Jobs at Djinni

At SPD Technology, we bring together a team of like-minded people who are driven by the desire to bring value through their work, united in their commitment to high performance and delivering custom, cutting-edge tech solutions that drive clients’ growth. We empower our people with a culture of excellence and enable them with the opportunity to uphold their accountability to contribute on each level. We value humanity and collaboration, encourage professional and personal growth, and foster a supportive and flexible work environment where everyone’s contribution is welcomed.

We are looking for a Senior ML & AI Engineer to join us as part of our team.

About the role

PitchBook’s Machine Learning Engineer is responsible for using machine learning, statistical modeling, and natural language processing (NLP) to collect a high volume of data for the PitchBook Platform and surface insights for the capital markets. This role will also serve as a resource and mentor for junior members of the team. A strong motivation to succeed is critical, and everyone has the opportunity to shape the long-term direction of our team.

About the project

PitchBook — a platform for investment professionals. Our software provides access to data and the analytical tools to get answers fast and discover promising opportunities. Uncovers actionable insights and trends hidden within the financial data of more than three million companies. Users all over the world include large corporations, start-ups, venture capital and private equity firms, investment banks, and many others. Features of PitchBook: Advanced search / Discovery & insights / Company profiles / Workflow & efficiency / Financials, and many more.

Team

Engineering Manager, 6 ML & AI Engineers

Work Environment

The role offers a flexible work schedule, allowing you to adapt your working hours with the requirement to attend all team meetings. The team follows a Scrum-based Agile methodology.

As a qualified expert, You will

• Work with GenAI & LLMs: Design, develop, and fine-tune generative AI models using transformer architectures. Implement advanced techniques to create practical solutions for real-world challenges.
• Use Modern Toolkits: Leverage frameworks like LangChain, LangGraph, and LangSmith to build automated pipelines and intelligent agents. Integrate these tools with vector databases for efficient similarity search and real-time analysis.
• Extract Data Insights: Process and analyze large volumes of unstructured data using embeddings and statistical modeling to identify meaningful insights.
• Build Scalable Systems: Collaborate with cross-functional teams to create production-grade ML systems that handle real-time, high-volume data processing.
• Mentor & Lead: Act as a mentor for junior team members and stay updated on trends in Agentic AI, transformer models, and generative systems.
• Collaborate & Communicate: Work with Product and Engineering teams to improve data management and support innovation. Present complex analyses clearly and effectively.
• Tech Stack & Focus Areas:
• Work with generative AI and transformer models, integrating frameworks like LangChain, LangGraph, and LangSmith to automate workflows and build intelligent systems.
• Use PyTorch, Scikit-Learn, and Spacy to build NLP pipelines. Implement vector databases for high-dimensional data embeddings and develop hybrid models to extract insights from diverse data sources.

We’re looking for you if you have:

• Educational Background: You hold a Bachelor’s or Master’s degree in Computer Science, Machine Learning, Statistics, or a related field.
• Experience: You bring 4+ years of production experience in the ML field, with a track record in developing transformer-based models and deploying them in scalable systems.

• Technical Expertise:

  - Proficient in Python and machine and deep learning frameworks like TensorFlow, PyTorch, ScikitLearn, Spacy, or others.

  - Experienced in natural language processing and modern LLM-based techniques.

  - Experience with full ML lifecycle, data preprocessing, training, evaluation stage, and monitoring techniques.

  - Skilled with SQL and data extraction methods.

• Innovative Thinker: You thrive on solving complex problems and are always exploring new trends in Generative AI.
• Collaborator & Communicator: You’re an excellent communicator able to collaborate and professionally express your thoughts to team members, other engineering teams, and stakeholders.
• Domain Knowledge: Exposure to financial services, investment banking, venture capital, or private equity is nice to have.

What’s in it for You

Reveal great tech solutions

Join the team of experts who create custom, cutting-edge tech solutions for world-renowned businesses, fueling client growth. Unleash your potential, tackle new challenges, and be part of a team that values your skills and contributions. Focus on long-term impact and building tailored, long-lasting partnerships with our clients.

