



Solinas Integrity (www.solinas.in) is a leading water & sanitation robotics start-up founded by IIT Madras Alumni & professors to develop cutting edge solutions to solve the problems in water pipelines and sewer lines\septic tanks, thereby improving the lives of millions of people. Our core values start with trust, and respect for everyone and along with strong collaboration and communication. We believe in giving agency to our teammates and strongly pushing them towards developing a growth mindset.
Duties and Responsibilities:
- To develop and improve signal processing algorithms for analysis of acoustic signals with up-to-date knowledge on processing methods.
- Understand key acoustic algorithm functions, develop efficient code, verify performance and functionality.
- Exposure to all phases of software development life cycle (concept, design, implementation, test, and production).
- Propose innovations to improve performance, quality, etc.
- Work with peers to develop excellent, structured code, well-optimized and easily maintainable.
Basic Qualifications:
● Experience programming in either Python, C++, or MATLAB
● MS/PhD degree in Electrical/Electronics Engineering/ Signal processing
● At least 1 year of signal processing or related area
● Good analytical and problem-solving skills
● Good knowledge of signal processing techniques, basic knowledge of ML algorithms and good visualisation skills.

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We are seeking a highly skilled Qt/QML Engineer to design and develop advanced GUIs for aerospace applications. The role requires working closely with system architects, avionics software engineers, and mission systems experts to create reliable, intuitive, and real-time UI for mission-critical systems such as UAV ground control stations, and cockpit displays.
Key Responsibilities
- Design, develop, and maintain high-performance UI applications using Qt/QML (Qt Quick, QML, C++).
- Translate system requirements into responsive, interactive, and user-friendly interfaces.
- Integrate UI components with real-time data streams from avionics systems, UAVs, or mission control software.
- Collaborate with aerospace engineers to ensure compliance with DO-178C, or MIL-STD guidelines where applicable.
- Optimise application performance for low-latency visualisation in mission-critical environments.
- Implement data visualisation (raster and vector maps, telemetry, flight parameters, mission planning overlays).
- Write clean, testable, and maintainable code while adhering to aerospace software standards.
- Work with cross-functional teams (system engineers, hardware engineers, test teams) to validate UI against operational requirements.
- Support debugging, simulation, and testing activities, including hardware-in-the-loop (HIL) setups.
Required Qualifications
- Bachelor’s / Master’s degree in Computer Science, Software Engineering, or related field.
- 1-3 years of experience in developing Qt/QML-based applications (Qt Quick, QML, Qt Widgets).
- Strong proficiency in C++ (11/14/17) and object-oriented programming.
- Experience integrating UI with real-time data sources (TCP/IP, UDP, serial, CAN, DDS, etc.).
- Knowledge of multithreading, performance optimisation, and memory management.
- Familiarity with aerospace/automotive domain software practices or mission-critical systems.
- Good understanding of UX principles for operator consoles and mission planning systems.
- Strong problem-solving, debugging, and communication skills.
Desirable Skills
- Experience with GIS/Mapping libraries (OpenSceneGraph, Cesium, Marble, etc.).
- Knowledge of OpenGL, Vulkan, or 3D visualisation frameworks.
- Exposure to DO-178C or aerospace software compliance.
- Familiarity with UAV ground control software (QGroundControl, Mission Planner, etc.) or similar mission systems.
- Experience with Linux and cross-platform development (Windows/Linux).
- Scripting knowledge in Python for tooling and automation.
- Background in defence, aerospace, automotive or embedded systems domain.
What We Offer
- Opportunity to work on cutting-edge aerospace and defence technologies.
- Collaborative and innovation-driven work culture.
- Exposure to real-world avionics and mission systems.
- Growth opportunities in autonomy, AI/ML for aerospace, and avionics UI systems.

