Jobs at Djinni

You will work on scalable AI solutions, developer-focused tools, workflow automation, and AI capabilities that improve engineering productivity and deliver real business value for clients.

Responsibilities:

— Design, build, and deploy LLM-based applications and agentic AI systems from prototype to production.

— Develop production-grade AI agents, multi-agent systems, and tool-using workflows.

— Implement RAG pipelines over proprietary and third-party data sources.

— Build and maintain vector databases for AI data storage, retrieval, and search.

— Design and implement AI-powered capabilities such as code assistance, documentation generation, test automation, summarization, knowledge discovery, and code review support.

— Evaluate foundation models such as OpenAI, Anthropic, Gemini, Llama, and other commercial or open-weight models.

— Build LLM evaluation and benchmarking pipelines, including offline tests, online monitoring, human-in-the-loop review, and quality measurement.

— Improve model performance across relevance, faithfulness, latency, throughput, reliability, and cost.

— Design and maintain APIs, backend services, integrations, data flows, and custom tools for AI systems.

— Build custom tools, skills, integrations, and MCP-style server/client patterns for agentic workflows.

— Deploy, monitor, and optimize AI systems on cloud platforms, with a focus on scalability, reliability, observability, and cost efficiency.

Requirements: 

— 2+ years of hands-on experience building and deploying LLM-based applications, RAG systems, or AI agents in production.

— Strong Python experience, ideally 3+ years.

— Experience building backend systems, APIs, services, integrations, and data flows.

— Experience with object-oriented programming, backend architecture, design patterns, and production system design.

— Hands-on experience with LangChain, LangGraph, or similar AI orchestration frameworks.

— Strong experience designing agentic AI systems, tool-using agents, or multi-step AI workflows.

— Experience with RAG architecture, including chunking strategies, embeddings, vector databases, reranking, and retrieval evaluation.

— Experience with vector databases such as Pinecone, Weaviate, Qdrant, Chroma, Milvus, or similar.

— Experience with LLM evaluation and benchmarking, including designing evaluation pipelines and measuring model performance.

— Strong prompt design, prompt iteration, and prompt optimization skills.

— Experience working with major model providers or open-weight models such as OpenAI, Anthropic, Gemini, Llama, or similar.

— Cloud experience with AWS, GCP Vertex AI, Azure AI Foundry, or similar platforms.

— Familiarity with AI safety, responsible AI, guardrails, and output validation for production systems.

— Experience with CI/CD pipelines, deployment workflows, and engineering best practices.

We offer:

— remote time job, B2B contract
— 12 sick leaves and 18 paid vacation business days per year
— Comfortable work conditions (including MacBook Pro and Dell monitor on each workplace)
— Smart environment
— Flexible work schedule
— Competitive salary according to the qualifications

Your Responsibilities:

• Develop and manage the affiliate program.
• Attract new partners and build long-term relationships.
• Analyze campaign performance and implement improvements.

Requirements:

• 1+ year of experience working solely in an affiliate network (preferably in gambling).
• Understanding of key tools and techniques in affiliate marketing.
• Analytical mindset and strong communication skills.
• Existing network of contacts is a plus.
• English level B1 or higher.

We Offer:

• Competitive compensation.
• Fast career growth opportunities.
• Exciting projects with well-known brands.
• A friendly and professional team.

Company: Interexy

 Location: Hybrid / Remote Job

 Type: Full-time

 About Us: Interexy (https://interexy.com/) is a global custom software development and IT consulting company founded in 2017 and headquartered in Miami. We deliver innovative solutions for giants like SAP, PwC, and General Electric, with deep expertise in AI, ML, Blockchain, and FinTech. As we expand our AI Agent Development department, we need an AI/ML Engineer who takes full ownership — we don't build demos, we ship high-performance, production systems for enterprise clients.

We expect from you:

• At least 2 years of experience developing ML solutions.
• Deep knowledge of:
  • Linear algebra,
  • Probability theory,
  • Mathematical statistics.
• Strong proficiency in Python:
  • NumPy, Pandas, SciPy, scikit-learn.
• Understanding and practical experience with ML algorithms:
  • Collaborative filtering,
  • Content-based filtering,
  • Embeddings,
  • Gradient boosting, neural networks.
• Strong knowledge of SQL.
• Experience with Python backend (FastAPI).
• Understanding of high-load system design and microservice architecture.
• Experience building recommender systems.
• Experience with big data tools:
  • Spark, Kafka, Airflow, ClickHouse, Elasticsearch.
• Experience with deep learning (PyTorch / TensorFlow).
• Experience with A/B testing and model quality evaluation (precision, recall, NDCG, MAP).
• Experience with Docker, Kubernetes.
• Understanding of MLOps (ML pipelines, model deployment, monitoring).

