Jobs at Djinni
9440-
Β· 707 views Β· 203 applications Β· 17d
Senior Java Engineer
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateDripify is a pioneering remote-first IT product company specializing in the development of outreach automation products. We empower businesses by enhancing the efficiency and organization of their hiring, sales, and marketing communication processes. Our...Dripify is a pioneering remote-first IT product company specializing in the development of outreach automation products. We empower businesses by enhancing the efficiency and organization of their hiring, sales, and marketing communication processes. Our innovative solutions redefine the way companies approach outreach, making interactions more effective and seamless.
We are seeking a dedicated Senior Java Engineer to join our team at Dripify, a leading B2B SaaS product company.
Project β dripify.io
Sales automation platform designed for marketers, business owners, and sales teams that allows automating cold-emailing and lead generation on LinkedIn.
Here is some of what you will do:
- Build modular, maintainable backend systems using Java 21+ and Spring Boot (MVC, REST, Security, Data, Messaging).
- Design and integrate performant, concurrent services using REST APIs and asynchronous messaging via SNS/SQS.
- Write tested, reliable code with a strong emphasis on unit and integration testing and CI/CD automation.
- Apply secure coding practices
Collaborate on architecture and system design, taking full ownership of deliverables from implementation to deployment.
Requirements:
- 5+ years of hands-on Java development, with production experience in Java 21+
- Deep practical experience with Spring Boot modules
- Strong understanding of modular architectural principles and backend service decomposition
- Solid knowledge of Java concurrency and multithreaded environments
- Experience working with SQL databases (PostgreSQL preferred)
- Proficiency in RESTful API design and asynchronous messaging using SNS/SQS
- Familiarity with CI/CD pipelines and common quality gates (test coverage, static analysis, security scanning)
- Strong foundation in unit and integration testing
- Competence in Docker, Linux, and system-level debugging
- Understanding of logging and monitoring tools (e.g., ELK, Prometheus, Grafana)
- Commitment to secure development practices, including authentication, authorization, data validation, and least-privilege access
Working knowledge of AWS services, including IAM, EC2, RDS, S3, CloudWatch, and Secrets Manager
Would be a plus:
- Experience with microservices architecture β including service decomposition, data ownership, and inter-service communication patterns
- Kubernetes (EKS or self-managed)
- Infrastructure-as-Code using Terraform
- AWS Certifications (e.g., Developer Associate, Solutions Architect)
- Bachelorβs or Masterβs degree in Computer Science or a related field
Here is what we offer:
β 100% remote position, providing flexibility and work-life balance.
β Competitive salary reflecting your skills and expertise.
β 24 days of paid vacation per year to recharge and relax.
β 10 days of paid sick leave.
β Educational opportunities.
β Compensation budget for medical and hobby/sport expenses.
β Generous budget for birthdays and anniversaries.
β Online and offline team events.
β A collaborative and innovative work environment with passionate team members.Hiring process:
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β Interview with Recruiter (40min) β β Tech interview with Teach Leader (1.5 hour) β β Reference check β β Offer -
Β· 50 views Β· 1 application Β· 16d
Senior Python Developer
Hybrid Remote Β· Ukraine (Lviv) Β· 4 years of experience Β· B2 - Upper IntermediateNewsoft is looking for a Senior Python Developer to join a UK-based healthtech project that harnesses AI to transform raw health data from trackers and wearables into personalized insights. Youβll work with a modern backend stack (FastAPI, AWS, OpenAI...Newsoft is looking for a Senior Python Developer to join a UK-based healthtech project that harnesses AI to transform raw health data from trackers and wearables into personalized insights. Youβll work with a modern backend stack (FastAPI, AWS, OpenAI API) and contribute to the development of new features and the expansion of existing ones. The product is in active development with a growing team and direct communication with the English-speaking client.
