𝐖𝐞'𝐫𝐞 𝐡𝐢𝐫𝐢𝐧𝐠 𝐒𝐞𝐧𝐢𝐨𝐫 𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐬.

Are you passionate about artificial intelligence and ready to take on exciting challenges? Remote IT World is looking for talented AI Engineers to join one of the hottest AI startups in Sofia.

𝐖𝐡𝐚𝐭 𝐘𝐨𝐮'𝐥𝐥 𝐃𝐨:

🔹Develop and implement cutting-edge AI solutions that revolutionize the construction technology industry.
🔹Collaborate with cross-functional teams to design intelligent systems and algorithms.
🔹Optimize existing AI models and ensure high performance in real-world applications.
🔹Contribute to innovative projects that push the boundaries of technology and creativity.

𝐖𝐡𝐚𝐭 𝐖𝐞’𝐫𝐞 𝐋𝐨𝐨𝐤𝐢𝐧𝐠 𝐅𝐨𝐫:

🔹Proven experience in AI/ML development, with a strong background in Python programming.
🔹Familiarity with machine learning frameworks.
🔹Knowledge of RAG systems, vector search, and related technologies.


𝐀𝐩𝐩𝐥𝐲 𝐧𝐨𝐰 https://recruitcrm.io/apply/17639747339760085089vwb

𝑾𝒆’𝒓𝒆 𝒉𝒊𝒓𝒊𝒏𝒈: 𝑺𝒆𝒏𝒊𝒐𝒓 𝑩𝒂𝒄𝒌𝒆𝒏𝒅 𝑬𝒏𝒈𝒊𝒏𝒆𝒆𝒓 – 𝑨𝑰 𝑷𝒍𝒂𝒕𝒇𝒐𝒓𝒎 (𝑺𝒐𝒇𝒊𝒂)

A Harvard-founded, NYC-based AI startup is building its new Sofia R&D hub and we’re looking for a Senior Backend Engineer to join the team.


What you’ll work on:
• Microservices & APIs
• Event-driven workflows
• High-volume data ingestion
• AWS (RDS, SQS)
• Integrating AI features into production systems


Must-haves:
✔ Strong Python
✔ Distributed systems
✔ Event-driven architecture
✔ SQL/Postgres
✔ AWS experience
✔ TDD mindset


Why join:
• Hybrid (Sofia Tech Park)
• Options package
• 25 days PTO
• Funded AI startup in a $5B industry
• Work with top software + AI engineers

👉 𝑨𝒑𝒑𝒍𝒚 𝒕𝒉𝒓𝒐𝒖𝒈𝒉 𝒕𝒉𝒆 𝒍𝒊𝒏𝒌 𝒃𝒆𝒍𝒐𝒘 𝒐𝒓 𝒔𝒆𝒏𝒅 𝒚𝒐𝒖𝒓 𝑪𝑽 𝒅𝒊𝒓𝒆𝒄𝒕𝒍𝒚 𝒕𝒐 𝒎𝒚 𝒆𝒎𝒂𝒊𝒍: stefka@remoteitworld.com

https://recruitcrm.io/apply/17639739130080065603Duj

𝑬𝒙𝒄𝒊𝒕𝒆𝒅 𝒕𝒐 𝒎𝒆𝒆𝒕 𝒕𝒉𝒆 𝒏𝒆𝒙𝒕 𝒔𝒕𝒂𝒏𝒅𝒐𝒖𝒕 𝒆𝒏𝒈𝒊𝒏𝒆𝒆𝒓𝒔 🦸🏻

🦀 We are Hiring: Senior Rust Engineer - DeFi - Fully Remote 🦀

Join a high-ownership, early-stage startup shaping the future of on-chain yield.