Responsibilities:

• Designing and developing recommendation algorithms for music content.
• Building ML models and feature engineering.
• Integrating ML models into Python backend and product services.
• Optimizing recommendation quality and system latency.
• Analyzing user behavior and musical preferences.
• Developing and maintaining ML pipelines (training, testing, deployment).
• Running experiments and A/B tests.
• Participating in architectural decisions for the recommendation engine.
• Documenting solutions and collaborating with the backend team.

We are looking for a Junior Strong/Middle Full Stack Developer to join a USA-based project and take ownership of building and maintaining third-party integrations on a modern B2B platform. Our product helps businesses make smarter use of their data by connecting external tools — file storage, communication platforms, and project management systems into an AI-powered knowledge layer. You’ll be working with a skilled team on a scalable, high-impact system using up-to-date technologies.

Requirements:
— 2+ years of experience in web development with TypeScript and Node.js across both frontend and backend.
— Strong experience with React, including modern patterns (Server Components, Server Actions, hooks, component architecture).
— Hands-on experience building and consuming REST APIs, including OAuth 2.0 authorization flows (authorization code grant, token refresh, service-to-service auth).
— Working knowledge of relational databases and ORMs (we use PostgreSQL and Prisma).
— Experience with background job processing, task queues, or worker-based architectures (we use BullMQ with Redis/Valkey).
— Familiarity with Next.js (App Router) or a similar full-stack framework.
— Proficiency with Git and comfort working in a monorepo (pnpm + Turborepo).
— Strong problem-solving skills and attention to detail — integration work requires debugging across multiple systems and APIs.
— A proactive, organized, and independent approach to work. You’ll own features end-to-end, from database schema to UI.
— Upper-intermediate or higher English proficiency, enabling effective communication within an international team.

Nice to have:
— Familiarity with third-party APIs.
— Experience with AI/LLM integrations or working on AI-adjacent products.
— Familiarity with OpenTelemetry, structured logging, or observability tooling.

Responsibilities:
— Design, build, and maintain third-party integrations end-to-end: OAuth flows, API route handlers, database models, background sync workers, and admin/user-facing configuration UIs.
— Implement reliable data crawling and synchronization pipelines that run as background tasks, handling rate limiting, pagination, error recovery, and incremental sync.
— Work with PostgreSQL (Prisma) to design schemas for integration credentials, sync state, and external resource mappings.
— Build admin setup flows and user-facing integration pages using React, Next.js Server Components.
— Collaborate with the team on architecture decisions for new integrations.
— Ensure production reliability through proper error handling, OpenTelemetry instrumentation, and structured logging.
— Contribute to shared packages in our monorepo — integrations library, server actions, operations queue, and UI components.

Interview stages:
— HR interview (30 minutes).
— Technical interview (1 hour).
— Interview with the customer (1 hour).
— Job offer 🎉🎉🎉

We offer:
— Competitive salary.
— Challenging tasks and projects.
— Opportunities for professional development and growth.
— Flexible working hours.
— New hardware.
— Free English lessons.
— Table tennis and yoga classes.
— Availability of generators and Starlinks in the office.
— Small gym in the office.
— Adjustable height tables.
— Regular office fruit delivery and other benefits.

Let’s create value together!

Key Responsibilities:

• Identify and attract new partners (affiliate networks and direct advertisers).
• Negotiate and onboard partners into our network: contracting, terms alignment, and signing.
• Manage partner relationships: onboarding, support, performance analysis, and regular reporting.
• Deal analytics in Google Spreadsheets/Excel; optimization based on KPIs.
• Handle documentation: contract preparation and related administrative tasks.
• Attend iGaming conferences and stay active in industry communities.

Requirements:

• 1+ year of experience in Business Development, Affiliate, or Sales within iGaming.
• Understanding of business models: RevShare, CPA, flat, hybrid.
• Strong analytical skills and experience working with large datasets.
• Proficiency in Google Sheets/Excel for analytics and reporting.
• English — Intermediate+ level.
• Soft skills: communicative, proactive, adaptable, and self-driven.

We Offer:

• Remote work format.
• Competitive compensation.
• Support for professional growth.
• Participation in corporate events.
• Flexible schedule, autonomy, and quick decision-making with no bureaucracy.

We are looking for a dedicated Middle QA Engineer to join our team. This role combines quality assurance and customer support, requiring strong attention to detail, proactivity, excellent communication skills, and a good understanding of system functionality.
 

Responsibilities

• Test website functionality to ensure everything works as expected.
• Write and execute test cases, and document any bugs with clear details.
• Work with developers to explain issues and verify fixes.
• Understand the system’s business logic and how it should work.
• Stay on top of updates.

Requirements

• Soft Skills:
  • Strong problem-solving and analytical skills.
  • Excellent written and verbal English communication skills.
  • Ability to work under pressure and multitask.
     

