Jobs at Djinni

Who We Are?
Altum is a Ukrainian software development house that supports digital agencies and startups across the US and Western Europe with technical expertise. We focus on innovation, scalability, and quality to help businesses grow.

As part of Altum, DevOut Labs is a WordPress white-label development team delivering high-quality websites for US-based marketing agencies. While hiring is managed under Altum, this role is for DevOut Labs.
More info: devoutlabs.com

Position Overview

As a WordPress Developer, you will be responsible for developing, customizing, and maintaining WordPress websites for our clients. You will collaborate closely with our design and development teams to implement functional and visually appealing websites that align with our client's needs and objectives. This position offers the opportunity to work remotely and contribute to exciting projects for a diverse range of clients.

Responsibilities:

• Develop custom WordPress themes and plugins based on client requirements and design specifications.
• Customize existing WordPress themes and plugins to enhance website functionality and user experience.
• Ensure websites are optimized for speed, performance, and responsiveness across all devices.
• Collaborate with designers and other developers to implement website designs and features.
• Communicate effectively with project managers and clients to provide updates and gather feedback.

Requirements:

• Proven experience as a WordPress Developer, with a strong portfolio showcasing previous work;
• Proficiency in HTML, CSS, JavaScript, PHP, and MySQL;
• Solid understanding of WordPress architecture, theming, and plugin development;
• Experience with popular WordPress plugins and frameworks;
• Ability to work independently and efficiently in a remote environment;

Preferred Qualifications:

• Experience with ACF Pro;
• Experience with front-end frameworks such as Bootstrap or Foundation;
• Knowledge of SEO best practices and accessibility standards;
• Experience with other content management systems (e.g., Drupal, Joomla) is a plus;

Recruitment Stages:

• Initial Interview — up to 30 min;
• Feedback;
• Technical interview
• Feedback;
• Interview with CEO
• Final feedback.

24PLAY is a product company from Ukraine that has been developing and publishing mobile games since 2019. We are a team of professionals who have launched dozens of popular games and gained over 100 million satisfied players worldwide. Our games include Zombiepunk, Bliezkrieg Assault, Street Dude, and more.

We are currently looking for a Playable Ads Developer to share our core company values:

• Creativity: We actively encourage and embrace each other’s ideas, transforming them into reality through collaboration and innovative thinking.
• Integrity: We commit to providing honest feedback and realistically assessing situations, fostering a culture of trust and transparency.
• Productivity: We strive to optimize our workflows to achieve the best possible results in the shortest timeframe, ensuring efficiency and effectiveness in our operations.
• Uncompromising Quality: Our commitment to excellence drives us to prioritize the quality of our work above all else, ensuring that we consistently deliver outstanding results.
• Healthy Lifestyle: We advocate for a healthy lifestyle and stand against harmful habits, promoting well-being and balance within our team.

We are looking for a professional for the role that requires:

• Full-time job;
• Office-based in Kyiv.

Main responsibilities:

• Create 2D and 3D playable ads and creatives to promote mobile games
• Develop gameplay mechanics, game logic, animations, and visual effects

Our ideal candidate:

• 0,5+ years of experience working with JavaScript
• Experience building web applications or games using 3D graphics libraries (Three.js, Babylon.js, etc.) or experience with 2D JavaScript libraries such as PixiJS or similar
• Experience with JavaScript physics libraries (Ammo.js, Cannon.js, or similar)
• Solid understanding of 2D/3D math (vectors, matrices, dot/cross product)

Nice to have:

• Experience working with MRAID and understanding of ad network technical requirements for playables
• Experience creating games on any technology/platform (Unity, Flash, etc.)

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.
• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.
• 35-Hour Work Week: Reduced working hours as a benefit for experienced employees.

We’re looking for a strong Senior Backend Engineer to join our Security Research group and build the systems that power our open source intelligence and research efforts.

