program.  You do not need previous commercial experience to apply - we are looking for people who enjoy building, learning, and solving real problems. 

We're looking for a QA tester to help us ensure the quality of websites we build.

Who We Are?
DevOut Labs is a WordPress white-label development team delivering websites for US and Europe-based marketing agencies.
More information: devoutlabs.co

Requirements:

• 1+ year of experience testing websites
• Strong understanding of web basics (HTML/CSS, responsiveness, forms, UI behavior)
• Experience working across multiple projects and switching between them is a plus.
• Ability to write bug reports and test cases (any format)
• Attention to detail and a proactive approach
• Experience with WordPress or Webflow is a plus

What you’ll be testing:

• Marketing websites, landing pages, corporate sites
• Responsiveness, speed, functionality, forms, integrations

 Conditions:

• Remote work (part-time / project-based)
• Clear task flow and responsive team

Supplax is a US-based company with a Ukrainian team. We're a fully remote back-office for repair contractors across America — handling marketing, sales, crew management, and quality control so they can focus on the work itself. 5+ years on the market, 100+ team members, 30,000+ completed projects in 30+ US cities.

We're growing our B2B partner network and looking for someone who genuinely enjoys building relationships — not just managing a contact list.

What you'll do:

— Own a portfolio of B2B partners: interior designers, general contractors across the US

— Stay proactively in touch — calls, messages — so partners think of us first when a new project comes up

— Track partner status in CRM, resolve issues quickly, gather feedback

— Spot opportunities for repeat orders and referrals from existing partners

What we're looking for:

— 1+ year in account management, B2B sales, or client service

— English B2+ spoken and written — you'll work directly with American clients

— You know how to build real trust remotely, not just send check-in emails

— Organized, can juggle multiple accounts without dropping the ball

— CRM experience

Nice to have: background in construction, renovation, or interior design / prior experience working with US clients

What you get:

— $1200–1500/mo (base + uncapped bonus)

— 100% remote — work from anywhere

— Schedule: 4 PM – 1 AM Kyiv time

— Regular English practice with a tutor — on us

— Real career growth for people who deliver results

— A team that actually supports you

If this sounds like your kind of role — apply and let's talk.

We're looking for a hands-on Salesforce Implementer to join the company's Business Applications team. Solutions are already defined — this is a build-only role: you'll implement, configure, and automate business processes in Salesforce and supporting tools, and provide day-to-day operational support to users. You'll work as an individual contributor on a team of five implementers.
 

What You'll Do:

• Implement and configure already-defined solutions in Salesforce: objects, fields, layouts, profiles, permissions, and declarative automation (Flows, validation rules)
• Build and maintain automations between business applications
• Support users on day-to-day tasks, including data fixes and troubleshooting
• Collaborate with the in-house team on requirements that are already defined, keeping stakeholders informed on progress
• Ensure best practices in database management and data quality
• Support Sales tools and business applications globally
  
  Must-Have:
• 2+ years of hands-on experience as a Salesforce implementer (declarative configuration and administration)
• Salesforce automation: Flows, validation rules, declarative development
• Salesforce data management: data fixes, Data Loader, reports, and dashboards
• Understanding of sales processes at the company and individual sales rep level
• Integration fundamentals: APIs, webhooks, syncing data between business applications
• Strong troubleshooting skills and day-to-day user support experience
• Ability to work independently; fast learner with solid self-learning abilities
• High proficiency in English; excellent communication and interpersonal skills
• Strong analytical skills and attention to detail
  
  Nice-to-Have:
• Workato (preferred), or n8n / Make.com
• Experience with NetSuite, Outreach, and HubSpot
• BSc in Industrial Engineering

About the Role

We are actively scaling our performance marketing operations through traffic acquisition and monetization.

Our Popunder + Native division is already profitable, with established processes, proven funnels, and stable traffic volumes.

 We are looking for a strong Team Lead who can take the business to the next level by scaling traffic volumes, increasing profitability, and building a highly efficient team structure.

Candidates with a combination of Ad Network and mainstream traffic experience (Meta, Google, In-App, etc.) are especially welcome. Experience in AI Dating, Companion Apps, Adult, or Dating verticals is a significant advantage.