Requirements:
- 3+ year of commercial software development experience
- Strong knowledge of Python
- Experience with FastAPI and SQLAlchemy
- Solid understanding of RESTful APIs and OAuth
- Experience with PostgreSQL or other relational databases
- Familiarity with Git-based workflows
- Understanding of software design principles (e.g., SOLID)
- Experience or basic knowledge of AWS services (especially Cognito, Lambda, ECS, RDS)
- Upper-intermediate level of English
Nice to Have:
- Experience with Docker
- Basic knowledge of frontend technologies (JavaScript/TypeScript, React)
- Experience working with AI APIs like OpenAI
Interview stages:
- HR interview (30 minutes)
- Technical interview (1 hour)
- Interview with the customer (1 hour)
- Job offer π
We offer:
- Competitive salary
- Challenging tasks and projects
- Opportunities for professional development and growth
- Flexible working hours
- New hardware
- Free English lessons
- Table tennis and yoga classes
- Availability of generators and Starlink in the office
- Small gym in the office
- Adjustable height tables
- Regular office fruit delivery and other benefits
Letβs create value together!
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Β· 686 views Β· 109 applications Β· 4d
Full Stack Node.js developer
Full Remote Β· Ukraine Β· Product Β· 1 year of experience Β· B2 - Upper IntermediateSkills Commercial experience in software development projects Working experience with Next.js, Node.js, React, PostgreSQL, Tailwind, Prisma Strong knowledge of JavaScript Hard-working, smart, proactive, goal oriented, open in communication, not afraid to...Skills
- Commercial experience in software development projects
- Working experience with Next.js, Node.js, React, PostgreSQL, Tailwind, Prisma
- Strong knowledge of JavaScript
- Hard-working, smart, proactive, goal oriented, open in communication, not afraid to voice your own opinion
- Willing to take part in business and design decisions and analysis
- Experience with Python - preferable
Do not hesitate to apply if you are missing specific experience.
We Offer
- WFH and flexible working hours
Requirements
- Develop new products and develop existing ones of Valid-X company.
Proactively take part in design and marketing discussions, take responsibility for products from the technology side.
Project description
- Social wiki platform website (similar to Wikipedia and Fandom)
- Tech stack: Next.js, Node.js, PostgreSQL, Prisma, Vercel
Other projects
ΠΡΠΎ ΠΊΠΎΠΌΠΏΠ°Π½ΡΡ Valid-XWe are a growing company with interesting projects, a fun work environment, great perks and flexibility. Valid-X is known for its transparent approach to software development. Check out our job openings and send us your CV.
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Β· 62 views Β· 3 applications Β· 19d
C++ Team Lead
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 7 years of experience Β· B2 - Upper IntermediateFluent Trade Technologies is a global fintech software firm at the forefront of providing state-of-the-art technology to the world's largest global banks and hedge funds. Specializing in ultra low-latency strategy and market data solutions, Fluent is...Fluent Trade Technologies is a global fintech software firm at the forefront of providing state-of-the-art technology to the world's largest global banks and hedge funds. Specializing in ultra low-latency strategy and market data solutions, Fluent is committed to delivering cutting-edge innovations to the Financial Industry. With a prominent Israeli R&D center in Jerusalem and development centers in Ukraine's Kharkiv and Dnipro, Fluent is a dynamic and collaborative environment.
Learn more about us at www.fluenttech.net.
Software Team Lead
Responsibilities:
- Be a leading developer in your team (%50 hands-on).
- Lead a development team of 2-5 strong developers, in a company creating high-end automatic financial trading systems.
- Be responsible for a project, including direct connection with the customer.
- Challenging and fascinating work environment.
Desired Skills & Experience
- 4 years or more of development experience, mainly C/C++
- Extensive Knowledge in Linux environment
- Strong Multi threading background
- Experience in software quality tools and procedures: unit testing, testability design, code review etc.
- Experienced in High performance software systems, code optimization and latency measurement.
- Basic Leadership and managerial skills:
- Experience in Effort estimation, architecture and software design
- Managed a small group of developers
- Customer oriented skills:
- Excellent English
- Experience in some customer-related skill: requirements collection, support etc.
- Experience in project management: task management, planning, pusher personality.
Advantage
- Experience in the financial industry and algorithms
- Exposure to a wide range of systems, software and libraries.