This is a high-impact individual contributor role where you’ll work closely with researchers, turning prototypes, scrapers, and data pipelines into scalable, production-grade systems. You’ll own projects end-to-end -  from design through deployment - with a high level of autonomy.
 

What You'll Do

• Build scalable scrapers and ingestion pipelines for public package registries
• Design queue-based distributed systems (API + workers + DB + queue)
• Develop detection logic for install hooks, embedded binaries, obfuscation, and suspicious package behavior
• Build risk-scoring algorithms that prioritize real threats

Must Have

• 5+ years backend experience in Python or Node.js/TypeScript
• Hands-on scraping at scale
• Distributed systems: queues, workers, Postgres, Redis
• Docker / docker-compose in production
• Builder mindset, strong autonomy
• English: full professional proficiency

Strongly Preferred

• Malware analysis or reverse engineering (obfuscation, binaries, install hooks)
• Familiarity with ELF / PE / Mach-O formats
• Security research or supply-chain security background

Bonus

• CTF player (CTFtime profile, Dragon Sector / p4 / just cat the fish / Justcatthefish alumni)
• Bug bounty, OSCP/OSWE
• Experience at Snyk, Socket, Phylum, Checkmarx, JFrog, or similar
• Kafka, ETL at scale

Hi! We are looking for a Node.js Backend Developer (NestJS) to join our pack at SharksCode 🦈💙
SharksCode is a Ukrainian IT company that develops high-tech software solutions and B2B platforms, particularly in the iGaming industry.
We are looking for a Node.js Backend Developer who will work on building scalable backend services and integrations within a distributed architecture. In this role, you will participate in designing and developing platform services, integrating external systems, and contributing to technical decisions that impact the overall product architecture.

We expect that you:
– Have 5+ years of commercial experience with Node.js development.
– Have 1+ year of experience with NestJS or are ready to quickly adopt it.
– Have experience developing REST APIs and/or GraphQL services using NestJS.
– Have strong proficiency in TypeScript.
– Have hands-on experience with MongoDB, MySQL, or PostgreSQL.
– Have experience integrating third-party APIs and services.
– Have experience working with message queues (RabbitMQ, Kafka, or similar).
– Understand distributed systems architecture.
– Have experience using Redis for caching or Pub/Sub mechanisms.

Your future responsibilities:
– Design and develop backend services and product functionality.
– Build and maintain integrations with third-party financial and technical services.
– Develop public payment APIs and internal microservices.
– Participate in technical discussions and architecture decisions related to platform development.
– Ensure high code quality and follow engineering best practices.
– Share knowledge and contribute to the development culture within the team.

Nice to have:
– Experience working with high-load systems, especially with live or real-time data.
– Experience writing automated tests (Unit, Integration, E2E).
– Experience with WebSocket, gRPC, or other real-time technologies.
– Knowledge of architectural patterns such as CQRS, Event Sourcing, or DDD.
– Experience with Docker, Kubernetes, or CI/CD pipelines.
– Experience working in the gambling or betting industry.

Interview stages:
🤝 Interview with Recruiter.
🧠 Technical Interview.
💙 Offer.

We offer:
🌴 24 paid vacation days, 14 sick days, and 5 days off.
⏰ Flexible start of the working day — from 9:00 to 11:00.
🏥 Medical insurance.
💰 Bonuses and performance-based rewards.
🐶 Office in the center of Kyiv — pets are welcome, we are pet-friendly.
💆 Lounge area in the office to recharge during the day.
🎾 Padel tennis, football, and training at the polygon for those who enjoy active leisure.
📚 Learning compensation, internal meetups and workshops, as well as access to the corporate LMS with courses.
🎁 Corporate currency that can be exchanged for merch, gifts, or additional benefits.

Description

Broadband team works on 2nd generations of Harmonic (NASDAQ:HLIT) Cable Access products: actively developing the industry’s first software-based CCAP solution (“Cable OS”) and cloud native CMTS.