Experience an agile and flexible working environment

Enjoy the freedom of fully remote work with a flexible working schedule. Empower yourself with a stable workload and a stable income, supported by provided laptops and licensed software. We focus on lasting cooperation and unite result-oriented individuals who stand on a high-performance approach to work.

Embrace the opportunity for personal and professional growth

Benefit from performance and merit reviews, elevate your skills with personal development plans, and individual learning through the corporate library, public speaking support, and more.

Be among like-minded people

Work with a team of one mind who cares about what they do and how they do. Collaborate with top-notch experts who are always ready to help and support you through any challenges. Join company-wide tech and cultural events, and contribute to meaningful CSR initiatives that resonate with your values. Feel supported by your HR, and take advantage of our referral bonus program.

Interview steps

• Pre-Screening with the recruiter
• Technical interview (up to 90 min)
• System Design interview (up to 45 min)
• Behavioral Round with Product Manager (45 min)
• Final interview with Engineering Manager (60 min).

We’re looking for a QA Lead to define testing strategy, lead QA across projects, mentor engineers, and ensure top product quality through strong processes, collaboration, and hands-on testing.
 

About Elevated Living Product:

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role:

We’re looking for a QA Lead who will take full ownership of our quality assurance processes across multiple projects. In this role, you’ll define testing strategies, set quality standards, and lead the planning and execution of all QA activities. You’ll work hands-on with test management tools, oversee both manual and automated testing efforts, and analyze results to drive product quality. This is a leadership position that requires strong communication, the ability to mentor QA engineers, and the confidence to collaborate closely with Product, Engineering, and Delivery teams in a fast-paced Agile environment.

Requirements:

• 4–5+ years of experience in QA (manual or manual + automation).
• Strong understanding of different test types and test runs, including Regression, Stress, Load, and Smoke Testing.
• Proven experience in planning, organizing, and leading QA activities across multiple projects.
• Ability to define QA processes, testing strategies, and quality standards for the team.
• Hands-on experience with test management tools (e.g., Qase, TestRail, Testmo, or similar).
• Solid knowledge of SDLC, especially within Agile/Scrum environments.
• Experience with both manual and automated testing approaches.
• Ability to analyze test results, identify root causes, and drive defect resolution.
• Strong understanding of performance, security, and usability testing principles.
• Experience using bug tracking systems such as Jira.
• Leadership skills with the ability to mentor, guide, and review QA engineers.
• Strong communication skills for effective collaboration with Product, Engineering, and Delivery teams.
• Ability to estimate QA efforts, manage priorities, and deliver under deadlines.

• English — upper-intermediate or higher.

   

  Recruitment process: intro (HR) -> technical -> final with PM
   

We are looking for a Project Manager who will help organize project delivery, coordinate developers, and ensure smooth communication with clients.

Our projects include web applications, automation systems, and SaaS tools built with modern technologies.

Responsibilities

• Manage software development projects from start to delivery
• Break down project requirements into tasks together with the technical lead
• Coordinate developers and track progress
• Ensure deadlines are met and projects stay organized
• Communicate with clients and clarify requirements
• Prepare project documentation and task descriptions
• Monitor project timelines and priorities
• Identify risks or blockers early and help resolve them

Requirements

• Experience as Project Manager in IT projects
• Understanding of software development lifecycle
• Ability to communicate with developers and clients
• Strong organizational and communication skills
• Experience working with remote teams

• English level: Upper-Intermediate or higher

   

Nice to Have

• Experience working with freelance platform Upwork
• Basic understanding of web development (JavaScript, React, Node.js, APIs)
• Experience with Agile / Scrum

• Technical background

   

Tools We Use

• Upwork
• Slack
• Task management tools (Trello / ClickUp / Jira)
• GitHub

What We Offer

• Fully remote work
• Flexible schedule
• Long-term collaboration
• Opportunity to grow with a small but ambitious team

About Us

We are a fast-growing HealthTech company building multiple products at the intersection of wellness and artificial intelligence. Our mission is to make self-optimization and well-being accessible to everyone through modern technology. Our most recognized product is Ultiself, a mobile habit tracker used by thousands of people worldwide.

