FH Solutions

We’re a growing product team building modern web solutions in the fintech and entertainment domains.

We’re looking for a motivated Junior React / Node.js Developer who’s eager to learn from experienced mentors and grow into a strong Full-Stack Engineer.

📍 Location: Warsaw, Poland (on-site)
🕐 Start: ASAP
 

Requirements:

•  1–2 years of experience with React, Node.js, and TypeScript
•  Understanding of RESTful APIs and CRUD operations
•  Experience with PostgreSQL or MongoDB
•  Good knowledge of HTML5, CSS3 (and preprocessors like SCSS)
•  Familiarity with Git and Agile development
•  English: Intermediate or higher (spoken communication required)

Nice to have:

• Familiarity with CI/CD pipelines
• Basic Docker or AWS experience

Responsibilities:

• Development and maintenance of Front-end applications using React and Web Components;
• Development Backend using Node.js
• Optimization of application performance and scalability.
• Testing and debugging of code.
• Participation in technical discussions and collaborative development.

CONDITIONS:

— The trial period lasts 2 months;

— 15 vacation days per year included (1.25 days are charged every month);

— 5 sick days per year included.
 

We offer:

• On-site position in Warsaw
• Mentorship from senior developers
• Real growth path from Junior to Middle level
• Friendly team and stable environment
• Competitive salary (discussed individually)

💬 If you are ready to join our team and work on exciting projects in Full-Stack development using React / Node.js, we invite you to submit your resume. Join us and showcase your talent in building high-quality, scalable web and mobile applications.

Required Skills & Experience

• Strong expertise in Terraform, including module development and infrastructure

automation.

• Hands-on experience with GitHub Enterprise and cloud providers AWS and Azure.

• Solid understanding of CI/CD, cloud networking, and infrastructure as code

principles.

• Familiarity with cloud security practices, including IAM (Identity and Access

Management), RBAC (Role-Based Access Control), and CAS (Cloud Access Security)

concepts and implementation.

• Knowledge of other Terraform providers such as Databricks is a plus but not

mandatory.

• Excellent communication and collaboration skills, with the ability to work across

teams and stakeholders.

Preferred qualifications

• Work experience with Amazon Web Services (AWS): Ideally 5 years

• Work experience with GitHub: Ideally 3+ years

• Work experience with Terraform: Ideally 3+ years

**Full-time · Long-term 

We are looking for a Senior Machine Learning Engineer with a strong background in financial data, large-scale ML systems, and production-level model deployment.

You will play a key role in building AI-powered trading models and agentic systems for a global hedge fund.

Your work will directly influence trading performance, risk management, and the fund’s core investment strategies.

Minimum Qualifications

- 6+ years of experience in Machine Learning / Deep Learning

- Strong production expertise with Python (NumPy, Pandas, PyTorch or TensorFlow)

- Proven experience training and shipping deep-learning models to production

- Experience building large-scale ML systems and ML/Data pipelines

- Hands-on experience with financial datasets, including:

    - time-series

    - tick / market data

    - order book data

    - equities, options, futures

- Solid understanding of:

    - market microstructure

    - feature engineering for trading

    - look-ahead bias

    - backtesting and model validation

    - regime shifts and non-stationary markets

- Strong knowledge of algorithms, data structures, and software engineering principles

- Experience working in cloud environments (AWS/GCP/Azure), Docker, CI/CD

- Advanced English — ability to present work, join discussions, and communicate with analysts/traders

Preferred Qualifications:

- Master’s or PhD in Computer Science, Mathematics, Engineering, or related fields

- Experience working in hedge funds, trading firms, or fintech

- Experience leading complex technical projects or mentoring engineers

- Background in:

    - risk models

    - options pricing

    - forecasting / alpha signal generation

    - portfolio optimization

- Experience with agentic systems, tool-based LLM pipelines, or multi-agent architectures

- Experience integrating multiple external market data sources

Responsibilities:
 

- Design, train, and deploy ML and agentic models for financial markets

- Build and maintain large-scale ML pipelines processing multi-source financial data

- Work closely with financial analysts to translate domain expertise into ML systems

- Integrate models into trading infrastructure together with backend engineers

- Analyze market data, build features, and optimize predictive performance

- Improve existing models and contribute to next-generation trading algorithms

Hi all, we are looking for 

Sr. Back-End Developer / PHP, Node.js, Python with SDP 

Project Details:

Start: ASAP

Duration: 3+ months

Location: Remote

English: B2+

We’re looking for an experienced Sr. Back-end Developer with proven expertise in ManageEngine ServiceDesk Plus (SDP) integrations!!! This role involves building a custom integration similar to our existing ServiceNow workflow.