These solutions allow to cable operator companies to deliver the IP-based data, video, and voice services to millions of customers. Focus is given to CableOS which will allow to get rid of the existing HW equipment and to migrate to the cloud, saving customers the enormous expenses for the support of HW network equipment.

The system is based on microservice architecture and is running on the general purpose CPUs. It doesn’t require using ASICs and make possible to run the SW both on the bare metal servers as well as on the private cloud infostructure. CableOS is a pioneer in DOCSIS software defined networking (SDN) with all the benefits it gives to the service providers.

GlobalLogic team is involved in development, manual and automated testing, as well as in solution integration at customers’ headend and further technical support 24/7 with providing professional services for Customers.

To learn more – please visit

HTTPS://WWW.HARMONICINC.COM/BROADBAND/
HTTPS://WWW.GLOBALLOGIC.COM/UA/HARMONIC-AND-GLOBALLOGIC/

Requirements

• 0+ years of experience
• Knowledge of Python programming
• Understanding of OOP principles
• Understanding and knowledge of computer networks and L2/L3 networking protocols
• Basic hands-on experience with Linux command-line
• Intermediate level of English
• High level of interpersonal skills. Ability to communicate effectively with different groups

Would be a plus:

• Experience in manual/auto software testing
• Experience in Linux/Network administration
• Experience with tools: TestRail, Jenkins, Jira, Git, BitBucket, WireShark
• Experience with PyTest framework
• Experience with Kubernetes, Docker
• Knowledge of SQL, Elasticsearch

Job responsibilities

• Native Ukrainian speaker, location – Ukraine
• Active collaboration with mentor
• Deep involvement in the commercial project workflow and practical tasks
• Design, implementation and maintenance of automation tests according to given requirements
• Develop in the existing automation infrastructure based on Python for complex embedded system
• Cooperate with SW, manual QA and other stakeholders from different countries

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client looking for a backend-heavy engineer to architect the infrastructure that turns vague human intent into precise, autonomous agent actions.

The product leverages AI to automate development workflows and dramatically increase R&D productivity. Already in production with active customers, the team is now scaling both the technology and impact.

Key Requirements:
🔹 7+ Years Experience: Deep expertise in engineering high-stakes software;
🔹 Scale-Tested: 3+ years on a customer-facing team. Proven track record of delivering complex features for production systems and solving high-impact bugs in mature environments;
🔹 Stack: Expert Python (Django preferred), proficient React;
🔹 Cloud & DevOps: Experience with AWS and CI/CD pipelines;
🔹 Databases: Strong knowledge of MySQL (or equivalent relational DBs); experience with graph and vector databases is a plus;
🔹 AI Native: Power user of Claude and Cursor; comfortable leveraging AI tools in daily workflows;
🔹 Agent Expert: Proven experience building AI agents in production; able to move beyond basic prompts to create reliable, deterministic agentic systems;
🔹 API & Testing: Skilled in building and consuming APIs; experience with automated testing frameworks (e.g., PyTest);
🔹 Frontend: Solid understanding of JavaScript/TypeScript and modern frontend frameworks;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Orchestrate: Develop production-grade AI agent workflows that manage their own validation loops;
🔹 Architect: Build Python services that bridge the gap between high-level requirements and technical execution;
🔹 Streamline: Create systems that allow developers to manage a fleet of autonomous workstreams, eliminating the manual coordination that stalls modern R&D;
🔹 Customer Impact: Rapidly address customer feedback by fixing bugs and implementing new requirements, ranging from small UI tweaks to complex backend features;
🔹 Feature Development: Design and deliver new capabilities for the platform, especially deep AI-driven features and integrations with customer systems;
🔹 End-to-End Ownership: Take full responsibility for tasks from initial concept through to production deployment, including testing and validation;
🔹 Collaboration: Communicate directly with customers as needed to understand their needs, present solutions, and gather feedback;
🔹 Product Mindset: Actively participate in product discussions, propose improvements, and help shape the direction of the platform;
🔹 Proactive Problem Solving: Identify potential issues and opportunities for improvement before they become bottlenecks;