- Scripting experience (bash,python)
- Experience with customer in the US / EU
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Β· 19 views Β· 0 applications Β· 4d
Senior SRE PostgreSQL Specialist (IRC270096) to $5000
Full Remote Β· Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateJob Description Expected skills Proven experience with mission-critical/no-downtime Postgresql migrations Experience with cloud infrastructure and platforms, including AWS, Microsoft Azure, or other IaaS/PaaS providers. Proven experience working with...Job Description
Expected skills
- Proven experience with mission-critical/no-downtime Postgresql migrations
- Experience with cloud infrastructure and platforms, including AWS, Microsoft Azure, or other IaaS/PaaS providers.
- Proven experience working with containerization technologies like Docker containers and orchestration platforms like Kubernetes (including experience with Helm, Flux, Traefik, Gloo, and AKS/EKS).
- Familiar with Splunk or any similar log management technology (ELK, Dynatraceβ¦)
- Excellent written and verbal communication skills in English to collaborate effectively in a fast-paced environment.
Job Responsibilities
- Update, complete, document, and test the migration procedures to PG17. Expand those procedures to manage environmental migration. The tooling and troubleshooting tool will require working with Terraform and Kubernetes.
- Develop Splunk and Grafana dashboards for auditing, visualizations, and effective monitoring of the migration.
Department/Project Description
The βReduce TMC Variantsβ project
This project aims to migrate all Talend legacy environments to Qlik-managed environments. This project implies migrating PostgreSQL databetween AWS accounts between AWS accounts, ideally with no downtime. The goal of this project is to modernize and document the current operational processes. This includes moving to the last major version of RDS Postgresql.
The SRE Role
Join Qlik teams responsible for operating mission-critical components and applications in production as a Site Reliability Engineer (SRE).
Your foundational contributions will empower global R&D teams to deliver highly scalable, efficient, observable, and resilient micro-services, supporting mission-critical use cases for thousands of high-profile customers worldwide. As part of our technological evolution, your work will shape the growth and success of our cloud ecosystem.
The teams
We are looking for a contractor to support PostgreSQL 17 upgrades and backend migration
What makes this mission interesting?
- Implement robust migration process: Update the tools and the solutions to let Qlik migrate the PG databases to PG17 and also migrate the legacy environment to the Qlik targets (AWS RDS cross account migration). All databases are AWS RDS-managed.
- All the tooling is primarily based on Kubernetes and managed with ArgoCD. RDS instances and some tooling (PG exporters...) are deployed with Terraform. You will use day to day industry standard tools
- Global Collaboration and Expertise: Collaborate with a talented and diverse team of international experts across a wide range of technologies.
- Mission-critical product: Upholding the availability, scalability, and reliability of a widely used and popular SaaS application
- Expand Your Tech Skillset: You will gain exposure to a variety of cutting-edge technologies while solving challenging problems and broadening your skillset.
- Collaborative Development: Collaborate with engineering teams to deliver scalable and reliable services.
- DevOps / SRE culture: Develop and advocate for cloud-based optimization strategies and best practices.
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Β· 173 views Β· 1 application Β· 4d
Team Lead Back-end Developer (Node.js) to $10500
Office Work Β· Poland, Serbia Β· Product Β· 8 years of experience Β· B2 - Upper IntermediateThe international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and...The international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!We are looking for a skilled Team Lead Back-end Developer (Node.js)
β Responsibilities:
βοΈ Being transparent with the team about challenges, failures, and successes
βοΈ Hiring and training technical personnel
βοΈ Determining project requirements and developing work schedules for the team
βοΈ Delegating tasks and achieving daily, weekly, and monthly goals
βοΈ Liaising with team members and management to ensure projects are completed to standard
βοΈ Motivating staff and creating a space where they can ask questions and voice their concerns
βοΈ Delegating work and assignments to team members
βοΈ Collaborating with their team to identify and fix technical problems
βοΈ At least upper -Intermediate lvl of English
And for Developer part:
βοΈ In-house platform development
βοΈ 3rd party API integrations
βοΈ Actively participate in developing new features from scratch
β Requirements:βοΈ At least 8+ years of experience, 3+ years in leadership
βοΈ Excellent technical, diagnostic, and troubleshooting skills
βοΈ Strong leadership and organizational abilities
βοΈ Knowledge of JavaScript and the ECMAScript 6 standards
βοΈ 3+ years of commercial experience with Node.js
βοΈ 5+ years of commercial experience in web development
βοΈ Commercial experience of working with DB
βοΈ Commercial experience of implementing the REST and WebSockets
βοΈ Experience of GIT version control system
βοΈ Experience with databases MySQL
βοΈ Experience with RabbitMQ
βοΈ Experience with Redis
β Nice to Have:
βοΈ Experience with TypeScriptβ We offer excellent benefits, including but not limited to:
π§π»βπ» Learning and development opportunities and interesting challenging tasks;
ποΈββοΈ Company fitness corner in the office for employees;
π Opportunity to develop language skills and partial compensation for the cost of language classes;
π Birthday celebration present;
π Time for proper rest and 24 working days of Annual Vacation;
π² Breakfasts and lunches in the office (partially paid by the company).