Key Requirements:

-Hands-on experience with ManageEngine SDP REST APIs, API keys/OAuth, and secure REST communication

-Strong skills in PHP, Node.js, or Python

-Ability to capture ticket data on create/update events and trigger a specified URL

-Write verification results back into SDP tickets (status, details, etc.)

-Build a clean, maintainable integration architecture

Deliverables:

Fully working SDP integration aligned with our ServiceNow logic

Source code + documentation

Setup guide, configs, troubleshooting docs

Final walkthrough session

‼️ Must-Have:

Candidates without ManageEngine ServiceDesk Plus experience will not be considered.

We are looking for a Senior Full-Stack Developer with deep experience in cloud-based backend development, secure API architecture, ETL pipelines, and modern frontend interfaces. The ideal Toptal engineer is strong in Azure, React, Kubernetes and backend security best practices, with the ability to take features from architecture to production independently.

Responsibilities:

• Build and maintain backend services on Azure (Functions, App Services, API Management, Event Hub/Service Bus, Key Vault).

• Architect secure APIs, enforce auth standards (OAuth2, JWT), and implement best practices for secrets management, encryption, and threat mitigation.

• Design, build, and optimize ETL/ELT data flows (batch and streaming) for ingestion, transformation, validation, and monitoring.

• Develop high-quality React/TypeScript front-end applications.

• Implement scalable cloud infrastructure patterns including distributed workloads, observability, and automated CI/CD.

• Collaborate with data science and product teams to deliver customer-facing features end-to-end.

• Contribute to architecture discussions and help define engineering best practices.

Requirements:

• 5+ years experience in engineering 

Strong proficiency in:

• Azure Functions, App Services, API Management, Event Hub/Service Bus

• React, TypeScript, Node.js

• Python, Rest API frameworks (Flask, FastAPI etc). LangChain

• ETL pipelines and data workflow orchestration

• English - B1-B2

Strong understanding of backend security best practices:

• OAuth2, JWT, RBAC/permissions

• Secure secrets & credential handling

• API rate limiting, logging, audit trails

• Experience building production-grade cloud architectures.

• Ability to work independently in a fast-paced startup environment.

• Before you leave your feedback, please carefully review the requirements! 
   

We are looking for a Senior Full-Stack Developer with deep experience in cloud-based backend development, secure API architecture, ETL pipelines, and modern frontend interfaces. The ideal Toptal engineer is strong in Azure, React, Kubernetes and backend security best practices, with the ability to take features from architecture to production independently.

Responsibilities:

• Build and maintain backend services on Azure (Functions, App Services, API Management, Event Hub/Service Bus, Key Vault).

• Architect secure APIs, enforce auth standards (OAuth2, JWT), and implement best practices for secrets management, encryption, and threat mitigation.

• Design, build, and optimize ETL/ELT data flows (batch and streaming) for ingestion, transformation, validation, and monitoring.

• Develop high-quality React/TypeScript front-end applications.

• Implement scalable cloud infrastructure patterns including distributed workloads, observability, and automated CI/CD.

• Collaborate with data science and product teams to deliver customer-facing features end-to-end.

• Contribute to architecture discussions and help define engineering best practices.

Requirements:

• 5+ years experience in engineering 

Strong proficiency in:

• Azure Functions, App Services, API Management, Event Hub/Service Bus

• React, TypeScript, Node.js

• Python, Rest API frameworks (Flask, FastAPI etc). LangChain

• ETL pipelines and data workflow orchestration

• English - B1-B2

Strong understanding of backend security best practices:

• OAuth2, JWT, RBAC/permissions

• Secure secrets & credential handling

• API rate limiting, logging, audit trails

• Experience building production-grade cloud architectures.

• Ability to work independently in a fast-paced startup environment.