What We Value

• A quick learner who enjoys understanding how systems work.
• Someone who can explain technical issues clearly to both customers and developers.
• A proactive individual with a strong work ethic.
   

Nice to Have

• Experience working on fintech projects.

Our client is a leading, fully regulated US-based digital asset trading platform. They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.

About This Role

The Senior Software Engineer, Web is part of the Engineering team and reports to our Manager, Engineering. As a Senior Software Engineer, Web, you will be responsible for designing and building scalable, high-performance web applications using Next.js and modern front-end technologies.

You will partner with Product, Design, Backend, and DevOps teams to deliver performant, accessible, and secure user experiences while contributing to front-end architecture and engineering best practices.

Key Responsibilities

• Design and implement scalable front-end features using Next.js, React, and TypeScript.
• Own end-to-end development of web features, including testing, deployment, and maintenance.
• Build modular and reusable UI components to support scalable development.
• Optimize web performance through SSR/SSG, lazy loading, and responsive design techniques.
• Monitor and improve performance metrics such as page load time, TTI, and Core Web Vitals.
• Collaborate cross-functionally with Product, Design, Backend, and DevOps teams to define requirements and deliver features.
• Contribute to front-end architecture decisions and engineering best practices.
• Participate in code reviews and mentor junior engineers to improve code quality and team standards.
• Partner with DevOps to support CI/CD pipelines and reliable deployment processes.

• Ensure high standards in code quality, accessibility, security, and automated testing (unit, integration, E2E).

   

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science or related field.
• ~8 years of professional software engineering experience, or ~6 with an advanced degree.
• Strong communication and collaboration skills, motivation, problem solving mind set. 
• Strong proficiency in Next.js, React, TypeScript, JavaScript, HTML5, and CSS3.
• Strong experience with GraphQL and REST API.
• Experience with performance optimization tools (Lighthouse, WebPageTest, Chrome DevTools).
• Solid understanding of SSR/SSG, CDN strategies, caching, and responsive design principles.
• Familiarity with front-end security best practices.
• Experience with Git, CI/CD pipelines, and modern deployment workflows.
• Exposure to cloud platforms such as AWS or GCP.
• Strong collaboration skills working with Product, Design, and Backend teams.
• Experience mentoring junior engineers and contributing to team development.

• Bonus: Experience with analytics instrumentation or blockchain-integrated front-ends (e.g.,ethers.js, wallet integrations).

   

We offer*:

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

*not applicable for freelancers

Join Sigma Software as a Senior Test Engineer and help shape the quality of a cutting-edge social shopping platform that blends e-commerce with social networking. This role offers the opportunity to work on a high-impact product used by millions of fashion lovers worldwide.
 

You will be part of our Mobile & Web Solutions department, collaborating with talented professionals and applying the Quality Assistance model to ensure exceptional user experiences.

We at Sigma Software value innovation, teamwork, and professional growth. By joining us, you will gain access to diverse projects, supportive colleagues, and a culture that rewards initiative and expertise.
 

Customer

Global marketplace for fashion, combining e-commerce with social networking features. It enables users to sell customized or rare clothes and accessories, promoting sustainable consumption by recycling unwanted items for money.
 

Project

The project is a social shopping platform where users create profile pages to post pictures and descriptions of items for sale, enhanced with hashtags for easier discovery. Focused on clothes retail, it aims to deliver an evocative buying and selling experience. Key tasks include payment system integration and accessibility feature implementation.

 

Requirements

• 4,5+ years of QA experience with end-to-end ownership of testing processes
• Strong exploratory testing skills beyond scripted test cases
• Experience testing mobile apps (iOS and Android), including release processes
• Ability to work autonomously across multiple cross-functional teams
• Familiarity with agile workflows, feature flags, and staged rollouts
• Strong requirements analysis skills, able to clarify edge/corner scenarios
• Comfortable with context switching and supporting multiple teams in parallel
• SQL — ability to write moderately complex queries
• API Testing — hands-on experience with REST APIs using tools like Postman
• Solid understanding of HTML, CSS, cookies, caching, browser behavior
• Experience deploying builds via Android Studio, Xcode, or similar tools
• Git — practical experience with branches, commits, code reviews, pull/merge requests
• Upper-Intermediate+ English proficiency
   

Responsibilities

• Work as part of the product development team, collaborating closely with customer-side developers
• Follow and support the Quality Assistance process
• Plan and estimate testing activities
• Create and maintain test documentation
• Design and execute manual, snapshot, and UI tests for new features
• Perform Functional, Regression, and Compatibility testing across Web and Mobile platforms
• Conduct release validation, smoke testing, and post-deployment quality checks
• Provide clear and regular status and progress reports
• Collaborate with product owners, business analysts, and development teams to ensure product quality
• Identify, document, and communicate risks and issues constructively

Приєднуйтесь до Sigma Software на позицію Senior Test Engineer та долучіться до формування якості інноваційної social shopping платформи, яка поєднує e-commerce із соціальними мережами. Ця роль відкриває можливість працювати над продуктом із великим впливом, яким користуються мільйони поціновувачів моди по всьому світу.