This role, however, is focused on a new wellness product currently in active development. We are building a platform that will redefine how users interact with health and self-improvement tools.

To support this growth, we are looking for a Creative Manager for Advertising who can develop strong advertising concepts, analyze competitors, and help us continuously improve our creative strategy.

Must be ok working later hours at least until 1:00 PM NYC (Kyiv Time 14:00 - 22:00)

Location: Fully REMOTE

Salary: Commensurate with experience

Type: Full Time

Role Overview

We are looking for a creative and analytical person who is passionate about health, marketing, and user psychology. Your main responsibility will be developing advertising concepts for paid campaigns, primarily for Meta platforms (Facebook & Instagram).

This role requires someone who can:

• deeply understand the product
• analyze competitors
• generate new creative ideas
• write strong advertising hooks and messages
• continuously test and improve concepts

We are looking for someone who truly wants to grow in the health & wellness space and contribute to the development of a global product.

Responsibilities:

• Develop new advertising creative concepts for paid campaigns (primarily Meta Ads)
• Analyze competitors, market trends, and successful ads in the health & wellness space
• Create concepts for video and image ads
• Work closely with designers, editors, and marketing team members
• Write hooks, headlines, and primary ad texts
• Plan and organize creative testing
• Analyze creative performance and suggest improvements
• Generate new ideas for UGC-style ads, storytelling formats, and product positioning
• Help adapt advertising concepts for different audiences and markets

Required Skills & Experience:

• 2+ years of experience in marketing, advertising, copywriting, or creative strategy
• Strong copywriting or content writing skills
• Experience creating advertising concepts or marketing campaigns
• Ability to analyze competitors and identify successful advertising patterns
• Strong creative thinking combined with analytical mindset
• Good understanding of Meta advertising ecosystem
• Upper-intermediate English level or higher
• Strong research skills and ability to present insights clearly
• High level of organization and ownership

Important Requirements:

We are primarily looking for candidates who:

• Have experience working with international markets (US or Europe)
• Have experience in the health, wellness, lifestyle, or self-improvement niche

Experience with the US audience and understanding of US advertising communication style is a strong advantages.

Nice to Have

• Experience working with UGC creators or influencers
• Experience in mobile apps marketing
• Understanding of web funnels and conversion psychology
• Experience creating creative strategies for paid traffic
• Ability to think in advertising angles and positioning

Stages of the interview:

• Interview with a recruiter or HR (30 minutes)
• Test Task (completed within 1 day, typically requiring 2-3 hours of work)
• Meeting with Marketing Director (30 minutes)

The test task will help us understand how you analyze a product and generate advertising concepts for our target audience.

Benefits:

1. Fully remote work and flexible schedule, allowing you to independently plan your workweek. The main requirement is timely reporting on completed work.
2. Paid sick leave - 5 days.
3. Paid vacation - 20 days per year after the probationary period.

If you are passionate about health, marketing, and building powerful advertising concepts, we would love to hear from you. 

We will contact you within 5 working days of receiving your application.

Join us in making ULTISELF the next big thing in health and wellness!

Hi! We’re Moodro — a Ukrainian defense tech company building autonomous counter-UAS solutions with a strong focus on Electronic Warfare and signals-driven effects. Our products are designed to work in real field conditions, not only in lab demos. We’re expanding international traction and strengthening our commercial/capture function outside the U.S.

The role

We’re hiring an EU Business Development / Capture Manager to cover Europe. This is a hands-on role focused on customer engagement, opportunity shaping, and disciplined pipeline execution. It is not a reseller/broker position and not a “proposal-only” desk role.

