Jobs at Djinni

We are looking for a FullStack engineer who able to create Telegram Bot infrastructure and Administrative Dashboard.
That's a part time position with possible further full time employment proposal.

We consider candidates with at least 1 year of commercial experience.

Tech skills required (expect to work with this tech stack):

JavaScript

React or Next.js

Understanding how cloud works, especially Queue services

PostgreSQL
Bot frameworks like Telegraf

Would be a bonus:

Payments integration (Stripe, or any Ukrainian provider)

CRM systems integration

Writing technical documentation

The process includes:

1. Quick chat on technical requirements with evaluation on your side.

2. 40-min interview (More extended talk on the tech task and general pre-screening).
3. Offer.

Note: we will not consider applications without previous commercial experience and without knowledge of required skills.

Meet Elbax! 
We are product company that makes projects in iGaming.

At the moment, we’re expanding and looking for a Affiliate Manager to strengthen our presence in Tier-1 markets.

Requirements:

We’re looking for a superstar Affiliate Manager (Publisher side). Sound like your jam? Here’s the scoop:
- Experience in a similar position for 1 year or more. 
- Experience with SEO traffic, Tier 1, RS, CPA, Hybrid and Flat Fee payment models.
- Knowledge of English: B2 and above.
- Finding and profitable cooperation with affiliate programs of iGaming products;
- Search for new conversion offers;
- Negotiating and agreeing favorable conditions for accepting deposits from SEO traffic;
- Control over the actual state of the offers, on which the traffic goes;
- Control of billing;
- Reporting.

Job Description

We are looking for an experienced and motivated Project Manager with a strong technical background to lead complex embedded and IoT engineering initiatives.

The successful candidate will oversee full project execution, collaborate with global stakeholders, and guide multidisciplinary engineering teams working on firmware, middleware, embedded platforms, and cloud-connected IoT systems.
This role requires a mix of strong project leadership skills, technical understanding of embedded/IoT environments, and the ability to operate within fast-paced, cross-cultural, and occasionally regulated domains.

Qualifications

Professional Experience

• 5+ years of project management experience, ideally in IoT, embedded systems, telecommunications, consumer electronics, automotive, or other high-tech domains.
• Experience working with international, distributed teams and clients is required.
• Demonstrated success delivering complex technical projects on time and within budget.

Education

• Bachelor’s or Master’s degree in Engineering, Computer Science, Electronics, Telecommunications, or a related technical field (mandatory).

Language Skills

• Fluency in English (spoken and written) is required.
• Additional languages are a plus.

Key Competencies

• Excellent communication, negotiation, conflict resolution and stakeholder management abilities.
• Ability to guide technical teams and translate business requirements into actionable plans.
• Strong organizational skills with attention to detail.
• Ability to manage team collaboration across time zones.
• Demonstrated ability to manage changes in project scope, priorities, and client organization (e.g., mergers, acquisitions, structural changes).
• Understanding of delivery and financial metrics, such as resource utilization, project margin, and timely invoicing/billing.

Key Skills – Must Have

• Proficiency in translating complex, often ambiguous, technical requirements into clear, actionable tasks and acceptance criteria.
• Experience managing Agile, Waterfall, and Hybrid project methodologies.
• Embedded/IoT project delivery experience (preferably with cross-functional teams: firmware, middleware, hardware, cloud).
• Team leadership and mentoring (including large or distributed engineering teams).
• Stakeholder Management & Executive Communication.
• Risk Management & Mitigation.
• Strong Project & Process Management skills.
• Excellent problem-solving abilities and a proactive, can-do attitude.
• Budget management at the project level.

Highly Appreciated

• Hands-on familiarity with embedded systems, firmware development, or middleware architectures.
• Understanding of wireless protocols (BLE, Zigbee, Matter, Wi-Fi), RTOS, or MCU-based systems.
• Experience in regulated industries (Automotive, Healthcare/MedTech, Industrial IoT).
• Post-graduate degree in Business Administration or similar.
• Knowledge of advanced project management tools and engineering lifecycle systems (JIRA, Confluence, Azure DevOps, etc.).

