IoT Developer
Infosys
Job details
Work Location
Sofia
State / Region / Province
Sofia
Country
Bulgaria
Domain
Delivery
Interest Group
Infosys Limited
Company
ITL Bulgaria
Requisition ID
141619BR
Job description
Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you.
At Infosys, we assure that your career will never stand still, we will inspire you to build what’s next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people.
Your role
We’re seeking a client‑facing Senior Associate Consultant – IoT Developer to build and operate secure, scalable IoT solutions end‑to‑end. You’ll design device‑to‑cloud data flows, implement MQTT messaging, develop services with Python/JavaScript, integrate AWS IoT and AWS Lambda, and own production reliability via Incident & Problem Management, analytics, and deep debugging. If you love turning device telemetry with AI-driven logics into business outcomes and automating everything, this role is for you.
Must Have:
IoT Engineering (End‑to‑End Delivery)
- 4–6 years of professional experience, including 2+ years in IoT development with hands‑on coding and end‑to‑end development.
- Design and implement device‑to‑cloud and cloud‑to‑device patterns using MQTT (topics, wildcards, QoS 0/1, retained messages, LWT).
- Build device and gateway applications in Python and/or Node.js (JavaScript/TypeScript) using SDKs (paho‑mqtt/AWS IoT Device SDK).
- Implement robust connectivity (backoff, jitter, session persistence), payload schemas (JSON/CBOR), and edge buffering/offline sync.
- Create simulators/emulators for load, negative testing, and peak readiness.
- Collaborate with firmware, cloud, data, Connectivity Media (like MQTT, HTTP, Wi-Fi and Bluetooth) and security teams to ensure reliable releases and platform stability.
- Experience embedding AI logic into IoT workflows (e.g., anomaly detection, predictive maintenance, optimization)
AWS IoT & Serverless Integration
- Configure AWS IoT Core (certs & policies, thing registry, Device Shadow, Rules Engine), IoT Device Management (fleet indexing, OTA with IoT Jobs), and Greengrass where applicable.
- Basic understanding of containerization [Docker] and serverless architecture.
- Build serverless backends with AWS Lambda, API Gateway, Step Functions, DynamoDB/Timestream, Kinesis/Firehose, S3, and OpenSearch/Elasticsearch.
- Implement observability with CloudWatch metrics/logs, X‑Ray tracing; secure workloads via IAM, KMS, Secrets Manager.
- Use Infrastructure as Code (CDK/CloudFormation/Terraform) and CI/CD (GitHub Actions/CodePipeline/Jenkins) for repeatable releases.
Nice to Have:
- 4+ years of Experience in IoT Development with building and shipping native IoT firmware apps at scale.
- Edge computing with Greengrass components, containers, and local ML inference.
- Experience with device telemetry, sensor integration and Industrial Protocols (Modbus, OPC-UA)
- Stream processing (Kinesis Analytics/Flink), Kafka/MSK, or time‑series optimization.
- Experience with Azure IoT Hub, Google Cloud IoT, or hybrid cloud setups
- Protocol breadth: HTTP(S), WebSockets, CoAP, BLE; gateways (Raspberry Pi/industrial PCs).
- Security depth: PKI lifecycle, secure boot/TPM/HSM, OTA signing, device attestation.
- Data visualization & analytics (QuickSight, Grafana, Power BI) and alerting; scripting for ops (Bash/PowerShell).
- Knowledge of Source Control (GIT), Sniffers (Charles) and project Management tools (Jira/Confluence/TFS).
- Understanding of IoT security, encryption, and secure device onboarding.
Personal
Besides the professional qualifications of the candidates, we place great importance in addition to various forms personality profile. These include:
- High analytical skills
- A high degree of initiative and flexibility
- High customer orientation
- High quality awareness
- Excellent verbal and written communication skills
About Infosys
Infosys is a global leader in next-generation digital services and consulting. We enable clients in 46 countries to navigate their digital transformation. With over three decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through the many next of their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise and ideas from our innovation ecosystem.
Visit www.infosys.com to see how Infosys can help your enterprise navigate your next.
All aspects of employment at Infosys are based on merit, competence and performance. We are committed to embracing diversity and creating an inclusive environment for all employees. Infosys is proud to be an equal opportunity employer