Find your next startup role

Every open role at the venture-backed UK startups we track. Apply goes straight to the company.

94 open rolesBacked by ETF Partners

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Growth Associate - Product Marketing
Modo Energy, New York
Licensed to sponsor visas
Salary not listed9 Jul 2026Apply
Quality & Product Assurance (QPA) Intern
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed6 Jul 2026Apply
Software Engineer - On Board Processing
Open Cosmos, Harwell, UK (hybrid)
Raised a round in September
Salary not listed1 Jul 2026Apply
Senior Compiler Engineer - Systems Team
Riverlane, Cambridge, UK
Licensed to sponsor visas
Salary not listed11 Jun 2026Apply
Quantum Scientist - Applied QEC
Riverlane, Boston, MA, US
Licensed to sponsor visas
Salary not listed10 Jun 2026Apply
Quality & Product Assurance Manager
Open Cosmos, Barcelona, Spain
Raised a round in September
Salary not listed5 Jun 2026Apply
Senior FPGA Engineer - Systems Team
Riverlane, Cambridge, UK
Licensed to sponsor visas
Salary not listed5 Jun 2026Apply
Senior Embedded Software Engineer - Systems Team
Riverlane, Boston, MA, US
Licensed to sponsor visas
Salary not listed5 Jun 2026Apply
Quantum Error Correction Researcher (qLDPC)
Riverlane, Cambridge, UK
Licensed to sponsor visas
Salary not listed29 May 2026Apply
AIT Engineer
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed22 May 2026Apply
AIT Technician
Open Cosmos, Coimbra, Portugal
Raised a round in September
Salary not listed22 May 2026Apply
AIT Technician
Open Cosmos, Athens, Greece
Raised a round in September
Salary not listed22 May 2026Apply
Embedded Systems Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Systems Engineer
Open Cosmos, Athens, Greece; Barcelona, Spain; Porto, Portugal; Coimbra, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Air Interface Architect
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
System Performance & Modelling Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Network Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed6 May 2026Apply
Senior Mission Manager
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Thermal Systems Engineer
Open Cosmos, Harwell, UK (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Site Reliability Engineer (DataCosmos)
Open Cosmos, Harwell, UK; Barcelona, Spain; Athens, Greece; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed28 Apr 2026Apply
Senior Mission Concept Engineer
Open Cosmos, Athens, Greece (hybrid)
Raised a round in September
Salary not listed22 Apr 2026Apply
Customer Support Specialist (DataCosmos)
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Porto, Portugal (hybrid)
Raised a round in September
Salary not listed15 Apr 2026Apply
Senior Spectrum Systems Engineer
Open Cosmos, Harwell, UK; Athens, Greece; Barcelona, Spain; Open Cosmos Balears (Mallorca); Porto, Portugal; Tenerife (hybrid)
Raised a round in September
Salary not listed17 Mar 2026Apply
Junior Legal Counsel
Open Cosmos, Harwell, UK; Barcelona, Spain (hybrid)
Raised a round in September
Salary not listed9 Mar 2026Apply
Compiler Engineer
Riverlane, Cambridge, UK
Licensed to sponsor visas
Salary not listed17 Feb 2026Apply