Ви станете частиною нашого Mobile & Web Solutions департаменту, співпрацюватиме з талановитими професіоналами та застосовуватиме підхід Quality Assistance, щоб забезпечити винятковий досвід користувачів.

У Sigma Software ми цінуємо інновації, командну роботу та професійний розвиток. Приєднавшись до нас, ви отримаєте доступ до різноманітних проєктів, підтримку колег та культуру, яка заохочує ініціативність та експертність.
 

Клієнт
Глобальний маркетплейс для моди, який поєднує e-commerce з функціоналом соціальних мереж. Дозволяє користувачам продавати кастомізований або рідкісний одяг та аксесуари, сприяючи сталому споживанню шляхом переробки непотрібних речей за гроші.
 

Проєкт
Соціальна шопінг-платформа, де користувачі створюють профільні сторінки, публікують фото та описи товарів для продажу, додаючи хештеги для зручного пошуку. Зосереджена на роздрібній торгівлі одягом, платформа прагне створити емоційний досвід купівлі та продажу. Основні завдання — інтеграція платіжної системи та впровадження функцій доступності.
 

Вимоги

• 4,5+ років досвіду в QA із повною відповідальністю за процес тестування 
• Сильні навички exploratory testing, що виходять за межі скриптованих тест-кейсів
• Досвід тестування мобільних застосунків (iOS та Android), включно з процесами релізів
• Здатність працювати автономно у кількох крос-функціональних командах
• Знання agile-процесів, feature flags та staged rollouts
• Вміння аналізувати вимоги та уточнювати edge/corner сценарії
• Комфортна робота з context switching та підтримкою кількох команд паралельно
• SQL - вміння писати помірно складні запити
• API Testing - практичний досвід роботи з REST API через інструменти на кшталт Postman
• Добре розуміння HTML, CSS, cookies, caching, поведінки браузерів
• Досвід деплойменту збірок через Android Studio, Xcode або подібні інструменти
• Git - практичний досвід роботи з branches, commits, code reviews, pull/merge requests
• Рівень англійської - Upper-Intermediate+
   

Обов’язки

• Працювати у складі команди розробки продукту, тісно співпрацюючи з розробниками зі сторони замовника
• Дотримуватись та підтримувати процес Quality Assistance
• Планувати та оцінювати тестові активності
• Створювати та підтримувати тестову документацію
• Розробляти та виконувати manual, snapshot та UI тести для нових функцій
• Виконувати Functional, Regression та Compatibility тестування для Web та Mobile платформ
• Проводити release validation, smoke testing та post-deployment перевірки якості
• Надавати чіткі та регулярні звіти про статус і прогрес
• Співпрацювати з product owners, business analysts та командами розробки для забезпечення якості продукту
• Виявляти, документувати та конструктивно комунікувати ризики й проблеми

Cloudfresh is a Global Google Cloud Premier Partner, Zendesk Premier Partner, Asana Platinum Partner, GitLab Select Partner, Hubspot Diamond Partner, and JumpCloud Platinum Partner. Since 2017, we have specialized in the implementation, migration, integration, audit, administration, support, and training for top-tier cloud solutions.

As a Google Workspace Technical Specialist, you will play a strategic role in our technical team. Your mission is to drive technical excellence and customer success within the Google ecosystem. You will be the technical expert throughout the entire client lifecycle: from early presale demonstrations and complex migrations to ongoing implementation and proactive support. We are looking for an “A-player” who doesn’t just “fix tickets” but takes Ownership of the client’s challenges and delivers high-value solutions.

Requirements:

• Technical Mastery: 2-3 years of proven success in a similar technical role.
• Product Expertise: Deep knowledge of Google Workspace: Admin Console, Security, GCDS and Chrome Enterprise ecosystems.
• Ownership & Autonomy: A proactive, self-driven mindset—you create solutions rather than wait for instructions.
• Language Proficiency: B2 English level required.
• Curiosity: Learning agility and a constant drive to stay updated with the latest Google Cloud standards and updates.
• Customer Focus: Understand customer needs, paint points and translate them into solutions.