Job Responsibilities

Project Management & Execution

• Manage the full lifecycle of embedded/IoT projects — from concept to delivery.
• Ensure successful delivery of firmware, middleware, embedded platform, or device-cloud integration solutions.
• Translate product roadmaps and architectural decisions into actionable execution plans.
• Identify and resolve technical and operational risks early.
• Expected to proactively report risks and potential escalations promptly, allowing the Program Director to intervene at the second level.
• Ability to manage client expectations and assertiveness in dealing with unrealistic demands.

Team Leadership & Development

• Lead cross-functional engineering teams (firmware, hardware, cloud, QA, DevOps).
• Active management of team retention and satisfaction (e.g., through 1-on-1s, IDPs) and safeguarding Work-Life Balance, especially in high-demand periods.
• Take over existing embedded/IoT projects and ensure smooth transitions.
  Promote best practices, knowledge sharing, and delivery excellence across teams.

Stakeholder, Client & Business Management

• Maintain strong communication with internal and external stakeholders, adapting to cultural differences.
• Participate in technical and business discussions with global engineering leads and product owners.
• Travel internationally when required for client engagements and project milestones.
• Support pre-sales by providing technical and project delivery expertise for new embedded/IoT opportunities.

Department/Project Description

This role is essential for driving success across embedded/IoT programs.

You will step into leadership of established engineering teams delivering innovative solutions for next-generation connected devices, embedded platforms, and IoT ecosystems.

Your contribution will ensure strong delivery performance, technical clarity, and long-term team and project growth.

Skill Category

Management

Voalax is a performance-driven project in the dating vertical. We are looking for a Middle Media Buyer who can independently manage campaigns and take responsibility for financial results within allocated budgets.

The Media Buyer is responsible for the full traffic acquisition cycle for dating products: planning, launch, optimization, scaling, and reporting.
This role involves working with clearly defined KPIs and regular communication with management.
 

Key Responsibilities
- Plan and launch advertising campaigns in the dating vertical
- Purchase traffic via ad networks and direct deals
- Daily monitoring of spend, revenue, and core performance metrics (CPA, CPC, ARPU, ROI)
- Analyze traffic quality and improve campaign efficiency
- Conduct A/B testing of creatives, formats, and GEOs
- Scale profitable campaigns and optimize underperforming ones
- Work with tracking systems and auto-optimization tools
- Participate in developing creative hypotheses and preparing technical briefs
- Test new offers, formats, and traffic sources
- Conduct market and competitor research
- Prepare regular performance reports for management
 

Requirements
- 2+ years of experience in media buying
- Hands-on experience in Dating (adult)
- Experience working with Tier-1 / Tier-2 GEOs
- Experience with banners, push, and native formats
- Strong understanding of performance models (CPC, CPA, RTB)
- Experience implementing and maintaining tracking systems (S2S, pixels)
- Strong analytical skills; confident with Excel / Google Sheets
- Ability to manage multiple campaigns simultaneously with large budgets
- Strong focus on financial performance and cost efficiency
- Upper-Intermediate English is a plus
 

Nice to have
- Experience with retargeting
- Experience with programmatic / RTB platforms
- Experience with Social Ads (Meta)
 

Conditions
- Fully remote position
- 5/2 work schedule, results-oriented (no micromanagement)
- Fixed salary plus KPI-based bonuses
- Ready-to-use infrastructure: accounts, budgets, tools
- Technical and operational support
- Established processes and clear workflows
 

Additional Information

We are looking for candidates who can work autonomously, make data-driven decisions, and take full ownership of results within entrusted budgets.

We would be glad to welcome you to our team!

Summary
We’re a growing fintech startup seeking a Full Stack Developer with strong skills in TypeScript, React, NestJS, and PostgreSQL. You’ll work on building and improving our financial platform that simplifies complex compliance and investment workflows.

In this role, you’ll own features from backend to frontend — designing APIs, architecting scalable systems, and building intuitive user interfaces that help small businesses and individuals manage their financial goals. You’ll join a small, collaborative team that values innovation, learning, and building software that truly makes a difference.

⸻

What You’ll Do
• Design, develop, and maintain backend services using NestJS and TypeScript.
• Build modern, high-performing web interfaces with React and TanStack Query/Router.
• Architect and optimize PostgreSQL databases for performance and scalability.
• Collaborate with other developers to deliver new features and improve existing systems.
• Write clean, reusable, and testable code following modern engineering practices.
• Participate in code reviews and contribute to continuous improvement.
• Work with Git and modern development tools (including Bun) for version control and automation.
• Proactively identify opportunities to enhance product usability, performance, and reliability.