Responsibilities

• Lead and manage a team of 4 Media Buyers focused on Popunder and Native traffic
• Scale traffic acquisition volumes and overall team profitability
• Develop and optimize Popunder funnels and Smartlink monetization strategies
• Create, launch, and oversee testing roadmaps and new growth hypotheses
• Collaborate closely with Optimization and Creative teams
• Mentor and develop Media Buyers, monitor KPIs, and drive performance improvements
• Establish strong team discipline, accountability, and transparent reporting processes
• Occasionally launch and manage campaigns hands-on when needed

Requirements

Must-Have

• Strong hands-on experience in Media Buying / Affiliate Marketing / Traffic Arbitrage
• Proven expertise with Popunder traffic
• Experience working with Adult and AI Dating / Companion verticals
• Deep understanding of advertising networks such as Clickadu, Adsterra, PropellerAds, and similar platforms
• Strong knowledge of Smartlink monetization and Popunder funnel mechanics
• Experience managing traffic volumes of at least $100k/month ($200k+/month is a strong advantage)
• Experience scaling profitable campaigns and managing teams, or a Senior Media Buyer ready to step into a leadership role

Nice to Have

• Experience with mainstream traffic sources such as Meta (Facebook), Google Ads, In-App, and similar channels
• Experience with CPA, CPI, CPL, and CPS monetization models
• Active use of AI tools for creative generation, campaign analysis, automation, and workflow optimization
• Experience across mainstream verticals

What We Offer

• Opportunity to join a company actively expanding into AI-powered products, including AI Dating, Companion Apps, and related verticals
• Competitive fixed salary (€) plus performance-based revenue share
• Unlimited bonus potential based on results
• A profitable business unit with proven funnels, established infrastructure, and an existing team
• Fully remote work environment

Who We're Looking For

We are looking for a proactive, results-driven leader with an entrepreneurial mindset and a strong sense of ownership.

The ideal candidate is someone who naturally identifies growth opportunities, knows how to scale profitable traffic operations, can lead and motivate people, establish discipline, and build efficient processes.

Strong communication, leadership skills, and a hands-on approach are critical for success in this role.

🎯 Role Overview

As a Payment Monitoring Specialist, you will be responsible for monitoring payment systems, providers, and transaction flows to ensure stable and efficient payment operations. You will quickly identify and respond to incidents, coordinate with internal teams and payment partners, and help minimize disruptions while maintaining optimal payment performance.

⚙️ Your Tasks:
 

• Monitor payment providers, transaction flows, and system statuses across platforms in real-time;
• React promptly to automated alerts and triggers if a payment provider goes down, becomes unstable, or if Approval Ratio (AR) drops;
• Promptly notify relevant departments to disable or re-enable payment methods and adjust routing rules when required to minimize downtime;
• Track, analyze, and investigate payment incidents, delays, or abnormal behavior using analytics tools;
• Communicate directly with payment providers’ support teams and internal technical teams to identify root causes of issues;
• Escalate critical incidents to internal stakeholders and management when necessary;
• Maintain clear internal records of incidents, actions taken, and resolutions (incident logging);
• Follow established operational procedures and contribute to their continuous. improvement.

👤 Our criteria:
 

• 1+ years of experience in a similar role (Payment Monitoring, Payment Support, or Fraud/Risk Operations);
• Experience in iGaming, Forex, Crypto, or similar high-load industries is a strong plus;
• Good understanding of payment systems, transaction flows, and the difference between Card processing and APMs;
• Understanding of core payment metrics, especially Approval Ratio (AR) / Conversion;
• Experience with monitoring and analytics tools (e.g., Grafana, Kibana, Tableau, Excel) will be an advantage;
• Ability to stay calm, focused, and effective in incident-driven and high-pressure situations;
• Strong communication skills in English (both written and spoken) for communicating with international PSPs.
  
  💼 Our Offer:
   
• Flexible work setup — work remotely or from the office, we focus on results, not location;
• Support for a comfortable work environment — we compensate coworking expenses and EcoFlow power stationsto help our team stay productive during power outages in Ukraine;
• Unlimited vacation and sick leave, because we trust our people to manage their time responsibly;
• Relocation support for team members who want to move;
• Regular performance-based bonuses that reward individual and team impact;
• Learning support — we cover 50% of professional courses and development programs;
• Language & wellbeing support — we cover 50% of English classes and psychological consultations;
• Career growth opportunities — we prioritize internal promotions and development;
• Team culture that actually feels like one — regular gifts, company merch, and team events throughout the year;
• Real impact — we are small enough for every voice to be heard and big enough to turn great ideas into action quickly.
   

Highkick is a fresh AI startup in the data analytics niche. Our product helps B2B teams get instant reports and insights from their data using simple, plain-English queries.

We have just launched and are looking for our first, highly autonomous BDM to drive our sales worldwide.

What you will be doing:

• Monitor, analyze, and improve key performance metrics, continuously adjusting sales approaches for better results.
• Actively identify, reach out to, and engage new prospects via LinkedIn, industry communities, and relevant online channels.
• Act as a company ambassador at major industry conferences, expos, and networking events to drive visibility and generate quality leads.
• Maintain full transparency and control of the sales funnel using CRM systems and reporting tools.
• Analyze competitors and market trends to uncover growth opportunities and sharpen the company’s market positioning.

