Job board

Development

What your day could consist of:

• Architect and Build Pipelines by designing, developing, and maintaining high-throughput data pipelines that seamlessly transform data across our ecosystem
• Execute Data Modeling and Schema Design, utilizing DDL and DML operations to optimize data structures for both performance and long-term scalability
• Champion Engineering Excellence by implementing automated testing, CI/CD pipelines, and Infrastructure as Code (Terraform)...

Development

As our next Staff Software Engineer, you won’t just be writing code—you’ll be the high-impact catalyst at the heart of our Kraków Hub, forcing clarity and raising the bar for engineering excellence across the entire ActiveCampaign platform. You will sit at the epicenter of our AI-first transformation, architecting agentic workflows that redefine marketing automation while simultaneously pioneering AI-assisted development practices that accelerate every team around you.

This...

Development

What your day could consist of:

• Agency Platform & AI Development Building and enhancing features across the Agency platform including partner tooling, multi-account management, and API services in PHP Designing and implementing agentic AI workflows that automate and enhance partner and reseller experiences Integrating LLM-powered capabilities into core Agency features — from intelligent recommendations to automated partner operations Contributing to our Python-based...

Development

ActiveCampaign is seeking a Software Engineer to join our Kraków Hub and build production-ready AI agents for autonomous marketing. Our platform empowers businesses to automate their customer engagement — and we are now extending that with intelligent, agentic workflows that can reason, act, and adapt on behalf of our customers. Our first wave of agents is already in production. This role will drive the expansion, building the next generation of autonomous experiences across...

Development

What your day could consist of:

• Architect and Build Pipelines by designing, developing, and maintaining high-throughput data pipelines that seamlessly transform data across our ecosystem
• Execute Data Modeling and Schema Design, utilizing DDL and DML operations to optimize data structures for both performance and long-term scalability
• Champion Engineering Excellence by implementing automated testing, CI/CD pipelines, and Infrastructure as Code (Terraform)...

About Apify:

Apify is the largest marketplace of tools for AI. 40,000 Actors helping people and agents get real-time web data, track competitors, generate leads, or integrate their apps. Actors are built by a global creator community that now earns more than 1ドルM every month.

Product Marketing Manager (Integrations)

Your main mission will be to drive the growth and adoption of Apify's tech integrations. You'll talk to users to understand their needs, design creative marketing...

Your main job will be to guide users from finding the Apify Store to launching their first AI tool. You will work closely with our product and discovery teams to improve search, categories, and tool recommendations. You will look at user data daily, launch creative feature campaigns, and build a marketing strategy that directly drives sign-ups and growth.

Your main job will be to shape the future of our platform and drive its growth. You will work daily with our product and engineering teams in Prague, bringing user feedback directly into the product roadmap. From launching new API features to tracking engagement data, you will make our core tech accessible and easy to understand for everyone.

As a developer at Apify, you will take features from start to finish within a small team, using a modern stack of TypeScript, Node.js, React, and AWS. You'll write clean code, tackle scaling challenges, and deploy to production multiple times a day to make our platform better for everyone. Since we love open source, you'll also get to build and publish exciting developer tools directly to GitHub.

As our Fraud Engineer, you will design and build systems to stop bad actors in real time. You'll investigate new attack patterns, deploy quick fixes, and create internal tools to handle incidents. It's a hands-on role where you will work with security and product teams to keep our AI platform safe without slowing down legitimate users.

Who We Are

Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact.

To succeed, organizations must blend digital and human capabilities. Our diverse,...

What You'll Do

Our BCG X teams own the full analytics value-chain end to end: framing new business challenges, designing innovative algorithms, implementing, and deploying scalable solutions, and enabling colleagues and clients to fully embrace AI. Our product offerings span from fully custom-builds to industry specific leading edge AI software solutions.

Our Forward Deployed AI Scientist and Senior Forward Deployed AI Scientist are part of our rapidly growing team to apply data science...

Bloomberg is foremost a data company. Data is at the heart of everything we do; we collect it, cleanse it, enrich it, derive it, validate it, and make it available to our clients. This data is vast and varied and critical not only to our success but to that of our diverse global client base, and we continuously challenge ourselves to do this better and faster.

We are a team of software engineers who build and maintain data pipelines for Bloomberg's Macro business areas, including Economics,...

Platform Engineering builds the core platforms, tooling, and paved roads that Bloomberg engineers rely on to ship reliable, secure, and high-performing systems at scale.

The AI App Enablement & Observability team accelerates how AI products are built across Bloomberg Industry Group. Our mission is to make AI systems reliable, performant, cost-efficient, and continuously improving through platform tooling, deep observability, and automated feedback loops.

