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

TwinStream · Remote · Location not stated

Location not statedExperience not statedPublished 5 November 2026Looks fresh

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First recorded by Psst: 6 November 2026. Sign in with Google to continue to the employer. A free account is enough.

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The 20-second read

Experience
Experience not stated
Where you can live
Location not stated
Skills and tools
oracle, python, javascript, java, golang, aws

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Job details

Where you can work
Location not stated
Employment type
Not stated by the employer
Advertised pay
Not stated by the employer
Experience
Experience not stated
Employer publication date
5 November 2026
First recorded by Psst
6 November 2026
Last checked at the source
7 November 2026

About the job

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: £500 - £600 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 colleagues’ 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 – 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

We’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. We’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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