What you’ll do

• Build and own the European pipeline: identify, qualify, and shape opportunities we can win.
• Drive working-level customer engagement: discovery, demos, follow-ups, translating operational needs into actionable requirements and capture actions.
• Run capture basics: account/contact plans, meeting notes, action items, opportunity reviews.
• Coordinate with internal stakeholders (technical, leadership, finance/contracts) to align solution, timelines, and proposal readiness.
• Represent Moodro at relevant European events, customer meetings, and partner sessions (regular travel).
•  

What success looks like

• Consistent customer engagement cadence (meetings/demos/follow-ups).
• A qualified pipeline with clear next steps and realistic win paths.
• Opportunity shaping progress (requirements clarity, advocacy building, solution alignment).

• Clear capture milestones achieved on priority pursuits.

   

What we’re looking for

• Proven experience in BD/capture/partnerships in defense, security, aerospace, telecom/RF, or adjacent B2G environments.
• Comfortable with field-facing work: customer discovery + demos + follow-up discipline.
• Ability to navigate long cycles, stakeholder mapping, and multi-party deals (including teaming/partners).
• Strong written and verbal English for international work (C1/C2 preferred; native not required).
• Willingness to travel across Europe.

Nice to have

• Direct exposure to EW / RF / SIGINT / counter-UAS / C5ISR.
• Existing network across EU defense/security stakeholders and integrators.
• Prior experience working with NATO-facing environments or international partners.

Work format

• Remote within Europe + regular travel for customer engagements and events.

Natural Links builds and scales SEO-driven iGaming projects.
Our affiliate direction is already producing results, and we’re moving into an active growth phase

We’re looking for an Affiliate Partnerships Manager with strong iGaming experience and a clear understanding of affiliate traffic and deal economics.

Responsibilities

• Build and manage partnerships with casinos and affiliate programs
• Negotiate CPA, RevShare, and hybrid deals
• Maintain long-term partner relationships
• Track performance, payouts, and ROI
• Represent Natural Links at international iGaming events
  (SiGMA, iGB, SBC, AWA)

Requirements

Must-haves

• Experience in iGaming / Gambling affiliate marketing
• Clear understanding of affiliate traffic and monetization logic
• Hands-on experience with CPA, RevShare, and hybrid models
• Practical experience with Keitaro 
• Strong negotiation and communication skills
• English B2+
• Self-driven, ownership mindset
• Ability to attend and network at iGaming conferences across Europe

Nice-to-haves

• Background closer to the traffic / affiliate side, or real experience working with affiliates and understanding how they monetize traffic
• Network of affiliate or casino contacts
• Familiarity with SEO traffic and conversion metrics
• Experience attending iGaming conferences

What We Offer

• Remote-first, international team
• Flexible schedule, transparent KPIs
• 30 business days paid time off
• Paid travel to major iGaming events
• Direct influence on affiliate growth

Flyer One Ventures — is a seed-stage venture capital firm which invests in European startups. We’ve already invested in 87 startups and deployed nearly $43M within six years. 

We focus on software-first products that use the power of tech to boost productivity. We primarily invest at seed. Occasionally, we do pre-seed, focusing on second-time founders. Our average check is $500k, but we can go as low as $200k and as high as $2M with follow-ons. We are a fund of entrepreneurs who know how hard it is to build a company. Our team helps founders with growth, recruiting, PR, business development, and investment relations.

Currently, we are looking for an experienced Middle Talent Acquisition specialist, who will work closely with our portfolio companies to hire the best talents for their team.
 

What you will do:

• coordinate full-cycle recruitment;
• proactively source for new candidates using various channels;
• conduct pre-screen calls and HR interviews to evaluate candidates based on their experience and cultural fit;
• gather and provide feedback to candidates during the hiring process;
• lead the preparation of job offers and negotiate compensation;
• work with hiring managers and interviewers, identify unique selling points;
• prepare analytics for conducting weekly status meetings with the hiring manager;
• prepare market research.
   

