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Haystack

Haystack

Empowering the future of smart buildings with advanced technology.

📍 Newcastle upon Tyne, England

14 Open Positions
2 Active Locations
Posted
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About Haystack

Haystack develops software solutions for smart building automation, focusing on data management and interoperability. Its products streamline the integration of various building systems, enhancing energy efficiency and operational performance. The engineering team specializes in embedded software, firmware development, and GPU programming, addressing challenges in real-time data processing and system integration. With a diverse range of roles, Haystack fosters a collaborative environment where engineers work on cutting-edge technologies to optimize building operations.

Current Job Openings

14 jobs

All Haystack Job Openings

  • Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Birmingham, United Kingdom 🇬🇧
    📊 entry-level
    ⏱︎ full-time
    C++ Python ESP32
  • Haystack logo

    Senior Hardware Engineer

    @ Haystack

    📍Oklahoma City, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    hardware integration validation
  • Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Boston, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    C++ Rust OS
  • Haystack logo

    Senior Hardware Engineer

    @ Haystack

    📍Greater Seattle Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    CAD SolidWorks Robotics
  • Haystack logo

    Hardware Engineer hot job

    @ Haystack

    📍Greater Seattle Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    robotics CAD automation
  • Haystack logo

    Electronics Engineer

    @ Haystack

    📍Milwaukee, WI, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C C++ Python
  • Haystack logo

    Embedded Systems Engineer

    @ Haystack

    📍Milwaukee, WI, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    embedded PCB microcontrollers
  • Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Brighton, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    embedded C STM32
  • Haystack logo

    Embedded Systems Engineer

    @ Haystack

    📍Milwaukee, WI, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    embedded PCB microcontrollers
  • Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    embedded C STM32
  • Haystack logo

    Senior Hardware Engineer

    @ Haystack

    📍Seattle, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    mechanical integration design
  • Haystack logo

    Hardware Engineer

    @ Haystack

    📍Greater Seattle Area, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    mechanical integration manufacturing
  • Haystack logo

    Embedded Software Test Engineer

    @ Haystack

    📍Huntsville, AL, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Python Automation Testing
  • Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    embedded C STM32
    • Previously posted positions that may provide insight into Haystack's hiring patterns
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍Greater Seattle Area, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    mechanical design DFMEA
    View details
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍Seattle, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    mechanical robotics design
    View details
  • Expired
    Haystack logo

    Head of Firmware Development

    @ Haystack

    📍Stuttgart, Germany 🇩🇪
    📊 senior
    ⏱︎ full-time
    firmware RTOS Agile
    View details
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍Seattle, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    CAD EMI harnessing
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍San Diego, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    DSP ARM RISC-V
    View details
  • Expired
    Haystack logo

    Senior Embedded Software Engineer

    @ Haystack

    📍Tucson, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C++ RTOS FPGA
    View details
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍Seattle, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    CAD wiring harnessing
    View details
  • Expired
    Haystack logo

    Firmware Engineer

    @ Haystack

    📍Stuttgart, Germany 🇩🇪
    📊 senior
    ⏱︎ full-time
    firmware C++ RTOS
    View details
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍Germany, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    hardware PCB simulation
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Germany, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    C++ Linux Python
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer Intern

    @ Haystack

    📍Germany, Germany 🇩🇪
    📊 internship
    ⏱︎ internship
    C++ Python Linux
    View details
  • Expired
    Haystack logo

    Hardware Engineer

    @ Haystack

    📍San Francisco Bay Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    validation PCB power
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍San Diego Metropolitan Area, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    C C++ Python
    View details
  • Expired
    Haystack logo

    Hardware Engineer hot job

    @ Haystack

    📍San Francisco Bay Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Ethernet PCB FPGA
    View details
  • Expired
    Haystack logo

    Hardware Engineer hot job

    @ Haystack

    📍San Francisco Bay Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    PCIe memory storage
    View details
  • Expired
    Haystack logo

    Principal Embedded Software Engineer hot job

    @ Haystack

    📍Tucson, United States 🇺🇸
    📊 principal
    ⏱︎ full-time
    Embedded C++ RTOS
    View details
  • Expired
    Haystack logo

    Senior Principal Embedded Software Engineer hot job

    @ Haystack

    📍Tucson, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Embedded C++ RTOS
    View details
  • Expired
    Haystack logo

