Jobs at Djinni

About

The development team is working on building and evolving high-load backend services, with a strong focus on performance, scalability, and system reliability. The platform is developed using a microservices architecture, modern observability tools, and an event-driven approach.

Engineers actively participate in architectural decisions, code reviews, and technical initiatives, contributing directly to product development and platform quality. The team values ownership, accountability for results, and a proactive approach to improving both the system and development processes.

Core responsibilities include developing new features, optimizing existing services, integrating third-party solutions, and contributing to the evolution of the project’s architecture and technical stack.

Tech Stack

Golang, MongoDB, PostgreSQL, ClickHouse, Redis, NATS + JetStream, OpenTelemetry, GitLab CI/CD.

Responsibilities

• Write high-performance, testable, and maintainable code to implement new functionality;
• Participate in code reviews to ensure high code quality and knowledge sharing within the team;
• Integrate well-known third-party services and tools into the product;
• Participate in internal knowledge sharing within the team;
• Propose and implement technical initiatives and improvements to the product architecture.

Requirements

• 4+ years of backend development experience, including 3+ years of commercial experience with Go (Golang);
• Strong proficiency in Go and understanding of best practices for building scalable backend services;
• Experience working with microservices architecture;
• Experience developing REST APIs and/or gRPC services;
• Strong experience with SQL databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis);
• Experience working with Docker and Kubernetes;
• Experience with cloud platforms (AWS / GCP / Azure);
• Knowledge of Git and CI/CD processes;
• Experience writing tests and optimizing backend service performance;
• Understanding of event-driven architecture and messaging systems (Kafka, NATS) is a plus.

We Offer

• Work in a fast-growing international company with a strong multicultural team;
• Flexible work format: remote or from modern offices across Europe;
• Modern corporate equipment;
• Corporate health insurance;
• Learning and development opportunities: internal training, compensation for external education, conferences, and English courses;
• Referral program and a strong corporate culture with regular events and internal activities.

About 
The team is responsible for building and evolving high-load backend services, with a strong focus on performance, scalability, and system reliability. The platform is built using a microservices architecture, modern observability tools, and an event-driven approach.

As a Go Team Lead, you will be responsible for leading a team of engineers, driving technical decisions, and ensuring high-quality delivery of backend services. The role involves active participation in system architecture, code reviews, and technical planning, as well as mentoring engineers and improving development processes.

The team values ownership, accountability, and a proactive mindset. The Team Lead plays a key role in maintaining engineering standards, improving system performance, and ensuring the scalability and reliability of the platform.

Core responsibilities include leading the development of new features, optimizing existing services, coordinating technical initiatives within the team, integrating third-party solutions, and contributing to the evolution of the project’s architecture and technical stack.
 

Tech Stack

Golang, MongoDB, PostgreSQL, ClickHouse, Redis, NATS + JetStream, OpenTelemetry, GitLab CI/CD.

Responsibilities

• Leading and coordinating the daily work of a team of Go developers (Junior, Middle, Senior);
• Participating in the development and improvement of backend services, including building new features, fixing bugs, and enhancing system quality;
• Contributing to architectural and technical decisions, discussing service and system design with the engineering team;
• Ensuring code quality through code reviews and adherence to engineering standards (testing, security, maintainability);
• Taking part in the development of complex and business-critical features together with the team;
• Planning team tasks, participating in sprint planning, and distributing workload across developers;
• Monitoring development progress, identifying risks, and helping remove blockers;
• Managing technical debt and contributing to planning technical improvements of the platform;
• Collaborating closely with Product Managers, QA, DevOps, and other teams to ensure smooth and timely delivery;
• Participating in task decomposition and effort estimation;
• Conducting 1:1 meetings, mentoring engineers, and supporting their professional growth;
• Supporting team development, including involvement in hiring and onboarding new engineers;
• Maintaining transparent communication on progress, risks, and delivery status with management and stakeholders.