About you:

• at least 1 year of experience as a Recruiter/Talent Acquisition specialist;
• experience at product IT companies/startups and/or agencies;
• experience in recruiting non-tech positions (Marketing, Sales, Customer Success, etc) will be a plus;
• strong interpersonal, problem-solving and decision-making skills;
• English - at least Upper-Intermediate.
   

What we offer:

• Opportunities for growth both horizontally and vertically, plus unlimited resources for development;
• Flexible schedule and the possibility to work remotely or from our Kyiv or Warsaw office;
• Delicious perks — breakfasts, lunches, unlimited fruits, snacks, smoothies, and yogurts in the office;
• Corporate doctor and health insurance;
• Compensation for external training, seminars, and Business & Management School programs;
• Well-being programs — yoga, team workouts, and mental health support;
• English classes covered by the company;
• Unforgettable offsites — last time we went to Portugal 🇵🇹
   

Join us!

Flyer One Ventures is a seed-stage venture capital firm investing in ambitious European startups. In six years, we’ve invested in 87 companies and deployed nearly $43M, helping founders scale from idea to global markets. Check out our portfolio companies. 

We invest in software-first companies and partner with founders beyond capital — supporting growth, recruitment, PR, business development, and investor relations.

Our recruitment function is one of our key differentiators — and we are scaling it further. 

We are looking for a Senior Talent Acquisition Specialist to lead hiring across our portfolio companies and act as a strategic recruitment partner for founders and hiring managers.

You will not just close roles — you will build hiring strategies, shape talent pipelines, and influence company growth from day one.

What will you do:
 

• Own end-to-end recruitment for multiple portfolio companies (tech & non-tech roles);
• Partner with founders and hiring managers to define hiring strategy, role requirements, and positioning;
• Build proactive pipelines using advanced sourcing strategies, LinkedIn, outbound, and talent mapping;
• Conduct in-depth interviews and assess candidates on skills, culture fit, and growth potential;
• Drive offer preparation and compensation negotiation with candidates and stakeholders;
• Provide data-driven hiring analytics (funnels, time-to-fill, sourcing effectiveness, market insights);
• Continuously improve recruitment processes, templates, and best practices across the portfolio.
   

About you:

• 3+ years of experience in Talent Acquisition / Recruitment (product companies, startups, or agencies)
• Proven track record of closing complex roles (tech or business) and working with multiple stakeholders
• Strong sourcing expertise and ability to build long-term pipelines
• Experience in hiring non-tech roles (Marketing, Sales, CS, Operations) is a plus
• Data-driven mindset with strong communication and stakeholder management skills
• English Upper-Intermediate or higher
   

What we offer:

• High-impact role working directly with startup founders and top-tier portfolio companies;
• Rapid growth opportunities — horizontally (new markets, functions) and vertically (leadership roles);
• Flexible schedule + remote work;
• Training, conferences, and business education programs;
• Health insurance + corporate doctor;
• Well-being benefits: yoga, workouts, mental health support;
• English classes covered by the company;
• Sport reimbursement;
• Legendary team offsites — last time in Portugal 🇵🇹

Seeking an experienced VS Code extension developer to create and maintain a private productivity extension for internal engineering teams. The extension will surface DevOps dashboards, time tracking, infrastructure monitoring, log viewers, and automated reporting within the editor to streamline workflows. Must have strong TypeScript and Node.js skills, deep knowledge of the VS Code Extension API, and experience with bundlers (Webpack or ESBuild). Familiarity with CI/CD, container environments, cloud infrastructure, React or Webview UIs, REST APIs, and WebSocket/streaming logs is required.

Only applicants with prior experience developing and publishing VS Code extensions will be considered.

We are looking for a Business Development Manager (PSP) to join a global IT FinTech holding that develops its own payment solutions for high-risk industries (gambling, betting, iGaming, and forex). The company provides access to a wide range of international payment methods and builds partnerships with clients across the globe.

