Jobs at Djinni

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success.

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!

Required skills:

- 5+ years of Java development.

- Strong programming skills with Java

- Experience with OOP/OOD.

- Experience with clustered applications, pooling, connection management, transactions.

- Familiarity with programming specifics like asynchronous I/O, concurrency, distributed web systems and regression.

- A good foundation in algorithms, design patterns, and data structures.

- Experience with unit/functional testing.

- Strong experience with the most of Spring Framework/JDBC, databases (PostgreSQL)

- Strong experience with Javascript and React Framework.

- Maven, Git.

- Strong understanding of RDBMS concepts + SQL.

Will be a plus:

- Familiarity with NoSQL databases like Redis

- Experience with Kubernetes and Nomad

- Experience with AWS services

- Experience with Oracle databases

- Experience with distributed messaging systems, particularly RabbitMQ.

- Experience in application and infrastructure monitoring.

- Proven ability to troubleshoot production problems related to software applications.

- Exposure to high-load systems.

- Good spoken and written English skills.

Company offers:

- Long-term employment.

- Flexible timetable.

- Comfortable working conditions.

- Paid vacation and sick leaves.

- English lessons, gym.

- Competitive salary level.

We are looking for an experienced Business Development Manager (BDM) who will play a key role in driving our growth by building relationships, presenting our services, and closing deals. This is not a typical sales role – we are seeking someone who combines strong business acumen with a deep understanding of modern AI-driven tools and software development.

Key Responsibilities:

• Identify, approach, and engage potential clients through calls, meetings, and networking.
• Present company services in a clear and compelling way, tailoring pitches to client needs.
• Build and maintain strong relationships with new and existing clients.
• Conduct effective presentations and demonstrations, leveraging AI tools where possible.
• Collaborate with internal teams to align client needs with company capabilities.

• Continuously learn and adopt AI tools to improve efficiency in outreach, lead generation, and client communication.

   

Requirements:

• Proven experience in business development, sales, or client-facing roles in IT, SaaS, or product development.
• Excellent communication and presentation skills, with the ability to build trust quickly.
• Strong understanding of software development processes (experience in IT/tech industry is a must).
• Hands-on experience with AI tools (or readiness to learn and adopt them from day one).
• Results-driven, proactive, and comfortable in a dynamic, fast-paced environment.
• Strong organizational and negotiation skills.

• Fluent English (both written and spoken).

   

Apply Now

If you’re passionate about technology, skilled in building client relationships, and eager to leverage AI in business development, we’d love to hear from you. Apply today and help us expand our reach and impact.

We are seeking a Salesforce Release Engineer with strong DevOps expertise to own and improve our Salesforce release process. This role will partner closely with developers, admins, and business stakeholders to ensure that configuration, code, and integrations are deployed reliably, on schedule, and with minimal disruption. The ideal candidate is hands-on with Salesforce DX, understands modern CI/CD practices, and can bring structure and discipline to our release pipeline.

About the project:

Our client is an innovative health technology company on a mission to eliminate preventable vision loss. Their patient-centered platform combines predictive analytics with personalized care coordination, helping ophthalmology practices and health systems improve outcomes, reduce missed appointments, and deliver life-changing care at scale. Backed by top healthcare investors, they are rapidly growing and expanding their engineering team.

Responsibilities:

• Manage and execute deployments across Salesforce sandboxes and production using tools such as Salesforce DX, Gearset, Copado, or equivalents.
• Build and maintain CI/CD pipelines for Salesforce, integrated with Git-based workflows.
• Collaborate with developers and admins to plan releases, resolve merge conflicts, and ensure all changes are tracked in version control.
• Implement automated validation, testing, and rollback procedures for Salesforce deployments.
• Monitor deployment health, troubleshoot failed releases, and document root causes.
• Maintain release calendars and coordinate with cross-functional teams to align Salesforce changes with broader product releases.

• Recommend process and tooling improvements to accelerate and de-risk deployments.