Requirements
5+ years of commercial experience in software development;

• 3+ years of hands-on experience with Golang;
• Proven experience in developing and maintaining distributed or microservice systems in production;
• Strong system design skills and understanding of scalable backend service architecture;
• Experience working with REST APIs and RPC (gRPC / Protobuf);
• Practical experience with databases: PostgreSQL, MongoDB, Redis;
• Experience working with messaging systems (Kafka or NATS);
• Understanding of the full Software Development Life Cycle (SDLC) and engineering best practices;
• Experience conducting code reviews, writing tests, and working with CI/CD;
• Experience working in Agile / Scrum teams;
• Experience in leadership or mentoring of developers;
• Ability to make technical decisions and guide the development team;
• Strong communication skills and experience collaborating with cross-functional teams (Product, QA, DevOps);
• Ability to explain complex technical concepts clearly to non-technical stakeholders.
  
  Benefits
• Work in a fast-growing international company with a strong multicultural team;
• Flexible work format: remote or from modern offices across Europe;
• Modern corporate equipment;
• Corporate health insurance;
• Learning and development opportunities: internal training, compensation for external education, conferences, and English courses;
• Referral program and a strong corporate culture with regular events and internal activities.

• Project Description:

  One of the world's largest providers of products and services to the energy industry has a need to develop and support enterprise information system in Oil & Gas domain.

  
  Product being developed is a cloud solution for interpretation of geological and geophysical data. Project is based on SCRUM methodology.

  
  Our project is stable, long-term and constantly adopts new technologies such as newest Java and Eclipse RCP versions, cloud and GPU computing, microservices architecture and other innovative frameworks.

  
  Work supposes close cooperation with Customer team located in Houston and following Agile principles.
  Our team is senior, supportive and friendly.

   

• Responsibilities:

  • Collaborate closely with geophysicists, data scientists, and software engineers to translate scientific domain requirements into robust on-prem or Cloud software
  solutions.
  • Design, develop, and maintain high-performance applications for geophysical and geological data analysis, interpretation and visualization (e.g., seismic, horizon,
  fault, velocity model, etc.)
  • Present architectural designs and technical proposals to the architecture review board.
  • Ability to break down development tasks and lay out clear implementation roadmaps.
  • Implement and optimize computation algorithms
  • Design and develop both thin and thick client applications that interact with cloud-based microservices.
  • Ensure high code quality through unit testing, code reviews, security hardening and continuous integration with other domain tools
  • Provide technical support and lead user troubleshooting sessions to resolve issues and ensure smooth operation of DSG application.
  • Mentor junior developers and actively contribute to architectural and implementation decisions.
  • Embrace Agile/Scrum methodologies, delivering and demonstrating working solutions at the end of each sprint
  • Stay current with emerging technologies and trends in geophysical computing and software development.

   

• Mandatory Skills Description:

  6+ years of hands-on Java development experience
  Strong Java Core knowledge
  Experience with desktop development frameworks: Swing, SWT, or Eclipse RCP
  Proven experience designing and building complex systems end-to-end, not just maintaining or extending existing ones
  Practical understanding of multithreaded programming: ability to implement concurrency in code directly, not only through third-party libraries
  Solid knowledge of design patterns and software architecture principles
  Ability to clearly articulate past projects, personal responsibilities, and concrete individual contributions
  Experience working in non-microservices, non-cloud-native development environments (desktop, embedded, or domain-specific platforms)
  Stable career trajectory, no fragmented job history with short tenures

We are looking for an experienced AdOps Manager to support and scale our monetization operations. This role sits at the intersection of revenue optimization, technical implementation, and account managers communication. 
 

You will be responsible for managing campaign execution across multiple platforms (GAM, SSPs, Prebid), optimizing yield performance, and ensuring stable and compliant ad delivery. The role requires strong technical awareness, hands-on troubleshooting skills, and the ability to translate performance data into actionable improvements.

Ability to work full-time business hours aligned with the Brazilian time zone (UTC-3)
 

Scope of Responsibility and Key Responsibilities:

• Setup, monitor, and optimize ad campaigns across multiple platforms (GAM, SSPs, Prebid, etc.) to ensure performance goals are met.
• Analyze advertising yield performance of key clients and communicate suggested improvements.
• Effectively communicate the status of campaigns, technical issues, launch delays, delivery issues, etc., to client contacts.
• Collaborate closely with internal cross-functional stakeholders to facilitate product fixes, improvements, or adjustments to ensure success in client deals.
• Configuring and managing the company’s proprietary solutions using json.
• Generate regular reporting and insights using platforms like Google Ad Manager.
• Technical validation of website performance at the page code level.
   

