5G/LTE Developer

Position – SRE Engineer

Location – Navi Mumbai

Who are we

Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics-based diagnostic solution for Tuberculosis was recognized as one of the top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.

About the Role:

We are seeking a highly skilled Site Reliability Engineer (SRE) to join our infrastructure team. The ideal candidate will bring deep expertise in Linux systems, cloud infrastructure automation, and network administration, with a strong focus on reliability, scalability, and performance. ensuring firewall/network security compliance.

Key Responsibilities:

• Develop and maintain automation scripts (Bash, Python, etc.) for system and cloud infrastructure operations.
• Manage, monitor, and troubleshoot Linux servers in production environments
• Familiarity with Network tools in Linus to triage network connectivity and performance issues .
• Configure, maintain, and secure network infrastructure including switches, routers, and firewalls.
• Design and execute Network Continuity Plans (NCP) and disaster recovery strategies.
• Collaborate with cross functional team for triaging and resolving site specific issues in production related to server deployment , SOP adherence , Triage and defect resolution
• Collaborate with developers and DevOps teams to define SLAs, SLOs, and error budgets.
• Implement proactive monitoring and alerting using modern observability tools.
• Participate in on-call rotations and incident response processes.
• 
  

Objectives of this Role:

• Build, automate, and manage scalable infrastructure and deployment pipelines to support development and production environments.
• Enable rapid, secure, and reliable software delivery across engineering teams.
• Ensure system availability, performance, and security in cloud and containerized environments.
• Implement and enforce best practices in CI/CD, observability, and incident response.
• Collaborate with cross-functional teams including software developers, QA, and product managers.
• Proactively identify and automate manual processes to improve engineering efficiency.
• 3–7 years of experience as an SRE, DevOps, or Systems/Network Engineer.
• Strong scripting skills (e.g., Bash, Python, or Go).
• Proficiency in Linux administration and performance tuning.
• Deep understanding of TCP/IP, routing, DNS, firewalls, and networking protocols.
• Hands-on experience managing network infrastructure and firewall rules (e.g., iptables, pfSense, Palo Alto, etc.).
• Docker (multi-stage builds, docker-compose)

Soft Skills

• Proactive problem-solving and ownership mindset
• Strong documentation and communication skills
• Ability to mentor junior engineers
• Curiosity to learn and experiment with emerging DevOps tools

Preferred Qualifications:

• Certifications such as CKA/CKAD, RHCE, AWS Certified SysOps Administrator, or Cisco CCNA/CCNP.
• Experience with service meshes (e.g., Istio), observability stacks (e.g., Prometheus, Grafana), or network policy management (e.g., Calico, Cilium).
• Exposure to secure DevOps practices and compliance standards (e.g., ISO, NIST).

To know more about us – https://haystackanalytics.in

Technical Lead (Embedded Software - Linux)

Job Responsibilities:

Lead a team of software/Linux development engineers working on microcontroller firmware development, Linux platform drivers and IOT solutions. Should be able to guide team members, resolve technical roadblocks and deliver project commitments. Will be the go-to person and first-level escalation point for all technical issues faced by the team. Looking for someone with 6+ years in the embedded industry and a passion to build a core team in a growing company. Team size will vary from 6 to 12 people, mainly firmware and Linux engineers.

The selected candidate for this role will be reporting to the software director/manager in the organization.

• Work with firmware and application architects to create a project execution plan
• Review project proposals for execution scope & timelines
• Lead embedded software development activities by the team
• Work with QA teams to resolve bugs and ensure release readiness
• Work with h/w design and PM teams to ensure smooth execution and timely delivery of projects

The main responsibilities of this role are:

Technical:

• Strong programming skills (C, C++, assembly)
• Linux development experience (porting & platform drivers)
• Expert-level knowledge of embedded microcontroller & microprocessor-based systems
• Prior experience in delivering critical modules for microcontroller projects
• Good understanding of commonly used embedded communication protocols
• Good understanding of common embedded peripherals, interfaces & sensors
• Experience working on Real-Time systems (RTOS)
• Should be able to quickly learn new technologies and enable the team on the same
• Should be able to work with minimal technical guidance

Leadership:

• This role requires excellent communication skills
• Strong analytical & problem-solving skills
• Should be able to lead junior engineers by providing technical mentoring
• Owns task division, task allocation and tracking within the team
• Require multi-tasking and time management skills
• Prior experience working with overseas clients
• Periodically report progress to management

Other desirable skills:

Knowledge of Python

We are looking networking professionals with the following skill set,

Experience :6+ years of experience in the networking domain

Key skills:

• Must have 6+ years of experience in C/C++ programming language.
• Knowledge of Go programming language and Python programming language is a big plus.
• Strong background in L4-L7 Internet Protocols TCP, HTTP, HTTP2, GRPC and HTTPS/SSL/TLS.
• Background in Internet security related products such as Web Application Firewalls, API Security Gateways, Reverse Proxies and Forward Proxies
• Proven knowledge of Linux kernel internals (process scheduler, memory management, etc.)
• Experience with eBPF is a plus.
• Hands-on experience in cloud architectures (SaaS, PaaS, IaaS, distributed systems) with continuous delivery
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with server less technologies such as AWS Lambda.
• Exposure to machine learning technologies and distributed systems is a plus

Talented C++ Developer who has experience in design, development, debugging of multi-threaded large scale application with good understanding in data structures on Linux packaging, functional testing and deployment automation very good with problem solving.

