Senior C/C++ AOSP Engineer

🏢 Summary: Full-time Senior .NET Developer role focused equally on maintaining legacy .NET Framework 4.8 backend systems and delivering AI/ML-powered product features. The position involves integrating AI APIs, owning services throughout their lifecycle, and collaborating asynchronously with a global team during 15:00–18:00 CET overlap hours. Flexible hybrid work is available, with occasional visits to the Gdańsk office. 🗂️ Requirements: 5+ years of professional .NET/C# experience, Experience with .NET Framework 4.8 production systems, Software architecture knowledge, Microservices and REST API knowledge, Async programming experience, AI/ML model or API integration experience, Cloud platform experience, Written communication and asynchronous collaboration skills, Availability for 15:00–18:00 CET US meeting overlap, Independent end-to-end problem ownership 📃 Skills: .NET, C#, Azure, Microservices, REST, AI, ML 🏢 Description: Svitla Systems Inc. is looking for a Senior .NET Developer (AI/ML Integration) for a full-time position (40 hours per week) in Poland. Our client is an AI-driven SaaS company delivering a unified platform for retailers. We're looking for a Senior .NET Developer who combines strong backend engineering skills with hands-on experience building AI/ML-powered features. You'll split your time evenly between core .NET development — including maintaining and evolving our legacy systems — and integrating AI capabilities into our products. AI isn't a "nice to have" here; it's a core part of the job. This role works across a globally distributed team spanning India and both US coasts, so comfort with asynchronous collaboration and overlapping across time zones is important. The role offers a flexible hybrid format, with occasional visits to our Gdańsk office approximately 1–2 times per month. Requirements: 5+ years of professional experience with .NET / C#, including working with .NET Framework 4.8 in legacy production systems. Solid understanding of software architecture (microservices, REST APIs, async patterns, etc.). Experience integrating AI/ML models or APIs into applications. Comfortable working across legacy (.NET Framework). Experience with cloud platforms (Azure preferred, given the .NET stack). Strong written communication and async collaboration skills, given the distributed, multi-time-zone team, working evening hours to accommodate meetings with the US: 15-18CET. Comfortable working independently and owning problems end-to-end. Nice to have: Python, for ML/data workflows alongside .NET. Node.js / React, for full-stack or frontend collaboration. Docker / Kubernetes, for containerization and deployment. Strong grasp of SOLID principles and clean architecture practices. Experience with TDD (Test-Driven Development). Familiarity with prompt engineering. Experience modernizing legacy .NET Framework apps (e.g., migration paths to .NET Core). Understanding of CI/CD pipelines. Responsibilities: Design, build, and maintain backend services using .NET Framework 4.8 (legacy). Architect and implement AI/ML-powered features (LLM integrations, RAG pipelines, recommendation systems, or similar). Integrate with AI APIs and platforms (e.g., OpenAI, Anthropic, Azure AI, or similar). Support existing .NET Framework 4.8 legacy applications. Own technical decisions across the full lifecycle: design, development, testing, deployment, monitoring. Collaborate with product and data teams to translate designs into real user-facing features. Coordinate effectively with teammates across India, East Coast, and West Coast time zones. Mentor other engineers and contribute to technical direction. We offer: US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in the workspace, either remote or in our welcoming office. Comprehensive medical insurance after one month. MultiSport card with access to 2500 sports facilities all over Poland Bonuses for recommendations of new employees. Bonuses for article writing, public talks, and other activities. 15 vacation days, 10 national holidays, 10 sick leaves, and family days off. Personalized learning program tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Welcome and anniversary presents, gifts for children, and more. Regular corporate events and meetups. Awesome team, friendly and supportive community! Ref # 5299