   

Qualifications:

• 3+ years of Salesforce platform experience, including at least 1–2 years in release management or DevOps roles.
• Strong experience with Salesforce DX, Git, and CI/CD tools (e.g., GitHub Actions, Azure DevOps, Jenkins, Gearset, Copado).
• Knowledge of Salesforce metadata structure, Apex, Lightning Components, and configuration migration best practices.
• Solid understanding of source control branching strategies and release workflows.
• Experience with automated testing frameworks for Salesforce (e.g., Apex test classes, Provar, Selenium).

• Excellent problem-solving and communication skills.

   

Nice to Have:

• Salesforce certifications (Platform Developer I/II, Salesforce Administrator, DevOps Center experience).
• Experience with complex Salesforce orgs, including multiple sandboxes and integrations with external systems.

We offer:

• Remote work;
• Flexible schedule and ability to manage your working hours;
• Competitive salary;
• Working in a team of skilled and experienced specialists;
• Opportunities for professional development.

• Project Description:

  A reference data technology team focusing on building a strategic data quality platform is looking for an individual to fulfill an intermediate developer working in a fast-paced environment. The developer will be responsible for tuning and optimizing the Oracle database to increase the efficiency and performance of the web based application, as well as aiding in the development of the java web based application. The individual will be working with other development teams and senior business analysts in order to develop the requirements and implement into the application.
  
  Project is being rewritten by using AngularJS framework.

   

• Responsibilities:

  - Leading the team of 5+ developers
  - Front-end and back-end development.
  - Work well within a global team, spanning numerous time zones, with good communication skills both verbally and written. This includes the ability to provide suggestions and alternative solutions to other team members so that the most efficient and optimized solution can be implemented

   

• Mandatory Skills Description:

  - Team lead experience 3+ years
  - Good Core Java skills
  - Database Technologies (Basic SQL knowledge, JDBC connections, Hibernate)
  - Spring framework
  - Building tools (e.g. Maven)
  - Version control (e.g. Git)
  - Performed Code review /peer review
  - Continuous integration systems (e.g. TeamCity)
  - Knowledge of various design and architectural patterns
  - Front-End / JavaScript tech (Angular preferable)
  - Good communication
  - Good written skills

Hi! We are TheWhyKingz company, we are ambitious and strive to grow! We have cool tasks and tangible results! We care about our employees and create a comfortable corporate culture.

Now we are expanding and inviting you to our team Media Buyer (FB).

What we expect from you:

• Experience with Facebook Ads; 
• Traffic statistics from the last three months; 
• Ability to manage advertising campaigns while focusing on key
• performance indicators (CPI, CPA, ROI, etc.); 
• Experience working with large budgets and big data; 
• Knowledge of mobile tracking systems (Keitaro/AppsFlyer); 
• Experience using anti-detect browsers; 

Will be a plus:

• Proficiency in Excel, photo/video editors English level – Intermediate+
•  Experience with other advertising platforms (e.g., TikTok Ads, Google Ads, in-app sources)

What are your key responsibilities:

• Creating and managing ad campaigns; 
• Finding and testing new strategies and approaches; 
• Traffic analysis; 
• Reporting on performance results

We offer:

- Remote work;

- Stable salary payment;

- 100% sick-day pay & 17 working days of vacation;

- modern and high-quality equipment.

Hiring process:

- HR interview;

- Technical interview.

We’re a fast-growing SEO agency based in Germany, founded by Ukrainians, working with clients across the US and Europe. Now, we’re looking for a Sales / Presale Manager (ex-SEO Specialist) to join us and help grow our client base through Upwork, Outreach and more.

🔥 What Makes This Role Different:

• We’re looking for an SEO specialist who wants to move into sales — your SEO background will help you explain the value of our services clearly.
• You’ll talk directly to decision-makers, speak their language, and close deals faster.
• Your SEO knowledge will help you create stronger proposals and more convincing arguments.
• You’ll have the chance to influence sales processes — from proposal structure to outreach campaigns.

✅ What We Expect from You:

• Proven experience as an SEO specialist (must-have).
• Previous experience in sales or presales is a big plus.
• Confident English (written and spoken) — intermediate+ level required.
• Ability to write clear, logical, and persuasive proposals.
• Basic understanding of Upwork, LinkedIn, or other lead generation platforms.