Responsibilities:

• Presale & Technical Consulting: Lead technical discussions during presale stage to identify client needs and demonstrate the value of Google Workspace and Chrome Enterprise.
• Migration & Implementation: Design and execute complex migration projects (from legacy systems like MS Exchange or O365) ensuring zero-error delivery.
• Operational Excellence: Design, optimize, and maintain technical processes that scale with our clients’ growth.
• Lifecycle Support: Provide high-quality technical support, addressing disruptions or logistical issues with a calm and structured approach.
• Stakeholder Coordination: Work effectively with internal sales teams and client C-level executives to ensure alignment on technical requirements.
• Process Ownership: Maintain a strong sense of accountability in enforcing technical standards.
• Client Advocacy: Actively seek ways to solve client problems proactively and improve their technical environment.

Work conditions:

• International Collaboration: Work alongside A-players and seasoned professionals in the cloud industry.
• Market Exposure: Expand your expertise by engaging with international markets across the EMEA.
• Vibrant Team Environment: Be part of an innovative, dynamic team that fosters both personal and professional growth.

Full Stack Developer

[Full-time, Remote, Freelancer]

SNEAK PEEK 

⇨ Location: Remote, GMT+0/GMT+4

⇨ Interview process: HR interview ⇨ technical interview ⇨ take-home challenge ⇨ final interview ⇨ offer 

WHO ARE WE? 

At Rounds, we believe in harnessing the power of cutting-edge technology to drive business success. Our transformative, machine-learning technology identifies and optimizes mobile assets, while our team of experts, with their unparalleled human capital and business acumen, provides the strategic direction and support to turn mobile assets into profitable businesses. Together, we are revolutionizing the mobile industry. 

THE ROLE

We are looking for an experienced Full-Stack developer with a passion for building complex systems to further expand our set of internal tools. You will architect and develop our core internal systems, understand and predict user interactions, and create well-written code, based on the business needs. You will work closely with other developers and QA testers, using the Agile methodology and a quality-first approach.

Hiring manager: Nadav Nagel, Software Team Lead 

WHAT ARE WE LOOKING FOR?

• 5+ years of commercial experience building publicly available websites
• 3+ years of experience in backend development using Typescript and Node.js
• Up-to-date with at least one of the latest UI frameworks (React, Vue.js, etc.)
• Detail-oriented and able to adhere to deadlines
• Excellent communication skills in both written and verbal English

INTERESTED?

Our recruitment process consists of the following steps: 

• HR interview: 30 min
• Take-home challenge.
• Technical interview: 60 min
• Final interview

We are the creators of a new fintech era!
Our mission is to change this world by making blockchain accessible to everyone in everyday life. WhiteBIT is a global team of over 1,200 professionals united by one mission — to shape the new world order in the Web3 era. Each of our employees is fully engaged in this transformative journey.
We work on our blockchain platform, providing maximum transparency and security for more than 8 million users worldwide. Our breakthrough solutions, incredible speed of adaptation to market challenges, and technological superiority are the strengths that take us beyond ordinary companies. Our official partners include the National Football Team of Ukraine, FC Barcelona, Lifecell, FACEIT and VISA.

The future of Web3 starts with you: join us as a Operations Manager!

Requirements:

— Proven experience in operational leadership, preferably in a regulated industry (e.g., financial services, fintech, payments, or technology-driven businesses).
— Strong understanding of operational risk management, compliance, and internal controls, including AML frameworks.
— Experience working with technology, product, and engineering teams to deliver scalable solutions.
— Demonstrated ability to design, implement, and optimize operational processes and workflows.
— Knowledge of IT operations, systems infrastructure, and service-level management.
— Strong leadership, organizational, and team management skills.
— Experience managing external partners, vendors, and service providers.
— Ability to translate strategic objectives into executable operational plans.
— Excellent communication and reporting skills, including interaction with senior management and the Board.

Responsibilities:

— Own and drive end-to-end operational processes
Take full ownership of operational streams across the business (support, payments, compliance, product-related flows)
Ensure processes are functioning effectively and continuously improving
Act as the final point of responsibility for operational outcomes

— Identify gaps and build solutions
Proactively identify inefficiencies, missing links, and risks in existing processes
Design and implement solutions to close these gaps
Step in where ownership is unclear or missing and take initiative to resolve issues

— Cross-functional coordination and execution
Work closely with Product, Support, Compliance, Finance, and Engineering teams
Align stakeholders and ensure smooth execution across departments
Break down silos and drive processes that require multi-team involvement

— Drive continuous improvement
Continuously evaluate operational performance and identify areas for optimization
Improve speed, quality, and cost-efficiency of processes
Introduce scalable solutions, including automation and AI where applicable

— Manage operational performance and metrics
Define, track, and improve key operational metrics (e.g., SLA, quality, customer satisfaction, cost efficiency)
Ensure deadlines are met and outcomes are delivered
Use data to inform decisions and optimize processes

— Take ownership of complex operational initiatives
Lead and execute cross-functional projects (e.g., launching new flows, improving existing systems, scaling operations)
Build frameworks and approaches for new operational challenges
Anticipate future needs and prepare solutions in advance