The  products: own payment solutions and PSP systems 
The  project: develop new PSP solutions and expansion onto new markets (Tier1/Tier 3).
Work type - Fully remote job from any country 
Conditions - Competitive salary + benefits, remote mode (Full-time), career and financial growth, paid vacation and sick leave, and other goodies. 

Requirements

• 2 + years in Business Development in FinTech, PSP, payment integrators, in-house PSP of iGaming companies.
• Proven experience in launching and managing payment solutions in Tier1 or Tier 3 markets 
• Having a network with banks, payment providers, local agents etc.
• Strong relationship-building abilities with external partners (PSPs, acquirers, payment providers, banks etc)
• Understanding of compliance, KYB, licensing specifics
• Strong research, sales, analytical, and negotiation skills.
• English — B2+

Responsibilities

• Research and analyze new GEOs (Tier1/Tier 3).
• Identify, approach, and sign partners — PSPs, acquirers, banks etc.
• Negotiate terms, fees, and risk models; manage the full deal cycle
• Coordinate with internal teams (Product, Compliance, Finance) to launch live payment flows
• Maintain and expand partnership pipeline; prepare reports and forecasts
• Attend industry expos and short business trips when needed
  
   

We offer

• Financial stability and competitive salary
• Individual bonuses for benefits compensation (healthcare, hobby, equipment and workstation)
• An honest and professional team that is ready to listen and understand, and most importantly, support you in your ambitious professional ideas!
• A dynamic and flexible startup environment that encourages innovation
• 24 paid vacations, not limited to sick leaves, and additional day-offs
• The perspective of development in FinTech with a focus on a foreign market

We are looking for a Sales Manager/BizDev (iGaming) to an international innovative IT product company specializing in deep-technology solutions for the iGaming industry, transitioning from a broad marketplace to a focused product-driven model: developing three core in-house solutions.

Main Products: In-house Live Data Feed, Sportsbook Solutions, Marketplace solutions remain available (casino, KYC, aggregators).

Main markets: Turkey, India, Bangladesh, Australia, South Africa, Europe (selectively)
Sales Team: CCO, Head of Business Development, 2 Business Developer Managers
Work type: Fully remote from any country (preferably Europe or Asia time zones)

Conditions:  High fixed salary + bonuses, compensation for courses and main events in different countries, paid vacation and sick leave and other benefits. 

Requirements

• 2+ years of B2B sales experience in iGaming 
• Proven experience in the sale of data feed/sportsbook/platform operations and betting markets 
• Proven sales experience in one or several markets (e.g., Turkey, India, Bangladesh, Australia, Africa etc.)
• Proven track record of closing deals (any size, but must demonstrate real contribution)
• Experience workstems (e.g., Pipedrive)
• English  B2+
• Existing network of operators or platform partners
• Ability to work independently in a fast-moving, high-growth environment
• Strong negotiation skills and resilience, combined with a strong team-player attitude
  
   

Responsibilities

• Create and implement a comprehensive B2B sales strategy to achieve company sales goals and expand market share in the iGaming industry
• Delivering the complete B2B sales process: from prospecting to deal closure
• Building long-term relationships with clients and maintaining accounts after closing
• Expanding presence in priority regions (Turkey, India, Bangladesh, Africa, Asia)
• Collaboration with cross teams to deliver client needs
• Participation in major iGaming conferences (ICE, SBC, iGB, regional expos)
• Representing the brand in online and offline business activities 

We Offer

• Competitive fixed salary + attractive bonuses based on performance
• 100% remote work with a flexible schedule
• High-impact role within a rapidly growing international team
• Professional growth: expanding into new geos, owning sales strategy
• Supportive, open-minded team culture with fast decision-making
• Business trips to industry events and conferences
• 24 days of paid vacation + sick leaves

Smart-Dato is a product-focused company building scalable, data-driven platforms. We are looking for a Senior Laravel Developer to take ownership of backend development and architecture.

