AltusNova

Responsibilities:

• Development and maintenance of the Solana Geyser plugin.
• Creation and optimization of indexers for fast data access (events in relevant Solana DEXs).
• Preferable: Development, deployment, and optimization of smart contracts (native Rust).
   

Candidate Requirements:

• Experience in Rust development, understanding of the language’s features, capabilities, and limitations.
• Knowledge of synchronization and parallelism mechanisms, async/await, with a focus on writing high-performance code.
• Deep knowledge and experience in Solana blockchain development, including plugin creation (Solana Geyser plugin).
• Understanding of the principles and features of modern decentralized exchanges (DEX).
• Experience working with Solana RPC API, interacting with external services and protocols.
• Proficiency in gRPC, Postgres, Redis, ClickHouse.
• Experience in writing tests and using profiling tools to identify bottlenecks in multithreaded applications.
   

Preferred Skills:

• Deployment and configuration of a Solana node on bare-metal.
• Proficiency in technologies and languages for smart contract development (native Rust, not Anchor).
• Understanding of smart contract security and data protection mechanisms.
• Experience in indexer development, including architecture and optimization approaches.
   

Work Conditions:

• Remote work.
• Flexible schedule and the opportunity to participate in interesting and promising projects.
• Opportunities for professional growth.

Company: Altusnova
 Job Type: B2B, Remote Collaboration
 

About Altusnova

Altusnova is a product management and business consulting agency specializing in cloud-based solutions across various industries. Our projects span IoT solutions, healthcare technology, financial and business process automation, and other complex enterprise applications. We seek experienced backend engineers who not only excel in coding but also actively contribute to the broader aspects of software development, including architecture, infrastructure, and process improvement.
 

About the Role

We are seeking an experienced Team Lead - Senior Backend .NET Developer to lead the development of cloud-based solutions, primarily on AWS (with some Azure). This role requires a strong architectural mindset, hands-on technical expertise, and excellent communication skills to collaborate with customers, product management, and development teams.
 

Key Responsibilities

• Solution Architecture & Design: Define, refine, and implement application and system architecture, ensuring scalability, performance, and security.
• Technical Leadership: Guide the development team in adopting best practices, coding standards, and modern engineering approaches.
• Customer & Product Collaboration: Work closely with customers and product management to gather and clarify requirements, define technical solutions, and drive product vision.
• Hands-on Development: Contribute actively to coding, code reviews, and system optimization.
• DevOps & Delivery: Ensure smooth integration, deployment, and delivery pipelines, following best practices for automation and reliability.
• Team Coordination: Foster collaboration between developers, DevOps, and other stakeholders to ensure smooth project execution.
• Process & Delivery Oversight: Drive agile best practices, ensuring high-quality deliverables and adherence to timelines.
   

Must-Have Skills & Experience

• 7+ years of .NET backend development experience.
• Strong expertise in cloud-based architecture (AWS, some Azure) and distributed systems.
• Extensive experience with microservices and event-driven architectures.
• Strong experience in SQL & NoSQL databases and optimizing data storage solutions.
• DevOps and delivery experience, including CI/CD pipelines, automation, and system reliability best practices.
• Excellent communication skills, able to interact effectively with customers and cross-functional teams.
• Experience in defining technical roadmaps and making architectural decisions.
• Familiarity with security best practices in cloud applications.
• Ability to lead and mentor other developers, fostering a culture of knowledge-sharing.
   

Big Plus

• Hands-on experience with business digital transformation projects.
• Knowledge of Python, Node.js, or frontend development.
• Experience working with IoT applications.
   

Why You Might Like Working With Us

• Own the product roadmap and requirements through strategic partnerships with our clients.
• Work on mission-critical projects that present complex technical and business challenges.
• Collaborate in cross-functional pods with Product Managers, Solution Architects, and Tech Leads.
• Deliver full product solutions, not staff augmentation.
• Engage in seamless remote collaboration with minimal administrative overhead.
• Enjoy 100% remote work with flexible working hours.
• Gain experience in diverse industries through a variety of projects.
   

Contribute to a collaborative environment, influencing decisions beyond just coding.

We are looking for an experienced .NET Developer to help us build a resilient, high-load system. The project consists of multiple services interacting via gRPC and RabbitMQ, with extensive use of PostgreSQL, Redis, ClickHouse, and SignalR supporting a large number of simultaneous connections.

