Jobs at Djinni

Delasport — Implementing Technological Solutions Here and Now
 

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are establishing an R&D centre in Kyiv, and are looking for top talents to join our team.
 

RESPONSIBILITIES
 

• Gather required information/documents from various sources and evaluate the information for testing, provide meaningful feedback to Product Owners
• Actively participate in the payment team’s daily activities and Scrum/Kanban ceremonies
• Create and maintain detailed, comprehensive, and well-structured test cases and manage them in test suites
• Participate in test cycles organization for beta-testers
• Report and escalate release bugs and production incidents
• Create team documentation and keep up-to-date existing one
• Test and verify web applications and APIs
• Use Postman for APIs testing
• Assist the development team with providing business- and technical-related information

• Work closely with cross-functional teams, technology, and product managers, etc.

   

REQUIREMENTS
 

• 1+ years of commercial software testing experience (NOTE freelance/courses are not considered as a commercial experience)
• Excellent level of theoretical knowledge in software testing and SDLC processes
• Experience in API testing (Postman or similar tooling)
• Experience in analyzing the requirements, performing test design, executing test cases, and reporting test results
• Practical experience with testing web-based applications with API integrations
• Solid understanding of client-server model, HTTP basics, as well as JSON, XML
• Ability to perform root cause analysis using logs, dev tools, database queries etc.;
• Experience with bug tracking systems, as well as with bug report creation and verification
• Understanding Agile/Scrum methodologies
• Basic knowledge of one of the databases SQL or NoSQL

• Upper-Intermediate English level

   

WHAT WE CAN OFFER YOU
 

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health insurance with the broker which is available from the first month of cooperation
• Life insurance with the broker which is available from the first month of cooperation
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

We are looking for a motivated Junior/Middle C# developers with Azure

Our client is a multinational technology company renowned for its cutting-edge software, hardware, and services. The project is a platform that automates and orchestrates the build-out of new Azure data centers and cloud services.

Requirements:

- Strong experience with C# and .NET, with at least 4 years of experience;

- Experience with Azure cloud components;

- Hands-on experience with at least one testing framework (NUnit, TAEF, or MSTest);

- Experience in building and maintaining CI/CD pipelines;

- Solid problem-solving and troubleshooting skills;

- Good written and verbal communication skills in English;

Nice to have:

- Experience with Azure DevOps pipelines;

- Experience with Shell scripting;

Working Conditions:

- CET working hours ;

- B2B contract with paid vacation, sick leave, and public holidays;

- Supportive learning environment with mentorship from experienced developers;

- We have offices in Poland, Serbia, Kazakhstan, Georgia, and Armenia strategically located, technically well-equipped, and ready for your work.

Allowed locations for work:

Serbia, Poland, Georgia, Armenia, Kazakhstan, Egypt

Developed product is the leading software system in Energy domain covering all aspects of Oil&Gas production from geological exploration to optimization of ongoing production. Our technology solution helps geologists and geophysicists to research, visualize and interpret large volumes of geological data.

• Responsibilities:

  - Clarification and analysis of customer requirements
  - Providing consultations to the development team on Oil&Gas domain
  - Continuous and acceptance testing of the developed software

• Mandatory Skills Description:

  - Educational background in geosciences (geology or geophysics)
  - Experience with geomodeling
  - Understanding testing principles and SDLC
  - Upper-Intermediate English

• Nice-to-Have Skills Description:

  Structural and Stratigraphic modeling
  Experience writing automated test cases
  Experience with cloud computing platforms and technologies, micro-services and big data analytics

We are a group of companies that has been operating globally since 2020. We are represented on the market by several sports and casino brands. Over the past year, we have successfully doubled our scale and received the Best Sportsbook Operator award at the SiGMA Awards.

We’re building an in-house media buying team for our iGaming brand, and we’re looking for a hands-on Team Lead Media Buyer who can both run traffic personally and lead a team of junior buyers and creatives.

You’ll launch campaigns, manage execution, build internal workflows, and prepare the foundation to grow into Head of Media Buying in the next 6–9 months.

