Jobs at Djinni

Our requirements: 

• Fluent/Advanced English (MUST!) 

• Ability to work night shifts (6 possible schedules: 15:00 – 00.00; 16:00 – 01.00; 17:00 – 02.00; 18:00 – 03.00; 19:00 – 04.00; 21:00 – 06.00 Kyiv time) 

• Confident PC user with solid knowledge of Microsoft Windows 

• Technical background or strong interest in exploring software and hardware products 

• Strong organizational, training, and time-management skills 

• Excellent communication and active listening abilities 

• Understanding of conflict resolution 

• Empathy, positive attitude and self-control 

Nice to Have: 

• Previous experience in customer or technical support 

• IT education or relevant technical background 

• Familiarity with ticketing systems (Zendesk, Zoho, ServiceNow), CRM platforms, and Jira

Summary: 

As a Customer Support Specialist, you will have an opportunity to join a very dynamic international team and become a trusted advisor to our clients, with the opportunity to join a dynamic international team and become a trusted advisor to our clients, contributing to the overall quality of our product by sharing feedback with an opportunity to contribute to the overall quality of our product by sharing feedback with the relevant stakeholders.  

You will interact with US business owners, learn about the telecom industry and embark on an IT career path within the organization.  

Key Responsibilities: 

• Support existing and prospective customers by providing timely and accurate information about B2BSoft products 

• Identify, analyze, and troubleshoot technical issues and provide effective solutions 

• Respond to support queries via phone, chat, and email 

• Assist customers with software and hardware configurations, billing, and merchant services–related requests 

• Maintain clear and detailed documentation of all service inquiries. 

About US:

Headquartered in New York City, USA, B2B Soft is an established leader in the development, implementation, and support of retail management systems (RMS) designed for the wireless retail industry. With over 20 years in business, we have built a best-in-class point of sale (POS) solution recognized by major telecom operators and serving customers across North America. 

As a true product organization, we work seamlessly with clients to ensure that the evolution of the platform is always in sync with their business needs, with a solid infrastructure behind it.  

A client’s success is our priority. Innovation is our tool. We care about customers by going above and beyond in intellect and effort. We are honest and curious. And we are agile, applying our knowledge and skills to best serve our clients and partners. Here, you will work with advanced products, be part of an open and transparent culture, learn both IT and business and advance quickly. 

Compensation/Benefits: 

Our culture is a collaborative, hands-on community where all voices are welcome at the table and existing associates’ welcome new employees with open arms. We are in an exciting phase of accelerated growth, and we welcome motivated individuals keen to hit the ground running. We also offer career and proficiency development plans and free English courses with native speakers. 

Admiral Studios is an IT outsourcing company specializing in product development, MVPs, AI solutions, and web app development, as well as mobile development, UI/UX, and SEO. We use the latest and most advanced technologies: Node.js, React, Laravel, Shopify, Python, and WordPress. We work with clients in Europe, the US, the UK, and Canada 🌍.

Currently, our team consists of more than 60+ skilled experts 👨‍💻, and we are constantly growing.

Now, we’re looking for an Account Manager ⭐️ to strengthen our team and ensure long-term success with our growing number of clients. If you’re passionate about building relationships, proactive in solving challenges, and eager to deliver high-level client service — this is your opportunity.
As a part of our client success team, you’ll get support in your professional development and the chance to work with international projects.

For a perfect match, we expect 🎯

• 1+ years of experience as an Account Manager in an IT outsourcing company
• Strong communication and negotiation skills
• Experience working with US/European clients
• Experience in contract management, pricing, and invoicing
• Understanding of web development, SEO, and UI/UX design processes
• Proficiency in CRM tools (HubSpot, Asana, or similar)
• Project management and coordination skills
• High level of responsibility and organizational skills
• English level: B2 or higher

Nice to have 💎

• Basic technical knowledge
• Experience working in startups or digital agencies

Duties & Responsibilities 💼

• Build and maintain strong relationships with clients (startups, SMBs)
• Work closely with Sales and Delivery teams
• Negotiate contracts, rate increases, and pricing to maximize revenue and client retention
• Participate in client meetings, provide project updates, and resolve issues proactively
• Upsell / cross-sell by identifying client needs and offering additional services
• Prepare invoices, reports, and financial performance tracking
• Ensure smooth communication between clients and internal teams

Why Join Admiral Studios?