💡 Bonus Points For:

• Experience in B2B sales within a digital agency.
• German language skills.
• Experience with LinkedIn/email outreach.

🧠 What You’ll Be Doing:

• Owning first contact with leads on Upwork (messages, calls, qualification).
• Preparing proposals together with the SEO team.
• Following up and nurturing warm leads.
• Helping build scalable sales processes (templates, CRM, automations).
• Suggesting ideas for new sales channels and lead generation experiments.

🚀 If you’re ready to combine your SEO background with sales skills, influence how our agency grows, and earn more together with us — welcome to Digital Traffic PRO!

Stay Group is an innovative Marketing Сompany with a mission to help businesses acquire their target customers and create top-tier solutions in the iGaming and entertainment industry. Currently, we are in search of our perfect Quality Control Specialist, who will join our team to achieve better results together.

Requirements:

• Experience: 1+ year in Customer Support QC/QA, or 2+ years as a Customer Support Agent in iGaming, fintech, or similar high-compliance industries.
• Experience in live chat, email, or ticket support.

Knowledge & Skills:

• Strong understanding of customer communication standards and quality metrics (CSAT, FCR, etc.).
• Familiarity with KYC/AML, Responsible Gaming, bonus policies, and fraud prevention in the iGaming industry.
• Ability to analyze chat transcripts, identify compliance gaps, and provide constructive feedback.
• Skilled in preparing reports, workflows, and training materials.
• Excellent communication and presentation skills.

Tools:

• Solid knowledge of support platforms (Zendesk, LiveChat, Intercom, or similar).
• Basic proficiency with Google Sheets, Notion, or Confluence for reporting and documentation.

Other:

• Detail-oriented and analytical mindset.
• Ability to work independently and in collaboration with Supervisors and Team Leads.
• Positive attitude towards gambling and understanding of industry specifics.
• Strong English (Upper-Intermediate or higher); other languages will be a plus.

Responsibilities:

• Regularly review and evaluate customer support chats, ensuring required sample coverage (% of chats reviewed).
• Identify quality gaps, provide structured feedback to agents, and track improvements over time.
• Conduct onboarding sessions for new agents in collaboration with Supervisors.
• Organize and lead training sessions focused on enhancing communication quality and customer experience.
• Develop and update workflows, guidelines, and tests (after Supervisor/Team Lead approval).
• Monitor agent compliance with responsible gaming, KYC/AML, bonus, and data protection standards.
• Ensure agents adhere to industry regulations and internal guidelines related to payments, withdrawals, and fraud prevention.
• Report recurring issues, compliance risks, and knowledge gaps to Supervisors and relevant departments.
• Facilitate team meetings and knowledge-sharing sessions.
• Contribute to continuous improvement by suggesting updates to macros, knowledge base, and internal workflows.
• Collaborate closely with Supervisors, Team Leads, and other stakeholders to ensure service quality excellence.

Benefits:

• Freedom to choose where to work: work from anywhere in the world with the freedom of remote options, or join our dynamic office in Kyiv for an inspiring in-person experience.
• Flexibility: enjoy flexible working hours that let you balance your personal and professional life while staying focused on delivering great results.
• Corporate English speaking club: improve your English proficiency with regular practice and expert guidance.
• A Culture That Cares: thrive in a friendly environment where a strong corporate culture builds connections, drives innovation, and makes you feel truly valued.
• Comfort Fuels Success: experience comfortable conditions that inspire productivity and foster professional growth, giving you the tools and space to excel.
• Accelerate Your Growth: seize career advancement opportunities in a rapidly expanding marketing company. As the company scales, so will your professional journey.