Request for Proposal (RFP): AI Receptionist for Helvetica Incoming Broker Calls
Company Overview
Helvetica Group is a direct commercial real estate lender and investment bank, specializing in providing alternative financing solutions for complex real estate transactions. We focus on fast, innovative, and common-sense underwriting to serve brokers, investors, and borrowers nationwide.
Website: helveticagroup.com
Project Overview
We are seeking an experienced AI Engineer to design and implement an AI Receptionist using Retell AI and Make (formerly Integromat). This AI Receptionist will handle incoming broker calls, collect loan request details, integrate with Salesforce, and automate follow-up communications.
Scope of Work
The solution should:
- Receive Incoming Calls
- Integrate with our phone system and Retell AI to answer broker calls professionally.
- Detect caller intent and initiate a structured loan intake conversation.
- Prompt Loan Request Details
- Use natural language conversation to gather key loan scenario data:
- Borrower and broker information
- Property type, location, value
- Loan amount requested, purpose, and timeline
- Any special circumstances (e.g., foreclosure bailout, BK buyout, etc.)
- Data Handling & Automation
- Send collected call details to Salesforce as a new Lead.
- Email a summary of the loan request to our broker group.
- Send an automated confirmation email to the caller.
- Send an SMS confirmation text to the caller with a thank-you and next steps.
- Integration Requirements
- Use Retell AI for call handling and voice interactions.
- Use Make for workflow automation (Salesforce, email, SMS).
- Ensure all data flows securely and complies with applicable regulations.
Deliverables
- Fully functional AI Receptionist integrated with our systems
- Retell AI call flow design and scripts tailored to Helvetica's lending guidelines
- Make (Integromat) scenarios for:
- Salesforce lead creation
- Email notifications (internal and external)
- SMS confirmation to caller
- Documentation for setup, maintenance, and future scaling
- Optional: Dashboard for call analytics and performance monitoring
Skills Required
- Experience with Retell AI (or similar conversational AI voice platforms)
- Expertise in Make (Integromat) or similar workflow automation tools
- Strong knowledge of Salesforce API integrations
- Experience with Twilio or other SMS/email APIs is a plus
- Understanding of secure data handling and compliance (preferred)
Proposal Requirements
Please include in your proposal:
- Relevant experience with Retell AI, Make, and Salesforce integrations
- Portfolio of similar AI automation projects (voice + CRM)
- Estimated timeline for project completion
- Proposed budget and pricing structure
- Any additional recommendations to enhance this solution
Timeline
- Proposal Submission Deadline: [Insert Date]
- Project Kickoff: [Insert Date]
- Expected Completion: Within 4-6 weeks from kickoff
Budget
We are open to proposals with fixed price or hourly rates. Please provide a clear breakdown of your pricing.
How to Apply
Submit your proposal directly through Upwork, including all requested details.
Would you also like me to include:
- Sample call flow conversation script (to attract engineers who understand the flow)?
- Technical architecture diagram (for clarity on integrations)?
- I can draft both to include in your posting. Shall I proceed?

We are searching for a talented embedded developer to join our team. You will be working along-side with other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
The candidate should be proficient in C and C++ and possess detailed knowledge of microcontroller protocols. The candidate would be responsible for,
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Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
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Design, develop, code, test and debug system software
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Review code and design
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Analyze and enhance efficiency, stability and scalability of system resources
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Integrate and validate new product designs
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Support software QA and optimize I/O performance
Mandatory Skills:
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Experience in C++ based applications development for embedded system applications
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Solid understanding of OOPs, SOLID Principles, Design Patterns.
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Drivers/BSP development on peripherals like ADC, SPI, I2C, UART etc
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Firmware development experience on ARM Series of microcontrollers
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Strong knowledge of hardware architecture such as ARM, MIPS, and x86.
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Familiarity with hardware protocols including USB, UART, I2C, and SPI.
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Familiarity with OS platforms such as Linux, Unix, and RTOS.
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Knowledge on different communication protocol like Wi-Fi, Zigbee, Bluetooth and sub–GHz.
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Basic Hardware knowledge and debugging skills
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Strong analytical and problem-solving abilities.
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Strong organizational and project management skills.
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Strong knowledge of SDLC, test cycle and logical thinking on various complex use case call scenarios.
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The ability to keep abreast with the latest advancements in technology and techniques.
Desired Skills:
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Knowledge on IoT based systems
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Preferably worked on a Linux based project.
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Ability to lead the team & handle the project and own all technical aspects of design and development of systems from scratch.
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Meticulous and very organized.
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You will not hesitate to ask questions and call upon the knowledge of your coworkers to make sure you produce the best possible documentation for our customers.
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Worked on 3-5 project from starting of project to delivery of project (Depending on experience)