What you’ll do

• Design, develop, and maintain Laravel-based backend systems
• Take ownership of API architecture (REST / JSON APIs)
• Improve performance, scalability, and security of existing services
• Work with databases (MySQL / PostgreSQL) and optimize queries
• Implement background jobs, queues, and scheduled tasks
• Write clean, testable, and well-documented code
• Review code and mentor other developers
• Collaborate with frontend, QA, and product stakeholders
• Participate in architectural and technical decisions

What we expect

• 5+ years of professional PHP development
• Strong Laravel expertise (Laravel 9+ is a big plus)
• Solid understanding of:
  • OOP, SOLID principles, design patterns
  • RESTful API design
  • Queues, events, jobs, caching
• Experience with:
  • MySQL / PostgreSQL
  • Redis
  • Docker (basic to advanced)
• Comfortable working with Git and CI/CD pipelines
• Experience writing automated tests (PHPUnit / Pest)
• Ability to work independently and take technical ownership
• Good communication skills in English

Nice to have

• Experience with:
  • Microservices or modular monoliths
  • AWS / DigitalOcean / cloud infrastructure
  • Frontend frameworks (Vue / React) on a basic level
• Experience working in product-oriented teams
• Background in data-heavy or SaaS platforms

Our Mission

With passion and expertise, our experts develop custom software solutions, e-commerce platforms, and mobile applications that turn complex challenges into tangible success and ensure long-term progress.

What we offer

• Competitive salary based on experience
• Remote-friendly setup
• High level of technical ownership and autonomy
• Clean codebase and focus on quality (not “just ship it”)
• Long-term collaboration and product stability
• No micromanagement, no corporate bullshit

We're building a modern SaaS application and seeking a Middle Java Backend Engineer to join our growing team. You'll play a key role in architecting and developing our API infrastructure while contributing to AWS-based deployment strategies.

Required:

• 3+ years of commercial Java development experience
• Strong expertise in building and maintaining production-grade REST APIs
• Proficient with Spring Boot or equivalent frameworks (Google Guice, Vert.x)
• Hands-on experience with MongoDB and NoSQL database design
• Solid SQL knowledge and relational database experience
• Comprehensive testing practices using JUnit and Mockito
• Deep understanding of API design principles, RESTful patterns, and best practices
• Ability to work independently and take ownership of features end-to-end

Strong Advantage:

• DevOps skills with practical experience in infrastructure deployment and automation
• Production experience with AWS services (ECS Fargate, ECR, CloudWatch, VPC, IAM)
• CI/CD pipeline implementation (GitHub Actions, Jenkins, GitLab CI)
• Infrastructure as Code experience (Terraform, AWS CloudFormation, CDK)
• Docker containerization and orchestration
• Elasticsearch for search and analytics
• Experience with distributed systems and async processing

What You'll Do:

• Architect and develop scalable, maintainable REST APIs
• Build robust backend services for our SaaS platform
• Design database schemas and optimize query performance
• Write comprehensive unit, integration, and API tests
• Participate in infrastructure planning, setup, and deployment
• Contribute to architectural decisions and technical roadmap
• Possibly mentor junior developers and conduct code reviews
• Ensure code quality, security, and performance standards

Nice to Have:

• Microservices architecture and domain-driven design experience
• AWS DocumentDB or MongoDB Atlas in production environments
• Message queuing systems (RabbitMQ, AWS SQS, Kafka)
• Monitoring and observability tools (Prometheus, Grafana, ELK stack)
• API security best practices (OAuth2, JWT, API Gateway)
• Performance optimization and profiling experience

What We Offer:

The opportunity to work on a product from the ground up, influence architectural decisions, and grow with the platform as it scales.

