Accellabs

 We’re Hiring: Senior Full Stack Engineer (Focus on Frontend)

Product: an AI-powered financial calculation system for auto loans and leasing in the U.S. market. 

Are you a seasoned Full Stack Engineer with a strong emphasis on frontend development and a passion for creating scalable, high-quality applications? 

Join our lean, fast-moving remote team building AI-driven financial tools for the U.S. auto industry. 

What You’ll Be Doing:

• Build and maintain user-facing features with high performance and responsiveness.
• Collaborate with the product manager, QA engineers, and designers to deliver intuitive, impactful functionality.
• Contribute to architectural decisions and ensure clean, maintainable code across the stack.
• Optimize the app for maximum speed, performance, and scalability.
• Participate in code reviews, live coding sessions, and technical planning.
• Work independently and drive solutions end-to-end with minimal supervision.

What We’re Looking For:

• 6+ years of experience in software engineering of with a strong focus and 4+ years on frontend development.
• Solid knowledge of JavaScript/TypeScript and frameworks (React is must, near pixel perfect lay-outing).
• Experience with backend technologies (Node.js, Express, or similar).
• Understanding of CI/CD pipelines and cloud services (AWS preferred).
• Clear and confident English communication skills (B2+ level).
• Proactive mindset, problem-solving attitude, and ability to work autonomously (must).
• Playwright usage for end-to-end tests is the great plus.

Your Future Team:

• Senior Full Stack Engineer (plus you!)
• 2 Automation QA Engineers
• UI/UX Designer
• Product Manager
• DevOps Engineer
• Tech gurus as advisors.

What We Offer:

• 100% remote — work from anywhere
• Engaging product — cutting-edge Data & AI-driven solutions in a fast-growing industry
• Smart, collaborative team — small, agile, and outcome-focused
• Career growth — opportunity to influence product decisions and tech direction
• Flexible working hours
• Full financial and legal support for private entrepreneurs

Hiring Process:

1. Tech Screening (30 mins)
2. Live Coding Session (45–60 mins)
3. Offer Call (15 mins)

Interested in shaping the future of AI-driven finance?
📩 Apply now and let’s build something amazing together!

We are looking for a Senior Java Developer passionate about building AI-powered backend applications. If you have hands-on experience with large language model (LLM) integrations—especially using LangChain4j—and are excited to work on cutting-edge AI tools, we’d love to meet you.
 

What You’ll Do

• Integrate leading LLMs (Claude by Anthropic, OpenAI, Mistral) into backend products.
• Design and optimize API architecture with strong focus on performance, scalability, and prompt engineering.
• Build chains and prompts using LangChain4j components like PromptTemplate and ChainBuilder.
• Ensure compliance with safety and efficiency best practices in prompt design (few-shot, zero-shot, tool calling).
• Collaborate with AI product teams to build robust and modular backend infrastructure.
   

Tech Stack

• Languages & Frameworks: Java 11–17, Spring Boot, REST APIs
• AI Tools: LangChain4j, Claude, OpenAI, Mistral
• Cloud: AWS (Lambda, SNS, SQS, VPC, Secrets Manager)
• Prompt Engineering: Few-shot, zero-shot learning, tool calling, safety measures
• Nice to Have: Kotlin, Kubernetes, Redis, vector DBs (Pinecone, pgvector)
   

Requirements

• 5+ years of experience in Java development in production environments
• 1+ year of hands-on experience integrating LLMs (LangChain or custom solutions)
• Solid knowledge of prompt engineering principles
• Proficient with AWS cloud infrastructure
• English level: B2 or higher (written and spoken)
• Bonus: Experience with AI agents, copilots, or chatbot development