⭐️Growth-Oriented Environment — value efficiency, flexibility, and results.

🤝Team Spirit — Regular corporate online & offline events to keep the team connected
📚Professional Development Support — we provide:

• A structured Performance Review system.
• Access to an internal knowledge library.
• Career growth opportunities with a clear development plan.
• A budget for improving work processes and implementing new ideas.

🧘Work-Life Balance — Enjoy a flexible work schedule and a fully remote work model.
✅Paid Time Off — 20 vacation days + 10 sick leave days per year.

Hiring steps:
Screening — Test Task — Tech Interview — СEО Interview — Job Offer

If your experience and skills match our candidate scorecard, the recruiting team will contact you within 5 business days 💙
 

Don’t forget to provide your Telegram nickname for contact!

Are you ready to take your Java expertise to the next level? Join our team to work with a highly scalable, highly available, real-time advertising platform that serves millions of users worldwide and handles massive real-time data at scale. We are hiring a Software Engineer to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, jumping in, and figuring things out in any system, this role is for you! Working in a modern, cloud-native environment, you’ll collaborate with a team of top engineers to develop low-latency, distributed systems capable of handling millions of QPS. This is an opportunity to combine innovation, performance engineering, and large-scale impact - while shaping the future of digital entertainment technology.
 

About the project

Our client is a leading streaming service based in the United States. With millions of users worldwide, its devices provide easy access to free TV, live news, sports, movies, etc. The client has an advertising business and also licenses its hardware and software to other companies.
 

Who are we looking for?

Skills & Experience

• 4+ years of experience building large scale and low latency distributed systems
• 5+ years of Java backend development experience;
• Solid understanding of algorithms, data structures, performance optimization techniques, object-oriented programming, multi-threading, and real-time programming 
• Experience with distributed caching, SQL/NO SQL, and other databases is a plus 
• Experience with Big Data and cloud services such as AWS/GCP is a plus
• Experience in advertising domain a big plus 
• Self-motivated individual with a high level of accountability and ownership
• Critical thinking and practical decision making
• Can do, results-oriented mindset
• Software development best practices: test-driven development, automated testing;
• Knowledge of distributed systems architecture and service oriented systems;
• English: B2+

Nice to have

• Familiarity with machine learning frameworks (e.g., TensorFlow, PyTorch) and working with large language models (LLMs)

Responsibilities

• Develop and maintain complex backend services
• Collaborate with cross-functional teams (Product, Design, QA) to deliver high-quality features;
• Write unit, integration, and end-to-end tests;
• Maintain and extend existing services to meet new requirements;
• Participate in code reviews and contribute to technical discussions;
• Help maintain technical documentation;
• Assist in improving CI/CD pipelines;
• Contribute to best practices within the development team.

ArboStar is the leading all-in-one business management platform servicing clients in the green industry such as landscaping, tree care, lawn care and more, across the globe. Our innovative, cloud-based software integrates everything from CRM and scheduling to GPS tracking and business analytics, ensuring seamless workflow and exceptional customer satisfaction. With a dynamic and fast-growing team of 80+ professionals, ArboStar is committed to delivering exceptional products and services that help our clients succeed.

Why ArboStar? At ArboStar, we foster a dynamic and supportive work environment where creativity, collaboration, and dedication to excellence are valued. Join our team and help revolutionize the green industry with innovative technology and outstanding service.

As part of our Customer Success team, you’ll play a vital role in ensuring our clients get full value from Arbostar from onboarding and adoption to expansion and renewal.

Key Responsibilities:

• Own the client relationship post-sale, guiding SMB and VIP customers through training and ongoing success;
• Proactively manage a portfolio of customer accounts, ensuring strong adoption, health, and retention;
• Lead day-to-day communication with clients via email, phone calls, and our ticketing system to ensure timely responses and proactive support;
• Conduct quarterly business reviews (QBRs) with key accounts to highlight ROI, identify opportunities, and gather feedback;
• Partner with Sales and Product to drive upsell/cross-sell opportunities and capture client insights;
• Monitor customer health scores, usage trends, and support activity to detect early signs of risk or growth potential;
• Coordinate with Support and Product teams to resolve escalations and advocate for client needs;
• Maintain accurate records of account activity, notes, and tasks in the CRM (Pipedrive, PandaDoc, Google sheets).
   