Position Details

• Work format: Fully remote

• Experience: Minimum 5 years
 

Responsibilities:

• Developing Web APIs using ASP.NET Core (.NET 9) with gRPC, RabbitMQ, PostgreSQL, ClickHouse, and Redis.

• Developing and optimizing a SignalR service that supports high concurrency.

• Configuring monitoring and logging (Serilog, Prometheus, Grafana).

• Implementing resilience and High Availability (HA) across all system components.

• Conducting performance testing and addressing bottlenecks.
 

Requirements:

• Experience with .NET Core / .NET 9.

• Strong knowledge of gRPC (routing, load balancing, streaming RPC).

• Experience with RabbitMQ (configuration, message handling, retry mechanisms).

• Knowledge of PostgreSQL (query optimization, replication, backup/restore).

• Experience with Redis (caching, pub/sub, replication, clustering).

• Understanding of ClickHouse (data modeling, query optimization).

• Knowledge of resilience principles and ensuring HA.

• Knowledge of SignalR and experience managing a large number of connections.

• Experience with monitoring tools (Prometheus, Grafana, etc.).

Nice to have:

• Experience working with high-load systems (100k+ concurrent connections).

• Experience configuring servers and deploying applications on bare-metal infrastructure (Ubuntu).

• Experience with Kubernetes in a bare-metal environment.

• Performance optimization skills (profiling, caching).

• Experience setting up load balancing (Nginx, HAProxy, etc.).

• ClickHouse configuration and optimization experience for analytical workloads.

What we offer:

• Interesting challenges on a high-load project using a modern technology stack.

• Opportunity to influence the system architecture.

• Flexible working hours and remote work options.

We would be happy if you became part of our team.

Senior Backend .NET Developer (Cloud Solutions) – Remote
 

About Altusnova

Altusnova is a product management and business consulting agency specializing in cloud-based solutions across various industries. Our projects span IoT solutions, healthcare technology, financial and business process automation, and other complex enterprise applications. We seek experienced backend engineers who not only excel in coding but also actively contribute to the broader aspects of software development, including architecture, infrastructure, and process improvement.
 

Role Overview

We are looking for a Senior Backend .NET Developer to join our team remotely. The ideal candidate will have a strong technical background in .NET and cloud-based solutions (AWS primarily, with some Azure exposure) and will take an active role in defining architectures, setting up development processes, and ensuring high-quality implementations.

This role is more than just writing code—you’ll be involved in key architectural decisions, defining best practices, and collaborating directly with customer teams.
 

Key Responsibilities

• Architect and develop backend solutions using .NET technologies in cloud-based environments (AWS/Azure).
• Define and implement best practices in software development, including CI/CD, testing, and security.
• Work closely with customers to understand business needs and align technical solutions accordingly.
• Optimize databases (SQL and NoSQL) to ensure scalability and high performance.
• Design and implement event-driven and serverless architectures, leveraging AWS Lambda, SNS/SQS, DynamoDB Streams, and similar technologies.
• Lead technical discussions and mentor team members as needed.
• Contribute to DevOps practices, including cloud infrastructure, deployment pipelines, and monitoring.
• Ensure quality assurance through automated testing and rigorous code reviews.
• Actively participate in project planning, including requirements gathering, estimations, and architectural decisions.
• Ensure accurate time tracking for transparent client billing.
   

Requirements

• 5+ years of experience in backend development using C# and .NET (ASP.NET Core, Entity Framework, etc.).
• Strong expertise in cloud-based architectures (AWS required, Azure is a plus).
• Experience with SQL and NoSQL databases (PostgreSQL, SQL Server, MongoDB, DynamoDB, etc.).
• In-depth understanding of event-driven and serverless architectures (AWS Lambda, SNS, SQS, EventBridge, etc.).
• Strong grasp of modern software architecture principles (microservices, event-driven architectures, domain-driven design).
• Hands-on experience with DevOps tools (Docker, Kubernetes, Terraform, CI/CD pipelines).
• Proficiency in APIs, authentication & authorization mechanisms (OAuth, JWT, etc.).
• Ability to work independently, take ownership, and drive initiatives.
• Strong communication skills in English, as direct collaboration with customers is expected.
   