What you get:
🔹 Fully remote, permanent, full-time role
🔹 Opportunity to build a Solana-based yield protocol from the ground up
🔹 Long-term career impact in a fast-growing DeFi startup
🔹 Work with a passionate, high-performing team

You’re a fit if:
🔹 You’re a Solana + Rust pro
🔹 Thrive in high-ambiguity, complex challenges
🔹 Deliver secure, high-quality code with ownership

📍 Fully Remote | Startup | Long-term

Interested? Send your CV to stefka@remoteitworld.com or apply directly through the link.

https://recruitcrm.io/apply/17643404165570065603PVX

We’re Hiring: Senior Web3 Engineer - DeFi - Fully Remote

Join a high-ownership team building an intelligent platform routing capital to top risk-adjusted yield across DeFi.

What you get:
🔹 Fully remote, permanent, long-term role
🔹 Build a multichain yield platform from the ground up
🔹 Real ownership over core backend & Web3 infrastructure
🔹 Opportunity to shape yield strategies and product direction
🔹 Work with a focused, high-performing team

You’re a fit if:
🔹 5+ years building production Web3 backends
🔹 Strong EVM & DeFi fundamentals
🔹 Experienced with smart contract & protocol integrations
🔹 Comfortable owning complex on-chain systems
🔹 Tools like ethers, viem, wagmi, Tenderly are familiar

📍 Fully Remote | DeFi | Long-term

Interested?

Send your CV to stefka@remoteitworld.com or apply directly through the link.

https://recruitcrm.io/apply/17643398568350065603Qny

💼 Senior/ Lead ML Engineer & Mid-Level Backend Engineers are Wanted!
🌎 Remote Anywhere in Europe & Latam
🦄 Join US-founded remote-first healthtech AI startup.

Are you ready for:

- Impactful work
- Asyncronous collaborative environment
- Professional growth

Send your CV to hr@remoteit.world and I will introduce you directly to the hiring team.

Deadline to apply: 19th of Dec, 2026

PS: Refer-a-friend and win good karma.
♻️ Repost to help a friend land a job for Xmas.
🔔 Follow Yanislava Hristova 🌎 and Remote IT World for more remote jobs in AI, Web3 and FinTech.

𝑾𝒆’𝒓𝒆 𝒉𝒊𝒓𝒊𝒏𝒈: 𝑺𝒆𝒏𝒊𝒐𝒓 𝑩𝒂𝒄𝒌𝒆𝒏𝒅 𝑬𝒏𝒈𝒊𝒏𝒆𝒆𝒓 – 𝑨𝑰 𝑷𝒍𝒂𝒕𝒇𝒐𝒓𝒎 (𝑺𝒐𝒇𝒊𝒂)

A Harvard-founded, NYC-based AI startup is building its new Sofia R&D hub and we’re looking for a Senior Backend Engineer to join the team.


What you’ll work on:
• Microservices & APIs
• Event-driven workflows
• High-volume data ingestion
• AWS (RDS, SQS)
• Integrating AI features into production systems


Must-haves:
✔ Strong Python
✔ Distributed systems
✔ Event-driven architecture
✔ SQL/Postgres
✔ AWS experience
✔ TDD mindset


Why join:
• Hybrid (Sofia Tech Park)
• Options package
• 25 days PTO
• Funded AI startup in a $5B industry
• Work with top software + AI engineers

👉 𝑨𝒑𝒑𝒍𝒚 𝒕𝒉𝒓𝒐𝒖𝒈𝒉 𝒕𝒉𝒆 𝒍𝒊𝒏𝒌 𝒃𝒆𝒍𝒐𝒘 𝒐𝒓 𝒔𝒆𝒏𝒅 𝒚𝒐𝒖𝒓 𝑪𝑽 𝒅𝒊𝒓𝒆𝒄𝒕𝒍𝒚 𝒕𝒐 𝒎𝒚 𝒆𝒎𝒂𝒊𝒍: stefka@remoteitworld.com

https://recruitcrm.io/apply/17639739130080065603Duj

𝑬𝒙𝒄𝒊𝒕𝒆𝒅 𝒕𝒐 𝒎𝒆𝒆𝒕 𝒕𝒉𝒆 𝒏𝒆𝒙𝒕 𝒔𝒕𝒂𝒏𝒅𝒐𝒖𝒕 𝒆𝒏𝒈𝒊𝒏𝒆𝒆𝒓𝒔 🦸🏻

Happy Wednesday, everyone!