Requirements:

• 2+ years in Customer Success, Account Management, Sales or a client-facing SaaS role (experience with SMBs is a plus);
• Strong understanding of customer lifecycle, onboarding, and retention best practices;
• Exceptional communication and relationship-building skills;
• Comfortable managing multiple accounts (100+) with varying levels of complexity;
• Experience with tools like Pipedrive, Salesforce, Zendesk or similar CRM/CX platforms;
• Problem-solving mindset and a passion for delivering value to customers;
• Ability to explain software features in a clear, engaging, and practical way;
• Advanced English proficiency (C1 level or higher) — both written and spoken — is required for effective client communication;
• Knowledge of SaaS metrics (NRR, churn, adoption, NPS, etc.).
   

What We Offer:

• Work schedule: 9:00 AM – 5:00 PM (EST);
• 10 paid vacation leaves per year;
• A paid day off on your birthday or special day;
• Only remote work;
• Opportunity to work in the green industry, helping to make our planet greener;
• Supportive, remote-first culture focused on growth and impact.

We are seeking a Cold Sales Representative focused on outbound prospecting via cold calls. This role is critical to expanding our client base across North America, Canada, New Zealand, Australia, Europe, and other markets. You will support the top-of-funnel sales process by generating qualified appointments for our Account Executives.
 

Key Responsibilities:

• Conduct outbound cold calls to potential B2B clients.
• Qualify leads and set appointments for product demos.
• Follow a proven cold outreach script and adapt it based on call feedback.
• Log all activity and lead information in the CRM.
• Collaborate with the Sales and Marketing teams to improve outreach strategies.
   

Requirements:

• Minimum 2 years of experience in cold calling.
• Fluent in English.
• Experience in SaaS and B2B sales is required.
• Proven track record of setting qualified appointments.
• Experience working with North American clients/markets.
• Strong communication and objection-handling skills.
• Self-motivated, results-driven, and comfortable working with quotas.
• Energetic and outgoing personality with excellent interpersonal skills.
   

What We Offer:

• Fully remote work
• Work schedule: 9:00 AM – 5:00 PM (EST)
• Paid vacation (10 days)
• An opportunity to significantly influence the direction of the company
• Steep learning curve and personal growth opportunities
• Access to courses and training
• Corporate English language training
• Competitive salary
• Growth opportunities: This role is not limited to cold outreach - strong performers will have the chance to take on additional responsibilities, such as leading demo sessions and advancing within the sales team.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies. 
We are looking for  Talent Sourcer  to join our team.

 Requirements:
- 2+ years of experience as a Sourcer/Researcher or similar role;

- Experience with non-tech vacancies;

- Understanding of candidate sourcing principles and recruitment process;

- Understanding of job market trends;

- Ability to work in a dynamic environment & big team, and on multiple vacancies simultaneously;

- Attention to details, communication and time-management skills;

- Result orientation and desire to learn;

- Spoken Ukrainian or Russian, B1+ level of English.

Responsibilities:
- Searching for passive candidates using various sources, including LinkedIn, Google search, ATS, HeadHunter and other tools;

- Coordinate vacancy postings via different job boards;

- Contacting potential candidates through different channels;

- Maintaining of talent database review applicants from corporate job site and other postings, including talent pool applicants, keeping information up to date;

- Development of a sourcing strategy for finding candidates in new locations;

- Creating talent pipelines for future needs;

- Work with recruitment tools (Jira, ATS);

- Cooperate with Recruiters to build a correct sourcing strategy for finding candidates;

- Scheduling an all initial interview with external candidates for recruiters;

- Development of professional networks, promotion of the company’s brand, and analysis of market information;

- Participation in other projects that affect hiring efficiency;

- Keeping track of sourcing metrics and reporting on progress;

- Ensure accurate filling of Jira, ATS and recruitment dashboard documents. Monitor that job openings timely transition through necessary status stages.