Background:

• 3+ years in AdOps or digital advertising, including client-facing campaign management in tech or digital advertising companies.
• Experience with Google Ad Manager/multi-SSPs configurations is required.
• Experience working with Google policy compliance, brand safety, and invalid traffic monitoring.
• Proven experience in yield optimization, floor management, and revenue troubleshooting.
• Knowledge of modern advertising technologies and the online ad landscape, including header bidding, open bidding, etc.
• Understanding and technical knowledge of digital analytics and investigation tools (Google Analytics, Web Developer Tools).

• Experience with video monetization (VAST/VPAID, outstream, CTV) is a strong advantage.

   

Test assignment

• Before the interview, a test assignment will be sent. The candidate is expected to complete it within 1–2 business days.
• During the interview stage, we will discuss the completed technical assignment, including a demonstration of the solution approaches.
  
  Why join?
• Shape the future of AI-driven dev—no micromanagement, small senior team.
• 20 vacation days + paid sick leave + 1 extra day/month.
• Up to 100% learning reimbursement.
• Laptop + home office setup support.
• Team events, no micromanagement.

Project description

We invite a talented Senior DevOps Engineer to join an exciting fintech project. If you can work under minimal supervision, you are reasonably proactive, have attention to detail, and share technical excellency values, we’ll be glad to consider you for this role. Also, you'll be a part of an international Senior level DevOps team. 

Required skills

— 5+ years of experience as a DevOps engineer on commercial projects.

— Fluent hands-on experience with Linux, Bash and Docker.

— Experience setting up and maintaining CI/CD pipelines.

— Experience with AWS ecosystem, including but not limited to EC2, ECS, EKS.

— Experience with IaC approach.

— Experience with instrumenting and monitoring production systems.

— Upper-Intermediate English level or higher (both spoken and written).

As a plus

— Previous experience working in PCI-DSS environment.

— Previous experience working in SOC2 environment.

— Experience with one or more general-purpose scripting languages (e.g., Bash, Python, Perl).

— Experience with SQL or NoSQL databases.
— Readiness to start cooperation ASAP. 
 

We offer

— Paid 24 days of vacations and 20 sick leaves per year.

— Paid participation in conferences and hackathons.

— Corporate English classes.

— Sport compensation.

— Knowledge-sharing activities like tech discussions and tech/soft skills meetups.

— Bright teambuildings and corporate events.

Interested in the given role? Please, share your CV and contacts, we'll be glad to consider you. 

Our client is innovative manufacturer of medical devices in the United States which produces a devices and software applications.

At this project, you will have a great opportunity to be involved into the full development life cycle of medical software which is intended to help individuals by processing certain information taken from medical devices to identify health trends and to track daily activities. 

Job Description

• At least 2-5 years of IT industry experience (Software Quality Assurance Engineer/Analyst/process engineer or similar position from Quality Assurance or Process Management sphere) or as a quality/certification/process/metrology specialist in other domains is a must;
• Experience in auditing/assessment of Quality Management System based on international quality management system standards (e.g. ISO 9001:2015, ISO 13485, FDA Quality System Regulation (21 CFR Part 820));
• Experience in preparation/review of product-specific lifecycle documentation intended to confirm the quality of the product;
• Good understanding of Risk Management principles and techniques (Failure Mode and Effect Analysis (FMEA), FTA and others);
• Good understanding of medical device SQA principles and related regulations: ISO 13485, IEC 62304, ISO 14971, FDA QSR Part 820, EU MDR;
• Good understanding of software V&V methodologies and software development life cycle;
• Good understanding of software testing principles;
• Ability to work with big amounts of information, produce and organize content in a logical flow;
• Strong documentation management skills, ability to review, analyze and interpret complex and complicated documents;
• Good analytical skills;
• Attention to details and being a kind of a perfectionist;
• Ability to cope with quite routine work;

English:

Upper Intermediate or higher; ability to communicate with native speakers is a must;

Would be a plus:

Deep knowledge of medical-specific standards / government regulations;

Experience in creating and verifying of IT project or QMS technical documentation (software requirements / design specifications, project plans and reports, work procedures);

Experience to work effectively cross-functionally with developer/test audience;

Technical background;

Education: bachelor's degree or higher in Engineering / metrology / quality / certification

