Jobs at Djinni

We expect that you have:

- technical or IT education

- experience in testing/QA

- windows/Linux advanced using skills

- understanding of software development lifecycle

- good knowledge of test case and test plan creation

- good understanding of client-server architecture

- understanding of relational database design and creation of basic queries (SQL, MySQL)

- basic Java coding experience

- analytical thinking, attention to details

- confident English (Intermediate +)

- demonstrable ability to work to tight timescales

Experience in commercial software/website/mobile testing would be a plus.

We are looking for DevOps engineer for our Fintech client in Valencia, Spain

Zapalean is a DevOps-as-a-Service and data engineering agency that helps startups and growing businesses build scalable, secure, and automated infrastructure. We specialize in cloud-native solutions, CI/CD pipelines, infrastructure as code, and system reliability engineering. Our mission is to accelerate product delivery and ensure operational excellence through modern DevOps practices and data-driven insights.

Responsibilities

• Automate AWS resources and infrastructure provisioning
• Develop CI/CD pipelines
• Maintain infrastructures and environments of all types from dev to production
• Maintain Kubernetes clusters
• Security monitoring and administration

Requirements

• 8+ years of working experience in a DevOps role with AWS infrastructures
• Experience with Docker containers, Kubernetes, and Infrastructure as code Terraform
• CI experience (Jenkins, GitHub Actions, etc.)
• Experience with version control systems (Git or similar)
• Scripting skills with either Bash, Python
• Configuration Management experience (Ansible, etc.)
• Good Linux OS knowledge
• Network troubleshooting and configuration skills (DNS, HTTP, SSL, TCP/IP, etc.)
• Understanding of SDLC
• Excellent written and verbal communication skills in English as you’ll be working with external teams

Job Types: Full-time

Requirements:

• Expert knowledge of JavaScript, HTML, CSS, and modern JS libraries.
• Strong proficiency in React.js, Redux.js, React Native.
• Experience with Node.js and frameworks (Express.js, NestJS).
• Work with SQL/MySQL databases.
• Experience with cloud services (AWS or similar).
• Strong debugging and problem-solving skills.
• Ability to optimize applications for speed, scalability, and performance.
• English level: B2 or higher.
  Strong communication, task management, and stress management skills.
• Experience working in fast-paced, dynamic environments.

Key Responsibilities:

• Develop and maintain web applications across the full stack.
• Optimize applications for performance, scalability, and reliability.
• Debug and resolve technical issues across frontend and backend.
• Design and implement search functionalities and performance improvements.
• Work with Docker and cloud-based services (AWS).
• Write clean, maintainable, and well-documented code.
• Research, develop, and demonstrate proof-of-concepts using the latest tools and technologies.

Skylum allows millions of photographers to make incredible images. Our award-winning software automates photo editing with the power of AI yet leaves all the creative control in the hands of the artist.

Join us on our mission to make photo editing enjoyable, easy, and accessible to anyone. You’ll be developing products with innovative technologies, providing value and inspiration for customers, and getting inspired in return.

Thanks to our incredible team of experts, we’ve built a collaborative space where you can constantly develop and grow in a supportive way. At the same time, we believe in the freedom to be creative. Our work schedule is flexible, and we trust you to give your best while we provide you with everything you need to make work hassle-free. Skylum is proud to be a Ukrainian company, and we stand with Ukraine not only with words but with actions. We regularly donate to various organizations to help speed up the Ukrainian victory.

Mission:

To be the core driver of innovation at Skylum. We combine fundamental research with practical experimentation to not only create unique AI features but also empower marketing, product management, and design with insights into users, the market, and trends. Through close collaboration between technical, product, and marketing teams, we build breakthrough AI and CV technologies that shape the future of photo editing.

Requirements:

• Strong motivator, leader, team player with a record of leading and mentoring employees
• Proven practical experience in engineering management
• Background in Engineering/Team Lead role
• Experience in guiding teams through planning, prioritization, and execution of work
• Experience in managing the Core / R&D team
• Experience in Image Processing / Video Processing.
• Machine Learning and Data Analytics skills would be a plus

KPIs:

• Team Performance
• Employee Engagement
• Team efficiency (with an optimal budget to achieve maximum results)
• Technology delivery
• Technical Excellence

Responsibilities:

• Manage a team of software engineers
• Oversee day-to-day agile executions, planning, process improvements, reporting and reviews
• Work closely with the team, report and cooperate directly with the CTO
• Collaborate with cross-functional teams such as Product, Marketing, Engineering
• Run or join virtual teams for different cross-team projects delivery
• Ensure delivery on multiple projects of increasing dependencies in a fast-paced environment
• Technology quality ownership 
• Ensure that projects are delivered on time, within scope, and deadlines
• Participate in release planning, sprint planning, and conflict resolution within or between scrum teams
• Work with product management to define the requirements/user stories, perform groomings and reviews
• Manage changes to the project scope, project schedule and project costs using appropriate verification techniques
• Perform risk management to minimize project risks
• Work with customer success teams to resolve critical customer issues
• Track project performance, specifically to analyze the successful completion of short and long-term goals
• Be both a technical leader and a thoughtful people manager