Why you might like working with us

• Own the product roadmap and requirements through strategic partnerships with our clients.
• Work on mission-critical projects that present complex technical and business challenges.
• Collaborate in cross-functional pods with Product Managers, Solution Architects, and Tech Leads.
• Deliver full product solutions, not staff augmentation.
• Engage in seamless remote collaboration with minimal administrative overhead.
• Enjoy 100% remote work with flexible working hours.
• Gain experience in diverse industries through a variety of projects.
• Contribute to a collaborative environment, influencing decisions beyond just coding.
   

If you’re a highly skilled backend developer looking to work on impactful projects in an environment where your contributions shape product outcomes, we’d love to hear from you!

About the Project

We are developing an AI agent for social analytics that will analyze and process data in real-time, automate data collection from social platforms (Telegram, X.com/Twitter, and other sources), and interact with various services.

The candidate will be responsible for building the AI agent from scratch, designing its architecture, training, optimizing, and integrating it into various platforms, as well as automating data collection, processing, and feeding it into the model. This is a product-focused role, where it is essential not only to write code but also to contribute to the design and improvement of the technology.

Position Details

• Work format: Fully remote

• Experience: Minimum 5 years

• Key Technologies: Python, LLM (Large Language Models), API, SQL/NoSQL, LangChain, OpenAI API, Selenium, Scrapy, FastAPI, Kafka, RabbitMQ, Celery

Key Responsibilities

• Developing an AI agent from scratch – designing the architecture, implementing logic, and handling data streams.

• Training, testing, and optimizing the AI agent using LLM (Large Language Models).

• Developing a real-time data pipeline for continuous training and improvement of the model.

• Optimizing model performance – reducing latency, improving response accuracy.

• Developing and fine-tuning neural network models, including pretraining, fine-tuning, and adaptation for specific tasks.

• Integrating the AI agent with external services (Telegram, X.com/Twitter, websites) and building a user-friendly interaction interface.

• Automating data collection and processing, setting up ETL/ELT data pipelines.

• Scraping data from Telegram, X.com (Twitter), and other sources (Selenium, Scrapy, Playwright).

• Interacting with APIs from X.com and Telegram (creating automated accounts, data collection, automation of interactions).

• Working with databases (SQL, NoSQL, vector databases) – designing, optimizing queries, and storing AI-related data.

• Developing APIs and microservices for AI agent interaction (FastAPI, Flask, Django).

Key Requirements

• Strong proficiency in Python + experience with other programming languages (JavaScript, Go, C++ is a plus).

• Deep understanding of neural network architectures and machine learning techniques, including pretraining, fine-tuning, and adaptation of LLMs (OpenAI API, Hugging Face, LangChain, DeepSpeed, PyTorch, TensorFlow).

• Experience working with LLMs – implementation, customization, and optimization of models.

• Experience with API integrations – connecting with X.com, Telegram, and other services.

• Experience with SQL and NoSQL databases (PostgreSQL, MySQL, Redis, MongoDB, Weaviate, FAISS, ChromaDB).

• Experience with ETL/ELT processes and stream data processing (Kafka, RabbitMQ, Celery).

• Experience with web scraping – Selenium, Scrapy, Playwright.

• English proficiency – sufficient for reading and understanding technical documentation.

• Fluent in Ukrainian or Russian.

Additional Technologies (Preferred but Not Required)

• Experience with MLOps – MLflow, Kubeflow, Prefect, Airflow.

• Experience with Kubernetes, Docker, CI/CD (GitHub Actions, GitLab CI/CD, ArgoCD).

• Experience in deploying and fine-tuning LLMs (Fine-tuning, LoRA, DeepSpeed, BitsAndBytes).

• Experience with bots and automation for AI-agent interaction.

• Developing web interfaces and APIs for AI-agent interaction (Streamlit, Gradio).

Soft Skills

• Independence and proactiveness – ability to take responsibility for key development areas.

• Flexibility and adaptability to new technologies – AI and LLM fields evolve rapidly, requiring a quick learning ability.

• Product-oriented mindset – focus on delivering user value, not just writing code.

If you are interested in a challenging and innovative project where you can do more than just coding but actually build a powerful AI agent from the ground up, we would love to hear from you!