Responsibilities

• Collaborate with customers and stakeholders to define and design efficient data schema and pipelines
• Perform ETL implementation, including transformations and data insertion into tables for analytics purposes
• Provide expertise in data warehousing and analytics to ensure optimized data structures
• Work on both the architectural design and actual system building
• Contribute to the development and implementation of data strategies and solutions
• Ensure the reliability and efficiency of data solutions for analytical purposes

Requirements

• Minimum of 10 years of practical hands-on experience in software development
• At least 2 years of experience as a Data Software Architect
• Expertise in SQL and Snowflake
• Proven experience in designing star or snowflake schemas for data warehousing and analytics
• Proficiency in data modeling and experience in cleaning, transforming, and preparing data for analysis
• Strong analytical and problem-solving abilities
• Excellent communication and interpersonal skills
• Fluent in English with a B2 level or higher

Nice to have

• Previous experience with a BI tool, especially Domo, is advantageous
• Familiarity with MongoDB is a valuable addition

Do you want to be an expert in the art of building relationships and driving the communication flow? Do you have a passion for using business intelligence and data insights to develop targeted outreach strategies and messaging that engage and convert potential customers? If so, we want you to join our team as a Sales Outreach Specialist!

As a SDR, you will be responsible for generating and qualifying sales leads using internal and external tools. You will use your communication skills to reach potential customers, introduce them to our AI and Machine Learning products, and schedule meetings for our sales team.

You will work closely with our Data team to identify and evaluate qualified sales signals and use this information to develop personalized outreach messages that resonate with potential customers.

Excellent communication skills, a proactive attitude, and a drive to succeed are critical for this role. You will have the opportunity to learn and develop your skills in sales and open-source intelligence , and grow into a more senior role in the future. Please include the number forty-two when responding to this job posting to confirm that you read the job description.

If you have a passion for building relationships, are fluent in English, have a talent for crafting targeted messaging, and have the drive to succeed, let’s talk today!

Current products:
* Computer vision for Operations, Security, and Safety compliance monitoring 
* LLM Agents

🛠 What you’ll do:
 • Turn Figma designs into pixel-perfect Webflow websites • Set up CMS collections, interactions, and animations • Optimize websites for performance, SEO, and responsiveness • Collaborate with designers, PMs, and developers • Maintain and update existing Webflow sites • Implement minor custom code (HTML/CSS/JS) when needed 

✅ What we expect:
 • 1+ years of experience with Webflow • Strong portfolio of live Webflow sites • Good understanding of responsive design • Basic HTML/CSS/JavaScript knowledge • Attention to detail and design accuracy • Proactivity and clear communication • English level: at least B1 

✨ Would be a plus: 
• Experience with animations and custom interactions • Experience with e-commerce or SaaS projects • Basic knowledge of SEO • Experience with Finsweet attributes or Client-First system 

📦 What you get:
 • Remote work with a flexible schedule • Supportive team and streamlined processes • Interesting international projects • Opportunity to grow and influence how we build websites

Workload: full-time
Start: asap
Duration: long-term
English: B2+
Seniority level: It can be middle plus or senior, but very important to pay attention to the requirements.

Client’s Continuous Security Validation enables companies to challenge, assess and optimize their cyber-security posture against the evolving cyberthreat landscape, simply and continuously.
It strives to bring the highest level of service to everything we do. Their team is made up of the very best people for the job and as they grow, they’re always on the lookout for people with the skills, experience, and personality that will let them both shine.

What Does the Team Do?
The AI team is an integral part of the Client’s R&D department. They develop innovative AI Agents (Agentic AI) that enable customers to operate, investigate, and analyze their environments intelligently and automatically through the client’s platform. In addition, the team researches and develops new AI models to enhance user experience, optimize processes, and strengthen the cybersecurity capabilities of their products.

Responsibilities

• Design and develop Agentic AI systems, models, and an advanced infrastructure stack.
• Build product components that integrate with internal systems, user experience, and advanced security features.
• Research new technologies, libraries, and solutions in AI and Cyber domains. Work in rapid sprints using Agile methodologies.
• Collaborate with developers and product teams to improve processes and design system architecture.
• Lead the adoption of advanced technologies and best practices in AI and Software Engineering.
   