🏢 Summary: Remote C++ Software Engineer role for candidates located in Poland, focused on building and maintaining scalable, large-scale software systems for global customers. The position involves backend and distributed-environment development, feature delivery, architecture contributions, and code-quality practices within an international team. Offered on a B2B contract with healthcare, Multisport, e-learning access, and group life insurance. 🗂️ Requirements: Located in Poland, Minimum 3 years of commercial C++ development experience, Strong software engineering and object-oriented programming knowledge, Experience with complex backend systems or large-scale applications, Ability to troubleshoot distributed environments, Professional English proficiency, Ability to collaborate in an international team 📃 Skills: C++, OOP, Backend, DistributedSystems, Testing, CodeReview 🏢 Description: Location: Remote 100% - candidates must be located in Poland Start: ASAP / 30 days C++ Software Engineer We are looking for a skilled C++ Software Engineer to join an international team working on the development of advanced, large-scale software solutions used by customers worldwide. If you enjoy solving complex engineering challenges, working with scalable systems, and building impactful products, this opportunity could be a great fit for you. Responsibilities: Design, develop, and maintain high-quality software solutions in C++. Contribute to the architecture and implementation of systems used by real-world customers. Work with large-scale technical infrastructure and distributed environments. Develop new features and enhance existing functionalities. Collaborate with cross-functional teams to deliver reliable and scalable solutions. Ensure code quality through testing, code reviews, and best engineering practices. Requirements: Minimum 3 years of commercial experience with C++ development. Strong understanding of software engineering principles and object-oriented programming. Experience working on complex backend systems or large-scale applications. Ability to troubleshoot and solve technical challenges in distributed environments. Good communication skills and ability to work in an international team. English proficiency enabling effective collaboration in a professional environment. Our Offer B2B contract via Experis Medicover healthcare Multisport card Access to e-learning platforms Group life insurance

🏢 Summary: Full-time Senior Java Engineer role supporting a large-scale digital marketing platform’s core backend, messaging, queues, and REST APIs. The position follows EST hours and includes a 24/7 on-call rotation every three weeks, including weekends. 🗂️ Requirements: 6+ years of commercial Java engineering experience, 6+ years developing large-scale applications, Experience with distributed systems, Experience with multithreading, Expert SQL knowledge, Strong Kubernetes experience, Knowledge of Cassandra, Knowledge of AWS SQS, S3, CloudFormation, and Lambda, Knowledge of Jenkins, Experience with OTEL and Grafana, Familiarity with AI agents, Upper-intermediate English or higher, Availability for EST working hours, Participation in 24/7 on-call rotation, including weekends 📃 Skills: Java, SQL, Kubernetes, Cassandra, AWS, SQS, S3, CloudFormation, Lambda, Jenkins, OTEL, Grafana, AI 🏢 Description: The Opportunity Svitla Systems Inc. is looking for a Senior Java Engineer for a full-time position (40 hours per week) in Europe. Our client is a digital marketing company that offers email marketing, social media marketing, event marketing, and online survey tools to help organizations expand their businesses by fostering stronger customer relationships. General info on the Big Delivery Team: handles all back-end systems, message processing, queuing, REST API apps, and messaging apps. Sometimes the whole team can handle incidents in the prod environment, and developer engagement will be needed. On-call rotation: once every 3 weeks; availability outside US business hours; 24/7 on-call, so weekends are also covered. Working hours: EST working hours (from 9 am EST). Requirements: 6+ years of commercial experience in developing large-scale applications. Proven experience in distributed systems and multi-threading. 6+years of commercial experience as a Java Engineer with successful project implementations. Expert knowledge of SQL. Strong experience with Kubernetes. Knowledge of Cassandra. Strong understanding of the following AWS services: SQS, S3, CloudFormation, Lambda. Knowledge of  Jenkins. Experience with observability tools such as OTEL and Grafana. Familiarity with AI; understanding of how to run and work with agents. Upper-intermediate English or higher. Nice to have: Some experience with DevOps and/or SRE, since they're expected to do a bit of everything here. Domain knowledge of email, SMS, push, etc. Experience with Quarkus and Ruby. Knowledge of RabbitMQ and ZooKeeper. Knowledge of AWS EKS and CloudWatch. Experience with CI/CD: Argo. Experience with HyperDX. Familiarity with JUnit, RSpec. Familiarity with JavaScript. Familiarity with DynamoDB. Responsibilities: Perform the development of the core back-end platform that supports multiple apps in the customer’s ecosystem. Participate in on-call rotations to ensure stable infrastructure support. Provide development of RESTful APIs. Be actively involved in team meetings and product discussions.