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Β· 312 views Β· 6 applications Β· 4d
Senior Node.js Developer to $8000
Office Work Β· Poland Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateThe software development company and digital solutions provider. The company has created over 65 cutting-edge products spanning 20 different markets. Our team of around 1 200 tech-savvy professionals successfully deliver scalable projects that are...The software development company and digital solutions provider. The company has created over 65 cutting-edge products spanning 20 different markets.
Our team of around 1 200 tech-savvy professionals successfully deliver scalable projects that are custom-made to the customersβ needs.
We also strive to create a culture centered around personal and professional growth for employees, in a positive and welcoming environment.
We are looking for a skilled Senior Node.js Developer
β Requirements:
βοΈStrong knowledge of JavaScript and the ECMAScript 6 standards
βοΈ3+ years of commercial experience with Node.js
βοΈ5+ years of commercial experience in web development
βοΈCommercial experience working with high-loaded SQL or NO SQL databases
βοΈCommercial experience in implementing the REST, GraphQL, and WebSockets
βοΈUnderstanding of the TDD principles and experience in writing tests
βοΈUnderstanding of microservice architecture principles
βοΈExperience with GIT version control system
βοΈExperience with RabbitMQ
βοΈExperience with Redis
βοΈExperience with databases MongoDB, MySQL
βοΈAt least an Intermediate lvl of English
β Will be a plus:
βοΈ2+ years of hands-on experience developing CI/CD/Micro Services architecture/Containers
βοΈExperience with Kubernetes,
βοΈExperience with Nats
βοΈExperience with TypeScript
β Duties and opportunities:
βοΈIn-house platform development
βοΈ3rd party API integrations
βοΈActively participate in developing new features from scratch
β We offer excellent benefits, including but not limited to:
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βοΈWorking with the latest technologies (Nest, Kubernetes, mongo, graphQL, MySQL, etc)
π§π»βπ»Learning and development opportunities and interesting challenging tasks;
ποΈββοΈ Company fitness corner in the office for employees;
π Opportunity to develop language skills and partial compensation for the cost of language classes;
π Birthday celebration present;
π Time for proper rest and 24 working days of Annual Vacation;
π² Breakfasts and lunches in the office (partially paid by the company). -
Β· 227 views Β· 10 applications Β· 4d
Senior Full Stack Developer (Node.js and React) to $7000
Office Work Β· Portugal, Serbia Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateThe international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and...The international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!We're looking for a Senior Full Stack Developer with experience in Node.js and React
β Requirements:
βοΈ 5+ years of commercial experience in web development;
βοΈ 3+ years of commercial experience with Node.js;
βοΈ 3+ years of commercial experience as an FE (React) engineer;
βοΈ Experience with NextJS, NestJS, Apollo, Material;
βοΈ Experience with TypeScript;
βοΈ Commercial experience with high-loaded SQL or NoSQL databases;
βοΈ Experience with REST, GraphQL, WebSockets;
βοΈ Understanding of TDD principles and writing tests;
βοΈ Understanding of microservice architecture principles;
βοΈ Experience with Git version control system;
βοΈ Experience with RabbitMQ;
βοΈ Experience with Redis;
βοΈ Experience with MongoDB, MySQL databases;
βοΈ At least an upper-intermediate level of English.β Will be a plus
βοΈ2+ years of hands-on experience developing CI/CD/Micro Services architecture/Containers;
βοΈExperience with Kubernetes and Docker;
βοΈExperience with Queue brokers(RabbitMQ, Apache, etc.)β Duties and opportunities
βοΈIn-house platform development;
βοΈ3rd party API integrations;
βοΈActively participate in developing new features from scratch;
βοΈWork with own fintech solution;
βοΈBi-weekly sprints, SCRUM, grooming, planning.β We offer excellent benefits, including but not limited to:
βοΈWorking with the latest technologies (Nest, Kubernetes, mongo, graphQL, MySQL, etc)
π§π»βπ»Learning and development opportunities and interesting challenging tasks;
ποΈββοΈ Company fitness corner in the office for employees;
π Opportunity to develop language skills and partial compensation for the cost of language classes;
π Birthday celebration present;
π Time for proper rest and 24 working days of Annual Vacation;
π² Breakfasts and lunches in the office (partially paid by the company). -
Β· 581 views Β· 27 applications Β· 4d
Senior Front-End Developer (Angular 15) to $6000
Office Work Β· Poland Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateThe international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal. Here, everything moves at rocket speed: driving innovation, pioneering projects, and...The international software development and digital solutions company driven by 1,300 talented professionals across Cyprus, Poland, Bulgaria, Serbia and Portugal.