Job Responsibilities

Leading review and approve of project documentation (such as development plans and reports, verification test plans and reports etc.), providing feedback and support team in order to ensure timely preparation and readiness of project deliverables;

Assessing project activities and deliverables against established procedures, standards and regulations (QMS for medical device software development)

Advising R&D team regarding implementation or adjustment of established processes

Work closely with engineering, product, and support teams to ensure the quality and accuracy of project deliverables

Communicating with a customer on quality assurance, process management, and documentation preparation topics

Required skills:

• 5+ years of experience in .NET/ASP.NET (Core) 6+;
•  EF (Entity Framework) Core, MediatR, SignalR;
• MS SQL Server (code-first approach), T-SQL syntax;
• Domain-Driven Design (DDD), Event-Driven Design (EDD), CQRS.

Will be a plus:

Azure Portal, Azure Service Bus, GitLab CI/CD.

Responsibilities:

•  implementation of integrations with banks based on pre-prepared research documentation;
• targeted logic updates;
• implementation of new features;

Working conditions:

• Work schedule 5/2 from 10:00 to 19:00;

• Remote work;

• We provide all the necessary tools for your successful and comfortable work;

• Learning English at the expense of the company;

• Ability to switch between projects and try yourself in different roles.

BigD is seeking a talented Project / Delivery Manager (Middle) to join our dynamic team. BigD is an iGaming operator (top brand). But that’s not all — we also have a thriving Affiliate Program, a handy Payment solution, and an AI user acquisition solution. We are a big family of over 500+ creative minds.

Responsibilities:

• Manage projects related to websites and landing pages, apps
• Coordinate work across different departments (design,marketing, development, etc.)
• Ensure tasks are delivered on time
• Gather, organize, and share information across teams
• Monitor deadlines and the quality of work
• Identify bottlenecks in processes and suggest improvements

Requirements:

• At least 2 years of experience as a Project/Delivery Manager or in a related role
• Middle-level experience (ability to work independently + understanding of processes)
• Experience with web projects (websites, landing pages, apps)
• Strong communication skills — ability to bring teams together
• Organized and accountable for results
• Experience in the gambling industry is a plus, but not required

Working conditions:
 

• Direct communication with the core TEAM
• 28 calendar days of vacation
• Paid sick leave
• Sports compensation
• Compensation for courses and training
• Day off for birthday
• Flexible work schedule
• Regular salary reviews
• Salary paid at a favorable rate
• Non-toxic work environment, free of bureaucracy
• Stable salary payment

Project description

We invite a talented Senior DevOps Engineer to join an exciting fintech project. This is a SoftPOS solution that transforms standard mobile devices and tablets into high-performance payment terminals, enabling businesses to accept secure transactions anywhere without the need for additional hardware. 
If you can work under minimal supervision, you are reasonably proactive, have attention to detail, and share technical excellency values, we’ll be glad to consider you for this role. Also, you'll be a part of an international Senior level DevOps team. 

Required skills

— 5+ years of experience as a DevOps engineer on commercial projects;

— Fluent hands-on experience with Linux, Bash and Docker

— Experience setting up and maintaining CI/CD pipelines

— Experience with AWS ecosystem, including but not limited to EC2, ECS, EKS

— Experience with IaC approach

— Experience with instrumenting and monitoring production systems

— Upper-Intermediate English level or higher (both spoken and written)

As a plus

— Previous experience working in PCI-DSS environment

— Previous experience working in SOC2 environment

— Experience with one or more general-purpose scripting languages (e.g., Bash, Python, Perl)

— Experience with SQL or NoSQL databases
— Readiness to start cooperation asap 
 

We offer

— Paid 24 days of vacations and 20 sick leaves per year

— Paid participation in conferences and hackathons

— Corporate English classes

— Sport compensation

— Knowledge-sharing activities like tech discussions and tech/ soft skills meetups

— Bright teambuildings and corporate events

Interested in the given role? Please, share your CV and contacts, we'll be glad to consider you. 

Kyivstar is looking for Azure Data Engineer (Developer) to drive different life cycles of large systems. The Data Lifecycle Engineer will have opportunity to help customers realize their full potential through accelerated adoption and productive use of Microsoft Data and AI technologies.