Our benefits to you:

🔸An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🔸Modern corporate equipment based on macOS or Windows and additional equipment are provided
🔸Paid vacations, sick leave, personal events days, days off
🔸Referral program — enjoy cooperation with your colleagues and get the bonus
🔸Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
Rewards program for mentoring and coaching colleagues
🔸Free internal English courses
🔸In-house Travel Service
🔸Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
🔸Other benefits could be added based on your location
 

We are looking for a structured and detail-oriented Counsel / Lawyer who wants to grow in international corporate law and FinTech. This role combines legal support, corporate administration, onboarding processes, and communication with payment providers and partners.

This role would be a great fit for someone who already has exposure to company incorporation processes or supporting bank/payment account opening in international jurisdictions and wants to grow further in FinTech and corporate legal operations.

🔹 Key Responsibilities

• Support onboarding processes for international and European companies into payment systems (PSP / EMI / banks)
• Prepare and maintain KYC / AML questionnaires and supporting documentation
• Communicate with compliance teams, registrars, accountants, and external partners
• Track onboarding statuses, deadlines, and documentation requests
• Draft and review standard legal documents (NDA, service agreements, authorization documents)
• Maintain corporate documentation (powers of attorney, banking forms, corporate records, apostilles)
• Assist in document automation and internal process improvements (including AI tools)
• Participate in building internal templates and legal workflows

🔹 Requirements

• Higher legal education (Law / International Law / Corporate Law)
• Practical experience in corporate law
• Experience with company incorporation and/or opening bank or payment accounts for businesses internationally
• Understanding of corporate structures and basic KYC / AML principles
• Experience working with corporate documentation and external counterparties
• English level B1+ / B2 (ability to work with legal documents and professional correspondence)

🔹 Nice to Have

• Experience working with international jurisdictions (EU / UK / Cyprus / Estonia / Poland or others)
• Experience communicating with banks, PSPs, EMIs, or registrars
• Understanding of international corporate structuring
• Interest in FinTech and payment infrastructure

🔹 We Offer

• Work in a product FinTech company
• Mentorship and growth into international corporate law
• Participation in real international legal and compliance processes
• Flexible remote format
• Competitive compensation
• Fast decision-making and minimal bureaucracy
• Opportunity to develop expertise in FinTech and payments

An international IT product company with many years of experience is looking for a Linkbuilder to join their friendly team. We employ real professionals and ready to share our knowledge with them. Due to the opening of new directions within the company, there are many opportunities for career growth.

Requirements:

• Experience with outreach/link building from 1 year;
• Experience working with AI tools (e.g., ChatGPT, Claude or similar) for prospecting, outreach, and content-related tasks;
• Passion for routine automation using AI (e.g., domain collection, data processing, outreach assistance) to improve efficiency and scale link-building activities;
• Excellent knowledge of English languages for correspondence with webmasters and site owners;
• Confident knowledge of the concepts of SEO, Outreach;
• Ability to work with a large amount of data;
• Knowledge of Excel at a good level (knowledge and ability to use formulas, filters, formatting);
• Knowledge of search operators such as Google, as well as the ability to apply them;

• Knowledge of Ahrefs, SEMRush and/or other web-based backlink analysis tools (for competitor analysis).

   

Duties will include:

• Communication with administrators, site editors, bloggers and other specialists to place links;
• Independent search for quality sites for placing links;
• Compilation of technical requirements for texts for guest posts, interaction with copywriters, checking texts;
• Analysis of donors (attendance, spamming, content compliance, etc.);
• Analysis of the link profile of competitors;
• Collection and updating of the base of sites;
• Working with Ahrefs, Majestic, Netpeak Checker tools;
• Placement of guest posts, control and verification of posted links;

• Interaction with SEO and content team members.

   

What we offer:

• Remote work
• Involvement in significant international projects.
• Opportunities for professional development and career growth.
• Competitive salary (the rate will depend on your qualifications and interview results).
• Friendly and young team.

Director of a Microfinance Company (South Africa)

📍 Location: South Africa

💼 Industry: Microfinance / Financial Services

📑 Employment Type: Full-time / Long-term cooperation

We are seeking an experienced Director to lead and oversee a microfinance company operating in South Africa.