What You’ll Do

• Launch and optimize paid campaigns (FB, TikTok, Google UAC, native, push, etc.)
• Manage full cycle: creatives, funnels, tracking, scaling
• Set up and lead a team (junior buyers, designer, dev/tech support)
• Coordinate creative production and landing page optimization
• Monitor performance KPIs (FTDs, ROI, Net Gaming), adjust strategy
• Build infrastructure for scaling: tracking setup, proxy/anti-detect, account farm strategy

What We Expect

• 2+ years of hands-on media buying experience (traffic you actually launched and optimized yourself)
• Experience managing or mentoring others (even a small team)
• Deep understanding of paid traffic logic and funnel testing (not just pressing buttons)
• Experience with multiple GEOs (Tier-1/Tier-2 preferably)
• Self-starter mindset — you can build systems, not just follow them
• Comfort working in gray/white verticals (Gambling, Nutra, Betting, etc.)

Nice to Have

• Direct experience in iGaming (Casino or Betting vertical)
• Familiarity with Keitaro, Binom, RedTrack, Voluum, etc.
• Understanding of cloaking, pre-landers, anti-detect setups
• Data-driven approach to scaling and campaign structure
• Experience managing $100k+ monthly budgets

We Offer

• Full remote setup, flexible hours (as long as performance is met)
• High level of autonomy — you’ll own your team and results
• Access to tech resources (devs, creatives, product team)
• Transparent KPIs and performance bonuses
• Career path to Head of Media Buying with hiring budget and strategic influence

About the role

We're looking for a Product Manager or Product Analyst who enjoys understanding user behaviour and turning insights into measurable growth. At Applica, you'll work across a portfolio of top-performing mobile apps, designing experiments and developing strategy through research, data analysis, and clear communication.

We're a low-bureaucracy, high-ownership environment where you'll have real impact across multiple app categories. If you thrive on the ideate-test-learn cycle, this role offers the opportunity to influence product decisions that reach millions of users.

What you bring
 

Essential experience:

• 2+ years as a Product Manager or Product Analyst, ideally with mobile apps
• Hands-on experience with user research, product analytics, and A/B testing (you know how to design experiments, segment users, and actually interpret what the data is telling you)
• Track record of driving improvements in activation, retention, engagement, and subscription monetisation
• Proficiency with analytics tools like Amplitude, Mixpanel, GA4, Tableau, or Looker
• Experience with A/B testing platforms such as Firebase, Statsig, Superwall, or similar (and you know about remote config)
• Strong communication skills in English - you can tell compelling stories with data
• Solid presentation abilities and stakeholder management (you know how to get buy-in without drowning people in details)
• Experience working cross-functionally with designers, developers, and marketers
   

Nice to have:

• Project or account management experience, especially in consulting or multi-client environments
   

What we offer

Flexibility that actually works: Remote-friendly with flexible hours. Work part-time or full-time on your schedule. We care about results, not when you're online.

Low bureaucracy, high impact: Minimal meetings, no micromanagement. Just a focused team that trusts you to do great work.

Diverse portfolio: Work on top mobile apps across Health & Wellness, Education, Productivity, and more.

Learn from the best: Collaborate with senior product and growth specialists who've been there and done that.

Office options: Premium workspace available in Kyiv & Lviv if you prefer hybrid or in-person work (completely optional).

Competitive compensation: Fair salary plus the satisfaction of working on real growth problems, not vanity metrics.
 

Your typical day

• Research and discovery: Dive into market and competitor analysis to inform product direction and hypothesis creation
• Data detective work: Analyse user behaviour, segment audiences, and spot growth opportunities hiding in the numbers
• Experiment design: Generate and prioritise hypotheses for testing
• Cross-team collaboration: Work with our UX designer, product analyst, developers, and marketing team to bring experiments to life
• Storytelling: Create clear, compelling presentations to share findings with clients and internal teams
• Ownership: Manage your own workflow and priorities with full autonomy and accountability
• Client partnership: Handle client relationships and account management
• User research: Potentially conduct user research to support our product analyst
   

If this sounds like the right fit, we'd love to hear from you.

🕒 2–4 hours/week | Remote | Flexible hours

We're seeking a part-time LinkedIn specialist to help expand our brand presence through engaging posts and organic outreach. This role is ideal for someone with strong communication skills and experience managing professional LinkedIn accounts, particularly in the tech or e-commerce space.

Responsibilities:

• Create 1–2 high-quality LinkedIn posts per week
• Grow our LinkedIn network by connecting with potential clients and partners
• Maintain a consistent, professional brand tone
• Collaborate on ideas to strengthen our LinkedIn presence

Requirements:

• Experience with LinkedIn content creation and outreach
• Excellent written English
• Interest in tech or e-commerce is a plus

💰 Compensation:
$200/month + performance-based commission on leads that convert

We’re a technology company focused on creating a smart, sustainable energy system. From optimising renewable generation, creating a more intelligent grid, and enabling utilities to provide excellent customer experiences, our operating system for energy is transforming the industry around the world in a way that benefits everyone.