⸻

What We’re Looking For
• 4+ years of experience in full stack JavaScript/TypeScript development.
• Strong proficiency in TypeScript and React (required).
• Experience developing APIs and backend systems with NestJS or similar frameworks.
• Intermediate to advanced knowledge of relational databases (PostgreSQL required).
• Proficiency with Git (required).
• Can work Pacific (Los Angeles) Timezone
• Familiarity with TanStack Query/Router and Bun is a plus.
• Fluent in English (reading, writing, and speaking).
• Comfortable working in a remote, startup environment where adaptability and initiative matter.

⸻

You’ll Succeed Here If You…
• Enjoy solving deep technical challenges and building things from scratch.
• Think holistically about how architecture, performance, and user experience connect.
• Communicate clearly with both technical and non-technical teammates.
• Are eager to learn, share knowledge, and improve processes.
• Bring integrity, curiosity, and ownership to your work.
• Appreciate a collaborative, friendly, and meme-filled environment.

⸻

Our Culture
• We’re a startup that values family, flexibility, and balance.
• We learn fast, laugh often, and believe in honest feedback.
• We use Slack for communication — and GIFs are always welcome.
• We give you freedom to innovate — your ideas help shape our product.
• We expect integrity, excellence, and collaboration — and give the same back.
• We’re fully remote, operating primarily on a U.S. (Pacific Time) schedule.

⸻

The Project

This isn’t just a job — it’s an opportunity to build a product that redefines how financial technology works for everyday users.
We’re starting with an initial 3-month full-time engagement, with strong potential for long-term employment and growth as we expand.

⸻

The Pay

Whatever you apply to the job with(this comes from your Djinni Profile), is what we will pay you per month. So please keep that in mind/ adjust that before applying.

⸻

Hiring Process
1. Submit your application.
2. Interview with a co-founder or team leader.
3. Complete a short take-home technical project (~1.5 hours).
4. Follow-up interview if your project stands out.
5. Potential job offer.

All interviews are conducted via Google Meet.

⸻

About Us

We’re a fintech startup on a mission to simplify financial compliance and investment management for small business owners and entrepreneurs. Our goal is to turn complex regulations and data-driven workflows into seamless, intuitive software experiences.

Why Join Us?
• Innovative Tech: Work with TypeScript, React, NestJS, PostgreSQL, and more.
• Meaningful Impact: Help build tools that make financial management simpler and smarter.
• Growth Opportunities: We value initiative and create room for you to grow as we scale.

Executive Assistant

Location: Remote, PST Time Zone (6 AM - 2 PM PST)

Employment Type: Full-time

Environment: High-intensity startup environment

Overview

We are seeking a highly reliable, sharp, and execution-focused Executive Assistant to support senior leadership in a high-intensity startup environment. This role requires exceptional ownership, speed, discretion, and the ability to operate under pressure with minimal guidance.

The Executive Assistant is a trusted extension of the executive and must be comfortable with outside-of-hours availability and 24/7 responsiveness when required.

Key Responsibilities

Executive & Strategic Support

• Manage complex calendars, scheduling, and shifting priorities
• Act as a gatekeeper for communications and time-critical requests
• Prepare briefings, documents, reports, and executive summaries
• Track action items, deadlines, and strategic initiatives

Communication & Coordination

• Handle email and message triage with urgency and judgment
• Draft and send professional correspondence on behalf of the executive
• Coordinate with internal teams, partners, and external stakeholders
• Ensure fast, clear, and reliable communication flow

Availability & Responsiveness

• Maintain outside-of-hours availability as required
• Provide 24/7 responsiveness for urgent matters
• Adapt to time-sensitive requests across time zones

Operations & Execution

• Coordinate domestic and international travel and logistics
• Support special projects and ad-hoc requests with speed and accuracy
• Maintain strict confidentiality and operational discipline
• Proactively identify problems and resolve them before escalation

Skills & Tools

• Strong AI literacy: ability to use AI tools for research, drafting, summarization, and task acceleration
• Experience with productivity and collaboration tools such as Notion, Trello, Miro, Figma, Google Workspace, Slack
• Task and project tracking in fast-moving environments
• Advanced calendar and inbox management
• Strong written communication and documentation skills