    Principal Embedded Software Engineer

    @ Haystack

    📍Tucson, United States 🇺🇸
    📊 principal
    ⏱︎ full-time
    C++ RTOS Linux
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍San Francisco Bay Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C debugging microprocessors
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Greater Seattle Area, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    embedded C++ I2C
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ contract
    C++ Linux Yocto
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    C/C++ RTOS Linux
    View details
  • Expired
    Haystack logo

    Firmware Engineer

    @ Haystack

    📍Tuttlingen, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    C C++ FPGA
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Greater Boston, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    Embedded C++ firmware
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍San Francisco Bay Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C debugging microprocessor
    View details
  • Expired
    Haystack logo

    Embedded Linux Software Engineer hot job

    @ Haystack

    📍Cambridgeshire, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    Linux ARM C
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Greater Boston, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    C++ C# ARM
    View details
  • Expired
    Haystack logo

    Senior Embedded Software Engineer hot job

    @ Haystack

    📍Royston, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    C C++ ARM
    View details
  • Expired
    Haystack logo

    Senior Embedded Software Engineer

    @ Haystack

    📍St Ives, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    C++ Bare-Metal RTOS
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Leicester, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    EmbeddedC Linux CANbus
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    C C++ BLE
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Manchester, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    STM32 C firmware
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Newhall, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    ARM Modbus CAN
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Andover, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    C C# RTOS
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Altenberge, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    C/C++ RTOS mechatronics
    View details
  • Expired
    Haystack logo

    SOC Engineer

    @ Haystack

    📍England, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    SIEM Sentinel Splunk
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Leeds, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    Embedded C RTOS
    View details
  • Expired
    Haystack logo

    Senior Robotics Software Engineer hot job

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    Robotics C++ Python
    View details
  • Expired
    Haystack logo

    FPGA Design Engineer

    @ Haystack

    📍London, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    FPGA VHDL DSP
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Brighton, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    EmbeddedC C++ FreeRTOS
    View details
  • Expired
    Haystack logo

    Senior Embedded Software Engineer

    @ Haystack

    📍East Riding Of Yorkshire, United Kingdom 🇬🇧
    📊 senior
    ⏱︎ full-time
    Embedded C++ RTOS
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Bremen, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    C++ RTOS Linux
    View details
  • Expired
    Haystack logo

    GPU Software Engineer hot job

    @ Haystack

    📍Washington DC-Baltimore Area, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C++ CUDA Linux
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍New York City Metropolitan Area, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    C++ C RTOS
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Greater Cleveland, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    C++ RTOS Linux
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Cleveland, OH, United States 🇺🇸
    📊 mid-level
    ⏱︎ full-time
    C++ RTOS Linux
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Schleswig-Holstein, Germany 🇩🇪
    📊 mid-level
    ⏱︎ full-time
    C++ AI Machine Learning
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Cleveland, OH, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Linux C++ Python
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍Greater Cleveland, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Linux C++ Python
    View details
  • Expired
    Haystack logo

    Firmware Engineer hot job

    @ Haystack

    📍United States, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    C/C++ FPGA SoC
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer

    @ Haystack

    📍United States, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Linux C++ Python
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍Redmond, United States 🇺🇸
    📊 senior
    ⏱︎ full-time
    Embedded Linux Rust
    View details
  • Expired
    Haystack logo

    Embedded Software Engineer hot job

    @ Haystack

    📍United Kingdom, United Kingdom 🇬🇧
    📊 mid-level
    ⏱︎ full-time
    C PCB Python
    View details
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Company Info
Employees 51-200
Founded 2021
Glassdoor 4.2
Connect
Active Hiring Locations
📍 Greater Seattle Area, United States 🇺🇸 3
📍 Milwaukee, WI, United States 🇺🇸 3
📍 London, United Kingdom 🇬🇧 2
📍 Birmingham, United Kingdom 🇬🇧 1
📍 Oklahoma City, United States 🇺🇸 1
Top Roles
Embedded Software Engineer (6) Hardware Engineer (5) Embedded Systems Engineer (3)
Key Skills
C++ RTOS C Linux Python firmware Git ARM
Seniority Levels
senior (8) mid-level (5) entry-level (1)
Work Arrangement
On-site (14)
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About Haystack

Haystack develops software solutions for smart building automation, focusing on data management and interoperability. Its products streamline the integration of various building systems, enhancing energy efficiency and operational performance. The engineering team specializes in embedded software, firmware development, and GPU programming, addressing challenges in real-time data processing and system integration. With a diverse range of roles, Haystack fosters a collaborative environment where engineers work on cutting-edge technologies to optimize building operations.