Your background:

• English proficiency at B2+ level or higher.
• 2+ years of experience in Sales.
• Proven track record of collaborating with C-level executives.
• Readiness to represent the company at international events to strengthen market presence and foster strategic partnerships.

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

We believe the future of payments is shaped by people who think big, take ownership, and bring curiosity and drive to everything they do. That’s exactly the kind of teammates we want on board.

About the Team and Role

As a Junior Operational Analytics Specialist, you’ll work on Chargebackhit — technology that protects online businesses from fraud and chargebacks. The product is mature but runs with the energy of a startup: things evolve fast and decisions are made quickly.

This role puts you at the heart of product operations — connecting services, monitoring performance, and working with data that protects merchants in real time. It’s an ideal opportunity to kick-start your analytics career in fintech.
 

What you’ll own

— connecting, testing, and monitoring the operation of chargeback prevention services
— working with the database
— active interaction with other teams: Analytics, Sales, and Account Management
— processing analytical requests from our clients
 

You’re a great fit if you have

— Bachelor’s or Master’s degree (completed or in progress) in analytics, programming, mathematics, or a related field
— Strong command of SQL and Excel
— Analytical thinking and problem-solving mindset
— Clear, structured communication skills
— English level Upper-Intermediate (B2) or higher
 

Why Solidgate?

— No internships here — we build careers. Get hands-on from day one and make a real impact.
— Your work = real outcomes. Shape how global companies move money.
— Grow like crazy. Learn from top fintech pros and level up faster than anywhere else.
— Flex your schedule. Balance studies and work with flexible hours that fit your life.
— Enjoy the ride. A wow office in Kyiv center, daily lunches, snacks, team buildings, and a learning budget to keep you growing.
 

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

We believe the future of payments is shaped by people who think big, take ownership, and bring curiosity and drive to everything they do. That’s exactly the kind of teammates we want on board.
 

About the Role

As a Junior Business Analyst in the Account Management and Sales team, you’ll gain hands-on experience in fintech while strengthening your analytical, operational, and business skills.
This role places you at the core of client interaction and business process optimization, where every task directly contributes to Solidgate’s growth.

What you’ll own

• Analyzing sales results (Cross-sell/Up-sell), building metrics and reports, and providing recommendations to optimize team processes.
• Interacting with clients, addressing requests, and providing information about our products and services.
• Preparing presentations, documentation, and organizing meetings.
• Supporting operational processes within Account Management and Sales teams.
•  

You’re a great fit if you have

• Bachelor’s or Master’s degree (completed or in progress)
• Strong academic achievements and results
• English proficiency at Upper-Intermediate level or higher
• Excellent analytical and communication skills
• High level of responsibility and a results-driven mindset

Participation in international or academic programs (FLEX, Erasmus, CFA Research Challenge, or similar) will set you apart.

Why Solidgate?

— No internships here — we build careers. Get hands-on from day one and make a real impact.
— Your work = real outcomes. Shape how global companies move money.
— Grow like crazy. Learn from top fintech pros and level up faster than anywhere else.
— Flex your schedule. Balance studies and work with flexible hours that fit your life.
— Enjoy the ride. A wow office in Kyiv center, daily lunches, snacks, team buildings, and a learning budget to keep you growing.
 

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.

The ideal candidate has previous startup experience and is passionate about building products from the ground up. We’re looking for someone who genuinely enjoys coding, solving complex technical challenges, taking ownership, and moving fast in a high-impact environment.

About the Role

We are specifically looking for a Founding Engineer who is skilled enough to drive architecture and infrastructure decisions while remaining deeply hands-on in development.

The key requirements are a startup mindset, ownership, autonomy, and strong technical execution.

You’ll work directly with the founder on both technical and product decisions while helping to shape the company’s engineering culture and technical direction.

What You’ll Do

• Architect, prototype, and build product features from scratch.
• Develop integrations with AI platforms (OpenAI, Perplexity, etc.).
• Build integrations with 3rd-party systems and CRMs.
• Design scalable backend services and APIs.
• Work on AI agents, RAG systems, and prompt engineering.
• Design and optimize SQL databases.
• Build cloud-native infrastructure on AWS/GCP/Azure.
• Implement asynchronous task-processing patterns (RabbitMQ, SQS).
• Collaborate directly with the founder on product and business decisions.
• Help define technical standards and engineering best practices.
• Contribute to a fast-moving startup environment with high ownership.