Requirements

• 3+ years of experience as an Executive Assistant or similar role
• Proven experience in startup or fast-paced environments
• Excellent English (written and verbal)
• High level of discretion, judgment, and reliability
• Ability to work independently and under pressure
• Comfortable with irregular hours and high availability expectations

Preferred Qualifications

• Experience supporting founders or C-level executives
• Remote, global, or multi-time-zone work experience
• Strong prioritization and problem-solving skills

What We Offer

• Competitive compensation based on experience
• High-trust, high-impact role
• Direct exposure to leadership and decision-making
• Long-term opportunity in a fast-scaling startup
• Work with Time Tracker

Responsibilities:

· Work with the CRM system: handle initial lead communication, input information, and update lead statuses.

· Quality leads and transfer qualified leads to sales managers.

· Conduct initial client qualification based on established criteria.

· Ensure timely responses and perform follow-ups.

· Ensure timely processing of inquiries.

Requirements:

· Excellent written and spoken communication skills in English. A second language is beneficial (Spanish/Russian/Chinese/Arabic).

· Ability to manage multiple lead inquiries simultaneously.

· Solid knowledge of CRM systems.

· Patience and an eye for detail.

· Previous experience in customer support or a call center is a plus.

· Ability to work in the Eastern Time (ET) zone, 6-8 hours per day.

What We Offer:

· Comprehensive CRM training and support at every stage of your work.

· Stable salary payments.

· Full-time employment with a fully remote work format.

We are looking for a Senior C# Engineer to join the FinTech team developing a remittance and payment services platform. The project focuses on building secure and compliant systems for international money transfers, partner integrations, and automation of financial operations. We expect the new team member to be technically strong, proactive, and business-oriented, with proven experience in FinTech system development — ideally in areas such as core banking, remittance, or API-based financial integrations. You will work closely with business and operations teams to ensure efficient, accurate, and transparent financial workflows.

Details

Location: EU (The first 3 months you will remotely, after - relocate to Madrid, with onsite client support)
Employment Type: Full-time onsite in the office
Start Date: ASAP
Language Requirements: English - Fluent, Spanish - as plus

Project Description

A licensed remittance and payment services provider focused on delivering fast, secure, and compliant international transfers.
The company operates within the FinTech domain, serving global remittance corridors and integrating with multiple partners and financial institutions through API-based connectivity.

Requirements:

• 5+ years of commercial experience in backend development using C# / .NET
• Proven experience in FinTech systems — core banking, remittance platforms, payment processing - MUST
• Strong understanding of money movement, reconciliation, and transaction workflows
• Hands-on experience with RESTful APIs, partner/banking integrations, and financial automation
• Solid knowledge of SQL databases and experience with data consistency/reconciliation logic
• Experience building and maintaining scalable backend services and API-based architectures
• Understanding of security and compliance related to financial data exchange
• Ability to define and document functional and technical requirements
• Experience collaborating with business and operations teams to improve financial processes
• Excellent communication skills and a proactive, problem-solving mindset
• English B2+, Spanish - as plus

Key Responsibilities:

• Develop and maintain backend services in C#
• Build integrations with partner and banking APIs
• Automate internal operations and reconciliation processes
• Contribute to functional and technical requirements definition
• Collaborate closely with business and operations teams to optimize financial workflows

Hi 🙌

We are looking for a skilled Strong Middle DevOps Engineer with solid multi-cloud experience AWS/DO/GCP to help us build and maintain a reliable, scalable, and secure infrastructure for high-load products with high requirements for stability, performance, and security.

🛠 How You’ll Contribute:

• Infrastructure Management: Support and refactoring of existing infrastructure.
• Security First: Network security configuration (Firewalls, SSL/TLS, VPN) and application protection (Application Security/OWASP).
• Automation (IaC): Transition from manual configuration (UI) to Infrastructure as Code (Terraform/CloudFormation) approach.
• Cloud Architecture: Building reliable networks on AWS (VPC, IAM, RDS) and managing clusters in DigitalOcean (Kubernetes).
• CI/CD: Configuration and optimization of pipelines (GitHub Actions/GitLab CI) for smooth deployment.
• Performance: System monitoring and logging (Prometheus, ELK, DataDog), preparation for high load.