Position Overview:
This position is part of highly skilled fimrware team that do software board bring up of bare silicon for next generation products. In order to write system software for embedded electronic products, this position requires academic background in electronics engineering to understand hardware concepts such as digital logic, schematics, and microprocessor communications to develop effective embedded software.
Candidate should have complete knowledge of Software development cycle from architecture definition to the implementation.
Responsibilities:
- Must wear multiple hats from analyzing field and factory reported issues to software integration.
- Be a liason for troubleshooting and debugging complex systems and identifying the root cause.
- Develop detailed design documents and customer facing application notes for the system and IOT features for Mobile routers.
- Act as a product lead and be part of bigger team in software bring up.
- Ability to work on Low level software such as bootloaders and understanding of low level functional blocks is a must.
- Work on Linux kernel and configuration.
- Write or port device drivers for Ethernet, USB, GPIO, LED, Bluetooth, Accelormeter, LCD and touch screen.
- Debug stability issues in data routing between WAN and LAN interfaces.
- Work with Software QA with test plan and execution.
- Work with Hardware team to identify and root cause stability problems.
Experience/Requirements:
- Demonstrable knowledge of C, C++, Assembly programming skills
- Overall 10+ years of experience in embedded environment preferabily Linux.
- Board bring up proficiency with bootloaders and other low level software, must be very good with debugging techniques.
- Experience in TCP/IP networking is must for trouble shooting throughput and other traffic issues.
- Driver experience with I2C, SPI, UART, LCD, Ethernet, PCIe is a plus.
- Experience with low level debugging using JTAG.
- Experience with Makefiles, and build environments such as PTXDIST, Yocto and Buildroot.
- Experience with version control such as git and svn.
- Good communication skills and team player.
- Ability to work independently and autonomously to meet deadlines, in a fast-changing environment.
Education:
Bachelor in Electronic and Communication or related degree



ROLES AND RESPONSIBILITIES:
• Articulate complex problems, communicate viable architecture and design approach in a clear and concise manner.
• Thrive in a collaborative team environment and work with ambiguous product requirements.
• Evaluate opensource technologies, development stack and strive for new learning, continued growth by applying industry best practices and processes.
• Provide thought leadership in cloud based VoIP(Voice/WebRTC) services and bring your passion for technology to motivate and inspire on a day to day basis.
SKILLS REQUIRED
• 4+ years experience in building highly available, fault tolerant and scalable real-time communications(Voice and WebRTC) systems in the cloud (AWS preferred).
• Demonstrated history of building complex, high-performance applications in C/C++.
• Proven expertise in network and system performance optimizations(including kernel, containers and virtualization technologies).
• Proficiency in telecom protocols (SIP, SDP and RTP/RTCP) and internet protocols(IPv4/IPv6, TCP and UDP) is desirable.
• Deep understanding of all aspects of WebRTC from audio codecs, to networking (ICE, STUN, TURN) up to server side components needed to deploy the technology at scale (SFU, MCU, Relays) and network security(TLS, SRTP).Strong analytical, problem solving and troubleshooting skills.
• Programming experience with Python, Golang and Lua will be a plus.
• Prior experience working with Asterisk, FreeSWITCH, RTPEngine, Kamailio, or OpenSIPs will be a plus.