The primary objective of this role is to ensure that the company operates in full compliance with South African financial regulations and maintains stable operational management.

Key Responsibilities

•Ensure the company’s activities comply with South African legislation and regulatory requirements

•Liaise with banks, regulatory authorities, and government institutions

•Oversee compliance with:

•National Credit Act (NCA)

•Financial Intelligence Centre Act (FICA)

•Protection of Personal Information Act (POPIA)

•Actively participate in the operational management of the company

•Supervise lending operations and customer service processes

•Establish and maintain compliance and internal control procedures

•Participate in the development and scaling of financial operations

Candidate Requirements

Mandatory Requirements

✔ Residing in South Africa

✔ Ability to interact directly with banks and regulatory authorities

✔ Availability for audits, inspections, and regulatory procedures

Professional Reputation

•No criminal record, especially in relation to financial matters

•No history of bankruptcy or director disqualification

•Clean professional and business reputation

Professional Experience

Candidates must have experience in one or more of the following areas:

•Microfinance companies

•Banking sector

•Fintech companies

•Lending and credit operations

•Risk management

•Compliance / regulatory affairs

Business Understanding

The candidate should have a practical understanding of:

•Creditworthiness and affordability assessments

•How lending products operate

Interest rates, fees, and repayment structures

•Debt repayment processes

•Customer operations within financial services

Regulatory Knowledge

A general understanding of the following areas is required:

Credit Regulation

•Responsibilities of a credit provider

•Mandatory disclosure of lending terms to clients

•Prohibition of reckless lending

Anti-Money Laundering (AML)

•Customer identification and KYC procedures

•Transaction monitoring

•Reporting obligations

Data Protection

•Handling of personal data

•Information security and data •protection requirements

Preferred Qualifications

•Experience working with the National Credit Regulator (NCR)

•Participation in launching or scaling financial companies

•Experience in online lending businesses

•Experience working with foreign shareholders or international ownership structures

Who We Are NOT Considering

❌ Nominee directors

❌ Candidates without financial industry experience

❌ Candidates not residing in South Africa

❌ Candidates with problematic professional or legal backgrounds

If you have relevant experience within the South African financial sector and understand regulated financial operations, we would be glad to discuss this opportunity with you.

Join Sigma Software and become part of a team where innovation meets impact. We are looking for a Middle Product Analyst to work remotely from Ukraine or Europe, contributing to cutting-edge AdTech solutions.

You will collaborate with skilled professionals in an agile environment, where your expertise will help shape products that drive measurable business results.

Customer

Our customer is an international technology company specializing in high‑load platforms for data processing and analytics. Their flagship product enables businesses to manage vast volumes of data, build predictive models, and extract actionable insights. Operating globally, they serve clients in the marketing and advertising domain, leveraging cutting-edge technologies, microservices architecture, and cloud‑based solutions to deliver scalable and innovative AdTech systems.

Project

The project focuses on enhancing a data-driven AdTech platform that processes large datasets to optimize marketing campaigns and audience targeting. It integrates advanced analytics, machine learning models, and BI frameworks to deliver measurable business impact. The team works in an agile environment, collaborating closely with Data Scientists, Product Managers, and stakeholders to ensure continuous improvement and innovation in product features.

Key Technologies: Python, Databricks, PySpark, Confluence, Matplotlib

Responsibilities

• Collaborate with Data Scientists to design and refine product features powered by analytics
• Analyze complex datasets to identify trends, anomalies, and opportunities for optimization
• Translate business needs into actionable analytical tasks and solutions
• Support feature launches through testing, feedback gathering, and performance monitoring
• Evaluate feature usage and assess their business impact
• Acquire domain expertise in AdTech to propose enhancements and new ideas
• Participate in data science initiatives, contributing to research and innovation efforts

Requirements

• 3–4 years of experience in solving business problems and delivering actionable insights
• Good knowledge of Python and SQL
• Proven track record in delivering analytics projects using EDA and data analysis tools
• Experience with large datasets and ensuring data integrity
• Proficiency in data visualization tools (Tableau, Power BI, or similar)
• Experience working within Agile frameworks and collaborating with cross-functional teams
• Excellent time management and prioritization skills
• Upper-Intermediate level of English or higher

• Bachelor’s or Master’s degree in engineering or MBA

   

WILL BE A PLUS:

• Experience with Databricks and PySpark
• Familiarity with AdTech domain
• Understanding of cloud-based solutions

Company Description

Are you a seasoned engineer passionate about building scalable, high-performance systems? This Senior-level role offers the opportunity to work remotely with talented teams across Europe, Ukraine, and LATAM.