We build the most AI-driven, innovative, forward-thinking platform for energy management. From optimising resources to delivering cost-effective, exceptional customer experiences through advanced Customer Information Systems (CIS), billing, meter data management, CRM, and AI-driven communications, Kraken is powering the next wave of innovation in the energy industry.

We’re seeking an experienced Lead Software Engineer who has a leadership background and remains highly involved in hands-on technical work.

Requirements:

• At least 5 years of professional experience as a Software Engineer.
• Experience managing people is essential, ideally including involvement in hiring and onboarding new team members.
• Experience with Python and Django (or a similar web framework) for web development, as you’ll be contributing to full-stack projects.
• Experience in domain modelling and working with HTTP and RESTful APIs.
• Experience building robust, fault-tolerant software systems.
• Familiarity with Celery and asynchronous processing.
• Experience working with PostgreSQL (Postgres).
• Problem-solving skills and a general interest in technology are key — we’re looking for someone who is diligent, thoughtful, and curious.

Will be a plus:

• Hands-on experience with Terraform, Packer, and Consul.
• Proficiency in using React and Redux for building modern frontend applications.
• Working knowledge of GraphQL and its integration into web services.
• Background in industry or finance-focused projects at Kraken is a strong advantage; alternatively, prior involvement in the UK energy sector is highly relevant.

Responsibilities:

• Leading a team of engineers.
• This role will involve line management duties, as well as being hands-on and close to the code.
• Your team will be building and maintaining a consumer site for our clients, offering Prepay to their customers (UK-based clients).
• Your team will be responsible for understanding how the product can be expanded to other geographies and countries, as well as roadmapping, hiring, and ultimately building a more generalised solution.
• You may get involved in hiring for your team as it naturally grows, conducting interviews, marking tech challenges, making hiring decisions.
• You’ll work very closely with the Product Manager, Pearl Gillard(based in London, UK).
• We're very excited to be growing our team. We're looking for skills and experience to help shape and define the future of not only our team, but the wider business at a global scale. If you're reading this and grinning, please apply! There are huge challenges to tackle, and we need amazing people who are keen to get stuck in. If this sounds like you then we'd love to hear from you.

Required Skills:

• Possess perfect communication skills.

• High emotional intelligence, empathy and patience when dealing with customers.

• Can and enjoy explaining processes step by step and guiding customers.

• Advanced written and spoken English and French (minimum B2).

• Previous experience in customer service in the gaming or iGaming industry (preferred).

• Polished and professional telephone manners

• Flexible and adaptable.

• Disciplined with a strong work ethic.

• Ability to multi-task.

• Stress-resistant.

• Proven ability to meet and exceed targets.

Responsibilities:

• Communicate with French-speaking customers via calls (primarily), email — ensuring a smooth, personalized, and engaging user experience. Present relevant bonus offers to increase activity and satisfaction.

• Identify user needs, understand their preferences and guide them toward the most suitable offers or features.

• Check and investigate issues on the platform by simulating user actions or testing scenarios. Report and document any technical problems clearly.

• Maintain a quality control efficiency of at least 80%.

• Achieve a minimum of 80-100 calls per shift.

• Ensure call efficiency of at least 35%.

• Leverage the existing customer base provided by your team leader for effective outreach.

• Establish strong relationships with customers, gaining their trust and confidence through attentive listening and empathetic communication.

• Demonstrate a comprehensive understanding of the company's products and services, effectively presenting them to customers and highlighting their benefits.

• Address customer objections calmly and persuasively, providing clear and convincing explanations to overcome concerns and secure sales.

• Identify and refer potential VIP customers to the VIP base.

• Escalate user issues to the relevant department and coordinate with internal teams to ensure timely resolution.

• Follow up with clients to ensure issues are resolved and promotions are correctly activated or used.

• Share ideas for feature improvements, user experience enhancements, and workaround solutions with internal teams.

• Inform users about new bonuses, games, and promotions — especially those tailored to their interests.

• Gather feedback directly from players and share insights with Product, Sales, and Marketing teams to improve offerings.

• Assist in onboarding and supporting new team members with product and process training (French support focus).

• Keep clear and accurate records of calls, cases, and work outcomes in Backoffice and internal working files.

• Consistently hit and exceed service KPIs – including contact rate, conversion rate, and customer satisfaction.