🎯 What Makes You a Perfect Fit:

• Experience: 4+ years in DevOps/Cloud Engineering (Strong Middle/Senior).
• Multi-cloud expertise: Solid experience with AWS (VPC, Security Groups, IAM, RDS, S3) and DigitalOcean/GCP.
• Network security: Experience in configuring Firewalls, SSL/TLS, DDoS protection, VPN.
• Containerization: Expert-level Docker and confident Kubernetes management.
• Application Security: Understanding of OWASP Top 10, vulnerability assessment, and secrets management.
• IaC & Versioning: Proven experience with Terraform and versioning infrastructure as code.
• Observability: Strong experience with Monitoring and Logging tools (Prometheus, ELK Stack, DataDog, etc.).
• Disaster Recovery: Solid understanding of Backup and Disaster Recovery strategies in production environments.
• Language: Intermediate+.

👍 Nice-to-Haves:

• Experience with Node.js/NestJS applications (understanding of deployment specifics and optimization for high loads).

• Experience working in dynamic companies or startups, readiness for rapid change, and periodic on-call support.

   

🚀 Hiring Process:

The hiring process is clear and concise. It starts with a 30–40-minute intro call with a Talent Partner - an opportunity to learn more about the project, Umber, and the team, as well as to discuss the candidate’s experience. Next comes a technical interview (~1.5 hours), a deep dive with our tech leads into Infrastructure, Security, and Automation. We’ll discuss Multi-cloud strategies (AWS/DO/GCP), IaC (Terraform), and how you approach monitoring and scaling for systems.

Your next challenge is waiting. Let’s connect, talk about the impact we can make, and see if we’re the right fit for each other!

Requirements

• 2+ years of experience in bonus management, CRM marketing, or player retention within the iGaming industry;
• Strong understanding of bonus mechanics, player segmentation, and retention metrics (FTD, ROI, LTV, ARPU);
• Proficient in Excel / Google Sheets; experience with CRM or BI systems (Optimove, Power BI, Tableau, etc.) is a plus;
• Analytical mindset with the ability to interpret data and translate insights into actionable campaigns;
• Excellent attention to detail and accuracy in managing bonus calculations and campaign logic;
• Strong communication and collaboration skills to work effectively with marketing, CRM, analytics, and product teams;
• Creative and proactive approach to problem-solving, with a focus on improving player engagement and profitability.

Responsibilities

• Develop and manage bonus and promotional campaigns aimed at increasing player engagement and retention;
• Design and implement various bonus mechanics such as deposit bonuses, cashback, free spins, missions, and loyalty rewards;
• Monitor and analyze campaign performance (activation, retention, ROI, LTV) and ensure profitability;
• Collaborate with CRM, marketing, and analytics teams to launch and optimize player-focused offers;
• Maintain and update the bonus catalog, rules, and reward logic in CRM and related systems;
• Ensure accurate bonus calculations, issuance, and reporting across all player segments;
• Research competitors’ promotions and identify opportunities for improvement or innovation;
• Prepare documentation and technical specifications for new bonus mechanics and system integrations;
• Participate in the development of retention strategy and contribute insights for player lifecycle management;
• Support audits and compliance checks related to promotional activities and player rewards;
   

We are looking for a Test Automation Engineer to join a long-term data-focused project. The role is centered on validating complex data pipelines, ensuring data quality, and automating testing for cloud-based analytics solutions built on Databricks and Azure.

Details

Start Date: ASAP

Duration: 12 months+

Location: Fully remote

Candidate Location: European Union

Language: English

Key Responsibilities

Develop and maintain automated test scripts in Databricks using Python, PySpark, and SQL

Validate JSON messages (AMQP) for structure, completeness, and accuracy

Implement data quality checks including schema validation, range checks, and anomaly detection

Validate end-to-end data flow from SCADA systems through AMQP into Databricks

Verify data transformation logic and ensure compliance with business rules

Store and document test results using Azure services (Data Lake, Blob Storage, Azure SQL)

Create dashboards and reports using Grafana or Databricks notebooks

Integrate automated tests into CI/CD pipelines using Azure DevOps

Collaborate closely with Data Engineers, SCADA specialists, and Cloud teams

Document test cases, testing procedures, and results

Requirements (Must-Have)