Requirements:

— 3+ years of technical expertise in Database development (preferably with SQL, including Azure SQL) – designing and building database solutions (tables / stored procedures / forms / queries / etc.);

— Business intelligence knowledge with a deep understanding of data structure / data models to design and tune BI solutions;

— Advanced data analytics – designing and building solutions using technologies such as Databricks, Azure Data Factory, Azure Data Lake, HD Insights, SQL DW, stream analytics, machine learning, R server;

— Data formats knowledge and the differences between them;

— Experience with Hadoop stack;

— Experience with RDBMS and/or NoSQL;

— Experience with Kafka;

— Experience with Java and/or Scala and/or Python;

— Knowledge of version control system: git or bitbucket;

— BI Tools experience (PowerBI); 

— Background in test driven development, automated testing and other software engineering best practices (e.g., performance, security, BDD, etc.);

— Docker/Kubernetes paradigm understanding;

— English – strong intermediate;

— Microsoft Certified is a plus.

Responsibility:

— Developing ETL flows based on Azure Cloud stack technology: such as Databricks, Azure Data Factory, Azure Data Lake, HD Insights, SQL DW, stream analytics, machine learning, R server;

— Troubleshooting and performance optimization for data processing flows, data models;

— Build and maintain reporting, models, dashboards.

We offer:

— A unique experience of working the most customers beloved and largest mobile operator in Ukraine;

— Real opportunity to ship digital products to millions of customers;

— To contribute into building the biggest analytical cloud environment in Ukraine;

— To create Big Data/AI products, changing the whole industry and influencing Ukraine;

— To be involved in real Big Data projects with Petabytes of data and Billions of events daily processed in Real-time;  

— A competitive salary;

— Great possibilities for professional development and career growth;

— Medical insurance;

— Life insurance;

— Friendly & Collaborative Environment.

Viso is an outsourcing company that has been on the market for 3 years. Our team has grown to about 50 people, and once again we are looking for new colleagues to join us.

Right now, we’re looking for a proactive, detail-oriented, and experienced Lead Generation Manager with at least 1 year of proven experience to help us connect with potential clients on Upwork and unlock new business opportunities.
 

💼 What you’ll do:
- Searching for and communicating with potential clients on Upwork
- Understanding the Ideal Customer Profile (ICP) and customizing offers individually for each client
- Exploring various channels and opportunities to find and qualify leads
- Conducting effective text communication with clients before the first call
- Managing text-based communication with clients until the lead is handed over to the BD team
- Responding promptly to client messages and showing initiative in communication.
- Keeping CRM updates tidy and up to date by logging key communications and next steps
- Collaborating closely with the sales team and other stakeholders to ensure high-quality lead generation
- Following processes and rules to maintain high work quality

Who we’re looking for:

🧠 Hard Skills:
- Proven experience in lead generation (1 year+), preferably with Upwork
- Ability to qualify leads effectively
- Skills in writing personalized cover letters
- Understanding of IT development processes
- English proficiency at B1+ level for written communication

🌟 Soft Skills:
- Resilience to routine tasks
- Strong attention to detail and quality
- Creativity in client approach
- High sense of responsibility
- Self-organization and discipline
- Result-oriented mindset
- High responsiveness and quick reaction speed

What we offer:

 💸 Compensation & Benefits
   - Fixed monthly rate + performance-based bonuses: you can increase your salary by reaching clear KPIs and being rewarded for your impact
- 14 paid vacation days + 5 paid sick leave days per year

- Additional days off for work anniversaries and blood donation

- Referral program
 
 🏢 Work Environment

- Remote/Hybrid/On-site format (Lviv office)

- Comfortable, modern office with coffee, snacks, and a sunny terrace
- Flexible schedule

- Access to automation tools to help you work efficiently and hit your targets

- Regular feedback and team support for solving work-related issues

- Friendly and collaborative LeadGen team ready to share knowledge and tips

- Corporate events and team activities - fun ways to bond with colleagues and enjoy a vibrant team culture

🚀 Professional Growth

- Paid English lessons; 

- Free access to Udemy and other internal & external courses - learn new skills and grow professionally at your own pace

- Daily practice through communication with international clients

📝 Hiring process:
1. Pre-Screening form
2. HR Interview 
3. Tech Interview with CEO
Yay, the offer is yours! 🥳

If you have the skills, passion, and determination we’re looking for, join our young but fast-growing company. Apply now and become part of our exciting journey! ✨

🔍 We are looking for a Marketing Analyst who will drive data-informed decision-making across performance marketing and. You will work closely with Media Buying, Creative, Product, and Leadership teams to transform marketing and product data into actionable insights that support scalable growth.