Key responsibilities :

1. Understand fundamental design principles and best practices for developing backend servers and web applications
2. Gather requirements, scope functionality, estimate and translate those requirements into solutions
3. Implement and integrate software features as per requirements
4. Deliver across the entire app life cycle
5. Work in a product creation project and/or technology project with implementation or integration responsibilities
6. Improve an existing code base, if required, and ability to read source code to understand data flow and origin
7. Design effective data storage for the task at hand and know how to optimize query performance along the way
8. Follow an agile methodology of development and delivery
9. Strictly adhere to coding standards and internal practices; must be able to conduct review code
10. Mentor and possibly lead junior developers
11. Contribute towards innovation
12. Performance optimization of apps
13. Explain technologies and solutions to technical and non-technical stakeholders
14. Diagnose bugs and other issues in products
15. Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

1. 5-7years' experience with C++ development and relevant 3+yrs in modern version 11/14/17 would be a plus. 
2. Design and implementation of high-availability, and performance applications on Linux environment
3. Advanced knowledge of C/C++, Object Oriented Design, STL
4. Good with multithreading and data structures
5. Develop back-end components to improve responsiveness and overall performance
6. Familiarity with database design, integration with applications and python packaging.
7. Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations
8. Familiarity with functional testing and deployment automation frameworks
9. Experience in development for 3-4 production ready application using C++ as programming language
10. Experience in writing unit test cases including positive and negative test cases
11. Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity)
12. Experience with Agile and DevOps methodology
13. Very good problem-solving skills
14. Experience with Web technologies is a plus. 

Read less

Hands-on experience in Autosar methodologies and workflows.

• Sound understanding of embedded SW development using C on 32/64 bit microcontrollers.

• Experience in at least one of microcontroller architectures: Renesas RH family, Tricore or PowerPC architecture.

• Automotive Product Development Process knowledge (ASpice, ISO26262)

• Experience in one or more of Autosar BSW Modules stacks.

• Autosar based SWcs development in any domain of cluster, ADAS and IVI system.

• Com stack (FlexRay, CAN, LIN, Ethernet) / Memory Stack/ Diagnostic stack/ OS, Wdg, other services.

• Working knowledge on AUTOSAR ECU software architecture

• Understand the various features provided by AUTOSAR BSW modules and configure BSW modules in Davinci Configurator or similar tools

• Understand the AUTOSAR application (SW-C) configuration and the interaction of AUTOSAR applications (SW-C) with the underlying BSW modules

• Understand the functionality of RTE, mapping of application entities with BSW module parameters, OS scheduling concepts, ECU and BSW module state changes

• Understand the AUTOSAR methodology (ECU extract contents, import of ECU extract into configuration tool)

Understand the flow of the AUTOSAR software from application till the underlying driver.

Strong programming (Java, C/C++) and troubleshooting skill

Experience on Android telephony, connectivity framework

RIL 

Familiarity and support of PTCRB/GCF certification process.

Knowledge a cellular test equipment and network IOT

IMS/Volte/SMS over IMS/Video calling and SIP signaling – Desired

Knowledge of QUALCOMM tools, QXDM, QRCT, ER & Analysis of logs.

Preferred - knowledge on 3GPP specs and GSM/GPRS/EGPRS/WCDMA/UMTS/LTE/TD-SCDMA standards

Relevant experience: 2-3 years

Responsibilities:

1. Should be good at, C, C++, Linux driver development
2. Should have worked in protocol like i2S, SPI, i2C. rf, 6lowpan, Tcp / Ip stack etc..
3. Experience in porting MbedOS , FreeRTOS to different boards is good.
4. Analyzing and enhancing efficiency, stability and scalability of system resources
5. Design, develop, code, test and debug system software
6. Provide post production support
7. Interface with hardware design and development

Requirements:

1. Proven working experience in software engineering
2. Experience in hands-on development and troubleshooting on embedded targets
3. Solid programming experience in C or C++
4. Adequate knowledge of reading schematics and data sheets for components
5. Strong documentation and writing skills

Note: Self-motivated, goal oriented and good analytical skills.