Strong hands-on experience with Databricks

Advanced skills in Python, PySpark

Proficiency in handling and validating JSON messages

Solid knowledge of Azure services (Data Lake, Blob Storage, Functions)

Proven experience with automated testing in cloud environments

Familiarity with CI/CD pipelines, preferably Azure DevOps

Nice to Have

Understanding of SCADA systems and renewable energy data flows

Experience working with AMQP protocols

Knowledge of telemetry / SCADA industry standards (e.g., OPC)

Experience with SQL

We are looking for a Test Automation Engineer (Professional Level) to join a long-term project for one of our enterprise clients. The role focuses on building and maintaining robust automated test solutions across backend, web, and mobile environments, with a strong emphasis on security-sensitive systems.

Details
Schedule: Full-time remote, B2B Contract

Start Date: ASAP

Duration: Until February 28, 2027

Workload: 1820 hours total

Location: EU-based (with onsite onboarding in Germany)

Language Requirements: German B2 or higher

Key Responsibilities

Design, implement, and maintain automated test frameworks and test cases

Perform API testing and validation for backend services

Execute automated tests for web and mobile applications

Conduct load and performance testing to ensure system stability

Integrate automated tests into CI/CD pipelines

Collaborate with developers, QA, and security teams to ensure high product quality

Maintain test documentation and reports in ALM tools

Requirements

Strong experience in test automation

API testing using REST Assured

Test automation using Java, TestNG, Selenium, Appium

Load & performance testing with JMeter

Experience with CI/CD pipelines (Jenkins)

Proficiency with ALM tools such as Jira and Confluence

Additional Required Skills

Solid understanding of cryptography (AES, RSA, TLS)

Experience with Mobile Client Attestation, including:

Android DVS

SafetyNet / Play Integrity API

Apple Device Attestation

Secure Enclave

Warden Supreme

Knowledge of Security & Identity Management concepts

Experience with container technologies (Docker, Kubernetes, or similar)

Nice to Have

Experience working in security-critical or regulated environments

Exposure to enterprise-scale systems and long-term projects

Familiarity with hybrid or on-site collaboration models

We are looking for an experienced Ruby on Rails Engineer to join a product-driven team working on scalable web applications with a strong focus on performance, clean architecture, and business impact. The role involves building and maintaining backend services, integrating third-party systems, and collaborating closely with frontend and product teams.

Details

• Location: Fully Remote
• Employment Type: Full-time
• Start Date: ASAP
• Language Requirements: English – Upper-Intermediate or higher
• Time Zone Overlap: At least 2–3 hours with CET / US time zones

Key Responsibilities

• Develop, maintain, and scale backend services using Ruby on Rails
• Design and implement RESTful APIs and backend business logic
• Work with relational databases, ensuring performance and data integrity
• Integrate third-party services (payments, marketplaces, external APIs)
• Collaborate with frontend developers, product managers, and QA
• Write clean, maintainable, and well-tested code
• Participate in code reviews and architectural discussions

Requirements

• 4+ years of commercial experience with Ruby on Rails
• Strong understanding of MVC architecture and Rails ecosystem
• Experience with PostgreSQL / MySQL
• Solid knowledge of REST APIs and background jobs (Sidekiq or similar)
• Familiarity with Git and modern development workflows
• Experience working in Agile/Scrum environments
• Ability to work independently in a remote setup

Nice to Have

• Experience with Hotwire / Turbo / Stimulus
• Background in marketplace or e-commerce platforms
• Experience with cloud platforms (AWS / GCP)
• Knowledge of Docker and CI/CD pipelines
• Basic frontend skills (HTML, CSS, JavaScript)

We are looking for an experienced Senior Automation QA Engineer (Java) to join a long-term banking project for a client based in the Baltics. The role combines strong technical automation skills with work on enterprise-grade, regulated systems and requires periodic on-site presence.