Here, everything moves at rocket speed: driving innovation, pioneering projects, and fast-tracking careers.
Together, we turn ideas into actionβletβs get started!
β Requirements:
βοΈA minimum of 5 years commercial experience in web development.
βοΈAt least 3 years of commercial experience with Angular 2+ (we are using Angular 15).
βοΈProficiency with Typescript.
βοΈFamiliarity with testing frameworks and test runner frameworks such as Jest.
βοΈExperience consuming REST APIs.
βοΈClear understanding of SOLID/GRASP principles, client-side architecture, and design patterns.
βοΈAwareness of cross-browser compatibility issues and client-side performance considerations.
βοΈExceptional learning skills, problem-solving, and ability to work independently.
βοΈSolid understanding and extensive experience with tools like Git, npm, Webpack, Babel, and Linters.
βοΈIntermediate level of English.β Would be a plus:
βοΈExperience in working with Nx framework.
βοΈExperience in working with TypeScript AST and writing code modifiers.
βοΈExperience with GitLab CI.
βοΈExperience in working with Docker, NGINX, and NodeJS.
βοΈStrong product eye & understanding of typical web UX.
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β Responsibilities:
βοΈDevelop a complex iGaming platform using Angular 15 and Typescript.
βοΈWrite high-quality, scalable, testable, and high-performant code.
βοΈParticipate in software system testing and validation procedures, programming, and documentation.
βοΈPotentially lead assigned projects, including assigning tasks, coordinating efforts, and monitoring performance.
βοΈProvide technical advice and assist in solving programming problems.
βοΈPerform code reviews and provide feedback to ensure code quality. -
Β· 250 views Β· 31 applications Β· 26d
Junior PHP Developer to $1500
Full Remote Β· Worldwide Β· Product Β· 0.5 years of experienceDescription Artigaming is expanding its team and looking for a Junior PHP Developer to join our product team in the iGaming sphere. We build innovative solutions with no unnecessary bureaucracy, value initiative, and support a healthy team...Description
Artigaming is expanding its team and looking for a Junior PHP Developer to join our product team in the iGaming sphere. We build innovative solutions with no unnecessary bureaucracy, value initiative, and support a healthy team environment.
