Software Development Engineer Middleware

Indosat; Indonesia; On-site; IDR 200.000.000 - 300.000.000; Full time

Job summary

A leading telecommunications provider is seeking a Software Development Engineer Middleware in Indonesia. This position focuses on designing, building, and maintaining high-quality software while collaborating with cross-functional teams. The ideal candidate will have a Bachelor’s degree in Computer Science and 1-5 years of experience in software development, proficient in languages like Java/Kotlin and Python. This role offers opportunities for continued learning and personal development.

Qualifications

• 5 years of experience in software development.
• Hands-on experience with modern programming languages.
• Experience with REST/gRPC APIs and databases.

Responsibilities

• Design and implement features with clean, maintainable code.
• Collaborate with product and design teams.
• Build reliable APIs/services and data models.

Skills

Java/Kotlin

Go

Python

TypeScript

React

Education

Bachelor’s degree in Computer Science or related field

Tools

PostgreSQL/MySQL

Redis

MongoDB

Git

Docker

Kubernetes

Terraform

Prometheus

Grafana

GitHub Actions

GitLab CI

Jenkins

Job description

Software Development Engineer Middleware

Role Overview

The Software Development Engineer designs, builds, and maintains high-quality software that delivers measurable business impact. This role blends deep coding expertise with product thinking and operational ownership: delivering features end-to-end, improving performance and reliability, and collaborating across product, design, and platform teams.

Key Responsibilities

• Design and implement features with clean, maintainable code; write unit, integration, and end-to-end tests aligned to a testing pyramid.
• Collaborate with product and design to refine requirements, define acceptance criteria, and plan iterative delivery with clear milestones.
• Build reliable APIs/services and data models; ensure backward compatibility and clear contracts for consumers.
• Instrument code with logs, metrics, and traces; define SLOs/SLIs; triage and resolve production issues with blameless root-cause analysis.
• Automate workflows (CI/CD pipelines, code quality checks, security scans) and champion continuous delivery practices including canary/blue-green strategies where applicable.
• Maintain high standards for code reviews, documentation, and technical debt management; plan refactors that improve reliability and developer productivity.
• Partner with platform/SRE/security to embed security and compliance by design (secrets management, least privilege, dependency hygiene).

Minimum Qualifications

• Bachelor’s degree in Computer Science or related field. A Master’s degree is a plus.
• Minimum 1-5 years of total experience in software development area.
• Professional experience building production software in one or more languages (e.g., Java/Kotlin, Go, Python, TypeScript).
• Solid grasp of computer science fundamentals: data structures, algorithms, concurrency, and distributed systems basics.
• Experience designing REST/gRPC APIs, working with relational and/or NoSQL databases, and using version control (Git) with modern branching strategies.
• Hands‑on with automated testing and CI; understands build pipelines and artifact management.

Preferred Qualifications

• Cloud-native development on AWS/GCP/Azure; familiarity with containers (Docker) and orchestration (Kubernetes).
• Infrastructure as Code (Terraform/Pulumi) and deployment strategies (canary, blue/green, feature flags).
• Observability tooling (Prometheus, Grafana, OpenTelemetry) and performance tuning for latency/throughput/cost.
• Security‑first mindset: SAST/DAST/SCA integration, secrets management, and least‑privilege IAM design.

Core Competencies

• Ownership: drives features from concept to production and long‑term maintenance; proactively manages risks and trade‑offs.
• Systems thinking: designs with scalability, reliability, and cost in mind; defines clear boundaries and contracts.
• Collaboration: communicates clearly with cross‑functional partners; gives and receives actionable feedback in code reviews.

Skills

• Languages/Frameworks: Java/Kotlin (Spring), Go, Python (FastAPI), TypeScript (Node.js, NestJS/Express), React.
• Data: PostgreSQL/MySQL, Redis, MongoDB, message queues/streams (Kafka, Pub/Sub).
• CI/CD: GitHub Actions, GitLab CI, Jenkins; artifact registries; Argo CD/Flux for GitOps.

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