We build developer-facing platforms...

Hudson River Trading (HRT) is seeking curious, thoughtful engineers who enjoy working with data and solving real-world technical problems to join our growing Market Structure Analysis team. In this role as a Quantitative Latency Engineer, you’ll apply data-driven methodologies to understand and optimize trading technology and real-time interactions with financial markets across the globe, spanning traditional and crypto exchanges. No prior finance experience is needed!

Hudson River Trading (HRT) is a quantitative trading firm at the forefront of technological innovation. We build and deploy cutting-edge systems within one of the world’s most advanced computing environments to power our global trading operations. Our bottom-up approach to projects and collaborative coding environment empower talented engineers to make significant contributions and see their impact daily. At HRT, you'll be challenged to solve the most complex problems in trading alongside many...

Hudson River Trading (HRT) is looking for a Senior Software Engineer to focus on our Treasury Infrastructure. Coders at HRT work on small, highly productive, and efficient teams that design, improve, and maintain the technology that powers worldwide trading — at HRT, the code you write is our business. You’ll have an opportunity to work closely with Treasury Quantitative Researchers and our Funding Team to design and develop HRT's Treasury Optimization and Research Platform.

We are looking for...

Hudson River Trading (HRT) is a quantitative trading firm at the forefront of technological innovation. We build and deploy cutting-edge systems within one of the world’s most advanced computing environments to power our global trading operations. Our non-siloed, collaborative coding environment empowers talented engineers to make significant contributions and see their impact daily. At HRT, you'll be challenged to solve the most complex problems in trading alongside many of the brightest...

AI needs a new infrastructure layer. We're building it at Modal.

Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the window to build the layer underneath it is open right now.

Our customers include category-defining companies like Lovable, Ramp, Cognition,...

The Role:

We are looking for strong engineers with experience and interest in designing, building, and maintaining the novel, high-performance systems that make up our serverless platform.

The Role:

At Modal, we sell cloud services atop which our customers run their critical production systems. As a rapidly growing new cloud infrastructure company, we seek to improve our reliability dramatically while scaling the size of our platform, customer base, and our team. This role is for people who are deep systems thinkers, love stacking nines, and thrive from making others move faster at scale.

The Role:

We’re looking for an Engineering Manager to lead a group of highly experienced engineers. This is a hands-on leadership role where you’ll spend roughly half your time on technical contribution and half on people management, depending on the need. You’ll work closely with the team to set direction, remove blockers, and foster a strong engineering culture as they tackle complex systems challenges in distributed computing, large-scale data handling, and performance optimization....

The Role:

We're looking for Forward Deployed ML Engineers who want to work at the intersection of deep technical work and direct customer impact. As an ML FDE, you'll partner with leading AI companies and foundation model labs to help them achieve state-of-the-art performance on their most demanding workloads — LLM serving, model training (SFT, RLHF), audio pipelines, scientific computing, and more. You're helping teams reach outcomes most engineers can't on their own.

The FDE team today...

Numberly is recognized as one of the world's leading data marketing specialists with nearly 500 employees and 11 offices worldwide serving more than 300 clients (L'Oréal, Campari, Colgate, Nestlé, HSBC...). By putting technology to work for brands and consumers, Numberly is at the heart of business growth and everyone's desire for more sustainable and relevant marketing. Numberly leverages the latest advances in data processing, analysis and activation, incorporating artificial intelligence...

About Revolut

People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products — including spending, saving, investing, exchanging, travelling, and more — help our 75+ million customers get more from their money every day.

As we continue our lightning-fast growth, 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee...

This role offers the opportunity to relocate to Poland, Spain, or the UAE. You'll receive support from Revolut throughout the entire process. Once you move, you'll have the flexibility to work full remotely or in a hybrid model in our offices in Krakow, Barcelona, Madrid, or Dubai.

Our Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by...

Our Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.

Revolut's AI department drives innovation, powering products through a central platform and building specialised AI-driven systems deployed worldwide. Our mission is to build a world-class automated foundation that...

Our Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.

We're looking for a Python Engineer who can write high-quality code and build automated solutions for heavily regulated financial systems.

As part of the AI team that's driving innovation and powering products,...

Our Technology team builds the systems and experiences that keep Revolut moving. From the infrastructure behind our innovative app to the features used by millions of people around the world, they bring sharp thinking, speed, and a focus on meaningful impact to everything they do.

We're looking for a Mid/Senior Backend Engineer to join a team that keeps frameworks lean and focuses on what matters: clean, maintainable code, shipped fast with TDD, DDD, and continuous integration and delivery....