— Ensure accountability and execution discipline
Take responsibility for outcomes regardless of dependencies
Establish clear ownership within processes and enforce accountability
Ensure issues are resolved, not escalated endlessly

— Work with context, not just tasks
Gather full context before making decisions
Translate business needs into practical, implementable solutions
Challenge and refine ideas through discussion and analysis

Work conditions:

Immerse yourself in Crypto & Web3:
— Master cutting-edge technologies and become an expert in the most innovative industry.
Work with the Fintech of the Future:
— Develop your skills in digital finance and shape the global market.
Take Your Professionalism to the Next Level:
— Gain unique experience and be part of global transformations.
Drive Innovations:
— Influence the industry and contribute to groundbreaking solutions.
Join a Strong Team:
— Collaborate with top experts worldwide and grow alongside the best.
Work-Life Balance & Well-being:
— Modern equipment.
— Comfortable working conditions, and an inspiring environment to help you thrive.
— 22 business days of paid leave.
— Additional days off for national holidays.

With us, you’ll dive into the world of unique blockchain technologies, reshape the crypto landscape, and become an innovator in your field. If you’re ready to take on challenges and join our dynamic team, apply now and start a new chapter in your career!
Let’s Build the Future Together!

WhiteBIT offers all candidates an equal opportunity to join the team. All hiring decisions are made without regard to race, national origin, gender identity or sexual orientation, age, religion, disability, medical condition, marital status, familial status, veteran status, or any other legally protected characteristic of an individual.

About Us

Smart Capital Center is an end-to-end, AI-powered platform for Commercial Real Estate (CRE) investment and financial management. We power real-time underwriting, asset management, and portfolio analytics through a combination of live data, workflow automation, and AI-driven insights.

Operating at the intersection of Generative AI, finance, and real estate, we are building systems that digitize and simplify complex financial workflows.

Our clients include leading institutions such as JLL, Pacific Life Insurance Company, and KeyBank. We are a lean, high-performance team building category-defining technology in a $17 trillion industry.

To learn more about our platform and vision, please visit our website.

The Role

We are looking for a Backend Software Engineer with strong experience in building scalable systems and a deep interest in AI-powered applications.

This is a high-impact, hands-on role where you will design and build backend services, integrate AI capabilities, and develop intelligent, agent-driven workflows used in real-world production environments.

You will work closely with product, AI, and engineering teams to deliver reliable, high-performance systems and automation features.

What You Will Do

Backend Development

• Design, build, and maintain backend services using Java (Spring Boot) and Python
• Develop scalable APIs and microservices for data-intensive applications
• Optimize system performance, reliability, and scalability
• Design efficient data models and handle complex integrations

AI & Intelligent Systems

• Implement and integrate AI-powered features into core products
• Design and build agent-based workflows for automation and decision-making
• Apply prompt engineering techniques to improve LLM outputs and behavior
• Work with modern AI frameworks to productionize intelligent systems

Cloud & Infrastructure

• Develop and deploy backend systems on AWS (EC2, S3, RDS, Lambda, etc.)
• Build resilient, scalable cloud-native services
• Contribute to system monitoring, logging, and reliability

System Design & Engineering Excellence

• Contribute to architecture, service boundaries, and system design decisions
• Write clean, maintainable, and well-documented code
• Ensure security, performance, and operational stability
• Continuously improve engineering quality and development practices

Collaboration

• Work closely with frontend, product, and AI teams
• Contribute to end-to-end feature delivery
• Participate in Agile development processes

Requirements

• 5+ years of backend software development experience
• Strong experience building and scaling backend systems in production

Core Technical Skills

• Strong experience with Java and Spring Boot
• Solid experience with Python
• Strong knowledge of SQL and database design (PostgreSQL preferred)
• Experience building REST APIs, microservices, and distributed systems
• Hands-on experience with AWS (EC2, S3, RDS, Lambda, etc.)
• Proficiency with Git and modern development workflows

AI & Modern Development Experience

• Experience with prompt engineering for LLM-based systems
• Practical experience building AI agent workflows in production
• Familiarity with frameworks/tools such as:
  • LangGraph
  • LangChain
  • LangSmith
  • or similar ecosystems
• Experience using AI-assisted development tools, such as:
  • Claude Code
  • Codex
  • OpenCode
  • or similar

Nice to Have

• Experience with vector databases or semantic search (e.g., Milvus)
• Knowledge of RAG (Retrieval-Augmented Generation) architectures
• Experience with CI/CD pipelines and DevOps practices
• Familiarity with event-driven architecture

• Experience with data processing pipelines or document AI systems

   

Why Join Us

• Work on cutting-edge AI-powered systems in a $17T industry
• Build real-world applications using LLMs, agents, and automation
• High ownership and autonomy with meaningful technical impact
• Opportunity to influence system design and engineering direction
• Fast-moving, execution-focused team with minimal bureaucracy
• Competitive compensation and flexible work environment

About Tie

Tie is building the next generation of identity resolution and marketing intelligence. Our platform connects hundreds of millions of consumers across devices, browsers, and channels—without relying on cookies—to power higher deliverability, smarter targeting, and measurable revenue lift for modern marketing teams.

