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Engineering & Development
Full-time
November 5, 2026

Software Engineer - Java and C++ (contract outside of IR35)

๐ŸŒ Remoteโฐ Full-time๐Ÿ“… Apply by May 4, 2027
๐Ÿ’ป Engineering & DevelopmentFull-time
TwinStream ยท Direct from employer
Remote
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TwinStream is hiring a

Software Engineer - Java and C++ (contract outside of IR35)

Description

About Us 

In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations. 

TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients. 

Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients, hybrid and remotely from home. 

Details:  

3-month (rolling) contract outside of IR35

Rate: ยฃ500 - ยฃ600 per day 

Location: Remote

Security: BPSS

About the role:  

TwinStream software engineers (Java) develop components of a cross-domain security system within an agile development team. They are involved in the entire software development lifecycle, which includes understanding the need for change, software design, coding, testing, delivery, and support. A TwinStream software engineer is not just a coder; they comprehend the business and domain challenges and utilize their technical skills to address those issues.  

 

Responsibilities: 

  • Understand high-level requirements and collaborate to find solutions    
  • Investigate technologies to gain a deep understanding of their applicability   
  • Develop high-quality code   
  • Problem-solving deeply technical issues   
  • Build tests at all stages of development from, unit tests to acceptance & performance tests   
  • Build deployment code and pipelines, consulting with DevOps specialists   
  • Analyse and resolve issues from 3rd line support   
  • Collaborate in code development and review colleaguesโ€™ work   
  • Participate in indicative estimating & planning  
  • Any other reasonable duties relevant to skills and experience. 

  

Key Skills  

  • Experience in developing software using our core and/or related technologies    
  • An agile development mindset   
  • Experience in agile working practices including  
  • TDD   
  • BDD   
  • Continuous delivery    
  • DevOps  
  • Pair programming 
  • Estimating & Planning   
  • Open, honest & positive attitude  

  

Core Technologies  

Java is the primary development language. Some exposure to other languages is useful, including Python, JavaScript, Golang, Bash Scripting, although these languages are used only occasionally.   

The following technologies are used extensively in our solutions:   

  • Java and C++
  • Spring Boot   
  • AWS โ€“ S3, Fargate, Lambda, SQS / SNS   
  • RDBMS (Postgres, Oracle) & JPA   
  • Mongo DB 
  • DynamoDB   
  • REST   
  • Rabbit MQ   
  • Docker   
  • Linux   
  • Terraform   
  • Ansible   
  • Jenkins   
  • GIT/Bitbucket 
  • GitLab   
  • Kubernetes    

  

Desirable Skills  

  • OpenShift    
  • Docker Compose/Swarm   
  • Terraform   
  • Ansible 
  • C++

Diversity & Inclusion 

Weโ€™re committed to building a diverse and inclusive workplace. We welcome applications from people of all backgrounds, experiences, and identities. 

If you need any adjustments during the recruitment process, please let us know. Weโ€™re here to support you 

Further Information: 

Due to the nature of the work and the sectors we support, any offer of employment will be subject to the successful completion of the relevant security screening and clearance process.

This role requires eligibility for [BPSS / SC / DV] clearance. As part of the vetting process, candidates must meet the UK Government's residency and right-to-work requirements associated with the required level of clearance.


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Questions about this role

Where can I work from for this Software Engineer - Java and C++ (contract outside of IR35) role?

TwinStream lists the location as "Remote". If your country is not named, check the job description for eligibility rules before applying.

Is this a fully remote job?

Yes. Every role on Euro Remote Talent is remote. This one is full-time, for candidates based in .

What does this role pay?

TwinStream has not published a salary for this role. Ask about the range in your first conversation; our salary calculator helps you set expectations.

How do I apply to TwinStream?

Click Apply now. Create an account if you don't have one, or log in to your account, then apply to the job. Applications close on May 4, 2027.

TwinStream

Cybersecurity, Cloud Security

Apply now

About TwinStream

TwinStream develops scalable, resilient systems that solve cross-domain problems using cloud and hardware security technology.

The company implements National Cyber Security Centre patterns for secure data import and export, protecting clients' systems and sensitive data.

TwinStream offers concept definition and strategy development, cross-domain solution implementation, and service management and innovation.

๐Ÿญ Industry
Cybersecurity, Cloud Security
All jobs at TwinStream โ†’
Job summary
  • TypeFull-time
  • LocationRemote
  • CategoryEngineering & Development
  • PostedNovember 5, 2026
  • DeadlineMay 4, 2027
About the company

TwinStream develops scalable, resilient systems that solve cross-domain problems using cloud and hardware security technology. The company implements National Cyber Security Centre patterns for secure data import and export, protecting clients' systems and sensitive data. TwinStream offers concept definition and strategy development, cross-domain solution implementation, and service management and innovation.

TwinStream

Software Engineer - Java and C++ (contract outside of IR35)

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November 5, 2026
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