Haystack Career Opportunities

Haystack currently has 14 active embedded systems positions spanning 2 countries. All positions are on-site, typical for hardware-focused roles requiring lab access and equipment. With an employer rating of 65.0/100, Haystack provides solid opportunities for engineers looking to work on specialized embedded systems projects.

Haystack Hiring Trends

* Data represents job posting activity over the past 6 months: Feb 2026 through Jul 2026

Haystack's hiring pace has moderated recently (7 openings this month vs 18 last month), which is common after major hiring pushes or as projects move from development to deployment phases.

Over the past 6 months, Haystack averaged 9.7 job postings per month, with peak hiring in Jun 2026 (18 openings). For embedded systems roles, hiring activity typically correlates with product development cycles, especially for firmware teams during pre-production phases and hardware engineers during prototyping.

Current Month
7 jobs

📉 -61% change

6-Month Average
9.7 jobs/month

Consistent hiring velocity

Peak Activity
18 jobs

Jun 2026

Required Skills at Haystack

C++ is the most in-demand skill at Haystack, appearing in 49% of all job listings (past and present). This skill is important but not universal, indicating diverse technical needs across different product lines or teams.

Haystack's technology stack spans 130 distinct skills and tools, reflecting the multifaceted nature of embedded systems development. The broad technical diversity (130 technologies) suggests work on complex, multi-domain projects requiring both hardware and software expertise.

C++
49% of roles
49%
RTOS
27% of roles
27%
C
24% of roles
24%
Linux
24% of roles
24%
Python
18% of roles
18%
firmware
15% of roles
15%
Git
15% of roles
15%
ARM
12% of roles
12%
embedded
9% of roles
9%
PCB
9% of roles
9%
FPGA
9% of roles
9%
Embedded
9% of roles
9%

Engineers joining Haystack should combine depth in key areas with adaptability. The mix of hardware skills (PCB design, schematics) and firmware expertise (RTOS, embedded C) indicates full-stack embedded development where engineers work across the hardware-software boundary. Candidates with adjacent skills (version control, testing frameworks, communication protocols) typically advance faster by contributing across the development lifecycle.

Engineering Roles at Haystack

Haystack's primary hiring focus is Embedded Software Engineer with 6 open positions. High-volume recruitment for a single role type typically indicates either a growing team building similar capabilities or a newly formed department scaling rapidly.

Multiple openings in the same discipline create advantages for new hires: stronger peer support networks, established onboarding processes, and clearer career progression paths as the team matures. Engineers often find collaborative environments more conducive to professional growth.

Embedded Software Engineer
6 positions (43%)
6
Hardware Engineer
5 positions (36%)
5
Embedded Systems Engineer
3 positions (21%)
3

Experience level distribution: 57% of openings target senior-level engineers. The range across 3 experience levels suggests a well-balanced team structure with opportunities for both experienced engineers and those earlier in their careers.

Where Haystack is Hiring

Haystack operates across 3 countries with 38 total hiring locations. Multi-geography recruitment typically indicates either distributed engineering teams, expansion into new markets, or proximity to manufacturing and customer operations.

London, United Kingdom serves as a primary hiring hub with 10% of all roles (7 positions). Engineering capabilities are distributed relatively evenly across locations, suggesting a genuinely multi-site development model rather than a single headquarters-centric approach.

🇺🇸
Greater Seattle Area, United States
3 active jobs
3
📍
Milwaukee, WI
3 active jobs
3
🇬🇧
London, United Kingdom
2 active jobs
2
🇬🇧
Birmingham, United Kingdom
1 active job
1
🇺🇸
Oklahoma City, United States
1 active job
1
🇺🇸
Boston, United States
1 active job
1
🇬🇧
Brighton, United Kingdom
1 active job
1
🇺🇸
Seattle, United States
1 active job
1
📍
Huntsville, AL
1 active job
1
🇺🇸
San Francisco Bay Area, United States
5 previous jobs
🇺🇸
Tucson, United States
4 previous jobs
🇩🇪
Germany, Germany
3 previous jobs
🇩🇪
Stuttgart, Germany
2 previous jobs

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