Interview stages:
🔹 HR Interview;
🔹 Technical Discussion ;
🔹 Practical Session ;
🔹 Team Fit Conversation ;
🔹 Final Review;
🔹 Reference Check;
🔹 Offer;
 

We are looking for a detail-oriented and responsible Payment Officer to join our Gaming team. In this role, you will be responsible for processing customer withdrawals, monitoring payment transactions, identifying suspicious activity, and ensuring smooth payment operations in a fast-paced 24/7 environment.

Requirements:
- 1+ year of experience in Payments, Gaming, Fintech, or related industries
- Basic understanding of payment systems, payment providers, and transaction flows
- Familiarity with AML, KYC, and fraud prevention principles
- Experience processing withdrawals and handling payment operations
- Strong attention to detail and ability to follow procedures consistently
- Analytical mindset with the ability to identify irregularities and suspicious behavior
- Good communication and teamwork skills
- Ability to work under pressure in a high-volume environment
- Experience working in shift-based or 24/7 operations is a plus
- English level: Upper-Intermediate or higher.

Responsibilities:
- Process customer withdrawals accurately and within SLA timelines
- Monitor payment queues and ensure timely transaction handling
- Verify transactions according to internal procedures and compliance requirements
- Identify suspicious transactions, fraud patterns, or anomalies and escalate them when necessary
- Work closely with Risk, Anti-Fraud, Support, and Payments teams
- Handle high-volume transaction workflows efficiently
- Maintain high standards of accuracy and operational quality
- Report recurring issues and suggest process improvements
- Follow AML, KYC, and fraud prevention procedures
- Adapt quickly to changing priorities and operational demands.

We offer:
- Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
- Vacation days and paid sick leave—because your rest matters.
- A competitive compensation that truly reflects your skills and expertise.
- Employee referral bonus and gifts to celebrate your special occasions.
- 50% financial support for learning expenses to supercharge your professional growth!
- A positive atmosphere where you always feel respected and truly belong.
- Inspirational team-building activities that turn colleagues into best friends.
- Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.

About the project:

We are migrating a diversified retail and distribution leader from on-premise systems to Dynamics 365 Business Central Cloud. The project covers the full operational cycle, including finance, inventory, purchasing, and sales. We are looking for a specialist to manage the migration and provide ongoing operational support. You will play a key role in the transition, ensuring all business processes are correctly configured and stable in the new environment.

What you will do:

• Own the configuration and maintenance of Business Central financial and operational modules
• Lead the analysis of requirements to build concrete, working system solutions
• Take charge of incident management to resolve production issues efficiently
• Oversee and execute the full cycle of data migration and integration testing for production readiness
• Facilitate stakeholder alignment and user adoption through direct communication

Does this relate to you?

• 3+ years of hands-on D365 Business Central or NAV experience covering implementation, setup, and support
• Hands-on expertise in LS Central with a focus on retail-specific modules and processes
• Practical skills in data migration and integrations with a focus on risk mitigation and system stability
• Proven ability to transform complex business requirements into functional system configurations
• Proficiency in AI tools and Power Platform to automate tasks and optimize ERP operations
• Upper-Intermediate English or higher
• Microsoft Dynamics certifications or experience with D365 reporting tools as a plus

Sound like a match? Send your CV and let's talk.

ARRISE - is an international IT company that develops and operates live gaming solutions for global platforms.

The team includes over 5,000 professionals across Europe and Canada. The main studio headquarters is located in Sofia, Bulgaria.