• Provide team members guidance, regular feedback, coaching, and mentoring

   

  Achievements

6 Months:

• Up-to-date documentation on all activities
• Execution of the current plan of the team
• Building/improving transparent work processes

What we offer:

For personal growth:

• A chance to work with a strong team and a unique opportunity to make substantial contributions to our award-winning photo editing tools;
• An educational allowance to ensure that your skills stay sharp;
• English and German classes to strengthen your capabilities and widen your knowledge.

For comfort:

• A great environment where you’ll work with true professionals and amazing colleagues whom you’ll call friends quickly;
• The choice of working remotely or in our office space located on Podil, equipped with everything you might need for productive and comfortable work.

For health:

• Medical insurance;
• Twenty-one days of paid sick leave per year;
• Healthy fruit snacks full of vitamins to keep you energized.

For leisure:

• Twenty-one days of paid vacation per year;
• Fun times at our frequent team-building activities.

If you are looking forward to working with true professionals and simply amazing people & product — we are waiting for your CV!

We are looking for a Data Scientist to work on customer-facing projects, combining advanced data science techniques with machine learning and big data technologies to design and implement solutions that meet specific customer needs and business objectives. 

Requirements:

• 2+ years data science experience
• BSc or equivalent in Mathematics, Statistics, Computer Science, Economics, or related field 
• Proficient in Apache Spark, Python/PySpark, and SQL
• Experience with Hadoop ecosystem (Hive, Impala, HDFS, Sqoop) and pipeline optimization
• Hands-on experience with AI agents and LLMs
• Strong ML feature engineering and financial analytics skills
• Experience with workflow tools (Airflow, MLflow, n8n) and Git
• Customer-facing and team training abilities

• Fluent English

   

Responsibilities:

• Deploy solutions and manage pilots
• Design customer-specific technical solutions across project lifecycle
• Lead data science teams and technical partnerships
• Engineer features from diverse data sources
• Extract insights and investigate anomalies in big data
• Build technical relationships with customers and partners
• Provide product requirements to management
• Train customers on system usage and monitoring. 

Recruitment process:

• Screening call  (20 min)
• Technical Interview with Team Lead (60 min)
• Technical Test (2 hours take-home assignment)
• Interview with Global Head of Data(30 min)
• Interview with VP of R&D Manager (30 min)
• HR Interview (30 min)

• Reference Checks

   

Timeline: Complete process typically takes 2-3 weeks from application to offer.

We offer:

• Competitive compensation based on your skills and experience
• 24 days of annual paid vacation and 5 sick leaves
• Exciting projects involving the newest technologies
• Accounting as a service
• Flexible working hours
• Long-term employment 

Requirements :

- At least 3+ years of commercial experience

- Knowledge: iOS SDK, Swift, SwiftUI

- Xcode, OOP/OOD, HTTP, OAuth, JSON, REST, Unit tests

- MVC/MVVM/TCA

- Versioning tools (GitLab, GitHub, Bitbucket)

- English - at least Intermediate level

What we offer :

- Competitive salary

- Highly motivated team

- Conferences/certifications/master classes paid by company

- Corporate events/team-building

Requirements:

— Must have a Bachelor’s degree from a recognized university;

— Excellent verbal and written English skills;

— Excellent interpersonal skills – can converse with irate/upset users or callers;

— Prefer customer service background;

— Be ready to work from 00:00 to 8 am;

— Prefer some healthcare knowledge, but not absolutely required.

Responsibilities:

— Respond to customer queries in a timely and accurate way, via phone, email or chat;

— Identify customer needs and help customers use specific features;

— Gather customers’ feedback and Assist in training junior Customer Support Representatives;

— Monitor customer complaints and reach out to provide assistance;

— Share feature requests and effective workarounds with team members;

— Inform customers about new features and functionalities.

Benefits:

a healthPrecision Team is a group of talented, progressive and passionate people with diverse interests and backgrounds. Our team shares a common vision and promotes a culture of openness and forward-thinking.

We provide benefits and perks to keep our employees happy, help boost creativity and productivity and also make the work atmosphere more inviting and really worth being a part of.

Summary:

Mid-level Python vibe-coder working on a travel technology backend cloud stack. Requires asynchronous Python experience, and Gemini CLI / Claude Code vibe coding skills.