At Sigma Software, we deliver cutting-edge solutions for global customers, combining technical excellence with a service-minded approach. In this role, you will join a distributed team to architect and evolve an advanced Ads platform, contributing to both innovation and stability.

Why join us? You will work on complex, high-impact systems, collaborate with international experts, and enjoy the freedom to shape architecture and technical patterns that drive long-term success.

CUSTOMER

We partner with a leading company in the AdTech space, delivering high-performance, scalable solutions that empower advertisers to manage campaigns, optimize targeting, and analyze results in real time. The Customer values innovation, reliability, and long-term collaboration, and operates globally with distributed teams in Europe, LATAM, and other regions.

PROJECT

The project focuses on building and evolving core systems for an advanced Ads platform integrated into a product for the interior decor industry. This product enables users to preview and visualize home items before purchase, enhancing shopping experiences both online and in-store.

Job Description

• Design, develop, and maintain APIs and services supporting ad campaign management, targeting, delivery, attribution, and reporting
• Architect scalable, reliable, and high-performance distributed systems
• Optimize systems for high-throughput and low-latency event/data processing
• Drive architectural decisions and establish development patterns
• Collaborate with distributed teams to ensure seamless integration and delivery
• Mentor and guide other engineers, fostering technical excellence

• Ensure code quality, maintainability, and alignment with long-term product goals

   

Qualifications

• At least 5 years of commercial experience in building scalable, high-performance systems
• Hands-on experience with AdTech solutions such as DSP, SSP, ad exchange, prebid, Google Ad Manager, or openRTB
• Strong proficiency in Python, preferably with the Django framework
• Solid knowledge of computer science fundamentals, including data structures, algorithms, and distributed systems
• Good understanding of distributed system architecture with a focus on data availability, reliability, and performance
• Practical experience with Kubernetes, PostgreSQL, and AWS

• Upper-Intermediate level of English

   

WILL BE A PLUS

• Experience with dbt and Redshift

• Familiarity with interior decor industry solutions

   

Additional Information

PERSONAL PROFILE

• Attention to detail and quality
• Excellent communication skills
• Leadership mindset, proactiveness

Are you passionate about building scalable, reliable data systems that power real-world solutions? We are looking for a Senior Data Engineer to join our team and work remotely from Europe, Ukraine, or LATAM.

At Sigma Software, we partner with innovative companies to deliver cutting-edge technology solutions. This role offers the opportunity to design and operate a canonical data platform that integrates diverse external data sources, ensuring high quality and flexibility.

Why join us? You’ll work with modern technologies, collaborate with talented professionals across multiple regions, and have the freedom to experiment and innovate while contributing to impactful projects in the AdTech domain.

Customer

Our client is a fast-growing AdTech company focused on solving real-world challenges in digital advertising and data-driven marketing. They specialize in building highly resilient and scalable systems that encourage experimentation and innovation. Their data platform is designed to be both powerful and flexible, enabling engineers to introduce new ideas and leverage the latest technologies to optimize advertising performance and audience insights.

Project

The project involves developing and maintaining a canonical data platform that integrates multiple external data sources. It supports both full data loads and incremental updates, ensures high data quality, and leverages AI-assisted tools for monitoring and issue detection.