You might be wondering… what’s so happy about it?

Well, I’ve got a new opportunity to share 📣
We’re looking for a Senior Frontend Engineer to join our awesome team in Sofia, Bulgaria.

You’ll be working on exciting React projects and helping shape the way we build things.

If this sounds like your kind of challenge, I’d love to hear from you 😊

Apply via the link below or just send your CV to stefka@remoteitworld.com

https://recruitcrm.io/apply/17648369294440065603Okf

New Fully Remote Job for

💼 Lead (AI) Machine Learning Engineer
🌍 European Union based (Remote)
💶 up to 100K EUR gross annual

Why you should apply:

• Join a truly global and diverse remote-first team distributed worldwide.
• Drive innovation in skin health with cutting-edge AI technology.
• Shape the future of biotech by training your own models in a remote-first startup environment.

Main Requirements:
• 10+ years of experience in software engineering and / or data science
• Deep experience in training proprietary machine learning models
• High level of autonomy, ownership mentality and fluency in English

Apply now and I can introduce you to the hiring managers.

https://recruitcrm.io/apply/17646831980710014270rFj

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Let's help more people bring back their freedom.

❤️‍🔥 New Fully Remote Job ❤️‍🔥
💼 Senior Full-Stack Engineer - FinTech
🌍 Remote-first (Work from anywhere in Bulgaria)
💎 Competitive compensation + top-tier benefits

Why you should apply:
• Build a cutting-edge FinTech product trusted by millions of professionals worldwide.
• Join a remote-first, high-performing engineering team that values clean code and ownership.
• Grow your career in a modern tech stack with strong engineering practices (TDD, CI/CD).
• Enjoy true flexibility, excellent benefits, and regular company retreats.

Key Requirements:
• 4+ years of professional software development experience.
• Strong proficiency in React and at least one OOP language.
• Experience with TypeScript, GraphQL, and SQL databases (PostgreSQL preferred).
• Passion for clean, maintainable code and continuous learning.
• Strong communication skills and fluent English.

👉 Apply now and I can introduce you directly to the hiring team.
🔗 https://recruitcrm.io/apply/17678773845150065603DqK
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Let’s help more people work freely, remotely, and meaningfully 🌍

New Fully Remote Job for


💼 Lead Mobile Engineer
🌍 European Union based (Remote)
💶 Up to $140K - $220K gross annual


Why You Should Apply:

• Join a Global Team: Be part of a diverse, remote-first team that collaborates across borders.
• Innovate with Cutting-Edge Technology: Drive advancements in mobile applications using the latest tech stacks.
• Make an Impact in a Startup Environment: Enjoy the autonomy to lead projects and shape the future of mobile solutions.

Main Requirements:
• 8+ years of experience in software engineering with a focus on mobile development.
• Proven expertise in building and deploying mobile applications on fintech and on chain
•Strong leadership skills, ownership mentality, and fluency in English.

Apply now and I can introduce you to the hiring managers.


https://recruitcrm.io/apply/17581919170980065603Cjd

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Sharing is caring.


Let’s empower more people with innovative mobile solutions!

🚀 New job in Sofia, Bulgaria
💼 Senior Frontend Engineer (React) – Insurtech
🌍 Hybrid (Sofia-based)
💎 Competitive compensation + strong social benefits

Why you should apply:
• Join a Pre-IPO, fast-growing AI-powered Insurtech company.
• Work on the core product that directly impacts thousands of users.
• Be part of a modern frontend team building scalable, high-quality UI with React.
• Enjoy flexible working hours, a healthy hybrid setup, and a strong work-life balance.
• Benefit from excellent social benefits, including additional insurance coverage.

Key Requirements:
• 5+ years of professional experience as a Frontend Engineer.
• Strong expertise in React and modern JavaScript (ES6+).
• Solid experience with TypeScript, HTML5, CSS3, and modern frontend tooling.
• Experience working with APIs and collaborating closely with backend teams.
• Passion for clean, maintainable code and user-centric product development.
• Strong communication skills and fluent English.