 

What you’ll do:

• Host card and table games in a live broadcast format
• Work in a professional studio with lighting, equipment, makeup, and styling provided
• Open, manage, and close game tables

• Collaborate with the studio’s technical and production teams

   

What the company offers:

• Competitive salary:
  €1120 base + bonuses → up to €1530 total
• Quarterly bonuses (up to €410)
• Paid relocation package to Sofia, Bulgaria
• Official employment and stable contract
• Health insurance from day one
• Meal vouchers, transport card, and sports program
• Daily preparation for live sessions (professional makeup & hair styling)
• Opportunities for career growth within an international company

Requirements:

• Willingness to relocate to Sofia, Bulgaria
• English level B1+ (spoken communication)
• Confident communication skills
• Neat and presentable appearance
• Willingness to work in shifts (40 hours/week or part-time)

• Responsible and disciplined

   

💡 No previous experience required — full training is provided before you start.

This role is a good fit if you:

• Are open to relocation and new experiences
• Feel comfortable in a public-facing role
• Want to work in a stable international company and grow in an IT-related environment

Skylum empowers millions of photographers to create incredible images. Our award-winning photo editing software combines AI-powered automation with full creative control. We make editing enjoyable, easy, and accessible for everyone.
 

You’ll join an environment where growth, learning, and creativity are encouraged. Flexible schedules, trust-based workflows, and a supportive team give you everything you need to focus on your best work.
 

🇺🇦 Proudly Ukrainian, Skylum stands with Ukraine through action, regularly supporting organizations that help accelerate our victory.
 

Key responsibilities

• Oversee marketing campaigns across diverse channels, including YouTube, websites, media, Instagram, coupon platforms, and CPA networks, via Impact Radius and other affiliate platforms.
• Onboard new affiliate partners for Skylum products, signing agreements to ensure clear terms.
• Review videos, media, metadata, and other content to ensure they align with contractual commitments.
• Launch, monitor, and optimize affiliate and influencer marketing campaigns across key regions, using various A/B tests to refine campaigns and communication.
• Monitor, measure, and analyze campaigns, adjust commission structures, and optimize budget allocation to achieve ROI targets and meet KPIs.
• Build, nurture, and reactivate relationships with affiliates, influencers, and content creators to enhance product reach and engagement.
• Evaluate historical and current data, user insights, marketing strategies, and business objectives to improve affiliate strategies and influencer marketing campaigns.
• Collaborate with cross-functional teams (Product, SEO, PPC, Brand, Legal, Finance) for seamless asset delivery, product updates, and campaign coordination.
• Research, assess, and stay informed about new technologies and trends in affiliate marketing and influencer partnerships.

Required experience

• 2+ years’ experience driving results in affiliate/partnership or influencer marketing.
• Deep knowledge of affiliate platforms, such as Impact or Rakuten, and general program policies and competitors.
• Experience with Excel, Google Sheets, etc., at a strong level.
• Proven experience using AI tools to optimise marketing campaigns and workflows.
• Experience with CPA. Knowledge of SEO, PPC, and email marketing is also highly desirable.
• A data-driven approach to work; strong analytical and fraud management skills.
• Great sales and negotiation skills.
• Ability to self-organize and accept challenges, looking for new ways to solve problems, and grow the business.
• Excellent written and spoken English and Ukrainian communication skills. Any other language would be an advantage.

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, German and Polish 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;

For leisure:

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

What to expect when you apply

• An interview with our Talent Acquisition Manager
• Optional test task to show your skills
• Professional/technical interview
• Management interview
• And finally, your job offer!

Let’s Start With a Hello
We’re not just filling a role — we’re looking for someone ready to join our adventure. If you’re passionate about marketing, love building bold campaigns, and want to make a real impact on a growing international brand — you might have just found your next home.

Who We Are

We’re a fast-growing international iGaming company with big ambitions and a bigger heart. Operating across Tier-3 markets, we connect with diverse audiences and share one passion — creating engaging experiences that keep our players coming back. Our culture? Fast-paced, collaborative, and results-driven.