Requirements:
β 1+ year of commercial experience with PHP 7+ / 8
β Basic knowledge of OOP principles and SOLID
β Experience working with Yii2 framework
β Understanding of REST APIs and integrations
β Familiarity with MySQL (basic queries, joins)
β Basic experience with Git (clone, commit, merge, branching)
β Familiarity with debugging tools (Xdebug, Postman)
β Basic understanding of Agile/Scrum workflowsResponsibilities:
β Develop and maintain backend logic using PHP and modern frameworks
β Work with relational databases and write optimized SQL queries
β Develop RESTful API endpoints
β Collaborate with Senior Developers on project architecture
β Participate in sprints and daily team meetings
β Follow internal coding standards and best practicesWould be a plus:
β Experience with Docker, Apache2
β Understanding of composer and dependency management
β Basic knowledge of HTML/CSS
β Familiarity with CI/CD pipelines
β Experience with Redis, RabbitMQWhat we offer:
β Flexible schedule and remote-friendly work
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β No micromanagement
β Paid sick leaves and vacations
β Corporate English classes
β Friendly, non-toxic team
β Opportunities for learning and development -
Β· 98 views Β· 24 applications Β· 13 August
Senior/Lead Java Engineer
Full Remote Β· Ukraine Β· 4 years of experience Β· B1 - IntermediateDescription About Project: Comprised of the Companyβs international business units and various direct-to-consumer streaming services, Media & Entertainment Distribution department aligns technology, media distribution and advertising sales into a single...Description
About Project:
Comprised of the Companyβs international business units and various direct-to-consumer streaming services, Media & Entertainment Distribution department aligns technology, media distribution and advertising sales into a single business segment to create and deliver personalized entertainment experiences to consumers around the world.
GL team will be concentrated on building AdTech platform for our customer.
About Company:
Leading diversified international family entertainment and media enterprise with the following business segments: media networks, parks and resorts, studio entertainment, consumer products and interactive media.
Requirements
- Shifted working hours till 10-11 PM Kyiv time
- 4+ years of professional software development experience
- Proficiency in server-side programming languages, especially Java
- Professional experience with Java based web services and RESTful framework, and both relational and non-relational database platforms
- Experience with large scale distributed system architecture
- Ability to trace through various services and determine root cause when issues occur
- Knowledge of Software Development Lifecycle and Agile Development/Testing practices and methodologies
- Familiarity with CI/CD methodologies
- Experince with Cloud Services (AWS)
- Excellent communication and collaboration skills
- Strong teamwork ethic, with demonstrated ability to work independently as well as a team-focused approach towards software development
- Ability to lead small projects and platform initiatives
Responsibilities
- Work as part of a team
- Participate in stand-ups and other sprint meetings
- Design and implement new solutions
- Optimize and enhance existing services
- Document changes and new features
- Perform code reviews
- Deliver code with thorough automated testing
- Mentor junior team members
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Β· 290 views Β· 94 applications Β· 3d
Middle/Senior QA engineer (back-end testing)
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 4 years of experience Β· B2 - Upper IntermediateFAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment. We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable...FAVBET Tech develops software that is used by millions of players around the world for the international company FAVBET Entertainment.
We develop innovations in the field of gambling and betting through a complex multi-component platform which is capable to withstand enormous loads and provide a unique experience for players.
FAVBET Tech does not organize and conduct gambling on its platform. Its main focus is software development.Main areas of work:
- Betting/Gambling Platform Software Development β software development that is easy to use and personalized for each customer;
- Highload Development β development of highly loaded services and systems;
- CRM System Development β development of a number of services to ensure a high level of customer service, effective engagement of new customers and retention of existing ones;
- Big Data β development of complex systems for processing and analysis of big data;
- Cloud Services β we use cloud technologies for scaling and business efficiency.
Requirements:
- 2-4 years of professional experience as QA
- Proven experience in manual testing
- Solid understanding of the Software Development Life Cycle (SDLC) and the Software Testing Life Cycle (STLC).
- Web Testing: Basic understanding of HTML, CSS, and browser dev tools (e.g., Chrome DevTools) to inspect elements, analyze network traffic, and validate issues on web applications.
- Mobile Testing: Familiarity with testing mobile applications (Android/iOS).
- Cross-Platform Testing: Knowledge of testing across different platforms (e.g., web, mobile, desktop).
- Regression Testing: Experience in performing regression tests after code updates.
Technical Skills:
- Manual Testing: Ability to write test cases, perform exploratory testing, identify bugs, and document defects clearly.
- Bug Tracking Tools: Proficiency in using tools like Jira to log and manage defects.
- Databases: Basic knowledge of SQL queries to perform data validation, and check data integrity in databases.
- API Testing: Familiarity with tools like Postman, Swagger, RestAssured for testing APIs.
- Experience with test management tools to plan, document, and manage test cases, such as: Zephyr.
- Familiarity with Continuous Integration (CI) and Continuous Deployment (CD) concepts.
Soft Skills:
- Strong analytical and problem-solving skills.