Details:

• You will work on an tech-driven travel platform, which allows users to find and book the cheapest multi-modal multi-destination weekends trips in a personalized way.
• Offered position is ideal for a Junior-level developer or Computer Science student with at least 1.5 years of Python experience, who prefers to closely work together with an experienced developer / leader that will guide and help him through the development tasks.
• Used tools and technology stack of the startup: GitLab for CI/CD, async Python interfacing with MongoDB and Redis in a containerized Google cloud backend, and Ionic/Angular together with Google Firebase for a hybrid/PWA frontend/website (this position is for the backend, thus no frontend experience required).
• Development work will be broken down into smaller tasks in advance (each task taking maximum a few days), and the candidate will be able to work them off without much urgent deadlines. All tasks and related code will be tracked, collaborated on and committed through GitLab.
• Position is online-only (can be worked on online from home / anywhere), flexible, and on a part-time contract-basis (initially between 15 to 25 hours per week, only later on up to 40 hours per week).
• Monthly compensation range between $400 and $1000 depending on relevant experience (based on 40 hours per week). Note: Working 20 hours per week means half the compensation! Will increase compensation over time.
• All development and communication will be carried out in English. The required level of English is B1/B2; the preferred level is C1.

Requirements:

Linux (5+years)

Docker containers, create docker images (3+years)

Kubernetes, — necessarily (2+years)

Production experience with at least one: GCP, AWS, AZURE, DO (3+years) Ansible, Terraform (3+years)

Nginx, Istio, Traefik

GitLabCI, CircleCI

MySQL, PostgreSQL, MongoDB

Prometheus/Loki/Grafana

Understanding of HTTP, DNS, SSL protocols

Quick learning abilities

Solve difficult tasks in a short time

English upper-intermediate оr higher

Would be a plus:

Rancher, RKE2
Python/Golang

GPU nodes for ML

Responsibilities:

Containerization, migration, automation of web applications

Support and deployment of applications and servers, infrastructure troubleshooting

Creating documentation for teamwork

Ensuring the operability of all systems, testing and upgrades

Search and management of new technologies for optimal performance

What we provide:

4-6 month project

Fully remote or in office

Flexible working hours

Adequate leadership

About the project:

Join us in building a cutting-edge SaaS platform, designed to drive sustainability through technology. Our solution leverages modern infrastructure tools, ML technology and DevOps best practices to ensure scalability, security, and high availability. You’ll be part of a forward-thinking team, helping to shape the future of clean energy by building a robust, automated, and scalable infrastructure from the ground up.
 

Here you’ll be able to use lots of new technologies and bring value to innovative products.

Requirements:

● 8+ years experience as a Front-End/Full-Stack developer

● Strong in JavaScript and toolkits (Gulp/Webpack/Karma/Jasmine, etc.);

● Good grasp of at least one frontend framework (preferably React);

● TypeScript and other frameworks (Angular/Backbone/Vue);

● Experience with one of BE technologies (Node.JS/Ruby/Python/Java/.Net)

● Experience with distributed version control systems (Git/Mercurial/Fossil, etc.);

● Experience with implementing pixel-perfect designs over HTML/CSS;

● Experience in working with a Linux based server environment, solid Linux/Unix skills;

● Experience of work in a distributed team;

● Upper-Intermediate level of English (both written and spoken)

As a plus

Experience in:

● Building, maintaining and optimizing responsive web apps;

● Cloud technologies;

● Developing high load / high traffic user-facing software;

● Writing unit-tests;

● Mobile-specific sites, and mobile-web/native app integrations;

● Setup and continuous improvement of development and multi-stage production environment;

● Open source contributions;

We offer:

● Strong and friendly international team (Warsaw, Tel Aviv, New York);

● Work with cutting edge technologies;

● English courses, paid tech training and other activities for professional growth;

● Compensation package (20 paid vacation days, 14 paid sick leaves);

● Medical Insurance;

● Flexible working hours;

● Comfortable office (Warsaw).

Let me know please if the position is interesting for you.

Looking for Middle/Senior Full Stack PHP/WordPress Developer to participate in our projects from international clients, mainly in the United States and Europe.

Projects are long-term and always go with the ready designs (mobile + desktop) prepared by our design team. The development approach is custom, without page builders or existing themes. However, we still use CMS capabilities that save time, such as a prepackaged admin panel, rich facilities for e-commerce, SEO, and others.

Our website: https://www.ecdevstudio.com/

Requirements:

• Proficiency in HTML, HTML5 features, CSS, SASS, JavaScript, jQuery, AJAX, JSON, PHP 7+, OOP concepts.

• Strong knowledge of WordPress, including its core functions, APIs, hooks. Experience developing custom themes and plugins. Ability to create custom wp-admin functionality, pages, custom post types, and others.

• Experience with WooCommerce development, including customization and extending WooCommerce functionality, creating custom payment gateways, custom shipping methods, and others.