What You’ll Be Doing

• Developing and executing a holistic marketing strategy with a strong focus on digital channels and offline advertising.
• Planning and launching large-scale 360° marketing campaigns, including both performance and brand awareness initiatives.
• Managing and scaling digital marketing channels: paid traffic, SEO, social media, and influencer marketing.
• Building and growing brand ambassador and influencer programs, establishing long-term partnerships.
• Leading offline marketing activities: outdoor advertising, events, sponsorships, and special activations.
• Analyzing market trends and competitors to identify growth opportunities and new acquisition channels.
• Managing marketing budgets and evaluating campaign performance (ROI, ROMI, LTV).
• Leading and developing a marketing team: setting goals, tracking performance, and mentoring team members.
• Coordinating with external partners, agencies, and creative teams.
• Contributing to brand strategy and positioning.
• Ensuring consistent communication across all marketing channels.

What Makes You a Great Fit

• English proficiency is required (B2+ or higher).
• 2+ years of experience in marketing, including team or project management.
• Proven experience launching and scaling digital marketing campaigns (performance & brand).
• Solid understanding of offline marketing and experience executing offline campaigns.
• Experience working with influencers or brand ambassadors is a strong plus.
• Strong analytical skills and data-driven decision-making mindset.
• Experience managing marketing budgets and performance metrics.
• Leadership skills with the ability to take ownership and drive results.
• Understanding of marketing models such as CPA, Revenue Share, and Hybrid is a plus.
• Additional experience or understanding of other marketing areas (PR, brand marketing, product marketing, CRM, retention, affiliate marketing) will be considered a strong advantage.

What’s In It for You

• Competitive salary with performance-based bonuses.
• Opportunity to shape and scale the marketing strategy of a growing international brand.
• Freedom to implement your ideas and build processes your way.
• A dynamic, international team with ambitious goals.
• Resources and support to launch large-scale and high-impact campaigns.

Let’s Wrap It Up

If this sounds like your kind of challenge — we’d love to hear from you. Bring your ideas, your drive, and your vision — and we’ll give you the platform to build something big.

We invite a QA Automation Engineer to join our team for long-term cooperation. Gransoft develop an international health insurance portal. Our project has become especially important at this time.

Office Location: Uzhhorod or Gdansk

Requirements:

— 3+ years of experience in test automation 

— Experience with test automation using Java or Kotlin

— Experience in UI, API, load, regression testing for web and mobile applications

— Experience with end-to-end QA processes: strategy planning, case design, manual and automated testing, defect management, regression testing, release coordination 

— Advanced database testing using SQL (data validation, joins, complex queries)

— Experience with Jira, IDEA  and Bitbucket/Git

— Good written and spoken English

— Strong analytical skills, attention to detail, and ability to work effectively in a team

— Responsible attitude to the tasks and deadlines

— Work from office only.

We offer:

— Interesting and challenging project

— Creative and friendly atmosphere

— Our company policy is to welcome your ideas and suggestions

— An international team of experienced QA automation engineers

— Paid vacations and days off during national holidays

— Flexible work schedule

— 8-hour workday

— Office in Uzhhorod or Gdansk

— Paid English language courses

— The company provides relocation support and, if needed, assists with the moving process and finding accommodation.

More details could be given during an interview.

Please include your Telegram username in CV.
 

Join the Wix security team as a SOC Analyst and help protect our global platform. This role focuses on incident analysis, threat hunting, and security automation within our large-scale, hybrid-cloud environment. You'll work alongside security experts to defend against modern threats.

Key Responsibilities

• Incident Management: Manage the full incident lifecycle from detection to resolution.
• Security Automation: Build and maintain SOAR playbooks to reduce manual work and improve detection.
• Threat Hunting: Proactively hunt for threats across our networks and endpoints using a hypothesis-driven approach.
• Team Collaboration: Partner with Incident Response and Engineering to enhance our security posture.

