Software Development Engineer, Consensus and Distributed Locking Systems, Transactional Services

Software Development Engineer, Consensus and Distributed Locking Systems, Transactional ServicesJob ID: | Amazon.com Services LLCJoin the team that powers distributed consensus across AWS. We build and maintain the systems that enable distributed consensus for locks, leader election, group membership and work distribution across AWS. Our distributed computing primitives are part of the critical building blocks behind services like S3, DynamoDB, CloudWatch, and more.This role offers a unique opportunity to solve complex distributed systems challenges that impact services across AWS. We are looking for engineers who thrive on technical challenges and are passionate about building highly available, durable systems with minimal dependencies. You will collaborate with talented peers to design and implement robust solutions, make critical architectural decisions, and ensure operational excellence. If you are excited about distributed systems engineering and the opportunity to build and operate systems with impact across AWS services, this role is for you.Key job responsibilitiesYou work with the team to design, build, and operate systems that are stable, highly available, and performant.You solve difficult problems, applying appropriate technologies and architectural patterns.You are proficient in a broad range of design approaches and know when it is appropriate to use them (and when it is not). Your solutions are pragmatic and navigate constraints.You create maintainable software without over-engineering. You make appropriate trade‑offs, re‑use where possible, and are judicious about introducing dependencies.You focus on operational excellence, understanding how decisions impact operational costs, and take on projects that make software easier to maintain.A day in the lifeDesigning and driving technical decisions that balance competing priorities and constraints.Implementing changes at a high quality while meeting stringent requirements for availability, durability, and performance.Creating and implementing automation that improves system reliability and operational efficiency.Working closely with dependent teams to enhance system capabilities and resolve technical challenges.Driving investigations to root cause anomalies and delivering robust solutions.About the teamWe are a team that believes in focused execution and collaboration. We concentrate our collective energy on 1–2 key initiatives, allowing us to deliver high‑quality results through teamwork. Learning is central to our team’s operation—we’re constantly sharing knowledge and growing together with technical deep‑dives and demos. We love good debates that evaluate multiple perspectives and approaches to arrive at thoughtful decisions on critical questions.Operational excellence isn’t just a goal—it’s a critical requirement in our work. We strive for continuous improvement, believing that this pursuit strengthens both our systems and our engineering skills.Basic Qualifications3+ years of non‑internship professional software development experience.2+ years of non‑internship design or architecture (design patterns, reliability, and scaling) of new and existing systems.Experience programming with at least one software programming language.Preferred Qualifications3+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.Bachelor’s degree in computer science or equivalent.Knowledge of distributed computing environments.Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $129,300/year in our lowest geographic market up to $223,600/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job‑related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign‑on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and/or other benefits. For more information, please visit This position will remain posted until filled. Applicants should apply via our internal or external career site.Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.#J-18808-Ljbffr