• Contribute to the growth of the team by mentoring less experienced agents and sharing your best practices.

• Stay sharp and informed through regular knowledge checks and product training to ensure top performance.

General terms and conditions:

• 9 hours shifts

• 21 working days of paid vacation in a year;

• 10 working days of paid sick leave in a year;

We are looking for a skilled Magento Full-Stack Developer with hands-on experience working with Hyvä themes to join our team on a short-term basis. This is a freelance/contract role for approximately 1 month.

If you're passionate about building high-performance, user-friendly eCommerce solutions and enjoy working in a collaborative environment — we’d love to hear from you!

What you'll do:

• Develop and maintain custom Magento 2 store functionality (front-end and back-end)
• Implement responsive, modern, and accessible UIs using Hyvä themes
• Optimize performance, scalability, and security
• Collaborate with the internal team to ensure timely delivery
• Debug and resolve technical issues efficiently

Requirements:

• 3+ years of experience with Magento 2 (full-stack)
• Solid knowledge of PHP, MySQL, HTML, CSS, JavaScript
• Proven experience with Hyvä themes (portfolio or examples appreciated)
• Familiarity with Magento best practices and standards
• Experience with Git and modern development workflows
• English communication skills (spoken and written – Upper intermediate level)
•  

Nice to have:

• Experience with Docker, CI/CD pipelines
• Headless or PWA Magento experience
• Magento certifications or contributions to the open-source community

We offer:

• Short-term contract (~1 month)
• Remote and flexible working conditions
• Competitive rate
• Opportunity to work on a fast-paced, high-impact project with a skilled team

If you're available now and want to be part of a focused, results-driven project — apply today!

The fast-growing and iGaming exhilarating company Softsich is looking for an experienced Affiliate Manager to join our dynamic and collaborative team!
As an Affiliate Manager you will be a crucial part of our marketing team, responsible for developing and maintaining strong relationships with affiliate partners. Your role will involve managing and optimizing affiliate programs to drive traffic, revenue, and player acquisition for our gambling brands.

Responsibilities:
 

• Affiliate Relationship Management: Build and maintain relationships with existing affiliate partners, fostering a collaborative and mutually beneficial partnership.
• Affiliate Recruitment: Identify and onboard new affiliates to expand the affiliate network, negotiating and finalizing partnership agreements.
• Performance Monitoring: Monitor and analyze affiliate performance, ensuring they meet agreed-upon KPIs and targets.
• Commission Structuring: Develop and negotiate commission structures that align with business goals while motivating affiliates to deliver high-quality traffic.
• Campaign Management: Plan and execute marketing campaigns with affiliates to promote our gambling brands effectively.
• Reporting and Analysis: Provide regular reports and performance analysis to assess the effectiveness of affiliate campaigns and identify areas for improvement.
• Compliance: Ensure that all affiliate activities comply with industry regulations and company policies.
• Budget Management: Manage the affiliate marketing budget effectively, maximizing ROI and controlling costs.
• Conferences: As a part of Softsich team you will represent the company in all iGaming events.
• Stay Informed: Keep up-to-date with industry trends, competitor activity, and changes in the online gambling landscape.

Requirements:
 

• 2+ years of experience in affiliate marketing within the TIER1 GEOs.
• Strong understanding of online marketing, affiliate tracking, and analytics tools.
• Excellent negotiation and communication skills. That requires an advanced English level.
• Data-driven mindset with the ability to analyze and interpret affiliate performance data.
• Proven ability to meet or exceed targets and KPIs.
• We only consider Ukrainian or Russian-speaking candidates

What We Offer:
 

• A competitive salary.
• A remote work with a flexible work environment.
• An opportunity to shape the future of the iGaming industry.
• A team of passionate and dedicated professionals.

Send your CVnow to learn more!

Description

We are a cross-functional international team collaborating across the globe on a major insurance product with integrated e-billing functionality.We are seeking a skilled PostgreSQL Database Administrator (DBA) with experience in infrastructure automation tools like Terraform and Puppet to join our growing team. You will be responsible for managing, optimizing, and automating PostgreSQL database environments to ensure high availability, security, and performance.
 