At Tie, AI is not a feature—it is a core execution advantage. We operate large-scale identity graphs, real-time scoring systems, and production ML pipelines that directly impact revenue, deliverability, and customer growth.

The Role

We are looking for detailed-oriented  AQA Engineer. This person is responsible for validating the quality of our software through thorough exploratory, functional, and regression testing. This person is analytical, proactive, and passionate about delivering high-quality user experiences.

Technical Responsibilities

• Review requirements, user stories, and design documents to create detailed and comprehensive test cases and checklists
• Perform functional, integration, UI/UX, and regression testing across web, data, 3d party apps and/or API layers.
• Test on multiple browsers, devices, and screen resolutions to ensure cross-platform consistency
• Execute manual test cases and report issues with clear reproduction steps and severity levels
• Verify fixes and perform retesting and smoke testing
• Maintain test case repositories (e.g., TestRail, Zephyr, Xray, etc.)
• Perform basic API testing using tools like Postman
• Use developer tools (e.g., Chrome DevTools, browser console) to investigate issues
• Track and manage bugs using tools like Jira
• Support release validation in redesign, staging and production environments or any other required.
• Collaborate with developers and product managers to ensure test coverage and align QA efforts with release goals
• Collaborate with business, customer success to ensure the test coverage and align QA efforts with business goals.

Automation & AQA Responsibilities

• Develop and maintain automated test suites for UI and API layers using frameworks like Playwright, Cypress, or Selenium
• Integrate test automation into the CI/CD pipeline to enable fast and reliable deployments
• Prioritize what to automate based on risk, stability, and ROI, complementing manual testing
• Validate data flows and transformation logic in data-driven applications by writing automated assertions against APIs and backend responses
• Build reusable utilities and selectors to support robust and maintainable test scripts
• Work closely with developers to ensure testability and coverage of edge cases
• Use version control (e.g., Git) and test reporting tools (e.g., Allure, TestNG reports) to ensure traceability
• Support debugging and root cause analysis by capturing logs, screenshots, and network traces during test execution
• Maintain a hybrid approach, knowing when to use exploratory/manual testing alongside automation to uncover UI/UX or logic-related issues

Data-Driven Application Testing

• Validate the accuracy, completeness, and integrity of data throughout the user journey
• Perform data validation across frontend, backend, and database layers, including comparing displayed data with source systems or API responses
• Ensure business rules and data logic are correctly applied (e.g., filters, transformations, aggregations)
• Test the impact of edge cases and malformed data inputs on application behavior
• Perform SQL-based verification (or through data exports) to confirm data correctness, where applicable
• Validate data syncing between systems, especially in applications that consume or expose third-party data via APIs
• Monitor how updates to records, entries, or data states reflect across the application (e.g., state transitions, user-based data visibility)

Non-Technical Responsibilities

• Participate in daily stand-ups, sprint planning, and retrospectives to represent QA priorities
• Communicate bugs and quality concerns clearly to cross-functional teams
• Proactively raise red flags if requirements are unclear, incomplete, or inconsistent
• Help define and improve QA processes, checklists, and acceptance criteria
• Collaborate with product and design teams to ensure test scenarios reflect user expectations
• Own the quality mindset for the features being delivered
• Provide feedback on usability and suggest improvements from a user perspective
• Maintain a clear audit trail of testing progress and coverage
• Be a champion for documentation, keeping test plans and QA procedures up to date
• Collaborate with QA Team Lead in providing feedbacks and reviews of QA strategies, processes, practices.

Working in Ambiguous and Fast-Paced Environments

• Confidently test features with minimal or evolving specifications, using exploratory testing and product intuition to uncover edge cases
• Collaborate closely with developers, product managers, and other stakeholders to clarify intent and co-create acceptance criteria when missing
• Document findings, gaps, and assumptions clearly to reduce miscommunication and improve team alignment
• Adapt quickly to frequent changes in priorities or scope, while ensuring quality is not compromised
• Use structured approaches to test loosely defined features, such as session-based test charters or heuristic checklists

• Maintain composure and clear prioritization even during high-pressure releases, rollbacks, or urgent hotfixes

   