Requirements and Experience

• Bachelor’s/Master’s degree in Computer Science, Engineering, or a related field.
• 4+ years of professional experience in software development of medium-to- large scale systems.
• Proven experience with Python, Node.js, NestJS, TypeScript/JavaScript, React, Redis, MongoDB, Kafka, AWS, NX.
• Hands-on experience with microservices, Docker, and Kubernetes. Strong background in software architecture and system design.
• Experience with LangGraph and LangChain – mandatory !!!
• Experience developing and integrating with MCP (Model Context Protocol) in AI – mandatory !!!
• Familiarity with cybersecurity – strong advantage.
•  Knowledge in MLOps, fine-tuning, and vector databases – advantage. Excellent problem-solving skills and ability to thrive under tight deadlines. Proactive mindset, team player, and ability to provide technical leadership.
• Must speak intermediate plus English - mandatory !!!
• Must be a team player, hard worker, trust worthy, reliable, responsible, motivated and a long term player - mandatory !!!

We’re looking for a proactive and detail-oriented Sales Development Representative (SDR) to join our team at Acropolium. In this role, you’ll take full ownership of multi-channel outbound outreach, including email campaigns and LinkedIn, to identify and engage B2B prospects. Your efforts will be instrumental in generating interest and booking qualified calls for our sales team.

Key Responsibilities

• Own the entire outbound outreach function: strategize, launch, monitor, and optimize email campaigns and multi-channel sequences (email, LinkedIn, etc.).
• Identify, research, and engage potential B2B clients to build a high-quality lead pipeline.
• Develop, test, and optimize personalized cold-email sequences tailored to industry, persona, and campaign objectives.
• Manage campaign infrastructure: list creation, segmentation, deliverability, sending schedules, bounce handling, and tracking reply rates.
• Monitor campaign KPIs (reply rate, open rate, CTR, conversion-to-call) and optimize based on performance data.
• Collaborate with marketing and sales teams to align on messaging, ICPs, and target accounts.
• Ensure seamless handoff of warmed and qualified leads to the sales team.
  
   

Requirements

• Experience: Minimum 2 years in Sales Development or Business Development, preferably within IT or software services.
• Proven ability to manage the full outbound process independently—from sourcing leads to initiating discovery calls.
  
   

Tools & Technologies

• AI-powered outreach tools: Apollo.io, Clay, LinkedHelper or similar.
• Email infrastructure tools: Mailgun, SendGrid, Postmark, Amazon SES, etc.; plus campaign management tools like Lemlist, Mailshake, Reply.io, Woodpecker.
• CRM proficiency: Salesforce, HubSpot, Pipedrive, or similar.
• Supplementary: LinkedIn Sales Navigator/Sequence, Hunter.io, Snov.io, ZoomInfo, RocketReach.
• Analytics: Google Sheets, Excel.
  
   

Outbound Campaign Skills

• Strong ability to craft and personalize effective cold outreach sequences.
• Hands-on experience with multi-step email and LinkedIn cadences.
• Solid knowledge of email deliverability best practices (domain warming, SPF/DKIM/DMARC, bounce handling, spam filter avoidance).
  
   

Nice to Have

• Experience with account-based selling (ABS/ABM) tactics and tools.
• Familiarity with automation tools like Zapier or Make.
• Previous SDR experience in SaaS, IT services, or technology-focused companies.
  
   

💬 Sound like your kind of challenge?
If you love people, processes, and a good challenge — let’s talk.

Join us and let’s DARE TO CREATE the future of recruitment together.

Join the best bank to work for in Bulgaria*

 

Who we are:
Do you want to join a well-established bank with a start-up culture? No, we’re not joking!

We, at tbi, have been one the most profitable banks for years and we are growing at a fast pace. We’re a bank with a long history of success that operates as a start-up and we’re always on the lookout for new opportunities to grow our business. How do we do that?

It's all about our people. Our team is made up of brave, passionate and caring people who don’t just want to follow the same path – we want to transform into mobile-first, state-of-the-art lifestyle ecosystem. Our colleagues love working here – 80% of them would recommend tbi as an employer to their friends and family. Our people are engaged in challenging and meaningful work, inspired to grow their potential and career, encouraged to learn and empowered to take decisions. That’s not corporate babble, it’s what our people say.

Do you want to play a key role in our unique success story?

If so, we're looking for a Java Developer to join our team on the journey to success!