Key Technologies: Java, Scala, Apache Beam/Apache Spark, SQL, GCP Dataflow, REST APIs, AI-assisted tools, event-driven architectures

Responsibilities

• Design, build, and maintain reliable data pipelines to ingest and process data from external systems
• Implement integrations using Java or Scala, ensuring scalability and resilience
• Handle both full data loads and incremental updates efficiently
• Collaborate with engineering and product teams to align on integration and data needs
• Develop and maintain a unified internal data model
• Ensure data quality, detect and resolve incorrect or incomplete data
• Utilize AI-assisted tools to improve data quality and operational efficiency
• Monitor and optimize data pipelines for production readiness

Requirements

• At least 5 years of experience as a Data Engineer or Backend/Data Engineer
• Strong production experience with Java or Scala
• Experience with Apache Beam or Apache Spark
• Proven experience integrating external systems via REST APIs (pagination, rate limiting, token-based authentication)
• Strong data modelling skills with structured, relational data
• Solid SQL knowledge
• Experience with GCP Dataflow
• Experience operating data pipelines in production environments
• Strong communication skills and ability to collaborate across teams
• At least an Upper Intermediate level of English

WILL BE A PLUS:

• Experience with event-driven architectures or messaging systems
• Designing canonical schemas across multiple data sources
• Experience with LLM (Large Language Models)

Personal Profile

• Proactive and detail-oriented
• Thrives in collaborative environments
• Enjoys solving complex integration challenges
• Comfortable experimenting with new technologies
• Committed to improving data systems

Are you a Senior Backend Engineer passionate about building scalable AI-driven systems? 

Join us at Sigma Software to work on a cutting-edge platform that transforms how large-scale engineering organizations manage and analyze complex technical data.
This is a remote position with flexible locations across Europe, Ukraine, and LATAM. You will be part of an innovative team leveraging AI, semantic graphs, and distributed processing to deliver impactful solutions.
At Sigma Software, we value expertise, creativity, and collaboration. Why join us? You will work with advanced technologies, contribute to mission-critical projects, and be part of a company recognized for excellence and innovation.

CUSTOMER
Our customer operates in the AdTech industry, delivering advanced technology solutions that optimize advertising performance and audience targeting. While the name is confidential, the organization is known for leveraging cutting-edge AI and data-driven strategies to enhance campaign effectiveness and deliver measurable business impact.

PROJECT
We are developing a next-generation AI-powered Knowledge Base and Gap Analysis platform for SysML-based engineering environments. The system enables large-scale engineering organizations to ingest, structure, analyze, and reason over complex MBSE artifacts and technical documentation. It supports both cloud and secure classified environments, improving traceability, identifying gaps, and enhancing decision-making in mission-critical projects.

Responsibilities

• Design and develop scalable AI-powered backend systems for SysML-based engineering environments
• Build and maintain distributed data ingestion and ETL pipelines for large-scale engineering artifacts and technical documentation
• Develop and optimize LLM-powered workflows for metadata extraction, semantic analysis, and entity resolution
• Implement AI agents and multi-agent orchestration workflows
• Design and improve RAG-based architectures and semantic retrieval pipelines
• Develop graph-based knowledge representation and traceability analysis solutions
• Work with graph databases, graph processing libraries, and semantic relationship modeling
• Build and optimize distributed data processing workflows using Apache Spark
• Collaborate with cross-functional engineering teams to integrate AI capabilities into platform services
• Design scalable and high-performance APIs and backend services
• Improve system reliability, scalability, observability, and performance across distributed environments
• Participate in architecture discussions and technical decision-making processes
• Contribute to cloud-native infrastructure and deployment workflows
• Support deployments in secure, air-gapped, or classified environments when required
• Create and maintain technical documentation and engineering best practices

Qualifications

• At least 5 years of commercial experience in software engineering, Data Engineering, or AI systems development
• Experience with Python
• Hands-on experience building distributed and scalable systems
• Practical experience with LLM-based applications and AI integrations
• Experience building AI agents and multi-agent systems
• Strong understanding of RAG architectures and semantic retrieval workflows
• Hands-on experience with graph technologies, graph libraries, or graph databases
• Experience with Apache Spark and distributed data processing
• Strong understanding of ETL pipelines and large-scale data ingestion workflows
• Experience with cloud-native infrastructure and distributed environments
• Practical experience with backend platform development and API integrations
• Good understanding of semantic search, entity resolution, and metadata extraction
• Experience working with highly scalable and high-performance systems
• Strong problem-solving and communication skills
• Upper-Intermediate level of English