💼 The company is building a cloud gaming platform that allows users to play video games via browser, TV, or mobile device without the need for a high-performance PC. The product targets global markets and is rapidly scaling.

📍 Warsaw, office | Full-time

📌 Responsibilities:

• Build, maintain, and optimize marketing dashboards in Looker Studio (mandatory)
• Integrate and analyze data from platforms such as Triple Whale, Mixpanel, Amplitude, and advertising channels
• Work with SQL-based data exports (with transition to a dynamic database in the future)
• Write and optimize SQL queries to extract, clean, and structure data
• Analyze marketing funnel performance (acquisition → activation → retention → revenue)
• Identify growth opportunities in performance marketing and CRO
• Support A/B testing analysis and evaluate experiment results
• Provide regular insights and reports to C-level and marketing leadership
• Ensure data accuracy, consistency, and transparency across teams

✅ Requirements:

• Strong understanding of performance marketing and CRO principles
• Proven experience working with Looker Studio (required)
• Experience with Triple Whale, Mixpanel, or Amplitude
• Solid knowledge of SQL (ability to work with raw SQL exports and write queries independently)
• Experience building marketing dashboards and performance reports
• Strong analytical thinking and ability to translate data into business recommendations
• Ability to work in a fast-paced, performance-driven environment

Nice to have:

• Experience in SaaS, gaming, or subscription-based products
• Experience working with attribution models and cohort analysis
• Familiarity with unit economics (LTV, CAC, ROAS, ROMI)

🚀 What the company offers:

• Work in a product company with ambitious scaling goals
• High level of autonomy and ownership
• Competitive compensation
• Official employment
• Professional growth alongside the company’s expansion
• A results-driven team with a strong performance culture
• Office in the center of Warsaw (relocation support provided if needed)

📩 If you are passionate about turning marketing data into strategic insights and want to work at the intersection of analytics, performance, and product growth - we would be happy to receive your CV.

Viso is an outsourcing company that has been on the market for 3 years. Our team has grown to about 50 people, and once again we are looking for new colleagues to join us.

At Viso, we truly believe in our motto: “Great People Do Great Things”.
And we know that great professionals grow from strong juniors - that’s why we’re looking for a Junior Project Coordinator to support our projects delivery and team.

💼 What you’ll do:

• Support client communication: help maintain updates and ensure clear information sharing 
• Assist in tracking tasks, deadlines, and team workload
• Help the team stay organized and unblock simple issues
• Support administrative processes (time tracking, team availability, etc.)

• Participate in team meetings and help with notes, follow-ups, and coordination

   

Who we’re looking for:

🧠 Hard Skills

• Basic understanding of SDLC
• Any experience in project support, coordination, or PM internships is a plus
• Curiosity about technologies like React, Node.js, or Python - you don’t need to code, but understanding what developers do helps a lot
• Familiarity with Agile/Scrum basics or willingness to learn
• Comfort with project management tools (Jira, Trello, ClickUp) - or eagerness to get hands-on quickly

• English B1–B2 (written and spoken) - for smooth communication with clients and team

   

🌟 Soft Skills

• Good communication skills and ability to work in a team
• Responsibility and attention to detail
• Proactive mindset and willingness to learn
• Ability to stay organized and manage simple tasks
• Interest in growing into a Project Manager role
• Strong desire to learn, develop, and grow with the company

What we offer:

💸 Compensation & Benefits

• 14 working days of paid vacation and 5 working days of paid sick leave per year
• Additional days off for work anniversaries and blood donation
• Referral program

🏢 Work Environment

• Work format: Hybrid / On-site (Lviv office, Stryiska St. 108)
• Flexible schedule: start your day between 8:00 and 10:00
• Cozy office with coffee, fruits, sweets, and a sunny terrace
• Support from experienced team members and регулярний фідбек

🚀 Professional Growth

• Paid English lessons
• Daily practice through communication with international clients
• Free internal & external development courses
• Mentorship and support to grow into a Project Manager role

👤 Hiring process:

• Pre-screening form
• HR Interview
• Tech Interview with CEO

Start your career building real-world fintech products across backend and frontend.