Responsibilities:
- Analyze requirements and create detailed test cases and scenarios based on business and functional specifications.
- Perform functional, regression, and exploratory testing on the application.
- Cross-platform testing.
- Identify, document, and track defects with clear reproduction steps using tools like Jira.
- Verify bug fixes and ensure no new issues are introduced.
- Work closely with developers, product managers, and other teams to ensure thorough test coverage and clear communication.
- Maintain test cases, logs, and provide regular status reports on test execution and defects
We offer:
- 30 days off per year (vacation and sick days) β we value rest and recreation. We also comply with the national holidays.
- Medical insurance for employees and the possibility of training employees at the expense of the company and gym membership.
- Remote work; after Ukraine wins the war β our own modern lofty office with spacious workplace, and brand-new work equipment (near Pochaina metro station).
- Flexible work schedule β we expect a full-time commitment but do not track your working hours.
- Flat hierarchy without micromanagement β our doors are open, and all teammates are approachable.
During the war, the company actively supports the Ministry of Digital Transformation of Ukraine in the initiative to deploy an IT army and has already organized its own cyber warfare unit, which makes a crushing blow to the enemyβs IT infrastructure 24/7, coordinates with other cyber volunteers and plans offensive actions on its IT front line.
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Β· 24 views Β· 1 application Β· 4d
Technical Lead β Blockchain Infrastructure
Full Remote Β· EU Β· 6 years of experience Β· B2 - Upper IntermediateWe are looking for a Technical Lead to spearhead the design, development, and advancement of our core services powering blockchain-based applications. This position requires a strong combination of technical leadership, hands-on engineering, and team...We are looking for a Technical Lead to spearhead the design, development, and advancement of our core services powering blockchain-based applications. This position requires a strong combination of technical leadership, hands-on engineering, and team management. Youβll guide a skilled team in building scalable, secure backend systems while also playing an active role in defining architecture and writing code.
Key Responsibilities
Technical Leadership:
- Design and implement core backend services for blockchain applications, including APIs, messaging systems, identity/auth, wallet integration, storage, and data services.
- Define and enforce engineering best practices and coding standards.
- Drive architectural decisions in collaboration with senior engineers and stakeholders.
- Stay abreast of blockchain trends and translate those into strategic opportunities for the team.
Team Management:
- Provide direct line management to a team of engineers: hiring, performance management, mentoring, and career development.
- Foster a culture of accountability, continuous learning, and engineering excellence. Balance resource allocation across development, support, and innovation initiatives.
Cross-functional Collaboration:
- Work closely with Solution, DevOps, and Security teams to align technical capabilities with business needs.
- Translate product requirements into actionable technical plans.
- Champion communication and transparency between technical and non-technical stakeholders.
Hands-On Contribution:
- Spend a significant portion of your time writing and reviewing code (minimum 30-40%).
- Lead by example: actively troubleshoot, refactor, and optimize systems for performance and reliability. Participate in incident response and postmortem analysis to improve system resilience.
Requirements:
- 6+ years of backend or systems engineering experience with at least 2+ years in a technical leadership or line management role.
- Strong proficiency in one or more programming languages (e.g., Go, Rust, Java, Python).
- Proven experience building distributed systems or backend infrastructure, ideally for blockchain or decentralized applications.
- Solid understanding of cryptographic principles, consensus algorithms, or related blockchain components is a strong plus.
- Demonstrated ability to lead engineering teams while staying technically hands-on.
- Strong communication, interpersonal, and organizational skills.
Preferred Qualifications:
- Experience in Web3, DeFi, or other blockchain-related domains.
- Familiarity with containerized microservices (Docker, Kubernetes), cloud infrastructure (AWS/GCP), and CI/CD pipelines.
- Contributions to open-source blockchain projects are a big plus.
- Knowledge of performance profiling, observability, and scalability techniques.
We offer:
- Competitive compensation.
- Social package (24 working days of annual leave, 5 paid sick days).
- Flexible working hours.
- Challenging projects in diverse business domains and a variety of tech stacks.
- Personal development and professional growth opportunities.
- Work with talented, ambitious and family-feel teams.
- Educational possibilities: corporate courses, knowledge hubs, and in-house English classes.
- Compensation for your professional certification & support for your learning activities.