WILL BE A PLUS

• Background in Data Engineering
• Experience with  distributed data processing, Apache Spark, or Apache Beam
• Experience with Knowledge Graphs and graph-based semantic modeling
• Familiarity with MBSE or SysML environments
• Experience supporting air-gapped or classified environments
• Experience with vector databases and embedding pipelines
• Experience with Kubernetes and cloud platforms such as AWS, GCP, or Azure

Additional information

PERSONAL PROFILE

• Analytical mindset with strong problem-solving skills
• Ability to work independently and in a distributed team
• Adaptability to secure and classified environments
• Strong communication and collaboration abilities
• Passion for AI-driven engineering solutions

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies. 

We are looking for a Account Manager  to join our team.

Requirements:
- Proven experience in account management, preferably in the telecommunications or digital messaging industry;

- Strong negotiation and communication skills, with a track record of successful deal-making;

- Ability to manage multiple accounts and projects simultaneously, with attention to detail and deadlines;

- Analytical mindset with the ability to interpret data and generate actionable insights;

- Proficient in admin panels software and other relevant business tools;

- Proactive and results-oriented, with a strong drive to achieve targets and improve performance;

- Excellent interpersonal skills, with the ability to build and maintain strong relationships with stakeholders and providers;

- Adaptable and open to change, with the ability to thrive in a dynamic and fast-paced environment;

- Strong problem-solving skills, with a creative and strategic approach to overcoming challenges.

Responsibilities:
- Communicate effectively with third-party SMS and messenger service providers;

- Negotiate and secure favorable pricing and deals to optimize cost-efficiency;

- Monitor service agreements and ensure compliance with terms and conditions;

- Oversee account deliverability across multiple platforms, ensuring timely and accurate service delivery;

- Collaborate with internal teams to maintain high service standards and client satisfaction;

- Develop and implement strategies to improve account performance and deliver results;

- Intake requests and feedback from stakeholders, providing timely and accurate responses;

- Manage stakeholder accounts, ensuring their needs are met and expectations exceeded;

- Facilitate communication between stakeholders and internal teams to ensure alignment on objectives;

- Analyze account performance data to identify trends and opportunities for improvement;

- Prepare and present regular reports to management and stakeholders, highlighting key insights and recommendations;

- Address and resolve any account-related issues promptly, minimizing disruptions and maintaining client trust;

- Continuously seek opportunities to enhance service delivery and operational efficiency.

Our benefits to you:
🔸An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🔸Modern corporate equipment based on macOS or Windows and additional equipment are provided
🔸Paid vacations, sick leave, personal events days, days off
🔸Referral program — enjoy cooperation with your colleagues and get the bonus
🔸Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
Rewards program for mentoring and coaching colleagues
🔸Free internal English courses
🔸In-house Travel Service
🔸Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
🔸Other benefits could be added based on your location
 

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications and regulatory technologies. 

We are looking for a Business Trainer to join our team.

Requirements:
- Languages: Ukrainian (fluent), English (B2+)
- Education: Higher (pedagogy/HR management), additional courses in business training methodology
- Work experience: 3+ years in personnel training and development as a business trainer/methodologist, experience independently developing soft skills training programs (from scratch to launch)
 

Will be plus:

- Knowledge of Azerbaijani/Turkish/Spanish
- Experience working with various target audiences

Responsibilities:
- Develop and implement soft skills training programs for business unit specialists

- Collaborate with department heads to identify and analyze training needs

- Evaluate the effectiveness of implemented training programs

- Design and implement modern, AI-powered solutions for specialist training

Our benefits to you:
🔸An exciting and challenging job in a fast-growing holding, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more
Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🔸Modern corporate equipment based on macOS or Windows and additional equipment are provided
🔸Paid vacations, sick leave, personal events days, days off
🔸Referral program — enjoy cooperation with your colleagues and get the bonus
🔸Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
Rewards program for mentoring and coaching colleagues
🔸Free internal English courses
🔸In-house Travel Service
🔸Multiple internal activities: online platform for employees with quests, gamification, presents and news, PIN-UP clubs for movie / book / pets lovers and more
🔸Other benefits could be added based on your location