--- title: 'Senior Java/AI Developer, JR604 at Eleks' canonical: 'https://feeny.ai/job/senior-java-ai-developer-jr604-eleks-argentina-0r5ppdvebkyx' type: 'job' last_seen: '2026-09-07' --- # Senior Java/AI Developer, JR604 at Eleks - **Company:** Eleks - **Location:** Argentina - **Work type:** remote - **Posted:** 2026-07-22 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.lever.co/eleks/5fed059f-55da-4b62-ac88-a2b65c1c1f28 ## Job description ELEKS Software Engineering & Development Office is looking for a Senior Java/AI Developer based in Buenos Aires for a hybrid position: 2–3 days per week onsite at our local office, with the remaining days remote. Working hours: 10:00 AM – 6:00/7:00 PM ART ## ABOUT PROJECT The client is among the top-5 health insurance companies in the US. They are dedicated to expanding access to high-quality, cost-effective health care and equipping their members with information and tools so they can make the best health care decisions for themselves and their families. ## REQUIREMENTS - 5+ years of professional experience in Java and/or Python - Hands-on experience working with LLMs (integration, evaluation, or architecture) - Practical experience with prompt engineering - Understanding of API design and backend service development ## Nice to Have - Experience with RAG (Retrieval-Augmented Generation) architectures - ## Experience with vector databases and embeddings - Cloud AI services experience (Azure OpenAI, AWS Bedrock, etc.) - MLOps or LLMOps exposure ## RESPONSIBILITIES - Design and build AI-powered features and services using LLMs - Develop and maintain backend components in Java and/or Python - Implement prompt engineering strategies and evaluate model outputs - Collaborate with product and engineering teams to integrate AI capabilities into existing applications - Stay current with emerging LLM tooling, frameworks, and best practices - Participate in Agile/Scrum delivery practices ## About Eleks ## Company Overview - **One-liner**: ELEKS is a global custom software development and technology consulting company that designs and delivers full-cycle enterprise solutions, with a strong focus on AI, data analytics, and intelligent automation. - **Entity Type**: Private (Bootstrapped) - **Headquarters**: Lviv, Ukraine (with offices and delivery centres in 15 countries including Poland, Argentina, Croatia, the USA, and the UK) - **Founded**: 1991 (the company states it has been on the market for 30+ years [eleks.com](https://eleks.com/)) - **Founders**: Not publicly available ## Core Business - **Primary industries**: Software development services, technology consulting, AI/ML solutions, data engineering, and digital transformation. - **Target customers**: B2B, enterprise clients (including Fortune 500 companies), and mid-market firms across fintech, energy, healthcare, insurance, and other regulated sectors. - **Mission**: “To empower best talent’s continuous development for partner’s success through software innovation” [careers.eleks.com/about/](https://careers.eleks.com/about/) ## Products & Services ELEKS offers a broad portfolio of services rather than standalone products. Key service areas include: - **Custom Software Development**: End-to-end design, development, and deployment of bespoke enterprise applications. - **Artificial Intelligence & Machine Learning**: Generative AI, MLOps, conversational AI, computer vision, and predictive analytics. - **Data & Analytics**: Data strategy, data engineering, business intelligence, and intelligent automation. - **Cloud & DevOps**: Cloud migration, infrastructure management, and MLOps/LLMOps architectures. - **UX/UI Design**: User experience research and interface design. - **SAP & Enterprise Systems**: Implementation and integration of SAP solutions. - **Quality Assurance & Testing**: Automated and manual testing services. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company). - **Key Metric**: 1,000+ projects delivered and 120+ active clients, including Fortune 500 companies [eleks.com](https://eleks.com/). - **Notable Investors/Partners**: No external investors (bootstrapped). Partners include major technology providers (specific names not disclosed on the website). - **Growth Signals**: - 20 offices and delivery centres across 15 countries. - 30+ years of continuous operation. - Expanding AI and data service lines (e.g., MLOps/LLMOps, Generative AI). - 75% of senior managers have been promoted from within [careers.eleks.com](https://careers.eleks.com/). ## Competitive Advantages - **Longevity & Stability**: Operating for over three decades with a consistent track record. - **Global Delivery Model**: Ability to serve clients across time zones with offices in Europe, North America, and South America. - **Deep Technical Expertise**: Specialised centres of excellence in AI, ML, data, and cloud; claims to hire from the “top 1% of engineering talent” [eleks.com/about-eleks/](https://eleks.com/about-eleks/). - **Strong Internal Culture**: High internal promotion rate (75% of senior leaders are home-grown) and investment in continuous learning (thousands of training hours annually). ## Strategic Focus - Accelerating AI adoption for enterprise clients, particularly in regulated industries (fintech, healthcare, insurance). - Building reusable AI platforms and frameworks (e.g., Digital Twin/Knowledge Graph, LLMOps). - Expanding nearshore delivery capabilities, especially in Latin America and Central/Eastern Europe. - Strengthening partnerships with hyperscalers and major enterprise software vendors. ## Why Work Here - **Culture**: Emphasises “care culture” and professional development. Named “Friendly Workplace 2022” and recipient of “Employer Branding Stars Award 2023” [careers.eleks.com/about/](https://careers.eleks.com/about/). - **Remote/Hybrid Policy**: Offers remote positions across Europe, Canada, and the US, as well as in-office roles in multiple countries. Hybrid options are common. - **Learning & Growth**: Corporate trainers delivered thousands of hours of training in 2023; Centres of Excellence provide mentorship and best practices. - **Diversity**: 34% of specialists are women; age range from 18 to 86 years old. - **CSR**: Active corporate social responsibility initiatives (specific programs not detailed on the careers page). - **Engineering Culture**: Heavy investment in AI, ML, and data engineering; opportunity to work on complex, enterprise-scale projects for global brands. ## Sources 1. [ELEKS Official Website](https://eleks.com/) 2. [ELEKS Careers – Find the Right Career Path](https://careers.eleks.com/) 3. [ELEKS About Page](https://eleks.com/about-eleks/) 4. [ELEKS Careers About Page](https://careers.eleks.com/about/) 5. [ELEKS Open Positions on Lever](https://jobs.lever.co/eleks) ## Other roles at Eleks - [Senior General Test Engineer (AI-First, TypeScript/Playwright), JR732](https://feeny.ai/job/senior-general-test-engineer-ai-first-typescript-playwright-jr732-eleks-hz405h3gxb46) — Argentina - [Solution Business Analyst for NA1, JR727](https://feeny.ai/job/solution-business-analyst-for-na1-jr727-eleks-united-states-2wjmkqmt7jd0) — United States - [Middle Software (Java) Developer (automotive manufacturer), JR685, JR720](https://feeny.ai/job/middle-software-java-developer-automotive-manufacturer-jr685-jr720-eleks-72vfz9v7de5g) — Argentina - [Banking, Senior Full-Stack (.NET+Angular) Engineer, JR684](https://feeny.ai/job/banking-senior-full-stack-net-angular-engineer-jr684-eleks-ukraine-faxmrym1wz1a) — Ukraine - [Project Coordinator (biopharmaceuticals), JR676](https://feeny.ai/job/project-coordinator-biopharmaceuticals-jr676-eleks-ukraine-7fahsyzf9n60) — Ukraine - [Senior ServiceNow Developer/Consultant, JR670](https://feeny.ai/job/senior-servicenow-developer-consultant-jr670-eleks-argentina-ntbmndt6p7px) — Argentina - [HRMS, Solution Business Analyst, JR667](https://feeny.ai/job/hrms-solution-business-analyst-jr667-eleks-ukraine-19k2yvgqk3w7) — Ukraine - [JR666 Digital Product Delivery Service Lead](https://feeny.ai/job/jr666-digital-product-delivery-service-lead-eleks-poland-v0tnn4xvnzys) — Poland - [Associate Customer Engagement Manager, JR657](https://feeny.ai/job/associate-customer-engagement-manager-jr657-eleks-ukraine-tjrnmjvpsyj6) — Ukraine - [Elevance Health, Middle .NET Engineer, JR 640](https://feeny.ai/job/elevance-health-middle-net-engineer-jr-640-eleks-krakow-t4pca9qwr64h) — Krakow