Requirements

• 5+ years of proven experience as a PostgreSQL DBA or similar role.
• Strong knowledge of PostgreSQL internals, replication, and performance tuning.
• Hands-on experience with Terraform and Puppet for infrastructure as code (IaC).
• Experience with Linux-based operating systems.
• Familiarity with scripting languages such as Bash, Python, or similar.
• Knowledge of backup and recovery strategies.
• Strong problem-solving skills and attention to detail.
• Good communication and teamwork skills
• Experience with cloud platforms (AWS, Azure, GCP).
• Knowledge of containerization tools like Docker and orchestration with Kubernetes.
• Understanding of CI/CD pipelines.
   

Job responsibilities

• Administer and maintain PostgreSQL databases in production and development environments.
• Design, implement, and optimize database schemas, queries, and indexes.
• Manage database backups, recovery, and disaster recovery plans.
• Monitor database performance and implement improvements.
• Automate database provisioning and configuration using Terraform and Puppet.
• Collaborate with DevOps and development teams to streamline deployment pipelines.
• Implement security best practices, including access control and auditing.
• Troubleshoot and resolve database-related issues.
• Keep up-to-date with new PostgreSQL features and automation tools.

N-iX is looking for a talented BigData Architect to join our Technology Office team! Our client is one of Europe's fastest-growing mobile companies with almost 5  million active customers, 1,000 employees worldwide, and operations in five countries. The client is using the mobile virtual network operator business model.

Responsibilities:

• Acting as a technical thought leader and as an architect for the Data Lake platform.
• Building and extending the architecture Data platform as per the laid out guiding principles.
• Transforming High level architecture into Technical Designs.
• Transforming Functional & Non-functional requirements into designs.
• Co-ordinating with product & business teams to close the loop for requirements & include into final solution proposal.
• Assessing various available options, weighing their pros and cons, and documenting the results as an Architectural Decision Record (ADR).
• Assisting and advising the engineering teams in selecting tools and evaluating multiple providers.
• Outlining the Technical Architecture for each individual component in the system.
• Facilitating and participating in design review sessions to ensure alignment with architectural standards and best practices.

• Conducting risk assessments of new & existing technologies and implementations, ensuring compliance with security, data protection and regulatory requirements.

   

Requirements:

• At least 2 years of experience in a similar Data Architect role with minimum 10+yrs of total experience.
• Proven experience in SQL, PySpark and Python.
• Experience in architecting, designing and developing Big Data platforms.
• Proven experience in working in complex enterprise solution with terabytes of data processed daily.
• Deep understanding of architectural patterns in Big Data like data mesh, data vault, medallion.
• Experience with real-time stream processing.
• Solid experience with Architectural patterns, design reviews and usage of best practices in arriving at the right solution.
• Proven experience with technical impact assessment, assessing various options thoroughly and documenting as an Architectural Decision Record (ADR).
• Working experience of building solutions in any big data cloud technology (AWS, GCP, Azure) and platforms (Databricks, Snowflake).
• Experience in working with real-time and batch-processing architecture.
• Experience with Kubernetes, Delta Lake formatting.
• Experience to articulate the design preferences & choices to senior stakeholders using documented analytical approach.
• Familiarity with Agile working principles.
• Experience of working with tools like Lucid, JIRA, Confluence etc.
• Excellent problem-solving skills.
• Strong commitment to quality, documentation, and teamwork.
• Upper intermediate level of English.

• Ukrainian language Advanced or higher level.

   

Nice to have:

• Experience with Infrastructure as Code (Terraform, Ansible).
• Certification in architecture from Azure or AWS.
• Experience of migration from cloud to hosted Spark platform.
• Working experience with SAFE framework.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

🌎Akvelon is an American company with offices in Seattle, Mexico, Ukraine, Poland, and Serbia etc. Our company is an official vendor of Microsoft and Google. Our clients also include Amazon, Evernote, Intel, HP, Reddit, Pinterest, AT&T, T-Mobile, Starbucks, and LinkedIn. To work with Akvelon means to be connected with the best and brightest engineering teams from around the globe and working with an actual technology stack building Enterprise, CRM, LOB, Cloud, AI and Machine Learning, Cross-Platform, Mobile, and other types of applications customized to client’s needs and processes.

We are looking for skilled Senior .NET Engineers.
You will play a key role in developing and maintaining backend integrations using C# across both .NET Framework and modern .NET, supporting tools and services running on Linux and Windows platforms. You will also contribute to improving support processes by writing Technical Support Guides (TSGs), and will be responsible for providing DRI support. This role offers the opportunity to work on high-impact systems in a dynamic, cross-platform environment.