👉 Apply now and I can introduce you directly to the hiring team.
🔗 https://recruitcrm.io/apply/17648369294440065603Okf
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Let’s build meaningful products in tech that actually makes an impact 🚀

New Fully Remote Job for

💼 Software Engineer
🌍 European Union based (Remote)
junior to mid level, budget depends on experience

Why You Should Apply:

• Join a Global Team: Be part of a diverse, remote-first team that collaborates across borders in the digital finance sector.
• Work on High-Impact Projects: Contribute to innovative financial services using a modern, scalable technology stack.
• Shape Your Career: Enjoy the opportunity to mentor others and make significant architectural decisions in a dynamic environment.


Main Requirements:
• Solid understanding of software engineering fundamentals.
• At least some programming experience with Python ot Node.js
• Basic knowledge of microservices architecture, 12-factor applications based on containers, and cloud-native practices.
• Experience with or a keen interest in learning Event-Driven Architecture, Domain-Driven Design, and scalable asynchronous software.



Apply now and I can introduce you to the hiring managers.

https://recruitcrm.io/apply/17678755531310085089pnV

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Let’s drive innovation in the digital finance landscape together!

🔥 Hot Role: Pivot to Python🔥
💼 Role: Senior Backend Engineer
🌍 Location: Sofia, Bulgaria (Hybrid)
📄 Type: Permanent / Local EmploymentWhy You Should Apply:
🚀 Join a Global Team: Be part of a diverse, innovative team driving change in the digital finance sector.
💻 High-Impact Work: Build cutting-edge insurance solutions using a modern, scalable tech stack.
📈 Shape Your Career: Mentor juniors and influence architectural decisions in a fast-paced environment.

What We Are Looking For:
✅ Experience: 4+ years building backend apps in ANY language (Java, C#, Node, Go, etc.).
✅ The Pivot: A strong willingness to learn Python and adapt to our stack.
✅ Tech Skills: Solid grasp of SQL & NoSQL, Unit/Integration testing, and Cloud platforms (AWS preferred).
✅ Optimization: A keen eye for code performance and architectural efficiency.
✅ Communication: Fluent verbal and written English.

👉 Apply now and I can introduce you directly to the hiring team.
https://recruitcrm.io/apply/17647484967130065603TKx

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Sharing is caring! 👐

❤️‍🔥 New Fully Remote Job ❤️‍🔥
💼 Senior Full-Stack Engineer - FinTech
🌍 Remote-first (Work from anywhere in Bulgaria)
💎 Competitive compensation + top-tier benefits

Why you should apply:
• Build a cutting-edge FinTech product trusted by millions of professionals worldwide.
• Join a remote-first, high-performing engineering team that values clean code and ownership.
• Grow your career in a modern tech stack with strong engineering practices (TDD, CI/CD).
• Enjoy true flexibility, excellent benefits, and regular company retreats.

Key Requirements:
• 4+ years of professional software development experience.
• Strong proficiency in React and at least one OOP language.
• Experience with TypeScript, GraphQL, and SQL databases (PostgreSQL preferred).
• Passion for clean, maintainable code and continuous learning.
• Strong communication skills and fluent English.

👉 Apply now and I can introduce you directly to the hiring team.
🔗 https://recruitcrm.io/apply/17678773845150065603DqK
🔁 Repost to your network - sharing is caring.


Let’s help more people work freely, remotely, and meaningfully 🌍

New Fully Remote Job for:

💼 Tech Lead / АI Platform
🌍 European Union based (Remote)
📄 Type: Permanent
💎 Competitive compensation + strong social benefits

Why You Should Apply:

• Drive Impact: Lead architectural decisions and shape the technical direction to align with business goals.
• Empower Others: Mentor developers, lead hiring efforts, and foster growth within a collaborative, agile team.
• Innovate: Drive the adoption of new technologies and lead high-level software implementation in a distributed environment.

Key Requirements:
• Experience: 7+ years in software development, including 3+ years of hands-on Python and extensive web development.
• Leadership: Proven background in management (Tech Lead, EM, or similar) and a passion for mentoring.
• Expertise: Deep knowledge of software architecture, design patterns, and analytical problem-solving.
• Education & Language: Degree in CS/Engineering and fluency in English.
• Bonus: Experience with AI/ML or active participation in tech conferences/research.