Details

Industry: Banking / Financial Services

Client Location: Baltics

Specialist Location: Baltics only

Employment Type: Full-time

Project Duration: Long-term

Start Date: ASAP

Language Requirements: English B2+

Work Format: Hybrid (on-site 3–8 times per month in Baltic capitals)

Key Responsibilities

Design, develop, and maintain automated test frameworks and test cases using Java

Perform automation testing for backend and integration layers

Test message-driven systems using Kafka and RabbitMQ

Execute regression, integration, and end-to-end test suites

Analyze test results, identify defects, and collaborate with developers on resolution

Ensure high quality and stability of banking systems in production

Participate in code reviews and QA process improvements

Collaborate closely with development, product, and DevOps teams

Requirements

Middle+ or Senior level experience as an Automation QA Engineer

Strong hands-on experience with Java for test automation

Practical experience with Kafka and RabbitMQ

Solid understanding of QA methodologies and automation best practices

Experience working on complex, enterprise or regulated systems (banking is a strong plus)

Ability to work in a hybrid model with regular on-site visits

English level B2 or higher

Nice to Have

Experience in banking or financial services projects

Experience with CI/CD pipelines

Experience with API testing tools and frameworks

Knowledge of containerized or cloud-based environments

Simulmedia is seeking an experienced Full Stack Engineer to join our engineering team to develop cutting-edge insights and analytics capabilities in a new CTV platform that is built from the ground up to utilize product-led growth (PLG) approach.

In this role you will work closely with product managers, designers, and data engineers to ensure seamless integration of analytics features into the platform. The ability to frequently iterate and deliver high-quality features that are owned end-to-end is crucial in this role.

Location in Ukraine is mandatory. Our offices are located in Kyiv and Lviv. Teams are located in Kyiv and Lviv and primarily work remotely with occasional offline meetings.

Key Responsibilities:

• Design and implement insights and analytics dashboards for the CTV self-service platform, providing users with actionable data to enhance their campaigns.
• Develop both frontend and backend services using React, Next.js, and TypeScript, ensuring seamless integration between components.
• Build robust, scalable APIs using tRPC to serve analytics data to the frontend application.
• Create efficient server-side rendered (SSR) or static site-generated (SSG) pages via Next.js for performance-optimized analytics displays.
• Collaborate with the designers to implement responsive and visually appealing user interfaces using Tailwind CSS, ensuring a smooth, intuitive experience for the platform’s users.
• Optimize the full stack to ensure quick load times, low-latency data fetching, and smooth user experiences, especially for data-heavy visualizations and analytics pages.
• Deploy and manage the platform using Vercel, taking advantage of its serverless functions for backend processes and ensuring efficient deployments and scaling.
• Participate in code reviews, pair programming, and knowledge-sharing sessions to ensure high-quality, maintainable code.
• Implement unit and end-to-end testing for both frontend and backend components to ensure reliability and reduce bugs in production.

Qualifications:

• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field.
• 5+ years of experience in full stack development, with a focus on web applications and data-driven platforms
• Strong proficiency in TypeScript, including strong typing and interface design for scalable codebases.
• Deep understanding of React and its ecosystem, including hooks, functional components and React Server Components (RSC).
• Proficiency in Tailwind CSS for building responsive, accessible, and aesthetically pleasing UIs.
• Experience in building data visualization tools and dashboards using React-based libraries (e.g., D3.js, Chart.js).
• Experience with SSR (Server-Side Rendering) and SSG (Static Site Generation) using Next.js, optimizing for performance and SEO.
• Proficiency in backend development (e.g. Node.js) with tRPC as an API framework.
• Experience designing and developing APIs, handling authentication, authorization, and security best practices.
• Proficiency in building scalable and reliable data-fetching layers, especially for real-time or large-scale analytics.
• Experience with serverless architectures, understanding of edge computing, and CDN usage for enhancing performance and reliability.
• Solid experience with Vercel or other serverless platforms for deployment, CI/CD pipelines, and performance monitoring.
• Experience with unit and end-to-end testing frameworks such as Vitest, Cypress/Playwright, or similar, ensuring quality and stability of applications.
• Proficiency in Git for version control, including experience with pull requests, code reviews, and branching strategies.
• Ability to work independently and collaboratively in a team environment.
• Strong communication and interpersonal skills.
• Ability to communicate effectively with the U.S.-based teams and work 11 am — 8 pm EEST.

Bonus Points for:

• Familiarity with CTV platforms or working experience in digital advertising or media analytics.
• Knowledge of SEO, accessibility, and performance optimization for web applications.

Interview process:

• Technical pre-screening (30 mins)
• Full-scale technical interview (1:15h)
• Product interview (30 mins)
• Offer.