- Opportunity to choose IT equipment you like.
- Corporate social responsibility.
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Β· 160 views Β· 28 applications Β· 11d
Lead Generation Specialist
Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 4 years of experience Β· B2 - Upper IntermediateWe're AdFlagger, a SaaS product that helps businesses protect their brand and traffic from ad hijacking and fraudulent PPC activity. Our clients include fintech, gambling, crypto and high-competition verticals where paid traffic is under constant threat. ...We're AdFlagger, a SaaS product that helps businesses protect their brand and traffic from ad hijacking and fraudulent PPC activity. Our clients include fintech, gambling, crypto and high-competition verticals where paid traffic is under constant threat.
We're looking for a Lead Generation Specialist who can find the right people, reach out with relevance, and generate demand without relying on templates or guesswork.
What you'll do
- Build and maintain lead lists: CMOs, Heads of Marketing, PPC Managers, Affiliate Leads in target industries
- Craft and test cold outreach emails & LinkedIn messages that feel human, not robotic
- Research each prospectβs context: brand presence, PPC activity, affiliate exposure
- Track responses, analyze reply quality, and constantly improve your flow
- Work closely with sales to transfer qualified leads with insights and triggers
Requirements
- 2+ years in B2B lead generation or outbound SDR role
- Hands-on experience with email outreach tools and lead enrichment platforms
- Working knowledge of analytical tools: Ahrefs, Similarweb, Google Search Console to identify brand queries, ad activity, and competitor exposure
- Understanding of performance marketing (PPC, affiliates, brand bidding, cloaking)
- Fluent written English (B2+ minimum)
- Analytical mindset: you measure, test, and refine
Proactive, autonomous, and focused on quality over volume
Nice to have
- Ability to analyze branded traffic leaks, keyword cannibalization, or paid vs. organic split
- Competitor analysis using tools or custom scripts
- Experience working alongside marketing or SEO teams to align on lead targeting
Forum / Slack / Reddit outreach experience
What we offer
- Remote-first culture
- Fixed base + % from deals or pay-per-SQL (your choice)
- Access to internal data: real hijacking examples, dashboards, cases
- Real product, real pain solved
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Β· 36 views Β· 3 applications Β· 26d
Blockchain Security/DevSecOps
Full Remote Β· Countries of Europe or Ukraine Β· 4 years of experience Β· B2 - Upper IntermediateWeβre hiring a Security Engineer with Blockchain experience who thrives in fast-moving environments, understands technical depth, and can independently own security across multiple areas β from architecture and infrastructure to monitoring and...Weβre hiring a Security Engineer with Blockchain experience who thrives in fast-moving environments, understands
technical depth, and can independently own security across multiple areas β from architecture and infrastructure to monitoring and investigations.
Youβll be joining a lean team with serious responsibilities β context switching and high autonomy are part of the job. The role is ideal for someone who prefers deep thinking over surface-level βbest practicesβ.
Youβll play a key role in securing our systems and eventually take ownership of technical implementation and decision-making.
We are building a range of products β from an advanced crypto payment solution evolving into a full blockchain ecosystem with real-world impact, to a comprehensive platform featuring its own blockchain, non-custodial wallet, and stablecoin protocol designed for diverse use cases.Requirements
- Solid understanding of DevSecOps, infrastructure and Zero Trust models
- Experience securing cloud-based or hybrid environments
- Comfortable with CI/CD systems, internal APIs, identity/access flows
- Capable of performing independent audits, assessments, and investigations
- Experience with analyzing logs, traffic, or reverse-engineering APIs is a plus
- Strong problem-solving mindset and self-direction
Experience with security blockchain
Would be a plus
- Previous experience in outsourcing or multi-project environments
Product background also welcome β if youβre ready to swim across multiple streams, adapt priorities, and handle shifting scopes confidently
Responsibilities
- Build and maintain secure development and delivery pipelines
- Define and enforce access boundaries, response processes, and security policies
- Detect and prevent data leaks, monitor logs, and investigate anomalies
- Contribute to architecture and infrastructure decisions with a security-first mindset
- Analyze incidents, model threats, and assess risks end-to-end
- Context-switch rapidly while maintaining focus and ownership