Rowden on cord

Rowden

RF Engineering

External position
Bristol, UK
Hiring internally for Rowden?
Engineering · Security
Building the UK’s next generation engineering powerhouse, providing critical technology for national resilience.
Posted
a month ago
Checked
cord regularly checks that external positions are still open
23 hours ago

Skills & Experience

Job roles: Embedded Developer
Experience level: Mid, Senior
Core skills considered: Python, C#, VHDL
Other skills considered: Embedded, Agile

Logistics

Base salary: Undisclosed
Some companies on cord are unable to disclose salaries publicly due to internal company policies. Message the company for salary information.
Employment type: Permanent
Remote working: Hybrid (up to 2 remote days p/w)
Visa sponsorship: Not available

Job Description

Due to increased demand, we're building a pipeline for talented and inquisitive engineers with experience across the RF domain - from communications and sensing to digital signal processing and hardware design.

If you have experience in one or more of the areas below and are motivated by solving challenging technical problems that directly support UK and allied missions, we'd love to hear from you.

You'll work alongside a multidisciplinary team of engineers, covering RF, electronics, software, systems, DevOps, and networks, contributing to a hands-on, fast-paced engineering culture that values impact, curiosity, and collaboration.


Areas of Interest

  • Communication and Electronic Warfare (EW) System Design: Designing and developing RF systems for communication, sensing, and countermeasure applications. This includes understanding system-level architectures, link budgets, and the practical considerations that influence real-world deployment. Experience with modern and legacy RF communication systems, direction finding, or spectrum management is valuable.
  • Digital Signal Processing (DSP): Developing and implementing algorithms for signal detection, classification, and identification. This could include modulation and demodulation techniques, adaptive filtering, spectral estimation, or feature extraction from complex RF environments. Experience translating theoretical DSP approaches into real-time embedded or SDR implementations is especially welcome.
  • RF Hardware Design: Designing RF subsystems and PCBs from concept through to prototype and validation, covering HF through to SHF bands. This may include low-noise amplifiers, mixers, filters, ADC/DAC integration, and mixed-signal design considerations. Applicants who enjoy bridging the gap between hardware and software, particularly where system performance is driven by RF integrity, will thrive here.
  • Software Defined Radio (SDR) Design and Implementation: Working across hardware and software layers to develop flexible and reconfigurable RF systems. This includes experience with SDR frameworks, custom waveform implementations, driver integration, and performance tuning for real-time operation. Familiarity with platforms such as USRP, BladeRF, or bespoke SDR architectures is advantageous.
  • FPGA Development for High-Speed Processing: Implementing and optimising FPGA-based signal processing pipelines operating > 100 MSPS. This might include high-throughput filtering, FFTs, digital up/down conversion, or modulation/demodulation. Experience with VHDL, Verilog, or high-level synthesis tools for DSP acceleration will be valuable.
  • RF System Simulation and Modelling: Building and validating models that capture waveform behaviour, physical-layer effects, and propagation characteristics under realistic operational conditions. This includes exploring channel models, interference and jamming effects, and time-varying propagation. Experience developing or using simulation tools to assess performance before hardware testing is highly valued.
  • Automated Testing and Validation: Designing and developing automated frameworks to evaluate RF subsystems and systems. This could include test scripting, signal generation and capture automation, regression testing, or hardware-in-the-loop (HIL) setups. Applicants with experience in creating repeatable, data-driven test environments that accelerate validation and characterisation will be well suited.
  • Wireless Communications and Waveform Development: Designing and implementing new or adapted waveforms and communication schemes for constrained, contested, or covert environments. This might include modulation design, protocol development, or adaptive control of transmission parameters to optimise performance in dynamic RF conditions.

Who We're Looking For

  • Are hands-on problem solvers with a solid grasp of RF engineering fundamentals.
  • Have experience with tools and languages such as Python, C/C++, Rust or HDL (VHDL/Verilog).
  • Thrive in technically challenging environments and enjoy learning new skills.
  • Are outcome-focused and pragmatic, balancing precision with pace.
  • Enjoy collaboration and can communicate technical ideas clearly.

Experience in defence, aerospace, or secure communications sectors is valuable but not required. Curiosity, motivation, and willingness to engage in complex RF problem-solving are what matter most.

RF Engineering at Rowden
Position posted a month ago

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Starling Bank on cord

Starling Bank

Full Stack Engineer (ML Ops)

London, UK
FinTech · Banking · Finance
A better bank for everyone
Active
over 6 months ago
Responds to
0% of requests
Responds in
1h 55m
Requests
7 pending

Skills & Experience

Job roles: Full Stack
Experience level: Mid, Senior
Core skills considered: Java, React, Redux, AWS, JavaScript

Logistics

Base salary: £70K - £110K
Employment type: Permanent
Remote working: Hybrid (up to 2 remote days p/w)
Visa sponsorship: Not available

Job Description

Starling is the UK’s first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. All at the tap of a phone, all the time.

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.

We’re a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We’re a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices.

Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together!

The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best possible results for our customers. Our purpose is underpinned by five Starling values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.

Hybrid Working

We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. We don't like to mandate how much you visit the office and work from home, that's to be agreed upon between you and your manager.

Our Data Environment

Our Data teams are excited about the value of data within the business, powers our product decisions to improve things for our customers and enhance effective and agile decision making, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech.

We are looking for talented data professionals at all levels to join the team. We value people being engaged and caring about customers, caring about the code they write and the contribution they make to Starling. People with a broad ability to apply themselves to a multitude of problems and challenges, who can work across teams do great things here at Starling, to continue changing banking for good.

Requirements

We have built our entire banking platform in house and mostly in Java. We are looking for people who want to work on building the tooling that is used by our engineers on a daily basis.

We are looking for people who are truly full stack, and are as comfortable polishing their javascript front end as they are debugging the innards of their java applications database interactions, or standing up infrastructure with terraform. We are looking for people who can:

  • Design REST apis.
  • Code backend services, ideally using Java, or another other server side compiled language.
  • Develop modern front ends, ideally using React and Redux.
  • Get their code into the cloud and support it there, ideally on AWS.
  • Believe in clean coding, simple solutions, automated testing and continuous deployment.
  • Like to take ownership of a feature from the original idea through to live.
  • Think (like us) that a small number of empowered developers is the right way to deliver software.

Company Benefits

  • 33 days holiday (including flexible bank holidays)
  • An extra day’s holiday for your birthday
  • 16 hours paid volunteering time a year
  • Part-time and/or flexible hours available for most roles
  • Salary sacrifice, company enhanced pension scheme
  • Life insurance at 4x your salary
  • Hybrid/remote working
  • Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton
  • Generous family-friendly policies
  • Varied social groups set up and run by our employees
  • Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks
  • Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing

Full details are available on our careers site

Interview Process

Interviewing is a two way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team:

  • Stage 1 - 30 mins with one of the team
  • Stage 2 - Take home challenge
  • Stage 3 - 90 mins technical interview with two team members
  • Stage 3 - 45 min final with an executive and a member of the people team
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