Software Engineer – Java, C++

TwinStream

. Develop components of a cross-domain security system within an agile development team .

Posted 11/5/2026contractRemote • United KingdomMid-LevelSenior💰 £500 - £600 per dayWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software development using Java and related technologies, with a strong focus on agile methodologies, TDD, and BDD. Proficient in building deployment pipelines and collaborating within cross-functional teams to deliver high-quality code and resolve technical issues.

Highest-signal resume keywords

Java DevelopmentAgile MethodologiesTest-Driven Development (TDD)Continuous DeliveryDevOps Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentSpring BootRESTRDBMS (Postgres, Oracle)MongoDBDynamoDBDockerKubernetesTerraformAnsible

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

AWS (S3, Fargate, Lambda, SQS/SNS)JenkinsGit/BitbucketGitLabLinuxRabbitMQ

Certifications & Qualifications

BPSS Clearance Eligibility

Industry Keywords

Cross-Domain SecuritySoftware Development LifecyclePair ProgrammingContinuous IntegrationThird-Line Support

Tech Stack

Tools & technologies

AnsibleAWSDockerDynamoDBJavaJavaScriptJenkinsKubernetesLinuxMongoDBOraclePostgresPythonRabbitMQRDBMSSpringSpring BootSpringBootTerraformC++Go

About the role

Key responsibilities & impact

Develop components of a cross-domain security system within an agile development team
Participate in the entire software development lifecycle, including understanding the need for change, software design, coding, testing, delivery, and support
Understand high-level requirements and collaborate to find solutions
Investigate technologies and assess their applicability
Develop high-quality code
Solve deeply technical issues
Build unit, acceptance, and performance tests
Build deployment code and pipelines in consultation with DevOps specialists
Analyse and resolve third-line support issues
Collaborate on code development and review colleagues’ work
Participate in indicative estimating and planning
Perform other reasonable duties relevant to skills and experience

Requirements

What you’ll need

Experience developing software using core and/or related technologies
Experience with agile working practices
Experience with TDD
Experience with BDD
Experience with continuous delivery
Experience with DevOps
Experience with pair programming
Experience with estimating and planning
Java as the primary development language
Experience or exposure to C++
Familiarity with Python, JavaScript, Golang, or Bash scripting is useful
Experience with Spring Boot
Experience with AWS services including S3, Fargate, Lambda, and SQS/SNS
Experience with RDBMS such as Postgres or Oracle and JPA
Experience with MongoDB
Experience with DynamoDB
Experience with REST
Experience with RabbitMQ
Experience with Docker
Experience with Linux
Experience with Terraform
Experience with Ansible
Experience with Jenkins
Experience with Git/Bitbucket
Experience with GitLab
Experience with Kubernetes
BPSS clearance eligibility
Must meet UK Government residency and right-to-work requirements associated with the required clearance level

Benefits

Comp & perks

3-month rolling contract outside of IR35
Remote work arrangement
Opportunity to work on complex cross-domain security systems
Agile development environment
Support for adjustments during the recruitment process