Senior Application Security Engineer

Deimos

Senior Application Security Engineer focusing on secure coding practices while collaborating with product teams at Deimos. Empowering developers with tools and frameworks to enhance security in software development.

Posted 5/20/2026full-timeRemote • 🇳🇬 NigeriaSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudGoJavaPythonTerraform

About the role

Key responsibilities & impact

Defining the security standard for our product-team deployments and applications.
Integrating and optimising security tools (SAST, SCA, Secret Detection) into developer workflows.
Working with product teams to architect and build secure frameworks and patterns, reducing their future cognitive load.
Automating remediation for common security issues across environments.
Designing and deploying AI/LLM models and tooling for security-focused change reviews.
Driving developer engagement with security through initiatives like Security Champions programmes, workshops, lunch-and-learns, and the security health score initiative.
Collaborating with product teams on threat modelling and translating compliance requirements (ISO 27001, SOC 2) into clear technical specs.
Hardening CI/CD pipelines and ensuring actionable, relevant security checks.
Working with Security Operations Engineers to automate security incident triage, removing noise to prioritise high-signal alerting.

Requirements

What you’ll need

Bachelor's degree in Computer Science or a related Software Engineering field, or equivalent practical experience.
A minimum of 5 years of experience in Software Engineering or DevOps, with at least 3 of those years specifically focused on application security.
Strong communication skills to translate technical vulnerabilities into business and engineering impact.
Experience with cloud security (AWS) and Infrastructure as Code (Terraform/CloudFormation).
Proficient in architecting and developing secure applications (preferably in Java).
Proficient in scripting (Python, Bash, Go) for automation of security tasks.
Deep understanding of CI/CD systems and embedding security checks without slowing delivery.
Proven ability to independently define security standards, drive adoption across engineering teams, and manage a Security Champions programme.
Advantageous: AppSec fundamentals (OWASP Top 10, dependency management, OAuth2/OIDC), experience with SonarQube and CrowdStrike.

Benefits

Comp & perks

Flexibility and the freedom to work remotely.
Work-life balance where you are not expected to work over weekends or after hours.
A forward thinking remote company that knows how important it is to stay connected as one team, by providing virtual social platforms for employee engagement.
A monthly work from home allowance which you can use to set yourself up to work comfortably from home.
A MacBook or Windows laptop for you to do your best work on.
Become part of a team of exceptionally clever and talented people who like to share their knowledge and learnings.
We support your career growth and love to celebrate your successes and advancement!

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Hard Skills & Tools

application securitycloud securityInfrastructure as Codesecure application developmentscriptingCI/CD systemssecurity standardssecurity automationAI/LLM modelsthreat modelling

Soft Skills

strong communication skillscollaborationindependent decision-makingdeveloper engagementprogram management

Certifications

Bachelor's degree in Computer ScienceISO 27001SOC 2