We’re building a next-generation, regulated crypto platform focused on fiat on/off-ramps and Spot trading. This is a production-grade system - not a prototype - designed for scalability, compliance, and long-term growth.

As a Junior Full-Stack Engineer, you’ll contribute to both backend services and frontend applications, gaining hands-on experience across the entire product.

Responsibilities: 

• Assist in building backend APIs using Node.js / TypeScript
• Help develop frontend features (web dashboard / user flows)
• Integrate frontend with backend services
• Work with APIs for trading, wallets, and user data
• Fix bugs and improve existing features
• Participate in code reviews and team discussions
• Write clean, maintainable, and well-structured code

Your Role:

As a Junior Full-Stack Engineer, you will:

• Work on both backend and frontend tasks
• Support implementation of core features (auth, dashboard, transactions)
• Collaborate with designers and senior developers
• Learn best practices in scalable system design
• Gradually take ownership of small features end-to-end

Tech Stack: 

• Backend: Node.js, TypeScript
• Frontend: React (Next.js is a plus)
• Database: PostgreSQL
• Other: REST APIs, Git, basic CI/CD

Requirements:

• 0–1.5 years of experience (or strong pet projects)
• Basic knowledge of JavaScript / TypeScript
• Understanding of both backend and frontend fundamentals
• Experience with React (or similar frontend framework)
• Familiarity with REST APIs
• Basic understanding of databases
• Git knowledge
• English level: B1+

Nice to Have:

• Experience building full-stack pet projects
• Familiarity with Next.js
• Basic understanding of authentication (JWT, sessions)
• Interest in crypto / fintech
• Experience with UI libraries (e.g., Tailwind, Material UI)

We Offer

• Mentorship from senior engineers (both FE & BE)
• Flexible work format (Office / Hybrid)
• 18+4 paid days off
• MacBook Pro + modern tools
• Learning budget (courses, AI, conferences)
• Clear growth path
• Real product experience with visible impact

Hey! We're growing and looking for a sharp, proactive Lead Generation Specialist to join our team! 🚀

If you're passionate about Upwork, skilled in lead automation, and love optimizing outreach — keep reading!
 
At Lynksen, we develop human-centric digital products and help our clients grow through smart design, tech, and business strategy. Now, we’re scaling our Upwork presence — and we need a teammate who can take our lead generation to the next level.

What You’ll Be Doing:
 
✦ Generate and qualify new leads on Upwork through manual prospecting and smart automation.
✦ Monitor and fine-tune automation tools (scanners, filters, triggers, trackers).
✦ Stay ahead of Upwork algorithm updates and adapt strategy accordingly.
✦ Optimize profiles, proposals, catalogs, and saved searches for higher conversions.
✦ Write engaging, personalized outreach messages and proposal templates.
✦ Maintain and segment CRM for lead nurturing and timely follow-ups.
✦ Test and implement new tools, channels, and automation workflows.
✦ Communicate with warm leads and support early-stage sales conversations.
✦ Run A/B tests and performance analysis of scripts and outreach campaigns.
✦ Collaborate with Sales and Delivery teams on intro calls and presale coordination.
✦ Keep reports and KPIs updated, contribute insights during retrospectives.

Must-Have Skills & Experience:
 
✦ 1+ years of experience in Upwork lead generation or a similar role.
✦ Solid understanding of Upwork’s platform logic and algorithm behavior.
✦ Experience setting up and managing Gigradar or similar Upwork tools.
✦ Skilled in writing personalized proposals and cover letters.
✦ Confident in handling high workload and multitasking without losing quality.
✦ Analytical mindset — you love metrics and performance tracking.
✦ CRM experience (pipeline management, segmentation, basic reporting).
✦ Comfortable researching and qualifying leads across multiple ICPs.
✦ English — B1+ level (written and spoken).

Hiring Process:
 
✦ HR interview (30 mim).
✦ Tech interview (1 hour).
✦ Test task (no dedline).

What we offer:

✦ 8 hours working day.
✦ 21 days of paid vacation + paid national holidays.
✦ 14 days of paid sick leave.
✦ Unlimited number of days off.
✦ 50% Compensation for the cost of English courses.
✦ Up to 100% compensation for the professional courses.
✦ Corporate events.