Responsibilities:

• Design, develop, and maintain scalable backend services using C# and .NET
• Automate existing manual processes to improve efficiency
• Perform bug fixes to ensure application reliability and performance
• Handle incident resolution promptly to maintain system uptime and user satisfaction
• Provision and manage Azure IaaS resources, including Virtual Machines and App Services
• Utilize Azure monitoring tools
• Ensure seamless integration with downstream data sources
• Collaborate with cross-functional teams to define software architecture and solutions

Requirements:

• 5+ years of professional experience with С#,.NET Framework & .NET (Modern)
• Experience with or ability to quickly ramp up on Azure Functions
• Knowledge of Linux operating systems, networking and debugging issues with Linux
• Knowledge of Windows OS, networking and debugging issues

Nice to Have:

• Development knowledge of Angular
• Basic familiarity with Kusto Query Language (KQL) for querying and analyzing data
• Site Reliability Engineering (SRE) experience

Overlap time requirements:

DRI shifts are expected:

• 8/7, during 9am-5pm CET Mon-Sun, public holidays are included
• 8/7, during 9am-5pm CET Mon-Fri regular business hours
• 12/7, during 9am-9pm CET Mon-Sun, public holidays are included
• 12/5, during 9am-9pm CET Mon-Fri, public holidays are excluded
• 8/5, during 9am-5pm CET Mon-Fri regular business hours

Working conditions and benefits:

• Paid vacation, sick leave (without sickness list)
• Official state holidays — 9-11 days considered public holidays
• Professional growth while attending challenging projects and the possibility to switch your role, master new technologies and skills with company support
• Flexible working schedule: 8 hours per day, 40 hours per week
• Personal Career Development Plan (CDP)
• Employee support program (Discount, Care, Health, Legal compensation)
• Paid external training, conferences, and professional certification that meets the company’s business goals
• Internal workshops & seminars

Join us and take your career to the next level!

Description of the project and team:

We are seeking a passionate and experienced Front-end Developer to join our growing team, who will play a pivotal role in shaping analytics data/Dashboards.

Expected duties are:

• Frontend Development: Work with Angular, with additional experience in React.
• API Development & Maintenance: Design, implement, and maintain APIs to support AI-powered platforms and tools.
• Database Management: Utilize and manage MongoDB and ChromaDB for handling large datasets efficiently.

Required skills and experience:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of experience as a Frontend Developer.
• Strong background in full-stack development with expertise in Angular, ideally experience with React.
• Solid experience with API design, development, and maintenance.
• High agency, self-motivation, and a hands-on approach to problem-solving. 
• Excellent communication skills and the ability to work in a fast-paced, collaborative environment.
• Fluent in English.

We are delighted to provide you with the following benefits:

• Opportunities for growth and development within the project.
• Flexibility in scheduling.
• Option to work remotely or in the office.
• Stable employment.
• Medical insurance coverage.
• Legal assistance.
• Paid time off for vacation and sick leave.

The objective of the project is to develop the backend for a decentralized finance (DeFi) aggregator that consolidates liquidity from various DeFi platforms to provide users with the best possible rates for their trades. Additionally, a fee collector smart contract will be developed to manage transaction fees, and APIs will be developed for data retrieval and transaction creation.

Requirements:
 

• 5+ years of experience in software development
• Strong experience in Java, including Java 11 or later
• Spring Framework: Proficiency in Spring Boot for developing and deploying backend services.
• Experience in designing and implementing RESTful APIs.
• Database: Knowledge of SQL databases (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB).
• Understanding of blockchain technology and smart contracts, particularly with Ethereum.
• Knowledge of secure coding practices and implementing authentication and authorization.
• Experience with integrating third-party APIs and services.
• Familiarity with unit testing frameworks (e.g., JUnit) and integration testing.
• Upper-intermediate English level proficiency

Responsibilities:
 

• Develop and Implement APIs: Create and manage APIs for interacting with DeFi platforms and internal components, including rate comparison and trade execution.
• Integrate DeFi Platforms: Integrate the backend with external DeFi platforms to aggregate liquidity and optimize trades.
• Manage Trade Execution and Transactions: Develop secure processes for executing trades and tracking transactions, including handling transaction fees and providing detailed breakdowns.
• Collaborate on Fee Collector Integration: Work with smart contract developers to integrate the fee collector smart contract into the backend system, ensuring proper fee collection and distribution.
• Optimize Performance and Ensure Security: Monitor and enhance API performance and scalability, while implementing security measures to protect data and comply with relevant regulations.

What we offer: 
 

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

Recruitment process: Recruitment interview - Technical interview