Requirements

Technical

• 5+ years of manual testing experience for web applications
• Strong understanding of Agile methodologies, specifically Scrum and Kanban
• Familiarity with bug tracking and test case management tools(QASE, Testomat, TestRail, etc.)
• Experience testing REST APIs (even at a basic level)
• Experience with Data verifications
• Ability to test across various browsers and responsive breakpoints

Non-Technical

• Detail-oriented mindset and strong analytical thinking
• Clear and concise communicator in both written and verbal form, English.
• Comfortable working in fast-paced, changing environments
• Ability to manage time and tasks independently

• Proactive attitude and a sense of ownership for quality

   

What We Offer

• Competitive compensation, including salary, equity, and performance incentives
• Opportunity to work on core AI systems that directly impact revenue and product differentiation
• High ownership and autonomy in a senior, hands-on role
• Remote-first culture with a strong engineering and data focus
• Exposure to cutting-edge problems in identity resolution, graph ML, and real-time AI systems

• Clear growth path toward Staff / Principal IC roles

  What else:

• 4 weeks of paid vacation per year (flexible scheduling)
• Unlimited sick leave — we trust your judgment and care about your health
• US Bank Holidays off (American calendar)
• Remote-first culture and flexible working hours
• Flat structure, no micromanagement, and full ownership

• Opportunity to make a real impact during a critical growth phase

   

  Interview Process

• Recruitment Screening Call
• Test task in HackerRank for 1h
• Technical deep dive Interview (1,5h)  in English

• Final interview with CTO in English

   

  Why Join Us?

• High-impact delivery leadership role during a critical period
• Real ownership and autonomy
• Opportunity to shape delivery across the entire engineering organization
• Exposure to SaaS, data, integrations, automation, and platform work
• Collaboration with global teams and vendors

• A strong product with real scale and momentum

   

Why This Role Matters

At Tie, your work will not live in notebooks or experiments—it will power production systems used by real customers at scale. You will help define how AI is embedded into the company’s core platform and play a key role in making machine learning a durable competitive advantage.

IMPORTANT! Relevant as of May 6, 2026, 1 month Company Bootcamp
 

We are looking for a motivated Lead Generation Manager (IT, Sales) to help drive our client outreach and lead identification efforts. If you’re ambitious, self-driven, and ready to grow within the IT sales industry, join us! We offer comprehensive training, transparent bonuses, and reliable payouts. Those who work hard earn well.
 

This role is a great entry point into IT sales, where you can build a strong foundation and grow into a Sales Manager in our company.
 

Earnings

• $500 fixed salary per month + bonuses $75/$33 per lead; 
• All details of the bonus system will be provided during the interview.
   

Each of our Lead Generation Managers currently achieves 10+ leads per month. Your income directly depends on the quantity and quality of leads you generate.
 

Test assignment

• To move on to the next step, please fill out this survey. It will take you literally 15-30 minutes;
• The test assignment link is provided upon request;
• The Company may, at its sole discretion, not provide applicants with the reason for being rejected and technical details of the test completed;
• Once getting to the 3rd stage of the interview, the candidate will have the opportunity to receive feedback from a sales specialist.
   

Requirements

• English: Upper-Intermediate or above (written);
• Strong desire to work, earn, and grow;
• Good communication skills;
• Confident PC user (Google Docs, Google Sheets, etc.);
• Attention to detail and perseverance;
• Readiness to learn a large theoretical base of IT terms and concepts;
• Willingness to study sales literature and develop yourself further as a sales specialist.

Experience in lead generation is a plus, but not required.
 

Will be a plus:

• Have an understanding of web development technologies;
• Degree in Computer Science or related field;
• Experience in IT companies;
• Experience with freelance platforms (Upwork, Fiverr, etc.);
• Certificate confirming English level;
• Knowledge of sales techniques & experience as a Sales Manager. 
   

Responsibilities

• Searching for leads (LinkedIn, Upwork, etc.);
• Writing personalized (non-template) outreach messages;
• Presenting company services and tech stack;
• Supporting Sales Managers in lead qualification and handoff.

Working Schedule

We offer a flexible shift system (day & evening); 

• The schedule is built collaboratively within the team;
• A full-time workload of 8 hours per day is required;
• Each team member rotates between day (8:00 - 17:00) and evening hours (15:00 - 00:00);
• This allows each team member to work with different markets and earn more. 
   

We offer

• Fully remote format;
• $500/month paid Company Bootcamp (first month);
  • During Bootcamp, your Upwork profile will be added as an exclusive member (using your personal email);
• We work officially (Private Entrepreneur by contract);
• Additional equipment if needed (MacBook Pro, second monitor);
• Access to our sales books library and courses for further sales skills development;
• Mentorship from Lead Sales manager and other colleagues; 
• PDP (Personal Development Plan) for career growth to a sales manager role;
• Training in IT technical knowledge (theory);
• Opportunity to directly influence your earnings through performance.