Qualifications

• 1+ years of experience in the cyber security field (e.g., SOC, incident response, or similar security roles).
• Hands-on expertise with modern security tools like SIEM, EDR, and SOAR.
• Strong investigative skills with a deep understanding of core cybersecurity concepts.
• Experience securing complex hybrid-cloud environments (AWS, GCP, or Azure).
• Excellent analytical and communication skills.
• Willingness to cover occasional off-hours shifts as part of our 24/7 follow-the-sun team.
• Relevant security certifications (e.g., GIAC, HTB CDSA, THM SAL) are a plus.

Sii Ukraine is a subsidiary of Sii Poland — the leader in IT, engineering, and consultancy services with over 7500 IT experts in Poland and more than 250 prestigious customers. We are looking for ambitious and top-quality professionals to join our project teams.

As a Senior Java Developer, you will join an exciting long‑term project for one of our clients, a leading global provider of technology solutions in the online trading domain. The main focus of the project is the development and enhancement of Price Alerts functionality, enabling users to receive real-time notifications when financial instruments reach predefined price levels.

The role involves working on a high-performance, distributed system that integrates APIs, real-time market data, and frontend applications within a unified platform. Due to the financial and time-sensitive nature of the product, reliability, scalability, and performance are critical.

Responsibilities:

• Design, develop, and maintain backend services and microservices supporting Price Alerts functionality
• Deliver scalable, maintainable solutions following clean architecture principles
• Build secure and reliable APIs to support system functionality and integrations
• Integrate with internal and external services and support asynchronous communication patterns
• Handle data processing, transformation, and integration across multiple sources
• Ensure high performance, reliability, and fault tolerance in a high-load, real-time environment
• Collaborate closely with cross-functional teams including frontend, QA, architects, and stakeholders
• Write and maintain automated and acceptance tests to ensure solution quality
• Participate in code reviews, technical design discussions, and continuous improvement initiatives
• Document solutions and contribute to knowledge sharing within the teamKey Requirements:

Key Requirements:

• 5+ years of experience as a Java Backend / Software Engineer
• Expert-level knowledge of Java 17+ and Spring Boot 3.x
• Hands-on experience with Hexagonal architecture (mandatory)
• Strong expertise in Spring Security, OAuth2, JWT (JWKS)
• Experience with Feign, Resilience4j, and AMQ messaging systems
• Proficiency in XML processing and JAXB marshalling
• Solid testing experience with JUnit 5 and Mockito
• Strong understanding of microservices, distributed systems, and high-availability architectures
• Experience in high-load, real-time environments (finance/trading is a plus)
• Strong analytical, problem-solving, and collaboration skills
• Fluency in English
• Tax residence in Ukraine is required

• Luxoft, a DXC Technology Company, is a digital transformation services and software engineering firm providing bespoke IT solutions that drive business change. In financial services we deliver complex projects with highly skilled engineering talents. If you would like to help us build engineering solutions that make difference for our global financial industry clients, this may be your opportunity. We are looking for C# engineers with experience in scalable system designs, to join the team developing a firm-wide Risk platform for our client US multinational investment bank. Working in this project will let you:
  - learn more about financial markets, products and risks.
  - verify and grow your skills in global diverse team.
   

• Responsibilities:

  - Design and develop software components for Equity Risk Platform built on C# and C++
  - Coordinate efforts with local developers and wider global team.
  - Do scalability and performance optimizations.
  - Manage the software development life cycle, from planning and prioritizing to testing and release.
  - Review, test and debug team members' code
  - Document development phases
  - Identify and analyze user requirements.
  - Selection of the most suitable solutions for creating a product
  - Compliance with deadlines
   

• Mandatory Skills Description:

  - 4+ years of hands-on experience using .Net technology stack and providing high-quality solutions.
  - Solid core .Net, multithreading, concurrency, design patterns.
  - Experience with SQL
  - Ability to apply modern security protocols and best practices.
  - Good delegation and time management skills
  - Problem-solving abilities
  - The ability to prove their point of view to the customer.
  - Excellent communication skills