• Experience with GIT, Gulp/NPM/Webpack, Nginx, Apache, Docker, SSH, Linux, ability to optimize server configurations for performance.

• Experience with MySQL, custom CRUD operations, database management systems.

• Familiarity with web development tools like IDEs, text editors, debugging tools, command line interfaces.

• Experience with performance optimization techniques, including caching, image compression, CDNs, code optimization.

• Familiarity with issue trackers and agile methodologies.

• Team player, good communicator in written and verbal.

• Pre-intermediate or higher English level.

What we offer:

• Well-organized development process.

• On-time salary twice a month, regular salary reviews.

• Bonuses for quality on-time deliveries.

• Projects with modern, elegant, and technically correct designs.

Please provide work samples and a public GitHub profile (if available) in your CV.

Software Engineer (WPF / .NET)

Responsibilities:

• Develop and maintain WPF applications using .NET.
• Solve algorithmic challenges involving real-time data streams.
• Perform basic memory and performance optimizations.

• Participate in code reviews, bug fixing, and performance analysis.

   

Requirements:

• 1.5+ years of experience in software development.
• Solid knowledge of C#.
• Experience with WPF and MVVM.
• Strong understanding of data structures and algorithms.
• Basic understanding of memory profiling and garbage collector (GC) behavior.
• Familiarity with unit testing frameworks (xUnit/NUnit).
• Knowledge of low-allocation techniques.
• Ability to write clean, maintainable, and testable code.

• Basic understanding of network protocols (TCP, WebSockets, gRPC).

   

Would be a plus:

• Knowledge of JavaScript, HTML, CSS, and other web technologies.

English — Upper-Intermediate or higher.

Location: Vinnytsia only!

We require:

Smart: 100%

English: Upper-Intermediate+

Working Experience: 0+

Java core: syntax, standard data structures, exceptions, generics, annotations

OOP principles: inheritance, encapsulation, polymorphism, constructor, virtual methods, multiple inheritances.

Spring Core and MVP

Advantages:

Design Patterns: Factory, Builder, State, Strategy, Listener, Facade, Marker Interface.

Fundamentals of discrete mathematics: Boolean algebra, combinatorics, Finite-state machine, graph theory, trees, binary trees.

Knowledge and understanding of the basics of compiler theory: grammar, lexical analysis, parsing, code generation, interpreter.

Binary Search: algorithm and performance evaluation. Quick Sorts.

Understanding of Spring framework

Understanding of Hibernate

We offer:

Compensation for educational courses

Flexible schedule

Diverse projects

Friendly team

Iterasec works with clients worldwide, helping them find vulnerabilities and secure their products. Our projects range from mobile/web applications to complex modern cloud and automotive stacks. We work with both small product companies as well as Fortune 500 enterprises.

We are looking for a talented and motivated Junior Pentester who will join our security team to work on penetration testing and vulnerability/cloud security assessment projects.

We expect a short motivation letter where you can explain your skills, achievements and motivation.

Required skills

- Solid non-commercial cybersecurity experience, such as HTB/THM

- Junior-level cybersecurity certifications would be a plus.

- Comfortable with basic application security testing and common vulnerabilities (like OWASP Top 10, CWE Top 25) and cybersecurity fundamentals

- Strong basic IT skills: Linux, networking (TCP/IP, DNS, HTTP etc.)

- Some experience in scripting/coding languages, such as Java, JS, Python, Shell, etc.

- Strong drive to learn and develop cybersecurity skills

- Technical English (Intermediate)

We offer

- Good salary + bonus system

- Rewarding environment: brilliant team ready to share knowledge and collaborate

- Support in obtaining professional certifications, such as BSCP, OSCP, eWPTX, cloud certifications, etc.

- Courses and conferences which are relevant to the position are sponsored by the company.

- We are a remote-first company with full WFH support and a flexible work schedule.

Responsibilities

- Execute penetration tests and security assessments as part of a team, including internal/external networks, web and mobile applications, Windows and Linux environments, cloud architectures, IoT devices, and more

- Create assessment documentation and reports, clearly identifying vulnerabilities and associated remediation steps

- Conduct security research

We are looking for an experienced Golang Developer to work in the international team on product development of the online gaming projects

Responsibilities: 
• Writing Golang microservices that will be under load (including unit and functional tests). 
• Working closely with the DevOPs and SecOPs team to ensure a scalable and secure system. 

Experience: 
• Strong knowledge of Golang language

• Working with SQL DBs (PostgreSQL)

• Experience with gRPC

• Experience with containerizing the services (Docker)

• Deep knowledge of building highly available and scalable applications. 
• Experience with test-driven development 
• AWS and Kubernetes experience a plus.

Full-time remote job.