RequirementsMust-Have

• Senior-level software engineering experience
• 1+ year of startup experience (ideally direct hire at a start up)
• 5+ years of commercial development experience
• Strong hands-on experience with:
  • TypeScript
  • Node.js
  • REST APIs
  • JSON
  • Git
• Experience building AI agents, RAG systems, or LLM-powered products
• Strong prompt engineering skills
• Experience with API integrations
• Strong SQL and database design skills
• Experience with cloud infrastructure (AWS, GCP, or Azure)
• Understanding of asynchronous systems and queues (RabbitMQ, SQS, or similar)
• Strong communication skills and product mindset
• High level of ownership and autonomy

Nice-to-Have

• Previous CTO or technical leadership experience
• Experience with n8n or Make
• Experience building SaaS products
• Experience scaling early-stage startups
• Infrastructure and architecture leadership experience

What We Offer

• Full-time engagement
• Fully remote work
• Long-term cooperation
• Founding member equity
• Opportunity to directly influence company and product strategy
• Fast personal and professional growth
• Freedom, ownership, and real responsibility
• Opportunity to grow into a future CTO role
• Modern AI-first development environment (including Cursor Agent mode)
• U.S. company contract
• Paid vacation days

Recruitment Process

1. Pre-screen with a recruitment manager
2. Pre-screen call witht the startup founder
3. Technical deep-dive interview with a small live coding session
4. Call to meet the team

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.

The ideal candidate has previous startup experience and is passionate about building products from the ground up. We’re looking for someone who genuinely enjoys coding, solving complex technical challenges, taking ownership, and moving fast in a high-impact environment.

About the Role

We are specifically looking for a Founding Engineer who is skilled enough to drive architecture and infrastructure decisions while remaining deeply hands-on in development.

The key requirements are a startup mindset, ownership, autonomy, and strong technical execution.

You’ll work directly with the founder on both technical and product decisions while helping to shape the company’s engineering culture and technical direction.

What You’ll Do

• Architect, prototype, and build product features from scratch.
• Develop integrations with AI platforms (OpenAI, Perplexity, etc.).
• Build integrations with 3rd-party systems and CRMs.
• Design scalable backend services and APIs.
• Work on AI agents, RAG systems, and prompt engineering.
• Design and optimize SQL databases.
• Build cloud-native infrastructure on AWS/GCP/Azure.
• Implement asynchronous task-processing patterns (RabbitMQ, SQS).
• Collaborate directly with the founder on product and business decisions.
• Help define technical standards and engineering best practices.
• Contribute to a fast-moving startup environment with high ownership.

RequirementsMust-Have

• Senior-level software engineering experience
• 1+ year of startup experience (ideally direct hire at a start up)
• 5+ years of commercial development experience
• Strong hands-on experience with:
  • TypeScript
  • Node.js
  • REST APIs
  • JSON
  • Git
• Experience building AI agents, RAG systems, or LLM-powered products
• Strong prompt engineering skills
• Experience with API integrations
• Strong SQL and database design skills
• Experience with cloud infrastructure (AWS, GCP, or Azure)
• Understanding of asynchronous systems and queues (RabbitMQ, SQS, or similar)
• Strong communication skills and product mindset
• High level of ownership and autonomy

Nice-to-Have

• Previous CTO or technical leadership experience
• Experience with n8n or Make
• Experience building SaaS products
• Experience scaling early-stage startups
• Infrastructure and architecture leadership experience

What We Offer

• Full-time engagement
• Fully remote work
• Long-term cooperation
• Founding member equity
• Opportunity to directly influence company and product strategy
• Fast personal and professional growth
• Freedom, ownership, and real responsibility
• Opportunity to grow into a future CTO role
• Modern AI-first development environment (including Cursor Agent mode)
• U.S. company contract
• Paid vacation days

Recruitment Process

1. Pre-screen with a recruitment manager
2. Pre-screen call witht the startup founder
3. Technical deep-dive interview with a small live coding session
4. Call to meet the team

We are a well-funded, fast-growing startup that enables publishers to create a white-label, highly customizable web store solution within 24 hours. Our platform allows publishers to offer virtual game goods for purchase, enhancing the gaming experience for their customers.

As a QA Specialist for our gaming-focused white-label solution, you will:

• Conduct thorough testing of the platform’s features and functionalities, ensuring a high-quality and bug-free experience.
• Identify, document, and report bugs and issues to the development team for resolution.
• Collaborate closely with development and product teams to uphold quality standards throughout the development process.
• Design, implement, and maintain automated test suites, primarily using Playwright, to enhance testing efficiency.
• Develop comprehensive test plans and test cases that encompass both manual and automated testing strategies.
• Participate in continuous improvement initiatives to streamline QA processes and tools.
  
   

Qualifications:

• 5 years of hands-on experience in both automated and manual QA in a Fintech company- MUST
• Proven expertise with automation tools and frameworks, specifically Playwright
• Experience testing alternative payment methods, local payment methods, wallets, or region-specific payment behavior (Apple Pay, Google Pay, etc.) - MUST
• Solid experience testing REST APIs and validating third-party integrations (webhooks, callbacks, signatures, idempotency)
• Strong UI testing experience across web applications, browsers, devices, and responsive layouts — including mobile Safari and Android Chrome.