About your key responsibilities and impact:

• Designing and implementing scalable and efficient software architectures;
• Writing, testing, and debugging complex code for new and existing software applications;
• Providing guidance and mentorship to junior engineers and team members;
• Conducting thorough code reviews to ensure code quality, security, and best practices;
• Creating and maintaining comprehensive technical documentation for software development and system design;
• Leading and managing software development projects, ensuring timely delivery and quality (shared responsibility with the Delivery Manager);
• Working closely with cross-functional teams, including product management, design, and operations, to align development efforts with business goals;
• Researching and implementing new technologies and methodologies to improve software performance and development processes;
• Identifying and resolving complex software issues and technical challenges;
• Driving continuous improvement in software development practices and processes;
• Communicating effectively with stakeholders, including presenting technical concepts and project updates;
• Delivering code to production in a timely manner according to business expectations.

Essential professional experience:

• 3+ years of experience in back end;
• System Design & Architecture – strong experience designing scalable, resilient .NET systems using microservices, event-driven and cloud-native architectures (Azure/AWS);
• Backend Expertise – advanced C# skills, RESTful API development, asynchronous programming, and deep understanding of design and resilience patterns (DDD, CQRS, circuit breaker, etc.);
• Database Mastery – proficiency in SQL optimization, data modeling, indexing, and experience with both relational and NoSQL databases;
• Messaging & Performance – hands-on Kafka expertise, high-load system optimization, caching, and distributed computing;
• DevOps & Cloud – solid experience with CI/CD pipelines, Docker/Kubernetes, and infrastructure automation;
• Quality & Observability – strong focus on testing (xUnit, NUnit), monitoring (Serilog, App Insights), and secure coding practices;
• Leadership & Collaboration – mentoring peers, driving technical decisions, and ensuring engineering excellence within Agile teams;
• Languages – Intermediate+ English, B2+ Ukrainian/Russian

About the Company:

Our client is a San Francisco-based cybersecurity startup helping organizations secure and manage sensitive data. Their AI-powered platform discovers, classifies, and protects sensitive data across cloud apps, infrastructure, and internal systems, preventing leaks and ensuring compliance.

About the Product:
The first AI-native data leak prevention (DLP) solution, designed for modern enterprises. It protects sensitive data across SaaS, email, endpoints, and AI tools with high accuracy and minimal disruption. The Developer Platform allows flexible integration of data protection capabilities.

About the Role:
As a Backend Engineer, you’ll build low-latency, real-time microservices for detecting sensitive data. This team focuses on data exfiltration prevention on endpoints (MacOS or Windows), developing core platform features using deep OS-level knowledge.

Requirements:

• Minimum 5+ years of related work experience.
• Expertise in one of the following: Objective-C, Swift on MacOS or C/C++ on Windows.
• Demonstrable expertise in developing agents on one of MacOS or Windows:
• On MacOS, practical development experience with Endpoint Security System Extension is required. A plus will be knowledge of IOKit and of MacOS VFS model.
• On Windows, practical development experience with WDF (Windows Driver Frameworks), filter drivers and familiarity with user mode apps is required.
• Readiness to learn other systems languages (e.g. Rust, Go, Python). Prior experience in one of these languages is a definite plus.
• Experience with kernel-level debugging processes and tools. Ability to use reverse engineering techniques and debugging of kernel space code.
• Ability to decompose complex business problems and own them end to end across teams.
• Upper-Intermediate English.

Responsibilities:

• Designing and developing data exfiltration prevention apps, drivers, system extensions and services on MacOS or Windows.
• Maintaining and evolving mission-critical agents on endpoints.
• Own complex features from design to delivery and troubleshoot issues from customers.
• Designing and building secure software with cross-platform deliverables (Windows, MacOS).
• Writing and maintaining documentation about internal and public services.

What we offer:

• Long-term employment with competitive compensation, based on experience.
• Possibility to work remotely.
• An open, transparent and fun work culture.
• Multi-national team and collaborative work environment.
• Continuous knowledge sharing with engaged co-workers.
• Career and professional growth opportunities.