👉 Apply now and I can introduce you directly to the hiring team.
🔗 https://recruitcrm.io/apply/17509450795760085089JcU
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Let’s help more people work freely, remotely, and meaningfully 🌍

New Fully Remote Job for

💼 Senior Business Development Manager
🌍 Europe and/ or Asia Remote
💸 Base + commissions

Why You Should Apply:

• Join a trailblazing team
• Drive high-impact deals
• Make your mark in transformative liquidity solutions in a fast-paced environment.

Main Requirements:

• Extensive knowledge of CEX market-making (mandatory).
• Familiarity with DEX market-making and OTC transactions (preferred).
• Proven track record of building and leveraging a strong network in the crypto space.
• Comfort with pricing models, negotiation, and deal-closing conversations.
• Self-motivated, commercially sharp, and ready to take on significant responsibility.

👉Apply now and I can introduce you to the hiring managers.

https://recruitcrm.io/apply/17682907758020014270ntM

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Let’s transform the crypto landscape together!

🚀 New Hybrid Position🚀

💼Software Engineering Manager
📍Location: Sofia, Bulgaria (Hybrid)
💰Competitive salary with premium benefits package

Why you should apply:
·  Lead global engineering teams in a Fortune 500 fast-growing trading company
·  Drive high-impact projects, use innovative tools and partner with other leaders to support the company’s business goals
·  Grow your career and play a key leadership role in a reputable company using a modern tech stack and best programming practices.

What you bring:
·  10+ years of software development experience and 2+ years of experience in leading small to mid-size distributed teams.
·  Strong proficiency in Java and Springboot.
·  Excellent analytical, problem-solving and communication skills with fluent English.
·  Experience with CI/CD and automated testing frameworks.

👉Apply now and I can introduce you directly to the hiring team.
https://recruitcrm.io/apply/17630945932690014270nWG

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Let’s work on innovative projects together and shape the tech world!

🚀 Fully Remote Job for

💼 Software Engineer (Backend)
🌍 Europe Remote
💸 Skills-based salary,DOE

Why You Should Apply:

• Work on meaningful fintech products with real impact
• Join a fast-growing, global engineering team
• Build scalable backend systems using modern technologies
• Be part of technical decisions, not just execution
• Grow your skills with learning support and mentorship

Main Requirements:

• Solid software engineering fundamentals
• Experience with Python and/or Node.js
• Basic understanding of microservices and cloud-based systems
• Interest in clean code, testing, and CI/CD
• Curiosity about event-driven and scalable architectures
• Strong communication skills and a growth mindset

👉 Apply now and I can introduce you to the hiring managers
🔗 https://recruitcrm.io/apply/17678755531310085089pnV

🔁 Repost to your network — sharing is caring.

If Bitcoin is in your heart, this is for you!

🔥 Hot Role: Pivot to Python🔥
💼 Role: Senior Backend Engineer
🌍 Location: Sofia, Bulgaria (Hybrid)
📄 Type: Permanent / Local EmploymentWhy You Should Apply:
🚀 Join a Global Team: Be part of a diverse, innovative team driving change in the digital finance sector.
💻 High-Impact Work: Build cutting-edge insurance solutions using a modern, scalable tech stack.
📈 Shape Your Career: Mentor juniors and influence architectural decisions in a fast-paced environment.

What We Are Looking For:
✅ Experience: 4+ years building backend apps in ANY language (Java, C#, Node, Go, etc.).
✅ The Pivot: A strong willingness to learn Python and adapt to our stack.
✅ Tech Skills: Solid grasp of SQL & NoSQL, Unit/Integration testing, and Cloud platforms (AWS preferred).
✅ Optimization: A keen eye for code performance and architectural efficiency.
✅ Communication: Fluent verbal and written English.

👉 Apply now and I can introduce you directly to the hiring team.
https://recruitcrm.io/apply/17647484967130065603TKx

♻️ Repost to your network.

Sharing is caring! 👐