 

What You’ll do:

• Design and develop new features in our Java solution for in-store lending
• Exchange experience and knowledge with the rest team members
• Closely work together with your team members, consisting of other developers, mobile developers, QA and a Scrum master
• Develop business logic and APIs for our front-end

• Develop integrations with our 3rd party solutions

   

What you’ll need to succeed:

• Bachelor's degree in a related field
• 5+ years of experience in developing web applications in Java
• 1+ years of experience in developing web applications in Go
• Familiar with Object Oriented design principles
• Proven experience implementing applications using Spring Boot, Docker
• Experience in relational databases modelling using a popular database (MsSQL, MySQL, PostgreSQL, Oracle etc.)
• Good knowledge of English, level B2+
• Knowledge and experience with Reactive paradigm (Webflux), Postgress DB, r2dbc
• Recommended knowledge and experience with Python, Angular, JHipster
• Experience to work with Jira, Bitbucket, Gitlab
• Effective collaboration in Agile development environments

• Ability to make independent decisions while effectively collaborating within a team

   

What we offer:

• Seize the opportunity to grow your career
• Engage in exciting and meaningful work
• Get recognition for your work and attitude
• Become part of a large, friendly and supportive team
• Get additional private health insurance
• Receive special prices for multisport card and multiple retailers
• Obtain preferential prices for our banking products

• Enjoy a great location in Sofia’s city centre near National Palace of Culture and South Park
   

   

Visit our Career Page to learn more about what makes us different.
 

If this sounds like something you’d be interested in, we'd love to hear from you!

To apply for this position, please send us your CV in English.

We'd love to get back to everyone, but due to the number of applications we receive, we can only contact the shortlisted candidates.

*We are ranked the top bank and top 4 employer to work for in Bulgaria according to Kaderabotim.bg official 2024 employer rankings.
 

All applications are treated with utmost confidentiality.

By submitting your job application to tbi bank, you confirm that you have read the document named “Information related to personal data processing for job applicants” publicly available on tbi Career page.

We are looking for an experienced Node.js Engineer to join our team!
 

Location: Remote

Employment type: Full-time, 16.00 - 22.00 Kyiv time
Stack: Node.js, Next.js, Supabase, TypeScript, LLMs

What you’ll work on:

• Design and implement the event-driven backend (Node.js / Next.js / TypeScript, Supabase).
• Build intelligent LLM agent systems with memory, retry logic, tool use, and feedback loops.
• Architect schema and workflows for dev tools webhooks and real-time updates.
• Co-own tech strategy and system design with the founders.
• Build intuitive product interfaces for human–agent collaboration.

Who you are:

• A full-stack engineer who has built and shipped 0-to-1 products.
• Experienced in Next.js, serverless/event-based systems.
• Excited by agentic workflows, AI applications, and productivity tooling.

Why join:

• Work directly with founders who’ve scaled successful dev tools.
• Shape the architecture, product direction, and technical culture from day one.
• Be a core team member of what could become the next category-defining dev platform.
• Exposure to early product iteration, customer feedback, and technical decision-making.

About the project: the product is a Y Combinator-backed startup building the next-generation internal developer platform (IDP) - a unified interface powered by AI agents that automates all the annoying engineering tasks outside the code editor: deployment, performance, incidents, and bugs. The product is already being tested by engineers at OpenAI, Google, and NASA.

Responsibilities

• Collaborate with customers and stakeholders to define and design efficient data schema and pipelines
• Perform ETL implementation, including transformations and data insertion into tables for analytics purposes
• Provide expertise in data warehousing and analytics to ensure optimized data structures
• Work on both the architectural design and actual system building
• Contribute to the development and implementation of data strategies and solutions
• Ensure the reliability and efficiency of data solutions for analytical purposes

Requirements

• Minimum of 10 years of practical hands-on experience in software development
• At least 2 years of experience as a Data Software Architect
• Expertise in GCP
• Expertise in SQL and Snowflake
• Proven experience in designing star or snowflake schemas for data warehousing and analytics
• Proficiency in data modeling and experience in cleaning, transforming, and preparing data for analysis
• Strong analytical and problem-solving abilities
• Excellent communication and interpersonal skills
• Fluent in English with a B2 level or higher

Nice to have

• Previous experience with a BI tool, especially Domo, is advantageous
• Familiarity with MongoDB is a valuable addition